CouchbaseEnvironmentFactory.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 gobblin.couchbase.writer;

import com.couchbase.client.java.env.CouchbaseEnvironment;
import com.couchbase.client.java.env.DefaultCouchbaseEnvironment;
import com.typesafe.config.Config;


/**
 * A factory to hand out {@link com.couchbase.client.java.env.CouchbaseEnvironment} instances
 */
public class CouchbaseEnvironmentFactory {

  private static CouchbaseEnvironment couchbaseEnvironment = null;

  /**
   * Currently hands out a singleton DefaultCouchbaseEnvironment.
   * This is done because it is recommended to use a single couchbase environment instance per JVM.
   * TODO: Determine if we need to use the config to tweak certain parameters
   * @param config
   * @return
   */
  public static synchronized CouchbaseEnvironment getInstance(Config config)
  {
    if (couchbaseEnvironment == null)
    {
      return DefaultCouchbaseEnvironment.create();
    }
    else {
      return couchbaseEnvironment;
    }
  }
}