Class DataSourceProxy

java.lang.Object
org.apache.tomcat.jdbc.pool.DataSourceProxy
All Implemented Interfaces:
PoolConfiguration
Direct Known Subclasses:
DataSource
public class DataSourceProxy extends Object implements PoolConfiguration
The DataSource proxy lets us implements methods that don't exist in the current compiler JDK but might be methods that are part of a future JDK DataSource interface.
It's a trick to work around compiler issues when implementing interfaces. For example, I could put in Java 6 methods of javax.sql.DataSource here, and compile it with JDK 1.5 and still be able to run under Java 6 without getting NoSuchMethodException.

  • Field Details

  • Constructor Details

    • DataSourceProxy

      public DataSourceProxy()

    • DataSourceProxy

      public DataSourceProxy(PoolConfiguration poolProperties)

  • Method Details

    • isWrapperFor

      public boolean isWrapperFor(Class<?> iface) throws SQLException
      Throws:
      SQLException

    • unwrap

      public <T> T unwrap(Class<T> iface) throws SQLException
      Throws:
      SQLException

    • getConnection

      public Connection getConnection(String username, String password) throws SQLException
      Get a database connection. DataSource.getConnection()
      Parameters:
      username - The user name
      password - The password
      Returns:
      the connection
      Throws:
      SQLException - Connection error

    • getPoolProperties

      public PoolConfiguration getPoolProperties()

    • createPool

      public ConnectionPool createPool() throws SQLException
      Sets up the connection pool, by creating a pooling driver.
      Returns:
      the connection pool
      Throws:
      SQLException - Error creating pool

    • getConnection

      public Connection getConnection() throws SQLException
      Get a database connection. DataSource.getConnection()
      Returns:
      the connection
      Throws:
      SQLException - Connection error

    • getConnectionAsync

      public Future<Connection> getConnectionAsync() throws SQLException
      Invokes an sync operation to retrieve the connection.
      Returns:
      a Future containing a reference to the connection when it becomes available
      Throws:
      SQLException - Connection error

    • getXAConnection

      public XAConnection getXAConnection() throws SQLException
      Get a database connection. XADataSource.getXAConnection()
      Returns:
      the connection
      Throws:
      SQLException - Connection error

    • getXAConnection

      public XAConnection getXAConnection(String username, String password) throws SQLException
      Get a database connection. XADataSource.getXAConnection(String, String)
      Parameters:
      username - The user name
      password - The password
      Returns:
      the connection
      Throws:
      SQLException - Connection error

    • getPooledConnection

      public PooledConnection getPooledConnection() throws SQLException
      Get a database connection. DataSource.getConnection()
      Returns:
      the connection
      Throws:
      SQLException - Connection error

    • getPooledConnection

      public PooledConnection getPooledConnection(String username, String password) throws SQLException
      Get a database connection. DataSource.getConnection()
      Parameters:
      username - unused
      password - unused
      Returns:
      the connection
      Throws:
      SQLException - Connection error

    • getPool

      public ConnectionPool getPool()

    • close

      public void close()

    • close

      public void close(boolean all)

    • getPoolSize

      public int getPoolSize()

    • toString

      public String toString()
      Overrides:
      toString in class Object

    • getPoolName

      public String getPoolName()
      Specified by:
      getPoolName in interface PoolConfiguration
      Returns:
      the pool name
      See Also:

    • setPoolProperties

      public void setPoolProperties(PoolConfiguration poolProperties)

    • setDriverClassName

      public void setDriverClassName(String driverClassName)
      Description copied from interface: PoolConfiguration
      The fully qualified Java class name of the JDBC driver to be used. The driver has to be accessible from the same classloader as tomcat-jdbc.jar
      Specified by:
      setDriverClassName in interface PoolConfiguration
      Parameters:
      driverClassName - a fully qualified Java class name of a Driver implementation.

    • setInitialSize

      public void setInitialSize(int initialSize)
      Description copied from interface: PoolConfiguration
      Set the number of connections that will be established when the connection pool is started. Default value is 10. If this value exceeds PoolConfiguration.setMaxActive(int) it will automatically be lowered.
      Specified by:
      setInitialSize in interface PoolConfiguration
      Parameters:
      initialSize - the number of connections to be established.

    • setInitSQL

      public void setInitSQL(String initSQL)
      Description copied from interface: PoolConfiguration
      A custom query to be run when a connection is first created. The default value is null. This query only runs once per connection, and that is when a new connection is established to the database. If this value is non null, it will replace the validation query during connection creation.
      Specified by:
      setInitSQL in interface PoolConfiguration
      Parameters:
      initSQL - the init SQL used to run against the DB or null if no query should be executed

    • setLogAbandoned

      public void setLogAbandoned(boolean logAbandoned)
      Description copied from interface: PoolConfiguration
      boolean flag to set if stack traces should be logged for application code which abandoned a Connection. Logging of abandoned Connections adds overhead for every Connection borrow because a stack trace has to be generated. The default value is false.
      Specified by:
      setLogAbandoned in interface PoolConfiguration
      Parameters:
      logAbandoned - set to true if stack traces should be recorded when getConnection() is called.

    • setMaxActive

      public void setMaxActive(int maxActive)
      Description copied from interface: PoolConfiguration
      The maximum number of active connections that can be allocated from this pool at the same time. The default value is 100
      Specified by:
      setMaxActive in interface PoolConfiguration
      Parameters:
      maxActive - hard limit for number of managed connections by this pool

    • setMaxIdle

      public void setMaxIdle(int maxIdle)
      Description copied from interface: PoolConfiguration
      The maximum number of connections that should be kept in the idle pool if PoolConfiguration.isPoolSweeperEnabled() returns false. If the If PoolConfiguration.isPoolSweeperEnabled() returns true, then the idle pool can grow up to PoolConfiguration.getMaxActive() and will be shrunk according to PoolConfiguration.getMinEvictableIdleTimeMillis() setting. Default value is maxActive:100
      Specified by:
      setMaxIdle in interface PoolConfiguration
      Parameters:
      maxIdle - the maximum size of the idle pool

    • setMaxWait

      public void setMaxWait(int maxWait)
      Description copied from interface: PoolConfiguration
      The maximum number of milliseconds that the pool will wait (when there are no available connections and the PoolConfiguration.getMaxActive() has been reached) for a connection to be returned before throwing an exception. Default value is 30000 (30 seconds)
      Specified by:
      setMaxWait in interface PoolConfiguration
      Parameters:
      maxWait - the maximum number of milliseconds to wait.

