/*
* 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.write;
import org.infinispan.commands.AbstractFlagAffectedCommand;
import org.infinispan.commands.Visitor;
import org.infinispan.container.entries.MVCCEntry;
import org.infinispan.context.Flag;
import org.infinispan.context.InvocationContext;
import org.infinispan.lifecycle.ComponentStatus;
import org.infinispan.notifications.cachelistener.CacheNotifier;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
/**
* @author Mircea.Markus@jboss.com
* @since 4.0
*/
public class PutMapCommand extends AbstractFlagAffectedCommand implements WriteCommand {
public static final byte COMMAND_ID = 9;
Map<Object, Object> map;
CacheNotifier notifier;
long lifespanMillis = -1;
long maxIdleTimeMillis = -1;
boolean isForwarded = false;
public PutMapCommand() {
}
public PutMapCommand(Map<?, ?> map, CacheNotifier notifier, long lifespanMillis, long maxIdleTimeMillis, Set<Flag> flags) {
this.map = (Map<Object, Object>) map;
this.notifier = notifier;
this.lifespanMillis = lifespanMillis;
this.maxIdleTimeMillis = maxIdleTimeMillis;
this.flags = flags;
}
public void init(CacheNotifier notifier) {
this.notifier = notifier;
}
@Override
public Object acceptVisitor(InvocationContext ctx, Visitor visitor) throws Throwable {
return visitor.visitPutMapCommand(ctx, this);
}
private MVCCEntry lookupMvccEntry(InvocationContext ctx, Object key) {
return (MVCCEntry) ctx.lookupEntry(key);
}
@Override
public Object perform(InvocationContext ctx) throws Throwable {
for (Entry<Object, Object> e : map.entrySet()) {
Object key = e.getKey();
MVCCEntry me = lookupMvccEntry(ctx, key);
if (me != null) {
notifier.notifyCacheEntryModified(key, me.getValue(), true, ctx);
me.setValue(e.getValue());
me.setLifespan(lifespanMillis);
me.setMaxIdle(maxIdleTimeMillis);
}
}
return null;
}
public Map<Object, Object> getMap() {
return map;
}
public void setMap(Map<Object, Object> map) {
this.map = map;
}
@Override
public byte getCommandId() {
return COMMAND_ID;
}
@Override
public Object[] getParameters() {
return new Object[]{map, lifespanMillis, maxIdleTimeMillis, isForwarded, Flag.copyWithoutRemotableFlags(flags)};
}
@Override
public void setParameters(int commandId, Object[] parameters) {
map = (Map<Object, Object>) parameters[0];
lifespanMillis = (Long) parameters[1];
maxIdleTimeMillis = (Long) parameters[2];
isForwarded = (Boolean) parameters[3];
if (parameters.length > 4) {
this.flags = (Set<Flag>) parameters[4];
}
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
PutMapCommand that = (PutMapCommand) o;
if (lifespanMillis != that.lifespanMillis) return false;
if (maxIdleTimeMillis != that.maxIdleTimeMillis) return false;
if (map != null ? !map.equals(that.map) : that.map != null) return false;
return true;
}
@Override
public int hashCode() {
int result = map != null ? map.hashCode() : 0;
result = 31 * result + (int) (lifespanMillis ^ (lifespanMillis >>> 32));
result = 31 * result + (int) (maxIdleTimeMillis ^ (maxIdleTimeMillis >>> 32));
return result;
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append("PutMapCommand{map={");
if (!map.isEmpty()) {
Iterator<Entry<Object, Object>> it = map.entrySet().iterator();
int i = 0;
for (;;) {
Entry<Object, Object> e = it.next();
sb.append(e.getKey()).append('=').append(e.getValue());
if (!it.hasNext()) {
break;
}
if (i > 100) {
sb.append(" ...");
break;
}
sb.append(", ");
i++;
}
}
sb.append("}, flags=").append(flags)
.append(", lifespanMillis=").append(lifespanMillis)
.append(", maxIdleTimeMillis=").append(maxIdleTimeMillis)
.append(", isForwarded=").append(isForwarded)
.append("}");
return sb.toString();
}
@Override
public boolean shouldInvoke(InvocationContext ctx) {
return true;
}
@Override
public boolean isSuccessful() {
return true;
}
@Override
public boolean isConditional() {
return false;
}
@Override
public Set<Object> getAffectedKeys() {
return map.keySet();
}
@Override
public boolean isReturnValueExpected() {
return false;
}
public long getLifespanMillis() {
return lifespanMillis;
}
public long getMaxIdleTimeMillis() {
return maxIdleTimeMillis;
}
@Override
public boolean ignoreCommandOnStatus(ComponentStatus status) {
return false;
}
/**
* For non transactional caches that support concurrent writes (default), the commands are forwarded between nodes,
* e.g.:
* - commands is executed on node A, but some of the keys should be locked on node B
* - the command is send to the main owner (B)
* - B tries to acquire lock on the keys it owns, then forwards the commands to the other owners as well
* - at this last stage, the command has the "isForwarded" flag set to true.
* @return
*/
public boolean isForwarded() {
return isForwarded;
}
/**
* @see #isForwarded()
*/
public void setForwarded(boolean forwarded) {
isForwarded = forwarded;
}
}