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package edu.wpi.first.wpijavacv;
/**
* This class allows a bunch of disposable items to be put into a pool which will do something if all of them are disposed.
* Subclasses should override the dispose method to react to when everything in the pool is disposed.
* @author Joe Grinstead
*/
public abstract class WPIMemoryPool extends WPIDisposable {
/** The number of elements remaining in the pool */
private int remaining;
/**
* Adds the given disposable item to the memory pool
* @param disposable the item
*/
public synchronized void addToPool(WPIDisposable disposable) {
validateDisposed();
disposable.setPool(this);
remaining++;
}
/**
* Removes the given disposable item from the memory pool
* @param disposable
*/
public synchronized void removeFromPool(WPIDisposable disposable) {
validateDisposed();
disposable.setPool(null);
if (--remaining <= 0) {
dispose();
}
}
}
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