org.gridgain.grid.util

Class GridAtomicInitializer<T>

java.lang.Object

org.gridgain.grid.util.GridAtomicInitializer<T>

public class GridAtomicInitializer<T>
extends Object

Executes initialization operation once.

Constructor Summary

Constructors

Constructor and Description
GridAtomicInitializer()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	await() Await for completion.
T	init(Callable<T> c) Executes initialization operation only once.
T	result() Should be called only if succeeded.
boolean	succeeded()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

GridAtomicInitializer

public GridAtomicInitializer()

Method Detail

init

public T init(Callable<T> c)
       throws GridException

Executes initialization operation only once.

Parameters:

c - Initialization operation.

Returns:

Result of initialization.

Throws:

GridException - If failed.

succeeded

public boolean succeeded()

Returns:

True, if initialization was already successfully completed.

result

public T result()

Should be called only if succeeded.

Returns:

Result.

await

public boolean await()
              throws GridInterruptedException

Await for completion.

Returns:

true If initialization was completed successfully.

Throws:

GridInterruptedException - If thread was interrupted.

toString

public String toString()

Overrides:

toString in class Object