/*
* 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.commands.remote;
import org.infinispan.commands.ReplicableCommand;
import org.infinispan.commands.VisitableCommand;
import org.infinispan.commands.tx.TransactionBoundaryCommand;
import org.infinispan.context.InvocationContext;
import org.infinispan.util.logging.Log;
import org.infinispan.util.logging.LogFactory;
import java.util.Arrays;
import java.util.List;
/**
* Command that implements cluster replication logic.
* <p/>
* This is not a {@link VisitableCommand} and hence not passed up the {@link org.infinispan.interceptors.base.CommandInterceptor}
* chain.
* <p/>
*
* @author Mircea.Markus@jboss.com
* @since 4.0
*/
public class MultipleRpcCommand extends BaseRpcInvokingCommand {
public static final byte COMMAND_ID = 2;
private static final Log log = LogFactory.getLog(MultipleRpcCommand.class);
private static final boolean trace = log.isTraceEnabled();
private ReplicableCommand[] commands;
private MultipleRpcCommand() {
super(null); // For command id uniqueness test
}
public MultipleRpcCommand(List<ReplicableCommand> modifications, String cacheName) {
super(cacheName);
commands = modifications.toArray(new ReplicableCommand[modifications.size()]);
}
public MultipleRpcCommand(String cacheName) {
super(cacheName);
}
/**
* Executes commands replicated to the current cache instance by other cache instances.
*/
@Override
public Object perform(InvocationContext ctx) throws Throwable {
if (trace) log.tracef("Executing remotely originated commands: %d", commands.length);
for (ReplicableCommand command : commands) {
if (command instanceof TransactionBoundaryCommand) {
command.perform(null);
} else {
processVisitableCommand(command);
}
}
return null;
}
@Override
public byte getCommandId() {
return COMMAND_ID;
}
public ReplicableCommand[] getCommands() {
return commands;
}
@Override
public Object[] getParameters() {
int numCommands = commands.length;
Object[] retval = new Object[numCommands];
System.arraycopy(commands, 0, retval, 0, numCommands);
return retval;
}
@Override
@SuppressWarnings("unchecked")
public void setParameters(int commandId, Object[] args) {
int numCommands = args.length;
commands = new ReplicableCommand[numCommands];
System.arraycopy(args, 0, commands, 0, numCommands);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof MultipleRpcCommand)) return false;
MultipleRpcCommand that = (MultipleRpcCommand) o;
if (cacheName != null ? !cacheName.equals(that.cacheName) : that.cacheName != null) return false;
if (!Arrays.equals(commands, that.commands)) return false;
if (interceptorChain != null ? !interceptorChain.equals(that.interceptorChain) : that.interceptorChain != null)
return false;
return true;
}
@Override
public int hashCode() {
int result = interceptorChain != null ? interceptorChain.hashCode() : 0;
result = 31 * result + (commands != null ? Arrays.hashCode(commands) : 0);
result = 31 * result + (cacheName != null ? cacheName.hashCode() : 0);
return result;
}
@Override
public String toString() {
return "MultipleRpcCommand{" +
"commands=" + (commands == null ? null : Arrays.asList(commands)) +
", cacheName='" + cacheName + '\'' +
'}';
}
@Override
public boolean isReturnValueExpected() {
return false;
}
}