org.apache.hama.bsp.sync.SyncServiceFactory.java Source code

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Here is the source code for org.apache.hama.bsp.sync.SyncServiceFactory.java

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/**
 * 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.apache.hama.bsp.sync;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.util.ReflectionUtils;

public class SyncServiceFactory {
    public static final String SYNC_SERVER_CLASS = "hama.sync.server.class";
    public static final String SYNC_CLIENT_CLASS = "hama.sync.client.class";
    public static final String SYNC_MASTER_CLASS = "hama.sync.master.class";

    /**
     * Returns a sync client via reflection based on what was configured.
     */
    public static PeerSyncClient getPeerSyncClient(Configuration conf) throws ClassNotFoundException {
        return (PeerSyncClient) ReflectionUtils.newInstance(
                conf.getClassByName(conf.get(SYNC_CLIENT_CLASS, ZooKeeperSyncClientImpl.class.getName())), conf);
    }

    public static SyncClient getMasterSyncClient(Configuration conf) throws ClassNotFoundException {
        return (SyncClient) ReflectionUtils.newInstance(
                conf.getClassByName(conf.get(SYNC_MASTER_CLASS, ZKSyncBSPMasterClient.class.getName())), conf);
    }

    /**
     * Returns a sync server via reflection based on what was configured.
     */
    public static SyncServer getSyncServer(Configuration conf) throws ClassNotFoundException {
        return (SyncServer) ReflectionUtils.newInstance(conf.getClassByName(conf.get(SYNC_SERVER_CLASS,
                org.apache.hama.bsp.sync.ZooKeeperSyncServerImpl.class.getCanonicalName())), conf);
    }

    /**
     * Returns a sync server runner via reflection based on what was configured.
     */
    public static SyncServerRunner getSyncServerRunner(Configuration conf) {
        return new SyncServerRunner(conf);
    }

}