geode-core/src/main/java/org/apache/geode/internal/cache/tier/sockets/command/Put70.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for additional information regarding
 * copyright ownership. The ASF licenses this file to You 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.
 */
package org.apache.geode.internal.cache.tier.sockets.command;

import java.io.IOException;

import org.apache.geode.annotations.Immutable;
import org.apache.geode.cache.client.internal.PutOp;
import org.apache.geode.internal.cache.PartitionedRegion;
import org.apache.geode.internal.cache.tier.Command;
import org.apache.geode.internal.cache.tier.MessageType;
import org.apache.geode.internal.cache.tier.sockets.Message;
import org.apache.geode.internal.cache.tier.sockets.ServerConnection;
import org.apache.geode.internal.cache.versions.VersionTag;

public class Put70 extends Put65 {

  @Immutable
  private static final Put70 singleton = new Put70();

  public static Command getCommand() {
    return singleton;
  }

  private Put70() {}

  @Override
  protected void writeReply(Message origMsg, ServerConnection servConn, boolean sendOldValue,
      boolean oldValueIsObject, Object oldValue, VersionTag versionTag) throws IOException {
    Message replyMsg = servConn.getReplyMessage();
    servConn.getCache().getCancelCriterion().checkCancelInProgress(null);
    replyMsg.setMessageType(MessageType.REPLY);
    int flags = 0;
    int parts = 2;
    if (sendOldValue) {
      flags |= PutOp.HAS_OLD_VALUE_FLAG;
      if (oldValueIsObject) {
        flags |= PutOp.OLD_VALUE_IS_OBJECT_FLAG;
      }
      parts++;
    }
    if (versionTag != null) {
      flags |= PutOp.HAS_VERSION_TAG;
      parts++;
    }
    replyMsg.setNumberOfParts(parts);
    replyMsg.setTransactionId(origMsg.getTransactionId());
    replyMsg.addBytesPart(okBytes());
    replyMsg.addIntPart(flags);
    if (sendOldValue) {
      replyMsg.addObjPart(oldValue);
    }
    if (versionTag != null) {
      replyMsg.addObjPart(versionTag);
    }
    replyMsg.send(servConn);
    if (logger.isTraceEnabled()) {
      logger.trace("{}: rpl tx: {} parts={}", servConn.getName(), origMsg.getTransactionId(),
          replyMsg.getNumberOfParts());
    }
  }

  @Override
  protected void writeReplyWithRefreshMetadata(Message origMsg, ServerConnection servConn,
      PartitionedRegion pr, boolean sendOldValue, boolean oldValueIsObject, Object oldValue,
      byte nwHopType, VersionTag versionTag) throws IOException {
    Message replyMsg = servConn.getReplyMessage();
    servConn.getCache().getCancelCriterion().checkCancelInProgress(null);
    replyMsg.setMessageType(MessageType.REPLY);
    int flags = 0;
    int parts = 1;
    parts++; // flags
    if (sendOldValue) {
      flags |= PutOp.HAS_OLD_VALUE_FLAG;
      if (oldValueIsObject) {
        flags |= PutOp.OLD_VALUE_IS_OBJECT_FLAG;
      }
      parts++;
    }
    if (versionTag != null) {
      flags |= PutOp.HAS_VERSION_TAG;
      parts++;
    }
    replyMsg.setNumberOfParts(parts);
    replyMsg.setTransactionId(origMsg.getTransactionId());
    replyMsg.addBytesPart(new byte[] {pr.getMetadataVersion(), nwHopType});
    replyMsg.addIntPart(flags);
    if (sendOldValue) {
      // if (logger.fineEnabled()) {
      // logger.fine("sending old value in Put response");
      // }
      replyMsg.addObjPart(oldValue);
    }
    if (versionTag != null) {
      replyMsg.addObjPart(versionTag);
    }
    replyMsg.send(servConn);
    pr.getPrStats().incPRMetaDataSentCount();
    if (logger.isTraceEnabled()) {
      logger.trace("{}: rpl with REFRESH_METADATA tx: {} parts={}", servConn.getName(),
          origMsg.getTransactionId(), replyMsg.getNumberOfParts());
    }
  }
}