/*
* JBoss, Home of Professional Open Source
* Copyright 2012 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 copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* 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,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
package org.infinispan.cli.interpreter.statement;
import java.util.List;
import java.util.concurrent.TimeUnit;
import org.infinispan.Cache;
import org.infinispan.cli.interpreter.codec.Codec;
import org.infinispan.cli.interpreter.logging.Log;
import org.infinispan.cli.interpreter.result.EmptyResult;
import org.infinispan.cli.interpreter.result.Result;
import org.infinispan.cli.interpreter.result.StatementException;
import org.infinispan.cli.interpreter.session.Session;
import org.infinispan.util.logging.LogFactory;
/**
* Replaces an existing entry in the cache
*
* @author Tristan Tarrant
* @since 5.2
*/
public class ReplaceStatement implements Statement {
private static final Log log = LogFactory.getLog(ReplaceStatement.class, Log.class);
private enum Options { CODEC };
final KeyData keyData;
final Object oldValue;
final Object newValue;
final Long expires;
final Long maxIdle;
final private List<Option> options;
public ReplaceStatement(final List<Option> options, final KeyData key, final Object newValue, final ExpirationData exp) {
this(options, key, null, newValue, exp);
}
public ReplaceStatement(final List<Option> options, final KeyData key, final Object oldValue, final Object newValue, final ExpirationData exp) {
this.options = options;
this.keyData = key;
this.oldValue = oldValue;
this.newValue = newValue;
if (exp != null) {
this.expires = exp.expires;
this.maxIdle = exp.maxIdle;
} else {
this.expires = null;
this.maxIdle = null;
}
}
@Override
public Result execute(Session session) throws StatementException {
Cache<Object, Object> cache = session.getCache(keyData.getCacheName());
Codec codec = session.getCodec();
if (options.size() > 0) {
for (Option option : options) {
switch (option.toEnum(Options.class)) {
case CODEC: {
if(option.getParameter()==null) {
throw log.missingOptionParameter(option.getName());
} else {
codec = session.getCodec(option.getParameter());
}
break;
}
}
}
}
Object encodedKey = codec.encodeKey(keyData.getKey());
Object encodedOldValue = codec.encodeValue(oldValue);
Object encodedNewValue = codec.encodeValue(newValue);
if (expires == null) {
if(oldValue!=null) {
cache.replace(encodedKey, encodedOldValue, encodedNewValue);
} else {
cache.replace(encodedKey, encodedNewValue);
}
} else if (maxIdle == null) {
if(oldValue!=null) {
cache.replace(encodedKey, encodedOldValue, encodedNewValue, expires, TimeUnit.MILLISECONDS);
} else {
cache.replace(encodedKey, encodedNewValue, expires, TimeUnit.MILLISECONDS);
}
} else {
if(oldValue!=null) {
cache.replace(encodedKey, encodedOldValue, encodedNewValue, expires, TimeUnit.MILLISECONDS, maxIdle, TimeUnit.MILLISECONDS);
} else {
cache.replace(encodedKey, encodedNewValue, expires, TimeUnit.MILLISECONDS, maxIdle, TimeUnit.MILLISECONDS);
}
}
return EmptyResult.RESULT;
}
}