AbstractFilterBean.WeakenerTask (DHD Multimedia Gallery V1.53.0 Javadoc)

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org.hd.d.pg2k.webSvr.exhibit
Class AbstractFilterBean.WeakenerTask

java.lang.Object
  java.util.TimerTask
      org.hd.d.pg2k.webSvr.exhibit.AbstractFilterBean.WeakenerTask

All Implemented Interfaces:: java.lang.Runnable

Enclosing class:: AbstractFilterBean

private static final class AbstractFilterBean.WeakenerTask
extends java.util.TimerTask
extends java.util.TimerTask

Task to weaken retained references to soft from strong. Only retains a weak reference to the filter bean so as not to prevent the bean being GCed.

Field Summary
`private java.lang.ref.WeakReference<AbstractFilterBean>`	`beanWR` Weak ref to the bean; never null though the referent may be.
`private int`	`sizeWhenScheduled` Size of the set of retained refs when we were scheduled; non-negative.

Constructor Summary
`private`	`AbstractFilterBean.WeakenerTask(AbstractFilterBean afb, int sizeWhenScheduled)`

Method Summary
`void`	`run()` Weaken retained refs to soft ref under instance lock, eg so as to prevent clear before select() finished.

Methods inherited from class java.util.TimerTask
`cancel, scheduledExecutionTime`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

beanWR

private final java.lang.ref.WeakReference<AbstractFilterBean> beanWR

Weak ref to the bean; never null though the referent may be.

sizeWhenScheduled

private final int sizeWhenScheduled

Size of the set of retained refs when we were scheduled; non-negative.

Constructor Detail

AbstractFilterBean.WeakenerTask

private AbstractFilterBean.WeakenerTask(AbstractFilterBean afb,
                                        int sizeWhenScheduled)

Method Detail

run

public void run()

Weaken retained refs to soft ref under instance lock, eg so as to prevent clear before select() finished.

Specified by:: run in interface java.lang.Runnable
Specified by:: run in class java.util.TimerTask