/*
* JBoss, Home of Professional Open Source.
* Copyright 2000 - 2008, 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.jboss.cache.commands.write;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jboss.cache.Fqn;
import org.jboss.cache.InvocationContext;
import org.jboss.cache.NodeNotExistsException;
import org.jboss.cache.NodeSPI;
import org.jboss.cache.commands.Visitor;
import org.jboss.cache.notifications.event.NodeModifiedEvent;
import org.jboss.cache.optimistic.DataVersion;
import org.jboss.cache.transaction.GlobalTransaction;
import java.util.Collections;
import java.util.Map;
/**
* Implements functionality defined by {@link org.jboss.cache.Cache#put(String, java.util.Map)}.
*
* @author Mircea.Markus@jboss.com
* @since 2.2
*/
public class PutDataMapCommand extends AbstractVersionedDataCommand
{
public static final int METHOD_ID = 1;
public static final int ERASE_METHOD_ID = 2;
public static final int VERSIONED_METHOD_ID = 37;
public static final int ERASE_VERSIONED_METHOD_ID = 38;
protected static final Log log = LogFactory.getLog(PutDataMapCommand.class);
protected static final boolean trace = log.isTraceEnabled();
/* parameters*/
protected Map data;
public PutDataMapCommand(GlobalTransaction globalTransaction, Fqn fqn, Map data)
{
this.globalTransaction = globalTransaction;
this.fqn = fqn;
this.data = data;
}
public PutDataMapCommand()
{
}
/**
* Adds the provided data map to the data map in the node referenced by the specified Fqn.
*/
public Object perform(InvocationContext ctx)
{
if (trace)
{
log.trace("perform(" + globalTransaction + ", \"" + fqn + "\", " + data + ")");
}
// NodeSPI nodeSPI = dataContainer.peekStrict(globalTransaction, fqn, false);
NodeSPI nodeSPI = ctx.lookUpNode(fqn);
if (nodeSPI == null) throw new NodeNotExistsException("Node " + fqn + " does not exist!");
Map existingData = nodeSPI.getDataDirect();
if (notifier.shouldNotifyOnNodeModified())
{
notifier.notifyNodeModified(fqn, true, NodeModifiedEvent.ModificationType.PUT_MAP, existingData == null ? Collections.emptyMap() : existingData, ctx);
}
nodeSPI.putAllDirect(data);
if (notifier.shouldNotifyOnNodeModified())
{
notifier.notifyNodeModified(fqn, false, NodeModifiedEvent.ModificationType.PUT_MAP, nodeSPI.getDataDirect(), ctx);
}
return null;
}
public Object acceptVisitor(InvocationContext ctx, Visitor visitor) throws Throwable
{
return visitor.visitPutDataMapCommand(ctx, this);
}
public Map getData()
{
return data;
}
public void setData(Map data)
{
this.data = data;
}
public int getCommandId()
{
if (isVersioned())
{
return VERSIONED_METHOD_ID;
}
else
{
return METHOD_ID;
}
}
@Override
public Object[] getParameters()
{
if (isVersioned())
return new Object[]{globalTransaction, fqn, data, false, dataVersion};
else
return new Object[]{globalTransaction, fqn, data, false};
}
@Override
public void setParameters(int commandId, Object[] args)
{
globalTransaction = (GlobalTransaction) args[0];
fqn = (Fqn) args[1];
data = (Map) args[2];
if (isVersionedId(commandId)) dataVersion = (DataVersion) args[4];
}
@Override
protected boolean isVersionedId(int id)
{
return id == VERSIONED_METHOD_ID || id == ERASE_VERSIONED_METHOD_ID;
}
@Override
public boolean equals(Object o)
{
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
if (!super.equals(o)) return false;
PutDataMapCommand that = (PutDataMapCommand) o;
if (data != null ? !data.equals(that.data) : that.data != null) return false;
if (globalTransaction != null ? !globalTransaction.equals(that.globalTransaction) : that.globalTransaction != null)
return false;
return true;
}
@Override
public int hashCode()
{
int result = super.hashCode();
result = 31 * result + (globalTransaction != null ? globalTransaction.hashCode() : 0);
result = 31 * result + (data != null ? data.hashCode() : 0);
return result;
}
@Override
public String toString()
{
return "PutDataMapCommand{" +
"fqn=" + fqn +
", dataVersion=" + dataVersion +
", data=" + data +
", globalTransaction=" + globalTransaction +
'}';
}
}