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/*
* Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you
* may not use this file except in compliance with the License. You
* may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing
* permissions and limitations under the License. See accompanying
* LICENSE file.
*/
/**
*
*/
package com.gemstone.gemfire.internal.cache.tier.sockets.command;
import com.gemstone.gemfire.cache.client.internal.DestroyOp;
import com.gemstone.gemfire.internal.cache.PartitionedRegion;
import com.gemstone.gemfire.internal.cache.tier.Command;
import com.gemstone.gemfire.internal.cache.tier.MessageType;
import com.gemstone.gemfire.internal.cache.tier.sockets.Message;
import com.gemstone.gemfire.internal.cache.tier.sockets.ServerConnection;
import com.gemstone.gemfire.internal.cache.versions.VersionTag;
import java.io.IOException;
/**
* @author bruces
*
*/
public class Destroy70 extends Destroy65 {
private final static Destroy70 singleton = new Destroy70();
public static Command getCommand() {
return singleton;
}
private Destroy70() {
}
@Override
protected void writeReplyWithRefreshMetadata(Message origMsg,
ServerConnection servConn, PartitionedRegion pr,
boolean entryNotFoundForRemove, byte nwHop, VersionTag versionTag) throws IOException {
Message replyMsg = servConn.getReplyMessage();
servConn.getCache().getCancelCriterion().checkCancelInProgress(null);
replyMsg.setMessageType(MessageType.REPLY);
int flags = 0;
int numParts = 3;
if (versionTag != null) {
flags |= DestroyOp.HAS_VERSION_TAG;
numParts++;
}
flags |= DestroyOp.HAS_ENTRY_NOT_FOUND_PART;
// if (logger.fineEnabled()) {
// logger.fine("writing response with metadata and " + numParts + " parts");
// }
replyMsg.setNumberOfParts(numParts);
replyMsg.setTransactionId(origMsg.getTransactionId());
replyMsg.addIntPart(flags);
if (versionTag != null) {
replyMsg.addObjPart(versionTag);
}
replyMsg.addBytesPart(new byte[]{pr.getMetadataVersion().byteValue(), nwHop});
replyMsg.addIntPart(entryNotFoundForRemove? 1 : 0);
pr.getPrStats().incPRMetaDataSentCount();
replyMsg.send(servConn);
if (logger.finerEnabled()) {
logger.finer(servConn.getName() + ": rpl with REFRESH_METADAT tx: "
+ origMsg.getTransactionId());
}
}
@Override
protected void writeReply(Message origMsg, ServerConnection servConn,
boolean entryNotFound, VersionTag versionTag)
throws IOException {
if (logger.fineEnabled()) {
logger.fine("Destroy70.writeReply(entryNotFound="+entryNotFound+", tag="+versionTag+")");
}
Message replyMsg = servConn.getReplyMessage();
servConn.getCache().getCancelCriterion().checkCancelInProgress(null);
replyMsg.setMessageType(MessageType.REPLY);
int flags = 0;
int numParts = 3;
if (versionTag != null) {
flags |= DestroyOp.HAS_VERSION_TAG;
numParts++;
}
flags |= DestroyOp.HAS_ENTRY_NOT_FOUND_PART;
// if (logger.fineEnabled()) {
// logger.fine("writing response with 1-byte metadata and " + numParts + " parts");
// }
replyMsg.setNumberOfParts(numParts);
replyMsg.setTransactionId(origMsg.getTransactionId());
replyMsg.addIntPart(flags);
if (versionTag != null) {
// if (logger.fineEnabled()) {
// logger.fine("wrote version tag in response: " + versionTag);
// }
replyMsg.addObjPart(versionTag);
// } else {
// if (logger.fineEnabled()) {
// logger.fine("response has no version tag");
// }
}
replyMsg.addBytesPart(OK_BYTES); // make old single-hop code happy by puting byte[]{0} here
replyMsg.addIntPart(entryNotFound? 1 : 0);
replyMsg.send(servConn);
if (logger.finerEnabled()) {
logger.finer(servConn.getName() + ": rpl tx: "
+ origMsg.getTransactionId() + " parts=" + replyMsg.getNumberOfParts());
}
}
}