Package org.infinispan.marshall.jboss.externalizers

Source Code of org.infinispan.marshall.jboss.externalizers.InternalCachedEntryExternalizer

/*
* JBoss, Home of Professional Open Source.
* Copyright 2009, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.infinispan.marshall.jboss.externalizers;

import net.jcip.annotations.Immutable;
import org.infinispan.container.entries.InternalCacheEntry;
import org.infinispan.container.entries.InternalEntryFactory;
import org.infinispan.marshall.jboss.MarshallUtil;
import org.jboss.marshalling.Creator;
import org.jboss.marshalling.Externalizer;

import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;

/**
* InternalCachedEntryExternalizer.
*
* @author Galder Zamarreño
* @since 4.0
*/
@Immutable
public class InternalCachedEntryExternalizer implements Externalizer {

   /**
    * The serialVersionUID
    */
   private static final long serialVersionUID = -3475239737916428837L;

   public void writeExternal(Object subject, ObjectOutput output) throws IOException {
      InternalCacheEntry ice = (InternalCacheEntry) subject;
      output.writeObject(ice.getKey());
      output.writeObject(ice.getValue());
      if (ice.canExpire()) {
         output.writeBoolean(true);
         MarshallUtil.writeUnsignedLong(output, ice.getCreated());
         output.writeLong(ice.getLifespan()); // could be negative so should not use unsigned longs
         MarshallUtil.writeUnsignedLong(output, ice.getLastUsed());
         output.writeLong(ice.getMaxIdle()); // could be negative so should not use unsigned longs
      } else {
         output.writeBoolean(false);
      }
   }

   public Object createExternal(Class<?> subjectType, ObjectInput input, Creator defaultCreator)
         throws IOException, ClassNotFoundException {
      Object k = input.readObject();
      Object v = input.readObject();
      boolean canExpire = input.readBoolean();
      if (canExpire) {
         long created = MarshallUtil.readUnsignedLong(input);
         long lifespan = input.readLong(); // could be negative so should not use unsigned longs
         long lastUsed = MarshallUtil.readUnsignedLong(input);
         long maxIdle = input.readLong(); // could be negative so should not use unsigned longs
         return InternalEntryFactory.create(k, v, created, lifespan, lastUsed, maxIdle);
      } else {
         return InternalEntryFactory.create(k, v);
      }
   }

   public void readExternal(Object subject, ObjectInput input) throws IOException,
                                                                      ClassNotFoundException {
      // No-op
   }
}
TOP

Related Classes of org.infinispan.marshall.jboss.externalizers.InternalCachedEntryExternalizer

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.