jjbridge.engine.utils.NativeReference Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of jjbridge-engine-v8 Show documentation

A JJBridge library bundled with the V8 JavaScript Engine

There is a newer version: 0.4.0

package jjbridge.engine.utils;

import java.lang.ref.PhantomReference;
import java.lang.ref.ReferenceQueue;

/**
 * This class associates a {@link CleanUpAction} to a {@link PhantomReference}.
 * This allows to perform additional clean up operation before the reference is cleared by the garbage collector.
 *
 * @see ReferenceMonitor
 * */
public class NativeReference extends PhantomReference
{
    private final CleanUpAction cleanUpAction;
    public final long id;

    NativeReference(long id, T referent, ReferenceQueue q, CleanUpAction cleanUpAction)
    {
        super(referent, q);
        this.id = id;
        this.cleanUpAction = cleanUpAction;
    }

    /**
     * Performs the {@link CleanUpAction} passed in
     * {@link #NativeReference(long, Object, ReferenceQueue, CleanUpAction)}.
     * */
    public void cleanUp()
    {
        this.cleanUpAction.cleanUp();
    }
}