    • setMinEvictableIdleTimeMillis

      public void setMinEvictableIdleTimeMillis(int minEvictableIdleTimeMillis)
      Description copied from interface: PoolConfiguration
      The minimum amount of time an object must sit idle in the pool before it is eligible for eviction. The default value is 60000 (60 seconds).
      Specified by:
      setMinEvictableIdleTimeMillis in interface PoolConfiguration
      Parameters:
      minEvictableIdleTimeMillis - the number of milliseconds a connection must be idle to be eligible for eviction.

    • setMinIdle

      public void setMinIdle(int minIdle)
      Description copied from interface: PoolConfiguration
      The minimum number of established connections that should be kept in the pool at all times. The connection pool can shrink below this number if validation queries fail and connections get closed. Default value is derived from PoolConfiguration.getInitialSize() (also see PoolConfiguration.setTestWhileIdle(boolean) The idle pool will not shrink below this value during an eviction run, hence the number of actual connections can be between PoolConfiguration.getMinIdle() and somewhere between PoolConfiguration.getMaxIdle() and PoolConfiguration.getMaxActive()
      Specified by:
      setMinIdle in interface PoolConfiguration
      Parameters:
      minIdle - the minimum number of idle or established connections

    • setNumTestsPerEvictionRun

      public void setNumTestsPerEvictionRun(int numTestsPerEvictionRun)
      Description copied from interface: PoolConfiguration
      Property not used
      Specified by:
      setNumTestsPerEvictionRun in interface PoolConfiguration
      Parameters:
      numTestsPerEvictionRun - parameter ignored.

    • setPassword

      public void setPassword(String password)
      Description copied from interface: PoolConfiguration
      Sets the password to establish the connection with. The password will be included as a database property with the name 'password'.
      Specified by:
      setPassword in interface PoolConfiguration
      Parameters:
      password - The password
      See Also:

    • setRemoveAbandoned

      public void setRemoveAbandoned(boolean removeAbandoned)
      Description copied from interface: PoolConfiguration
      boolean flag to remove abandoned connections if they exceed the removeAbandonedTimeout. If set to true a connection is considered abandoned and eligible for removal if it has been in use longer than the PoolConfiguration.getRemoveAbandonedTimeout() and the condition for PoolConfiguration.getAbandonWhenPercentageFull() is met. Setting this to true can recover db connections from applications that fail to close a connection. See also PoolConfiguration.isLogAbandoned() The default value is false.
      Specified by:
      setRemoveAbandoned in interface PoolConfiguration
      Parameters:
      removeAbandoned - set to true if abandoned connections can be closed and expelled out of the pool

    • setRemoveAbandonedTimeout

      public void setRemoveAbandonedTimeout(int removeAbandonedTimeout)
      Description copied from interface: PoolConfiguration
      The time in seconds before a connection can be considered abandoned. The timer can be reset upon queries using an interceptor.
      Specified by:
      setRemoveAbandonedTimeout in interface PoolConfiguration
      Parameters:
      removeAbandonedTimeout - the time in seconds before a used connection can be considered abandoned
      See Also:

    • setTestOnBorrow

      public void setTestOnBorrow(boolean testOnBorrow)
      Description copied from interface: PoolConfiguration
      The indication of whether objects will be validated before being borrowed from the pool. If the object fails to validate, it will be dropped from the pool, and we will attempt to borrow another. NOTE - for a true value to have any effect, the validationQuery parameter must be set to a non-null string. Default value is false In order to have a more efficient validation, see PoolConfiguration.setValidationInterval(long)
      Specified by:
      setTestOnBorrow in interface PoolConfiguration
      Parameters:
      testOnBorrow - set to true if validation should take place before a connection is handed out to the application
      See Also:

    • setTestOnConnect

      public void setTestOnConnect(boolean testOnConnect)
      Description copied from interface: PoolConfiguration
      Set to true if we should run the validation query when connecting to the database for the first time on a connection. Normally this is always set to false, unless one wants to use the validationQuery as an init query. Setting an PoolConfiguration.setInitSQL(String) will override this setting, as the init SQL will be used instead of the validation query
      Specified by:
      setTestOnConnect in interface PoolConfiguration
      Parameters:
      testOnConnect - set to true if we should run the validation query upon connect

    • setTestOnReturn

      public void setTestOnReturn(boolean testOnReturn)
      Description copied from interface: PoolConfiguration
      The indication of whether objects will be validated after being returned to the pool. If the object fails to validate, it will be dropped from the pool. NOTE - for a true value to have any effect, the validationQuery parameter must be set to a non-null string. Default value is false In order to have a more efficient validation, see PoolConfiguration.setValidationInterval(long)
      Specified by:
      setTestOnReturn in interface PoolConfiguration
      Parameters:
      testOnReturn - true if validation should take place after a connection is returned to the pool
      See Also:

    • setTestWhileIdle

      public void setTestWhileIdle(boolean testWhileIdle)
      Description copied from interface: PoolConfiguration
      Set to true if query validation should take place while the connection is idle.
      Specified by:
      setTestWhileIdle in interface PoolConfiguration
      Parameters:
      testWhileIdle - true if validation should take place during idle checks
      See Also:

    • setTimeBetweenEvictionRunsMillis

      public void setTimeBetweenEvictionRunsMillis(int timeBetweenEvictionRunsMillis)
      Description copied from interface: PoolConfiguration
      The number of milliseconds to sleep between runs of the idle connection validation, abandoned cleaner and idle pool resizing. This value should not be set under 1 second. It dictates how often we check for idle, abandoned connections, and how often we validate idle connection and resize the idle pool. The default value is 5000 (5 seconds)
      Specified by:
      setTimeBetweenEvictionRunsMillis in interface PoolConfiguration
      Parameters:
      timeBetweenEvictionRunsMillis - the sleep time in between validations in milliseconds

    • setUrl

      public void setUrl(String url)
      Description copied from interface: PoolConfiguration
      Sets the URL used to connect to the database
      Specified by:
      setUrl in interface PoolConfiguration
      Parameters:
      url - the configured URL for this connection pool
      See Also:

    • setUsername

      public void setUsername(String username)
      Description copied from interface: PoolConfiguration
      Sets the username used to establish the connection with It will also be a property called 'user' in the database properties.
      Specified by:
      setUsername in interface PoolConfiguration
      Parameters:
      username - The user name
      See Also:

    • setValidationInterval

      public void setValidationInterval(long validationInterval)
      Description copied from interface: PoolConfiguration
      avoid excess validation, only run validation at most at this frequency - time in milliseconds. If a connection is due for validation, but has been validated previously within this interval, it will not be validated again. The default value is 3000 (3 seconds).
      Specified by:
      setValidationInterval in interface PoolConfiguration
      Parameters:
      validationInterval - the validation interval in milliseconds

