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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.cache.client.internal;
import com.gemstone.gemfire.InternalGemFireError;
import com.gemstone.gemfire.cache.client.ServerOperationException;
import com.gemstone.gemfire.i18n.LogWriterI18n;
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.Part;
import com.gemstone.gemfire.pdx.internal.EnumInfo;
import com.gemstone.gemfire.pdx.internal.PdxType;
/**
* Retrieve the PDXType, given an integer PDX id, from a server.
* @author darrel
* @since 6.6.2
*/
public class GetPDXIdForEnumOp {
/**
* Register a bunch of instantiators on a server
* using connections from the given pool
* to communicate with the server.
* @param pool the pool to use to communicate with the server.
*/
public static int execute(ExecutablePool pool,
EnumInfo ei)
{
AbstractOp op = new GetPDXIdForEnumOpImpl(pool.getLoggerI18n(), ei);
return ((Integer) pool.execute(op)).intValue();
}
private GetPDXIdForEnumOp() {
// no instances allowed
}
private static class GetPDXIdForEnumOpImpl extends AbstractOp {
/**
* @throws com.gemstone.gemfire.SerializationException if serialization fails
*/
public GetPDXIdForEnumOpImpl(LogWriterI18n lw, EnumInfo ei) {
super(lw, MessageType.GET_PDX_ID_FOR_ENUM, 1);
getMessage().addObjPart(ei);
}
@Override
protected Object processResponse(Message msg) throws Exception {
Part part = msg.getPart(0);
final int msgType = msg.getMessageType();
if (msgType == MessageType.RESPONSE) {
return Integer.valueOf(part.getInt());
} else {
if (msgType == MessageType.EXCEPTION) {
String s = "While performing a remote " + "getPdxIdForEnum";
throw new ServerOperationException(s, (Throwable) part.getObject());
// Get the exception toString part.
// This was added for c++ thin client and not used in java
// Part exceptionToStringPart = msg.getPart(1);
} else if (isErrorResponse(msgType)) {
throw new ServerOperationException(part.getString());
} else {
throw new InternalGemFireError("Unexpected message type "
+ MessageType.getString(msgType));
}
}
}
@Override
protected boolean isErrorResponse(int msgType) {
return false;
}
@Override
protected long startAttempt(ConnectionStats stats) {
return stats.startGetPDXTypeById();
}
@Override
protected void endSendAttempt(ConnectionStats stats, long start) {
stats.endGetPDXTypeByIdSend(start, hasFailed()); /* reusing type stats instead of adding enum ones */
}
@Override
protected void endAttempt(ConnectionStats stats, long start) {
stats.endGetPDXTypeById(start, hasTimedOut(), hasFailed());
}
@Override
protected void processSecureBytes(Connection cnx, Message message)
throws Exception {
}
@Override
protected boolean needsUserId() {
return false;
}
//Don't send the transaction id for this message type.
@Override
protected boolean participateInTransaction() {
return false;
}
//TODO - no idea what this mumbo jumbo means, but it's on
//most of the other messages like this.
@Override
protected void sendMessage(Connection cnx) throws Exception {
getMessage().setEarlyAck((byte)(getMessage().getEarlyAckByte() & Message.MESSAGE_HAS_SECURE_PART));
getMessage().send(false);
}
}
}