EhCacheWrapper.java

/*
 * Copyright 2010 Impetus Infotech.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.impetus.kundera.cache.ehcache;

import net.sf.ehcache.Cache;
import net.sf.ehcache.Element;

/**
 * Cache implementation using Ehcache.
 * 
 * @author animesh.kumar
 */
public class EhCacheWrapper implements com.impetus.kundera.cache.Cache {

	/** The ehcache. */
	private Cache ehcache;

	/**
	 * Instantiates a new eh cache wrapper.
	 * 
	 * @param ehcache
	 *            the ehcache
	 */
	public EhCacheWrapper(Cache ehcache) {
		this.ehcache = ehcache;
	}

	/* @see com.impetus.kundera.cache.Cache#clear() */
	@Override
	public void clear() {
		ehcache.removeAll();
	}

	/* @see com.impetus.kundera.cache.Cache#get(java.lang.Object) */
	@Override
	public Object get(Object key) {
		Element element = ehcache.get(key);
		return element == null ? null : element.getObjectValue();
	}

	/* @see com.impetus.kundera.cache.Cache#put(java.lang.Object, java.lang.Object) */
	@Override
	public void put(Object key, Object value) {
		ehcache.put(new Element(key, value));
	}

	/* @see com.impetus.kundera.cache.Cache#remove(java.lang.Object) */
	@Override
	public boolean remove(Object key) {
		return ehcache.remove(key);
	}

	/* @see com.impetus.kundera.cache.Cache#size() */
	@Override
	public int size() {
		return ehcache.getSize();
	}

}