org.apache.geode.internal.cache.xmlcache.SerializerCreation Maven / Gradle / Ivy

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Apache Geode provides a database-like consistency model, reliable transaction processing and a shared-nothing architecture to maintain very low latency performance with high concurrency processing

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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.geode.internal.cache.xmlcache;

import org.apache.geode.DataSerializable;
import org.apache.geode.DataSerializer;
import org.apache.geode.Instantiator;
import org.apache.geode.internal.i18n.LocalizedStrings;
import org.apache.geode.internal.logging.LogService;
import org.apache.geode.internal.logging.log4j.LocalizedMessage;

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

import org.apache.logging.log4j.Logger;

/**
 *
 */
public class SerializerCreation {
  private static final Logger logger = LogService.getLogger();

  private final Vector serializerReg = new Vector();
  private final HashMap instantiatorReg = new HashMap();

  public static class InstantiatorImpl extends Instantiator {
    private Class m_class;

    /**
     * @param c
     * @param classId
     */
    public InstantiatorImpl(Class c, int classId) {
      super(c, classId);
      m_class = c;
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.apache.geode.Instantiator#newInstance()
     */
    @Override
    public DataSerializable newInstance() {
      try {
        return (DataSerializable) m_class.newInstance();
      } catch (Exception ex) {
        logger.error(
            LocalizedMessage.create(LocalizedStrings.SerializerCreation_A_0_INSTANTIATION_FAILED,
                new Object[] {m_class.getName()}),
            ex);
        return null;
      }
    }
  }

  public SerializerCreation() {}

  public void registerSerializer(Class c) {
    serializerReg.add(c);
  }

  public void registerInstantiator(Class c, Integer id) {
    instantiatorReg.put(c, id);
  }

  public void create() {
    final boolean isDebugEnabled = logger.isDebugEnabled();
    for (Class c : serializerReg) {
      if (isDebugEnabled) {
        logger.debug("Registering serializer: {}", c.getName());
      }
      DataSerializer.register(c);
    }

    for (Map.Entry e : instantiatorReg.entrySet()) {
      final Class k = e.getKey();
      if (isDebugEnabled) {
        logger.debug("Registering instantiator: {}", k.getName());
      }
      Instantiator.register(new InstantiatorImpl(k, e.getValue()));
    }
  }

  public Vector getSerializerRegistrations() {
    return serializerReg;
  }

  public HashMap getInstantiatorRegistrations() {
    return instantiatorReg;
  }
}