Android Open Source - AndroidGameDev Pool

From Project

Back to project page AndroidGameDev.

License

The source code is released under:

Apache License

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Java Source Code

package cc.rafazz.framework;
/*www  . j  ava  2s  .c o  m*/
import java.util.ArrayList;
import java.util.List;

public class Pool<T> {
  public interface PoolObjectFactory<T> {
    public T createObject();
  }

  private final List<T> freeObjects;
  private final PoolObjectFactory<T> factory;
  private final int maxSize;

  public Pool(PoolObjectFactory<T> factory, int maxSize) {
    this.factory = factory;
    this.maxSize = maxSize;
    this.freeObjects = new ArrayList<T>(maxSize);
  }

  public T newObject() {
    T object = null;

    if (freeObjects.size() == 0)
      object = factory.createObject();
    else
      object = freeObjects.remove(freeObjects.size() - 1);

    return object;
  }

  public void free(T object) {
    if (freeObjects.size() < maxSize)
      freeObjects.add(object);
  }
}

Java Source Code List