    • setValidationQuery

      public void setValidationQuery(String validationQuery)
      Description copied from interface: PoolConfiguration
      The SQL query that will be used to validate connections from this pool before returning them to the caller or pool. If specified, this query does not have to return any data, it just can't throw an SQLException. The default value is null. Example values are SELECT 1(mysql), select 1 from dual(oracle), SELECT 1(MS Sql Server)
      Specified by:
      setValidationQuery in interface PoolConfiguration
      Parameters:
      validationQuery - the query used for validation or null if no validation is performed

    • setValidatorClassName

      public void setValidatorClassName(String className)
      Description copied from interface: PoolConfiguration
      Set the name for an optional validator class which will be used in place of test queries. If set to null, standard validation will be used.
      Specified by:
      setValidatorClassName in interface PoolConfiguration
      Parameters:
      className - the name of the optional validator class

    • setValidationQueryTimeout

      public void setValidationQueryTimeout(int validationQueryTimeout)
      Description copied from interface: PoolConfiguration
      The timeout in seconds before a connection validation queries fail. A value less than or equal to zero will disable this feature. Defaults to -1.
      Specified by:
      setValidationQueryTimeout in interface PoolConfiguration
      Parameters:
      validationQueryTimeout - The timeout value

    • setJdbcInterceptors

      public void setJdbcInterceptors(String interceptors)
      Description copied from interface: PoolConfiguration
      A semicolon separated list of classnames extending JdbcInterceptor class. These interceptors will be inserted as an interceptor into the chain of operations on a java.sql.Connection object. Example interceptors are StatementFinalizer to close all used statements during the session. ResetAbandonedTimer resets the timer upon every operation on the connection or a statement. ConnectionState caches the auto commit, read only and catalog settings to avoid round trips to the DB. The default value is null.
      Specified by:
      setJdbcInterceptors in interface PoolConfiguration
      Parameters:
      interceptors - the interceptors that are used for connections. Example format: 'ConnectionState(useEquals=true,fast=yes);ResetAbandonedTimer'

    • setJmxEnabled

      public void setJmxEnabled(boolean enabled)
      Description copied from interface: PoolConfiguration
      If set to true, the connection pool creates a ConnectionPoolMBean object that can be registered with JMX to receive notifications and state about the pool. The ConnectionPool object doesn't register itself, as there is no way to keep a static non changing ObjectName across JVM restarts.
      Specified by:
      setJmxEnabled in interface PoolConfiguration
      Parameters:
      enabled - set to to if the mbean object should be created upon startup.

    • setFairQueue

      public void setFairQueue(boolean fairQueue)
      Description copied from interface: PoolConfiguration
      Set to true if you wish that calls to getConnection should be treated fairly in a true FIFO fashion. This uses the FairBlockingQueue implementation for the list of the idle connections. The default value is true. This flag is required when you want to use asynchronous connection retrieval.
      Specified by:
      setFairQueue in interface PoolConfiguration
      Parameters:
      fairQueue - true to use a fair queue

    • setUseLock

      public void setUseLock(boolean useLock)
      Description copied from interface: PoolConfiguration
      Set to true if a lock should be used when operations are performed on the connection object. Should be set to false unless you plan to have a background thread of your own doing idle and abandon checking such as JMX clients. If the pool sweeper is enabled, then the lock will automatically be used regardless of this setting.
      Specified by:
      setUseLock in interface PoolConfiguration
      Parameters:
      useLock - set to true if a lock should be used on connection operations

    • setDefaultCatalog

      public void setDefaultCatalog(String catalog)
      Description copied from interface: PoolConfiguration
      If non null, during connection creation the method Connection.setCatalog(String) will be called with the set value.
      Specified by:
      setDefaultCatalog in interface PoolConfiguration
      Parameters:
      catalog - null if not set and accepting the driver default.

    • setDefaultAutoCommit

      public void setDefaultAutoCommit(Boolean autocommit)
      Description copied from interface: PoolConfiguration
      The default auto-commit state of connections created by this pool. If not set (null), default is JDBC driver default (If set to null then the Connection.setAutoCommit(boolean) method will not be called.)
      Specified by:
      setDefaultAutoCommit in interface PoolConfiguration
      Parameters:
      autocommit - default auto commit setting, null is Driver default.

    • setDefaultTransactionIsolation

      public void setDefaultTransactionIsolation(int defaultTransactionIsolation)
      Description copied from interface: PoolConfiguration
      If set to DataSourceFactory.UNKNOWN_TRANSACTIONISOLATION the method Connection.setTransactionIsolation(int) will not be called during connection creation. Otherwise the method will be called with the isolation level set by this property.
      Specified by:
      setDefaultTransactionIsolation in interface PoolConfiguration
      Parameters:
      defaultTransactionIsolation - a value of Connection.TRANSACTION_NONE, Connection.TRANSACTION_READ_COMMITTED, Connection.TRANSACTION_READ_UNCOMMITTED, Connection.TRANSACTION_REPEATABLE_READ, Connection.TRANSACTION_SERIALIZABLE or DataSourceFactory.UNKNOWN_TRANSACTIONISOLATION The last value will not be set on the connection.

    • setConnectionProperties

      public void setConnectionProperties(String properties)
      Description copied from interface: PoolConfiguration
      The properties that will be passed into Driver.connect(String, Properties) method. Username and password do not need to be stored here, they will be passed into the properties right before the connection is established.
      Specified by:
      setConnectionProperties in interface PoolConfiguration
      Parameters:
      properties - properties - Format of the string is [propertyName=property;]* Example: prop1=value1;prop2=value2

    • setUseEquals

      public void setUseEquals(boolean useEquals)
      Description copied from interface: PoolConfiguration
      Set to true if you wish the ProxyConnection class to use String.equals instead of == when comparing method names. This property does not apply to added interceptors as those are configured individually. The default value is false.
      Specified by:
      setUseEquals in interface PoolConfiguration
      Parameters:
      useEquals - set to true if the pool should use String.equals(Object) instead of == when comparing method names on Connection methods

    • getParentLogger

      public Logger getParentLogger() throws SQLFeatureNotSupportedException
      no-op CommonDataSource.getParentLogger()
      Returns:
      no return value
      Throws:
      SQLFeatureNotSupportedException - Unsupported

    • getLogWriter

      public PrintWriter getLogWriter() throws SQLException
      no-op DataSource.getLogWriter()
      Returns:
      null
      Throws:
      SQLException - No exception

    • setLogWriter

      public void setLogWriter(PrintWriter out) throws SQLException
      no-op DataSource.setLogWriter(PrintWriter)
      Parameters:
      out - Ignored
      Throws:
      SQLException - No exception

    • getLoginTimeout

      public int getLoginTimeout()
      no-op DataSource.getLoginTimeout()
      Returns:
      the timeout

    • setLoginTimeout

      public void setLoginTimeout(int i)
      DataSource.setLoginTimeout(int)
      Parameters:
      i - The timeout value

    • getSuspectTimeout

      public int getSuspectTimeout()
      Description copied from interface: PoolConfiguration
      Returns the time in seconds to pass before a connection is marked an abandoned suspect. Any value lesser than or equal to 0 means the check is disabled.
      Specified by:
      getSuspectTimeout in interface PoolConfiguration
      Returns:
      Returns the time in seconds to pass before a connection is marked an abandoned suspect.

