com.microsoft.reef.io.network.naming.NamingCodecFactory Maven / Gradle / Ivy

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/**
 * Copyright (C) 2013 Microsoft Corporation
 *
 * 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.microsoft.reef.io.network.naming;

import com.microsoft.reef.io.network.naming.serialization.*;
import com.microsoft.wake.IdentifierFactory;
import com.microsoft.wake.remote.Codec;
import com.microsoft.wake.remote.impl.MultiCodec;

import java.util.HashMap;
import java.util.Map;

/**
 * Factory to create naming codecs
 */
class NamingCodecFactory {

  /**
   * Creates a codec only for lookup
   *
   * @param factory an identifier factory
   * @return a codec
   */
  static Codec createLookupCodec(IdentifierFactory factory) {
    Map, Codec> clazzToCodecMap
        = new HashMap, Codec>();
    clazzToCodecMap.put(NamingLookupRequest.class, new NamingLookupRequestCodec(factory));
    clazzToCodecMap.put(NamingLookupResponse.class, new NamingLookupResponseCodec(factory));
    Codec codec = new MultiCodec(clazzToCodecMap);
    return codec;
  }

  /**
   * Creates a codec only for registration
   *
   * @param factory an identifier factory
   * @return a codec
   */
  static Codec createRegistryCodec(IdentifierFactory factory) {
    Map, Codec> clazzToCodecMap
        = new HashMap, Codec>();
    clazzToCodecMap.put(NamingRegisterRequest.class, new NamingRegisterRequestCodec(factory));
    clazzToCodecMap.put(NamingRegisterResponse.class, new NamingRegisterResponseCodec(new NamingRegisterRequestCodec(factory)));
    clazzToCodecMap.put(NamingUnregisterRequest.class, new NamingUnregisterRequestCodec(factory));
    Codec codec = new MultiCodec(clazzToCodecMap);
    return codec;
  }

  /**
   * Creates a codec for both lookup and registration
   *
   * @param factory an identifier factory
   * @return a codec
   */
  static Codec createFullCodec(IdentifierFactory factory) {
    Map, Codec> clazzToCodecMap
        = new HashMap, Codec>();
    clazzToCodecMap.put(NamingLookupRequest.class, new NamingLookupRequestCodec(factory));
    clazzToCodecMap.put(NamingLookupResponse.class, new NamingLookupResponseCodec(factory));
    clazzToCodecMap.put(NamingRegisterRequest.class, new NamingRegisterRequestCodec(factory));
    clazzToCodecMap.put(NamingRegisterResponse.class, new NamingRegisterResponseCodec(new NamingRegisterRequestCodec(factory)));
    clazzToCodecMap.put(NamingUnregisterRequest.class, new NamingUnregisterRequestCodec(factory));
    Codec codec = new MultiCodec(clazzToCodecMap);
    return codec;
  }
}