TrapException (Apache Tomcat 7.0.109 API Documentation)

Apache Tomcat 7.0.109

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java.lang.Object
- org.apache.tomcat.jdbc.pool.JdbcInterceptor
- - org.apache.tomcat.jdbc.pool.TrapException

All Implemented Interfaces:

InvocationHandler
```
public class TrapException
extends JdbcInterceptor
```
Interceptor that traps any unhandled exception types and throws an exception that has been declared by the method called, or throw an SQLException if it is declared. If the caught exception is not declared, and the method doesn't throw SQLException, then this interceptor will throw a RuntimeException

Author:

fhanik

Field Summary
- Fields inherited from class org.apache.tomcat.jdbc.pool.JdbcInterceptor
  CLOSE_VAL, EQUALS_VAL, GETCONNECTION_VAL, HASHCODE_VAL, ISCLOSED_VAL, ISVALID_VAL, ISWRAPPERFOR_VAL, properties, TOSTRING_VAL, UNWRAP_VAL

Constructor Summary

Constructors
Constructor and Description

TrapException()

Method Summary

Methods
Modifier and Type	Method and Description
`Object`	`invoke(Object proxy, Method method, Object[] args)` Gets invoked each time an operation on `Connection` is invoked.
`boolean`	`isDeclaredException(Method m, Class<?> clazz)`
`void`	`reset(ConnectionPool parent, PooledConnection con)` no-op for this interceptor. no state is stored.

Methods inherited from class org.apache.tomcat.jdbc.pool.JdbcInterceptor
compare, compare, disconnected, getNext, getProperties, isUseEquals, poolClosed, poolStarted, setNext, setProperties, setUseEquals

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - TrapException
```
public TrapException()
```
- Method Detail
  - invoke
```
public Object invoke(Object proxy,
            Method method,
            Object[] args)
              throws Throwable
```
    Description copied from class: JdbcInterceptor
    
    Gets invoked each time an operation on Connection is invoked.
    
    Specified by:
    
    invoke in interface InvocationHandler
    
    Overrides:
    
    invoke in class JdbcInterceptor
    
    Throws:
    
    Throwable
  - isDeclaredException
```
public boolean isDeclaredException(Method m,
                          Class<?> clazz)
```
  - reset
```
public void reset(ConnectionPool parent,
         PooledConnection con)
```
    no-op for this interceptor. no state is stored.
    
    Specified by:
    
    reset in class JdbcInterceptor
    
    Parameters:
    parent - - the connection pool owning the connection
    con - - the pooled connection

Apache Tomcat 7.0.109

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