    • setSuspectTimeout

      public void setSuspectTimeout(int seconds)
      Description copied from interface: PoolConfiguration
      Similar to PoolConfiguration.setRemoveAbandonedTimeout(int) but instead of treating the connection as abandoned, and potentially closing the connection, this simply logs the warning if PoolConfiguration.isLogAbandoned() returns true. If this value is equal or less than 0, no suspect checking will be performed. Suspect checking only takes place if the timeout value is larger than 0 and the connection was not abandoned or if abandon check is disabled. If a connection is suspect a WARN message gets logged and a JMX notification gets sent once.
      Specified by:
      setSuspectTimeout in interface PoolConfiguration
      Parameters:
      seconds - - the amount of time in seconds that has to pass before a connection is marked suspect.

    • getIdle

      public int getIdle()
      If the pool has not been created, it will be created during this call.
      Returns:
      the number of established but idle connections

    • getNumIdle

      public int getNumIdle()
      getIdle()
      Returns:
      the number of established but idle connections

    • checkAbandoned

      public void checkAbandoned()
      Forces an abandon check on the connection pool. If connections that have been abandoned exists, they will be closed during this run

    • checkIdle

      public void checkIdle()
      Forces a check for resizing of the idle connections

    • getActive

      public int getActive()
      Returns:
      number of connections in use by the application

    • getNumActive

      public int getNumActive()
      Returns:
      number of connections in use by the application getActive()

    • getWaitCount

      public int getWaitCount()
      Returns:
      number of threads waiting for a connection

    • getSize

      public int getSize()
      Returns:
      the current size of the pool

    • testIdle

      public void testIdle()
      Performs a validation on idle connections

    • getBorrowedCount

      public long getBorrowedCount()
      The total number of connections borrowed from this pool.
      Returns:
      the borrowed connection count

    • getReturnedCount

      public long getReturnedCount()
      The total number of connections returned to this pool.
      Returns:
      the returned connection count

    • getCreatedCount

      public long getCreatedCount()
      The total number of connections created by this pool.
      Returns:
      the created connection count

    • getReleasedCount

      public long getReleasedCount()
      The total number of connections released from this pool.
      Returns:
      the released connection count

    • getReconnectedCount

      public long getReconnectedCount()
      The total number of connections reconnected by this pool.
      Returns:
      the reconnected connection count

    • getRemoveAbandonedCount

      public long getRemoveAbandonedCount()
      The total number of connections released by remove abandoned.
      Returns:
      the PoolCleaner removed abandoned connection count

    • getReleasedIdleCount

      public long getReleasedIdleCount()
      The total number of connections released by eviction.
      Returns:
      the PoolCleaner evicted idle connection count

    • resetStats

      public void resetStats()
      reset the statistics of this pool.

    • getConnectionProperties

      public String getConnectionProperties()
      Description copied from interface: PoolConfiguration
      The connection properties that will be sent to the JDBC driver when establishing new connections. Format of the string is [propertyName=property;]
      NOTE - The "user" and "password" properties will be passed explicitly, so they do not need to be included here. The default value is null.
      Specified by:
      getConnectionProperties in interface PoolConfiguration
      Returns:
      the connection properties

    • getDbProperties

      public Properties getDbProperties()
      Description copied from interface: PoolConfiguration
      Returns the database properties that are passed into the Driver.connect(String, Properties) method.
      Specified by:
      getDbProperties in interface PoolConfiguration
      Returns:
      database properties that are passed into the Driver.connect(String, Properties) method.

    • getDefaultCatalog

      public String getDefaultCatalog()
      Description copied from interface: PoolConfiguration
      If non null, during connection creation the method Connection.setCatalog(String) will be called with the set value.
      Specified by:
      getDefaultCatalog in interface PoolConfiguration
      Returns:
      the default catalog, null if not set and accepting the driver default.

    • getDefaultTransactionIsolation

      public int getDefaultTransactionIsolation()
      Description copied from interface: PoolConfiguration
      Returns the default transaction isolation level. If set to DataSourceFactory.UNKNOWN_TRANSACTIONISOLATION the method Connection.setTransactionIsolation(int) will not be called during connection creation.
      Specified by:
      getDefaultTransactionIsolation in interface PoolConfiguration
      Returns:
      driver transaction isolation level, or -1 DataSourceFactory.UNKNOWN_TRANSACTIONISOLATION if not set.

    • getDriverClassName

      public String getDriverClassName()
      Description copied from interface: PoolConfiguration
      The fully qualified Java class name of the JDBC driver to be used. The driver has to be accessible from the same classloader as tomcat-jdbc.jar
      Specified by:
      getDriverClassName in interface PoolConfiguration
      Returns:
      fully qualified JDBC driver name.

    • getInitialSize

      public int getInitialSize()
      Description copied from interface: PoolConfiguration
      Returns the number of connections that will be established when the connection pool is started. Default value is 10
      Specified by:
      getInitialSize in interface PoolConfiguration
      Returns:
      number of connections to be started when pool is started

    • getInitSQL

      public String getInitSQL()
      Description copied from interface: PoolConfiguration
      A custom query to be run when a connection is first created. The default value is null. This query only runs once per connection, and that is when a new connection is established to the database. If this value is non null, it will replace the validation query during connection creation.
      Specified by:
      getInitSQL in interface PoolConfiguration
      Returns:
      the init SQL used to run against the DB or null if not set

    • getJdbcInterceptors

      public String getJdbcInterceptors()
      Description copied from interface: PoolConfiguration
      A semicolon separated list of classnames extending JdbcInterceptor class. These interceptors will be inserted as an interceptor into the chain of operations on a java.sql.Connection object. Example interceptors are StatementFinalizer to close all used statements during the session. ResetAbandonedTimer resets the timer upon every operation on the connection or a statement. ConnectionState caches the auto commit, read only and catalog settings to avoid round trips to the DB. The default value is null.
      Specified by:
      getJdbcInterceptors in interface PoolConfiguration
      Returns:
      the interceptors that are used for connections. Example format: 'ConnectionState(useEquals=true,fast=yes);ResetAbandonedTimer'

    • getMaxActive

      public int getMaxActive()
      Description copied from interface: PoolConfiguration
      The maximum number of active connections that can be allocated from this pool at the same time. The default value is 100
      Specified by:
      getMaxActive in interface PoolConfiguration
      Returns:
      the maximum number of connections used by this pool

    • getMaxIdle

      public int getMaxIdle()
      Description copied from interface: PoolConfiguration
      The maximum number of connections that should be kept in the idle pool if PoolConfiguration.isPoolSweeperEnabled() returns false. If the If PoolConfiguration.isPoolSweeperEnabled() returns true, then the idle pool can grow up to PoolConfiguration.getMaxActive() and will be shrunk according to PoolConfiguration.getMinEvictableIdleTimeMillis() setting. Default value is maxActive:100
      Specified by:
      getMaxIdle in interface PoolConfiguration
      Returns:
      the maximum number of idle connections.

