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TIBCO ComputeDB store based off Pivotal GemFireXD
/*
* 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.partitioned;
import com.gemstone.gemfire.DataSerializer;
import com.gemstone.gemfire.cache.CacheException;
import com.gemstone.gemfire.cache.InterestRegistrationEvent;
import com.gemstone.gemfire.distributed.internal.*;
import com.gemstone.gemfire.distributed.internal.membership.InternalDistributedMember;
import com.gemstone.gemfire.i18n.LogWriterI18n;
import com.gemstone.gemfire.internal.cache.ForceReattemptException;
import com.gemstone.gemfire.internal.cache.PartitionedRegion;
import com.gemstone.gemfire.internal.cache.PartitionedRegionDataStore;
import com.gemstone.gemfire.internal.cache.TXStateInterface;
import com.gemstone.gemfire.internal.i18n.LocalizedStrings;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.util.Set;
/**
* This message is used as the notification that a client interest registration or
* unregistration event occurred.
*
* @author Barry Oglesby
* @since 5.8BetaSUISSE
*/
public class InterestEventMessage extends PartitionMessage {
/** The InterestRegistrationEvent */
private InterestRegistrationEvent event;
/**
* Empty constructor to satisfy {@link DataSerializer} requirements
*/
public InterestEventMessage() {
}
private InterestEventMessage(Set recipients, int regionId, int processorId,
final InterestRegistrationEvent event, ReplyProcessor21 processor) {
super(recipients, regionId, processor, null);
this.event = event;
}
@Override
final public int getMessageProcessorType() {
return DistributionManager.STANDARD_EXECUTOR;
}
@Override
protected final boolean operateOnPartitionedRegion(
final DistributionManager dm, PartitionedRegion r, long startTime)
throws ForceReattemptException {
final LogWriterI18n l = r.getCache().getLoggerI18n();
if (DistributionManager.VERBOSE) {
l.fine("InterestEventMessage operateOnPartitionedRegion: "
+ r.getFullPath());
}
PartitionedRegionDataStore ds = r.getDataStore();
if (ds != null) {
try {
ds.handleInterestEvent(this.event);
r.getPrStats().endPartitionMessagesProcessing(startTime);
InterestEventReplyMessage.send(getSender(), getProcessorId(), dm);
}
catch (Exception e) {
sendReply(
getSender(),
getProcessorId(),
dm,
new ReplyException(new ForceReattemptException(
"Caught exception during interest registration processing:", e)),
r, startTime);
return false;
}
}
else {
throw new InternalError(
"InterestEvent message was sent to a member with no storage.");
}
// Unless there was an exception thrown, this message handles sending the
// response
return false;
}
@Override
protected void appendFields(StringBuilder buff) {
super.appendFields(buff);
buff.append("; event=").append(this.event);
}
@Override
public void fromData(DataInput in)
throws IOException, ClassNotFoundException {
super.fromData(in);
this.event = (InterestRegistrationEvent)DataSerializer.readObject(in);
}
@Override
public void toData(DataOutput out)
throws IOException {
super.toData(out);
DataSerializer.writeObject(this.event, out);
}
/**
* Sends an InterestEventMessage message
*
* @param recipients
* the Set of members that the get message is being sent to
* @param region
* the PartitionedRegion for which interest event was received
* @param event
* the InterestRegistrationEvent to send
* @return the InterestEventResponse
* @throws ForceReattemptException
* if the peer is no longer available
*/
public static InterestEventResponse send(Set recipients,
PartitionedRegion region, final InterestRegistrationEvent event)
throws ForceReattemptException {
InterestEventResponse response = new InterestEventResponse(region
.getSystem(), recipients, null);
InterestEventMessage m = new InterestEventMessage(recipients, region
.getPRId(), response.getProcessorId(), event, response);
Set failures = region.getDistributionManager().putOutgoing(m);
if (failures != null && failures.size() > 0) {
throw new ForceReattemptException("Failed sending <" + m + "> to "
+ failures);
}
return response;
}
/**
* This message is used for the reply to a {@link InterestEventMessage}.
*
* @author Barry Oglesby
* @since 5.8BetaSUISSE
*/
public static class InterestEventReplyMessage extends
HighPriorityDistributionMessage {
/** The shared obj id of the ReplyProcessor */
private int processorId;
/**
* Empty constructor to conform to DataSerializable interface
*/
public InterestEventReplyMessage() {
}
private InterestEventReplyMessage(int processorId) {
this.processorId = processorId;
}
/** Send an ack */
public static void send(InternalDistributedMember recipient,
int processorId, DM dm) throws ForceReattemptException {
InterestEventReplyMessage m = new InterestEventReplyMessage(processorId);
m.setRecipient(recipient);
dm.putOutgoing(m);
}
/**
* Processes this message. This method is invoked by the receiver of the
* message.
*
* @param dm
* the distribution manager that is processing the message.
*/
@Override
protected void process(final DistributionManager dm) {
final long startTime = getTimestamp();
LogWriterI18n l = dm.getLoggerI18n();
if (DistributionManager.VERBOSE) {
l
.fine("InterestEventReplyMessage process invoking reply processor with processorId:"
+ this.processorId);
}
try {
ReplyProcessor21 processor = ReplyProcessor21
.getProcessor(this.processorId);
if (processor == null) {
if (DistributionManager.VERBOSE) {
l.fine("InterestEventReplyMessage processor not found");
}
return;
}
processor.process(this);
if (DistributionManager.VERBOSE) {
LogWriterI18n logger = dm.getLoggerI18n();
logger.info(LocalizedStrings.ONE_ARG, processor + " processed " + this);
}
}
finally {
dm.getStats().incReplyMessageTime(
DistributionStats.getStatTime() - startTime);
}
}
@Override
public void toData(DataOutput out) throws IOException {
super.toData(out);
out.writeInt(processorId);
}
@Override
public void fromData(DataInput in) throws IOException,
ClassNotFoundException {
super.fromData(in);
this.processorId = in.readInt();
}
@Override
public String toString() {
StringBuffer sb = new StringBuffer().append("InterestEventReplyMessage ")
.append("processorid=").append(this.processorId).append(
" reply to sender ").append(this.getSender());
return sb.toString();
}
public int getDSFID() {
return INTEREST_EVENT_REPLY_MESSAGE;
}
}
/**
* A processor to capture the value returned by {@link
* com.gemstone.gemfire.internal.cache.partitioned.InterestEventMessage.InterestEventReplyMessage}
*
* @author Barry Oglesby
* @since 5.1
*/
public static class InterestEventResponse extends PartitionResponse {
public InterestEventResponse(InternalDistributedSystem ds, Set recipients,
final TXStateInterface tx) {
super(ds, recipients, tx);
}
/**
* @throws ForceReattemptException if the peer is no longer available
*/
public void waitForResponse() throws ForceReattemptException {
try {
waitForCacheException();
}
catch (ForceReattemptException e) {
final String msg = "InterestEventResponse got ForceReattemptException; rethrowing";
getDistributionManager().getLoggerI18n().fine(msg, e);
throw e;
}
catch (CacheException e) {
final String msg = "InterestEventResponse got remote CacheException, throwing ForceReattemptException";
getDistributionManager().getLoggerI18n().fine(msg, e);
throw new ForceReattemptException(msg, e);
}
}
}
public int getDSFID() {
return INTEREST_EVENT_MESSAGE;
}
}