net.grinder.util.thread

Class BooleanCondition

java.lang.Object

net.grinder.util.thread.BooleanCondition

public final class BooleanCondition
extends Object

Lock object that has two states. A caller can wait for the state to change to a particular value, but can also be woken by another thread.

Author:

Philip Aston

Constructor Summary

Constructors

Constructor and Description
BooleanCondition()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	await(boolean state) Wait for our state to match the passed value.
boolean	get() Query the state without blocking.
void	set(boolean state) Set the state to the passed value.
void	wakeUpAllWaiters() Wake up other threads that are waiting in await(boolean).

Methods inherited from class java.lang.Object

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

Constructor Detail

BooleanCondition

public BooleanCondition()

Method Detail

await

public boolean await(boolean state)

Wait for our state to match the passed value.

Parameters:

state - State to wait for.

Returns:

The new state value. Can differ from the parameter if we have been woken by another thread calling wakeUpAllWaiters().

set

public void set(boolean state)

Set the state to the passed value.

Parameters:

state - The new state.

get

public boolean get()

Query the state without blocking.

Returns:

The state.

wakeUpAllWaiters

public void wakeUpAllWaiters()

Wake up other threads that are waiting in await(boolean).