    • getMaxWait

      public int getMaxWait()
      Description copied from interface: PoolConfiguration
      The maximum number of milliseconds that the pool will wait (when there are no available connections and the PoolConfiguration.getMaxActive() has been reached) for a connection to be returned before throwing an exception. Default value is 30000 (30 seconds)
      Specified by:
      getMaxWait in interface PoolConfiguration
      Returns:
      the number of milliseconds to wait for a connection to become available if the pool is maxed out.

    • getMinEvictableIdleTimeMillis

      public int getMinEvictableIdleTimeMillis()
      Description copied from interface: PoolConfiguration
      The minimum amount of time an object must sit idle in the pool before it is eligible for eviction. The default value is 60000 (60 seconds).
      Specified by:
      getMinEvictableIdleTimeMillis in interface PoolConfiguration
      Returns:
      the minimum amount of idle time in milliseconds before a connection is considered idle and eligible for eviction.

    • getMinIdle

      public int getMinIdle()
      Description copied from interface: PoolConfiguration
      The minimum number of established connections that should be kept in the pool at all times. The connection pool can shrink below this number if validation queries fail and connections get closed. Default value is derived from PoolConfiguration.getInitialSize() (also see PoolConfiguration.setTestWhileIdle(boolean) The idle pool will not shrink below this value during an eviction run, hence the number of actual connections can be between PoolConfiguration.getMinIdle() and somewhere between PoolConfiguration.getMaxIdle() and PoolConfiguration.getMaxActive()
      Specified by:
      getMinIdle in interface PoolConfiguration
      Returns:
      the minimum number of idle or established connections

    • getMaxAge

      public long getMaxAge()
      Description copied from interface: PoolConfiguration
      Time in milliseconds to keep this connection before reconnecting. When a connection is idle, returned to the pool or borrowed from the pool, the pool will check to see if the ((now - time-when-connected) > maxAge) has been reached, and if so, it reconnects. Note that the age of idle connections will only be checked if PoolConfiguration.getTimeBetweenEvictionRunsMillis() returns a value greater than 0. The default value is 0, which implies that connections will be left open and no age checks will be done. This is a useful setting for database sessions that leak memory as it ensures that the session will have a finite life span.
      Specified by:
      getMaxAge in interface PoolConfiguration
      Returns:
      the time in milliseconds a connection will be open for when used

    • getName

      public String getName()
      Description copied from interface: PoolConfiguration
      Returns the name of the connection pool. By default a JVM unique random name is assigned.
      Specified by:
      getName in interface PoolConfiguration
      Returns:
      the name of the pool, should be unique in a JVM

    • getNumTestsPerEvictionRun

      public int getNumTestsPerEvictionRun()
      Description copied from interface: PoolConfiguration
      Property not used
      Specified by:
      getNumTestsPerEvictionRun in interface PoolConfiguration
      Returns:
      unknown value

    • getPassword

      public String getPassword()
      Description copied from interface: PoolConfiguration
      Returns the password used when establishing connections to the database.
      Specified by:
      getPassword in interface PoolConfiguration
      Returns:
      DOES NOT RETURN THE PASSWORD, IT WOULD SHOW UP IN JMX

    • getRemoveAbandonedTimeout

      public int getRemoveAbandonedTimeout()
      Description copied from interface: PoolConfiguration
      The time in seconds before a connection can be considered abandoned. The timer can be reset upon queries using an interceptor.
      Specified by:
      getRemoveAbandonedTimeout in interface PoolConfiguration
      Returns:
      the time in seconds before a used connection can be considered abandoned
      See Also:

    • getTimeBetweenEvictionRunsMillis

      public int getTimeBetweenEvictionRunsMillis()
      Description copied from interface: PoolConfiguration
      The number of milliseconds to sleep between runs of the idle connection validation, abandoned cleaner and idle pool resizing. This value should not be set under 1 second. It dictates how often we check for idle, abandoned connections, and how often we validate idle connection and resize the idle pool. The default value is 5000 (5 seconds)
      Specified by:
      getTimeBetweenEvictionRunsMillis in interface PoolConfiguration
      Returns:
      the sleep time in between validations in milliseconds

    • getUrl

      public String getUrl()
      Description copied from interface: PoolConfiguration
      The URL used to connect to the database
      Specified by:
      getUrl in interface PoolConfiguration
      Returns:
      the configured URL for this connection pool
      See Also:

    • getUsername

      public String getUsername()
      Description copied from interface: PoolConfiguration
      Returns the username used to establish the connection with
      Specified by:
      getUsername in interface PoolConfiguration
      Returns:
      the username used to establish the connection with

    • getValidationInterval

      public long getValidationInterval()
      Description copied from interface: PoolConfiguration
      avoid excess validation, only run validation at most at this frequency - time in milliseconds. If a connection is due for validation, but has been validated previously within this interval, it will not be validated again. The default value is 3000 (3 seconds).
      Specified by:
      getValidationInterval in interface PoolConfiguration
      Returns:
      the validation interval in milliseconds

    • getValidationQuery

      public String getValidationQuery()
      Description copied from interface: PoolConfiguration
      The SQL query that will be used to validate connections from this pool before returning them to the caller or pool. If specified, this query does not have to return any data, it just can't throw an SQLException. The default value is null. Example values are SELECT 1(mysql), select 1 from dual(oracle), SELECT 1(MS Sql Server)
      Specified by:
      getValidationQuery in interface PoolConfiguration
      Returns:
      the query used for validation or null if no validation is performed

    • getValidationQueryTimeout

      public int getValidationQueryTimeout()
      Description copied from interface: PoolConfiguration
      The timeout in seconds before a connection validation queries fail. A value less than or equal to zero will disable this feature. Defaults to -1.
      Specified by:
      getValidationQueryTimeout in interface PoolConfiguration
      Returns:
      the timeout value in seconds

    • getValidatorClassName

      public String getValidatorClassName()
      Description copied from interface: PoolConfiguration
      Return the name of the optional validator class - may be null.
      Specified by:
      getValidatorClassName in interface PoolConfiguration
      Returns:
      the name of the optional validator class - may be null

