Package org.apache.tomcat.util.collections

Class SynchronizedStack<T>

java.lang.Object

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

Type Parameters:

T - The type of object managed by this stack

Direct Known Subclasses:

AbstractProtocol.RecycledProcessors

public class SynchronizedStack<T>
extends Object

This is intended as a (mostly) GC-free alternative to Stack when the requirement is to create a pool of re-usable objects with no requirement to shrink the pool. 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
SynchronizedStack()
SynchronizedStack(int size, int limit)

Method Summary

Modifier and Type	Method	Description
void	clear()
T	pop()
boolean	push(T obj)

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

SynchronizedStack

public SynchronizedStack()

SynchronizedStack

public SynchronizedStack(int size,
 int limit)

Method Details

push

public boolean push(T obj)

pop

public T pop()

clear

public void clear()