Package org.apache.tomcat.util.collections

Class SynchronizedQueue<T>

java.lang.Object

org.apache.tomcat.util.collections.SynchronizedQueue<T>

Type Parameters:

T - The type of object managed by this queue

public class SynchronizedQueue<T>
extends Object

This is intended as a (mostly) GC-free alternative to ConcurrentLinkedQueue when the requirement is to create an unbounded queue with no requirement to shrink the queue. The aim is to provide the bare minimum of required functionality as quickly as possible with minimum garbage.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	DEFAULT_SIZE

Constructor Summary

Constructors

Constructor	Description
SynchronizedQueue()
SynchronizedQueue(int initialSize)

Method Summary

Modifier and Type	Method	Description
void	clear()
boolean	offer(T t)
T	poll()
int	size()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

DEFAULT_SIZE

public static final int DEFAULT_SIZE

See Also:

• Constant Field Values

Constructor Details

SynchronizedQueue

public SynchronizedQueue()

SynchronizedQueue

public SynchronizedQueue(int initialSize)

Method Details

offer

public boolean offer(T t)

poll

public T poll()

size

public int size()

clear

public void clear()