/*
* Copyright 2011 Red Hat, Inc. and/or its affiliates.
*
* 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
package org.infinispan.commands.write;
import org.infinispan.atomic.Delta;
import org.infinispan.commands.Visitor;
import org.infinispan.container.entries.MVCCEntry;
import org.infinispan.container.versioning.EntryVersion;
import org.infinispan.context.Flag;
import org.infinispan.context.InvocationContext;
import org.infinispan.notifications.cachelistener.CacheNotifier;
import java.util.Set;
import static org.infinispan.util.Util.toStr;
/**
* A form of {@link PutKeyValueCommand} that also applies a version to the entry created.
*
* Note that this command is only used during state transfer. Normally versioning requires transactions,
* and as such it used VersionedPrepareCommand and the regular PutKeyValueCommand.
*
* @author Manik Surtani
* @since 5.1
*/
public class VersionedPutKeyValueCommand extends PutKeyValueCommand {
public static final byte COMMAND_ID = 28;
private EntryVersion version;
public VersionedPutKeyValueCommand() {
}
public VersionedPutKeyValueCommand(Object key, Object value, boolean putIfAbsent, CacheNotifier notifier, long lifespanMillis, long maxIdleTimeMillis, Set<Flag> flags, EntryVersion version) {
super(key, value, putIfAbsent, notifier, lifespanMillis, maxIdleTimeMillis, flags);
this.version = version;
}
public EntryVersion getVersion() {
return version;
}
public void setVersion(EntryVersion version) {
this.version = version;
}
@Override
public Object acceptVisitor(InvocationContext ctx, Visitor visitor) throws Throwable {
return visitor.visitVersionedPutKeyValueCommand(ctx, this);
}
@Override
public Object perform(InvocationContext ctx) throws Throwable {
// Perform the regular put
Object r = super.perform(ctx);
// Apply the version to the entry
MVCCEntry e = (MVCCEntry) ctx.lookupEntry(key);
if (e != null && !(value instanceof Delta)) {
e.setVersion(version);
}
return r;
}
@Override
public byte getCommandId() {
return COMMAND_ID;
}
@Override
public Object[] getParameters() {
return new Object[]{key, value, lifespanMillis, maxIdleTimeMillis, version,
Flag.copyWithoutRemotableFlags(flags), previousRead};
}
@SuppressWarnings("unchecked")
@Override
public void setParameters(int commandId, Object[] parameters) {
if (commandId != COMMAND_ID) throw new IllegalStateException("Invalid method id");
key = parameters[0];
value = parameters[1];
lifespanMillis = (Long) parameters[2];
maxIdleTimeMillis = (Long) parameters[3];
version = (EntryVersion) parameters[4];
flags = (Set<Flag>) parameters[5];
previousRead = (Boolean) parameters[6];
}
@Override
public String toString() {
return new StringBuilder()
.append("VersionedPutKeyValueCommand{key=")
.append(toStr(key))
.append(", value=").append(toStr(value))
.append(", version=").append(version)
.append(", flags=").append(flags)
.append(", putIfAbsent=").append(putIfAbsent)
.append(", lifespanMillis=").append(lifespanMillis)
.append(", maxIdleTimeMillis=").append(maxIdleTimeMillis)
.append("}")
.toString();
}
}