SingletonEmbeddedCassandra.java

/*******************************************************************************
 * /***
 *  *
 *  *  Copyright 2013 Netflix, Inc.
 *  *
 *  *     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.netflix.paas.cassandra.provider;

import com.netflix.astyanax.test.EmbeddedCassandra;

public class SingletonEmbeddedCassandra {
    
    private final EmbeddedCassandra         cassandra;
    private static class Holder {
        private final static SingletonEmbeddedCassandra instance = new SingletonEmbeddedCassandra();
    }
    
    
    public static SingletonEmbeddedCassandra getInstance() {
        return Holder.instance;
    }
    
    public SingletonEmbeddedCassandra() {
        try {
            cassandra = new EmbeddedCassandra();
            cassandra.start();
        } catch (Exception e) {
            throw new RuntimeException("Failed to start embedded cassandra", e);
        }
    }
    
    public void finalize() {
        try {
            cassandra.stop();
        }
        catch (Exception e) {
            
        }
    }
}