    • getValidator

      public Validator getValidator()
      Specified by:
      getValidator in interface PoolConfiguration
      Returns:
      the optional validator object - may be null

    • setValidator

      public void setValidator(Validator validator)
      Description copied from interface: PoolConfiguration
      Sets the validator object If this is a non null object, it will be used as a validator instead of the validationQuery If this is null, remove the usage of the validator.
      Specified by:
      setValidator in interface PoolConfiguration
      Parameters:
      validator - The validator object

    • isAccessToUnderlyingConnectionAllowed

      public boolean isAccessToUnderlyingConnectionAllowed()
      Description copied from interface: PoolConfiguration
      Property not used. Access is always allowed. Access can be achieved by calling unwrap on the pooled connection. see DataSource interface or call getConnection through reflection or cast the object as PooledConnection
      Specified by:
      isAccessToUnderlyingConnectionAllowed in interface PoolConfiguration
      Returns:
      true

    • isDefaultAutoCommit

      public Boolean isDefaultAutoCommit()
      Description copied from interface: PoolConfiguration
      The default auto-commit state of connections created by this pool. If not set (null), default is JDBC driver default (If set to null then the Connection.setAutoCommit(boolean) method will not be called.)
      Specified by:
      isDefaultAutoCommit in interface PoolConfiguration
      Returns:
      the default auto commit setting, null is Driver default.

    • isDefaultReadOnly

      public Boolean isDefaultReadOnly()
      Description copied from interface: PoolConfiguration
      If non null, during connection creation the method Connection.setReadOnly(boolean) will be called with the set value.
      Specified by:
      isDefaultReadOnly in interface PoolConfiguration
      Returns:
      null if not set and accepting the driver default otherwise the read only value

    • isLogAbandoned

      public boolean isLogAbandoned()
      Description copied from interface: PoolConfiguration
      boolean flag to set if stack traces should be logged for application code which abandoned a Connection. Logging of abandoned Connections adds overhead for every Connection borrow because a stack trace has to be generated. The default value is false.
      Specified by:
      isLogAbandoned in interface PoolConfiguration
      Returns:
      true if the connection pool logs stack traces when connections are borrowed from the pool.

    • isPoolSweeperEnabled

      public boolean isPoolSweeperEnabled()
      Description copied from interface: PoolConfiguration
      Returns true if the pool sweeper is enabled for the connection pool. The pool sweeper is enabled if any settings that require async intervention in the pool are turned on boolean result = getTimeBetweenEvictionRunsMillis()>0; result = result && (isRemoveAbandoned() && getRemoveAbandonedTimeout()>0); result = result || (isTestWhileIdle() && getValidationQuery()!=null); return result;
      Specified by:
      isPoolSweeperEnabled in interface PoolConfiguration
      Returns:
      true if a background thread is or will be enabled for this pool

    • isRemoveAbandoned

      public boolean isRemoveAbandoned()
      Description copied from interface: PoolConfiguration
      boolean flag to remove abandoned connections if they exceed the removeAbandonedTimeout. If set to true a connection is considered abandoned and eligible for removal if it has been in use longer than the PoolConfiguration.getRemoveAbandonedTimeout() and the condition for PoolConfiguration.getAbandonWhenPercentageFull() is met. Setting this to true can recover db connections from applications that fail to close a connection. See also PoolConfiguration.isLogAbandoned() The default value is false.
      Specified by:
      isRemoveAbandoned in interface PoolConfiguration
      Returns:
      true if abandoned connections can be closed and expelled out of the pool

    • getAbandonWhenPercentageFull

      public int getAbandonWhenPercentageFull()
      Description copied from interface: PoolConfiguration
      Connections that have been abandoned (timed out) wont get closed and reported up unless the number of connections in use are above the percentage defined by abandonWhenPercentageFull. The value should be between 0-100. The default value is 0, which implies that connections are eligible for closure as soon as removeAbandonedTimeout has been reached.
      Specified by:
      getAbandonWhenPercentageFull in interface PoolConfiguration
      Returns:
      percentage - a value between 0 and 100 to indicate when connections that have been abandoned/timed out are considered abandoned

    • isTestOnBorrow

      public boolean isTestOnBorrow()
      Description copied from interface: PoolConfiguration
      The indication of whether objects will be validated before being borrowed from the pool. If the object fails to validate, it will be dropped from the pool, and we will attempt to borrow another. NOTE - for a true value to have any effect, the validationQuery parameter must be set to a non-null string. Default value is false In order to have a more efficient validation, see PoolConfiguration.setValidationInterval(long)
      Specified by:
      isTestOnBorrow in interface PoolConfiguration
      Returns:
      true if the connection is to be validated upon borrowing a connection from the pool
      See Also:

    • isTestOnConnect

      public boolean isTestOnConnect()
      Description copied from interface: PoolConfiguration
      Returns true if we should run the validation query when connecting to the database for the first time on a connection. Normally this is always set to false, unless one wants to use the validationQuery as an init query.
      Specified by:
      isTestOnConnect in interface PoolConfiguration
      Returns:
      true if we should run the validation query upon connect

    • isTestOnReturn

      public boolean isTestOnReturn()
      Description copied from interface: PoolConfiguration
      The indication of whether objects will be validated after being returned to the pool. If the object fails to validate, it will be dropped from the pool. NOTE - for a true value to have any effect, the validationQuery parameter must be set to a non-null string. Default value is false In order to have a more efficient validation, see PoolConfiguration.setValidationInterval(long)
      Specified by:
      isTestOnReturn in interface PoolConfiguration
      Returns:
      true if validation should take place after a connection is returned to the pool
      See Also:

    • isTestWhileIdle

      public boolean isTestWhileIdle()
      Description copied from interface: PoolConfiguration
      Set to true if query validation should take place while the connection is idle.
      Specified by:
      isTestWhileIdle in interface PoolConfiguration
      Returns:
      true if validation should take place during idle checks
      See Also:

    • getDefaultAutoCommit

      public Boolean getDefaultAutoCommit()
      Description copied from interface: PoolConfiguration
      The default auto-commit state of connections created by this pool. If not set (null), default is JDBC driver default (If set to null then the Connection.setAutoCommit(boolean) method will not be called.)
      Specified by:
      getDefaultAutoCommit in interface PoolConfiguration
      Returns:
      the default auto commit setting, null is Driver default.

