Package org.aksw.commons.util.ref

Class ResourceHolderImpl<T>

java.lang.Object

org.aksw.commons.util.ref.ResourceHolderImpl<T>

Type Parameters:

T -

All Implemented Interfaces:

AutoCloseable, ResourceHolder<T>

public class ResourceHolderImpl<T>
extends Object
implements ResourceHolder<T>

Associate a resource with a closing mechanism

Author:

raven

Field Summary

Fields

Modifier and Type	Field	Description
protected AutoCloseable	closeAction
protected boolean	closeActionRun
protected T	value

Constructor Summary

Constructors

Constructor	Description
ResourceHolderImpl(T value, AutoCloseable closeAction)

Method Summary

Modifier and Type	Method	Description
void	close()
T	get()
boolean	isValid()	A resource holder is valid as long as it was not closed.

Methods inherited from class java.lang.Object

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

Field Details

value

protected T value

closeActionRun

protected boolean closeActionRun

closeAction

protected AutoCloseable closeAction

Constructor Details

ResourceHolderImpl

public ResourceHolderImpl(T value,
 AutoCloseable closeAction)

Method Details

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Throws:

Exception

isValid

public boolean isValid()

Description copied from interface: ResourceHolder

A resource holder is valid as long as it was not closed. Note, that the underlying resource may yet be closed.

Specified by:

isValid in interface ResourceHolder<T>

Returns:

get

public T get()

Specified by:

get in interface ResourceHolder<T>