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Infinispan core module

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/*
 * JBoss, Home of Professional Open Source
 * Copyright 2009 Red Hat Inc. and/or its affiliates and other
 * contributors as indicated by the @author tags. All rights reserved.
 * See the copyright.txt 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.context;

import java.util.Set;

import org.infinispan.remoting.transport.Address;

/**
 * A context that contains information pertaining to a given invocation.  These contexts typically have the lifespan of
 * a single invocation.
 *
 * @author Manik Surtani ([email protected])
 * @author [email protected]
 * @since 4.0
 */
public interface InvocationContext extends EntryLookup, Cloneable {

   /**
    * Returns true if the call was originated locally, false if it is the result of a remote rpc.
    */
   boolean isOriginLocal();
   
   /**
    * Get the origin of the command, or null if the command originated locally
    * @return
    */
   Address getOrigin();

   /**
    * Returns true if this call is performed in the context of an transaction, false otherwise.
    */
   boolean isInTxScope();

   /**
    * Returns the in behalf of which locks will be aquired.
    */
   Object getLockOwner();

   /**
    * Clones the invocation context.
    *
    * @return A cloned instance of this invocation context instance
    */
   InvocationContext clone();

   /**
    * Returns the set of keys that are locked for writing.
    */
   Set