    • getDefaultReadOnly

      public Boolean getDefaultReadOnly()
      Description copied from interface: PoolConfiguration
      If non null, during connection creation the method Connection.setReadOnly(boolean) will be called with the set value.
      Specified by:
      getDefaultReadOnly in interface PoolConfiguration
      Returns:
      null if not set and accepting the driver default otherwise the read only value

    • getJdbcInterceptorsAsArray

      public PoolProperties.InterceptorDefinition[] getJdbcInterceptorsAsArray()
      Description copied from interface: PoolConfiguration
      Returns the PoolConfiguration.getJdbcInterceptors() as an array of objects with properties and the classes.
      Specified by:
      getJdbcInterceptorsAsArray in interface PoolConfiguration
      Returns:
      an array of interceptors that have been configured

    • getUseLock

      public boolean getUseLock()
      Description copied from interface: PoolConfiguration
      Return true if a lock should be used when operations are performed on the connection object. Should be set to false unless you plan to have a background thread of your own doing idle and abandon checking such as JMX clients. If the pool sweeper is enabled, then the lock will automatically be used regardless of this setting.
      Specified by:
      getUseLock in interface PoolConfiguration
      Returns:
      true if a lock is used.

    • isFairQueue

      public boolean isFairQueue()
      Description copied from interface: PoolConfiguration
      Returns true if a fair queue is being used by the connection pool
      Specified by:
      isFairQueue in interface PoolConfiguration
      Returns:
      true if a fair waiting queue is being used

    • isJmxEnabled

      public boolean isJmxEnabled()
      Description copied from interface: PoolConfiguration
      If set to true, the connection pool creates a ConnectionPoolMBean object that can be registered with JMX to receive notifications and state about the pool. The ConnectionPool object doesn't register itself, as there is no way to keep a static non changing ObjectName across JVM restarts.
      Specified by:
      isJmxEnabled in interface PoolConfiguration
      Returns:
      true if the mbean object will be created upon startup.

    • isUseEquals

      public boolean isUseEquals()
      Description copied from interface: PoolConfiguration
      Set to true if you wish the ProxyConnection class to use String.equals instead of == when comparing method names. This property does not apply to added interceptors as those are configured individually. The default value is false.
      Specified by:
      isUseEquals in interface PoolConfiguration
      Returns:
      true if pool uses String.equals(Object) instead of == when comparing method names on Connection methods

    • setAbandonWhenPercentageFull

      public void setAbandonWhenPercentageFull(int percentage)
      Description copied from interface: PoolConfiguration
      Connections that have been abandoned (timed out) wont get closed and reported up unless the number of connections in use are above the percentage defined by abandonWhenPercentageFull. The value should be between 0-100. The default value is 0, which implies that connections are eligible for closure as soon as removeAbandonedTimeout has been reached.
      Specified by:
      setAbandonWhenPercentageFull in interface PoolConfiguration
      Parameters:
      percentage - a value between 0 and 100 to indicate when connections that have been abandoned/timed out are considered abandoned

    • setAccessToUnderlyingConnectionAllowed

      public void setAccessToUnderlyingConnectionAllowed(boolean accessToUnderlyingConnectionAllowed)
      Description copied from interface: PoolConfiguration
      No-op
      Specified by:
      setAccessToUnderlyingConnectionAllowed in interface PoolConfiguration
      Parameters:
      accessToUnderlyingConnectionAllowed - parameter ignored

    • setDbProperties

      public void setDbProperties(Properties dbProperties)
      Description copied from interface: PoolConfiguration
      Overrides the database properties passed into the Driver.connect(String, Properties) method.
      Specified by:
      setDbProperties in interface PoolConfiguration
      Parameters:
      dbProperties - The database properties

    • setDefaultReadOnly

      public void setDefaultReadOnly(Boolean defaultReadOnly)
      Description copied from interface: PoolConfiguration
      If non null, during connection creation the method Connection.setReadOnly(boolean) will be called with the set value.
      Specified by:
      setDefaultReadOnly in interface PoolConfiguration
      Parameters:
      defaultReadOnly - null if not set and accepting the driver default.

    • setMaxAge

      public void setMaxAge(long maxAge)
      Description copied from interface: PoolConfiguration
      Time in milliseconds to keep this connection before reconnecting. When a connection is idle, returned to the pool or borrowed from the pool, the pool will check to see if the ((now - time-when-connected) > maxAge) has been reached, and if so, it reconnects. Note that the age of idle connections will only be checked if PoolConfiguration.getTimeBetweenEvictionRunsMillis() returns a value greater than 0. The default value is 0, which implies that connections will be left open and no age checks will be done. This is a useful setting for database sessions that leak memory as it ensures that the session will have a finite life span.
      Specified by:
      setMaxAge in interface PoolConfiguration
      Parameters:
      maxAge - the time in milliseconds a connection will be open for when used

    • setName

      public void setName(String name)
      Description copied from interface: PoolConfiguration
      Sets the name of the connection pool
      Specified by:
      setName in interface PoolConfiguration
      Parameters:
      name - the name of the pool, should be unique in a runtime JVM

    • setDataSource

      public void setDataSource(Object ds)
      Description copied from interface: PoolConfiguration
      Injects a datasource that will be used to retrieve/create connections. If a data source is set, the PoolConfiguration.getUrl() and PoolConfiguration.getDriverClassName() methods are ignored and not used by the pool. If the PoolConfiguration.getUsername() and PoolConfiguration.getPassword() values are set, the method DataSource.getConnection(String, String) method will be called instead of the DataSource.getConnection() method. If the data source implements XADataSource the methods XADataSource.getXAConnection() and XADataSource.getXAConnection(String,String) will be invoked.
      Specified by:
      setDataSource in interface PoolConfiguration
      Parameters:
      ds - the DataSource to be used for creating connections to be pooled.

    • getDataSource

      public Object getDataSource()
      Description copied from interface: PoolConfiguration
      Returns a datasource, if one exists that is being used to create connections. This method will return null if the pool is using a Driver
      Specified by:
      getDataSource in interface PoolConfiguration
      Returns:
      the DataSource to be used for creating connections to be pooled or null if a Driver is used.

    • setDataSourceJNDI

      public void setDataSourceJNDI(String jndiDS)
      Description copied from interface: PoolConfiguration
      Configure the connection pool to use a DataSource according to PoolConfiguration.setDataSource(Object) But instead of injecting the object, specify the JNDI location. After a successful JNDI look, the PoolConfiguration.getDataSource() will not return null.
      Specified by:
      setDataSourceJNDI in interface PoolConfiguration
      Parameters:
      jndiDS - -the JNDI string @TODO specify the rules here.

    • getDataSourceJNDI

      public String getDataSourceJNDI()
      Description copied from interface: PoolConfiguration
      Returns the JNDI string configured for data source usage.
      Specified by:
      getDataSourceJNDI in interface PoolConfiguration
      Returns:
      the JNDI string or null if not set

    • isAlternateUsernameAllowed

      public boolean isAlternateUsernameAllowed()
      Description copied from interface: PoolConfiguration
      Returns true if the call getConnection(username,password) is allowed. This is used for when the pool is used by an application accessing multiple schemas. There is a performance impact turning this option on.
      Specified by:
      isAlternateUsernameAllowed in interface PoolConfiguration
      Returns:
      true if getConnection(username,password) is honored, false if it is ignored.

