Android Open Source - CoreGame Pool

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Back to project page CoreGame.

License

The source code is released under:

Copyright (c) 2011 Andrey Moiseev, http://o2genum.ru Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"),...

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Java Source Code

package ru.o2genum.coregame.framework;
//  w  w w .j a v  a  2  s  . c  om
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