Android Open Source - TreeFrogEngine Pool

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From Project

Back to project page TreeFrogEngine.

License

The source code is released under:

MIT License

Java Source Code

package com.discretesoftworks.framework;
/*from   ww  w . j av  a 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

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