    • setAlternateUsernameAllowed

      public void setAlternateUsernameAllowed(boolean alternateUsernameAllowed)
      Description copied from interface: PoolConfiguration
      Set to true if the call getConnection(username,password) is allowed and honored.. This is used for when the pool is used by an application accessing multiple schemas. There is a performance impact turning this option on, even when not used due to username checks.
      Specified by:
      setAlternateUsernameAllowed in interface PoolConfiguration
      Parameters:
      alternateUsernameAllowed - - set true if getConnection(username,password) is honored, false if it is to be ignored.

    • setCommitOnReturn

      public void setCommitOnReturn(boolean commitOnReturn)
      Description copied from interface: PoolConfiguration
      Set to true if you want the connection pool to commit any pending transaction when a connection is returned. The default value is false, as this could result in committing data. This parameter is only looked at if the PoolConfiguration.getDefaultAutoCommit() returns false
      Specified by:
      setCommitOnReturn in interface PoolConfiguration
      Parameters:
      commitOnReturn - set to true if the pool should call Connection.commit() when a connection is returned to the pool. Default is false

    • getCommitOnReturn

      public boolean getCommitOnReturn()
      Specified by:
      getCommitOnReturn in interface PoolConfiguration
      Returns:
      true if the pool should commit when a connection is returned to it
      See Also:

    • setRollbackOnReturn

      public void setRollbackOnReturn(boolean rollbackOnReturn)
      Description copied from interface: PoolConfiguration
      Set to true if you want the connection pool to rollback any pending transaction when a connection is returned. The default value is false, as this could result in committing data. This parameter is only looked at if the PoolConfiguration.getDefaultAutoCommit() returns false
      Specified by:
      setRollbackOnReturn in interface PoolConfiguration
      Parameters:
      rollbackOnReturn - set to true if the pool should call Connection.rollback() when a connection is returned to the pool. Default is false

    • getRollbackOnReturn

      public boolean getRollbackOnReturn()
      Specified by:
      getRollbackOnReturn in interface PoolConfiguration
      Returns:
      true if the pool should rollback when a connection is returned to it
      See Also:

    • setUseDisposableConnectionFacade

      public void setUseDisposableConnectionFacade(boolean useDisposableConnectionFacade)
      Description copied from interface: PoolConfiguration
      If set to true, the connection will be wrapped with facade that will disallow the connection to be used after Connection.close() is called. If set to true, after Connection.close() all calls except Connection.close() and Connection.isClosed() will throw an exception.
      Specified by:
      setUseDisposableConnectionFacade in interface PoolConfiguration
      Parameters:
      useDisposableConnectionFacade - true to use a facade

    • getUseDisposableConnectionFacade

      public boolean getUseDisposableConnectionFacade()
      Description copied from interface: PoolConfiguration
      Returns true if this connection pool is configured to use a connection facade to prevent re-use of connection after Connection.close() has been invoked
      Specified by:
      getUseDisposableConnectionFacade in interface PoolConfiguration
      Returns:
      true if Connection.close() has been invoked.

    • setLogValidationErrors

      public void setLogValidationErrors(boolean logValidationErrors)
      Description copied from interface: PoolConfiguration
      Set to true if you wish that errors from validation should be logged as error messages.
      Specified by:
      setLogValidationErrors in interface PoolConfiguration
      Parameters:
      logValidationErrors - set to true to log validation errors

    • getLogValidationErrors

      public boolean getLogValidationErrors()
      Description copied from interface: PoolConfiguration
      Returns true if errors that happen during validation will be logged
      Specified by:
      getLogValidationErrors in interface PoolConfiguration
      Returns:
      true if errors that happen during validation will be logged

    • getPropagateInterruptState

      public boolean getPropagateInterruptState()
      Description copied from interface: PoolConfiguration
      Returns true if the pool is configured to propagate interrupt state of a thread. A thread waiting for a connection, can have its wait interrupted, and by default will clear the interrupt flag and throw a PoolExhaustedException
      Specified by:
      getPropagateInterruptState in interface PoolConfiguration
      Returns:
      true if the pool is configured to propagate and not clear the thread interrupt state

    • setPropagateInterruptState

      public void setPropagateInterruptState(boolean propagateInterruptState)
      Description copied from interface: PoolConfiguration
      Configure the pool to propagate interrupt state for interrupted threads waiting for a connection A thread waiting for a connection, can have its wait interrupted, and by default will clear the interrupt flag and throw a PoolExhaustedException If set to true, this behavior will change, while the PoolExhaustedException is still thrown, the threads interrupted state is still set.
      Specified by:
      setPropagateInterruptState in interface PoolConfiguration
      Parameters:
      propagateInterruptState - - set to true to not clear, but propagate, a threads interrupted state.

    • isIgnoreExceptionOnPreLoad

      public boolean isIgnoreExceptionOnPreLoad()
      Specified by:
      isIgnoreExceptionOnPreLoad in interface PoolConfiguration
      Returns:
      true to ignore exceptions
      See Also:

    • setIgnoreExceptionOnPreLoad

      public void setIgnoreExceptionOnPreLoad(boolean ignoreExceptionOnPreLoad)
      Description copied from interface: PoolConfiguration
      Set to true if you want to ignore error of connection creation while initializing the pool. Set to false if you want to fail the initialization of the pool by throwing exception.
      Specified by:
      setIgnoreExceptionOnPreLoad in interface PoolConfiguration
      Parameters:
      ignoreExceptionOnPreLoad - set to true if you want to ignore error of connection creation while initializing the pool.

    • getUseStatementFacade

      public boolean getUseStatementFacade()
      Description copied from interface: PoolConfiguration
      Returns true if this connection pool is configured to wrap statements in order to enable equals() and hashCode() methods to be called on the closed statements if any statement proxy is set.
      Specified by:
      getUseStatementFacade in interface PoolConfiguration
      Returns:
      true if the statements are wrapped

    • setUseStatementFacade

      public void setUseStatementFacade(boolean useStatementFacade)
      Description copied from interface: PoolConfiguration
      Set this to true if you wish to wrap statements in order to enable equals() and hashCode() methods to be called on the closed statements if any statement proxy is set.
      Specified by:
      setUseStatementFacade in interface PoolConfiguration
      Parameters:
      useStatementFacade - set to true to wrap statements

    • purge

      public void purge()

    • purgeOnReturn

      public void purgeOnReturn()