cache/src/main/java/org/jclouds/karaf/cache/BasicCacheProvider.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.jclouds.karaf.cache;

import com.google.common.collect.HashMultimap;
import com.google.common.collect.Multimap;

import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

public class BasicCacheProvider implements CacheProvider {

    private static Map<String, Multimap<String,String>> caches = new ConcurrentHashMap<String, Multimap<String,String>>();

    public synchronized  Multimap<String,String> getProviderCacheForType(String type) {
        if  (caches.containsKey(type)) {
            return caches.get(type);
        } else {

             Multimap<String,String> cache =  HashMultimap.<String,String>create();
            caches.put(type, cache);
            return cache;
        }
    }
}