| /* |
| * 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.partitioned; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| import java.util.Set; |
| |
| import org.apache.logging.log4j.Logger; |
| |
| import org.apache.geode.SystemFailure; |
| import org.apache.geode.distributed.internal.ClusterDistributionManager; |
| import org.apache.geode.distributed.internal.DistributionMessage; |
| import org.apache.geode.distributed.internal.InternalDistributedSystem; |
| import org.apache.geode.distributed.internal.MessageWithReply; |
| import org.apache.geode.distributed.internal.OperationExecutors; |
| import org.apache.geode.distributed.internal.ReplyException; |
| import org.apache.geode.distributed.internal.ReplyMessage; |
| import org.apache.geode.distributed.internal.ReplyProcessor21; |
| import org.apache.geode.internal.Assert; |
| import org.apache.geode.internal.logging.log4j.LogMarker; |
| import org.apache.geode.internal.serialization.DeserializationContext; |
| import org.apache.geode.internal.serialization.SerializationContext; |
| import org.apache.geode.logging.internal.log4j.api.LogService; |
| |
| |
| public class IdentityUpdateMessage extends DistributionMessage implements MessageWithReply { |
| private static final Logger logger = LogService.getLogger(); |
| |
| private int processorId; |
| |
| private int newId; |
| |
| /** |
| * Empty constructor to support DataSerializable instantiation |
| */ |
| public IdentityUpdateMessage() {} |
| |
| public IdentityUpdateMessage(Set recipients, int processorId, int newId) { |
| setRecipients(recipients); |
| this.processorId = processorId; |
| this.newId = newId; |
| } |
| |
| @Override |
| public int getProcessorType() { |
| return OperationExecutors.HIGH_PRIORITY_EXECUTOR; |
| } |
| |
| @Override |
| protected void process(ClusterDistributionManager dm) { |
| try { |
| if (logger.isTraceEnabled(LogMarker.DM_VERBOSE)) { |
| logger.trace(LogMarker.DM_VERBOSE, "{}: processing message {}", getClass().getName(), this); |
| } |
| |
| IdentityRequestMessage.setLatestId(this.newId); |
| |
| ReplyMessage.send(getSender(), getProcessorId(), null, dm); |
| } catch (VirtualMachineError err) { |
| SystemFailure.initiateFailure(err); |
| // If this ever returns, rethrow the error. We're poisoned |
| // now, so don't let this thread continue. |
| throw err; |
| } catch (Throwable t) { |
| // Whenever you catch Error or Throwable, you must also |
| // catch VirtualMachineError (see above). However, there is |
| // _still_ a possibility that you are dealing with a cascading |
| // error condition, so you also need to check to see if the JVM |
| // is still usable: |
| SystemFailure.checkFailure(); |
| logger.debug("{} Caught throwable {}", this, t.getMessage(), t); |
| } |
| } |
| |
| @Override |
| public int getProcessorId() { |
| return this.processorId; |
| } |
| |
| public static IdentityUpdateResponse send(Set recipients, InternalDistributedSystem is, |
| int currentPRId) { |
| Assert.assertTrue(recipients != null, "IdentityUpdateMessage NULL recipients set"); |
| IdentityRequestMessage.setLatestId(currentPRId); // set local value |
| IdentityUpdateResponse p = new IdentityUpdateResponse(is, recipients); |
| IdentityUpdateMessage m = |
| new IdentityUpdateMessage(recipients, p.getProcessorId(), currentPRId); |
| is.getDistributionManager().putOutgoing(m); // set remote values |
| return p; |
| } |
| |
| |
| @Override |
| public int getDSFID() { |
| return PR_IDENTITY_UPDATE_MESSAGE; |
| } |
| |
| @Override |
| public void fromData(DataInput in, |
| DeserializationContext context) throws IOException, ClassNotFoundException { |
| super.fromData(in, context); |
| this.processorId = in.readInt(); |
| this.newId = in.readInt(); |
| } |
| |
| @Override |
| public void toData(DataOutput out, |
| SerializationContext context) throws IOException { |
| super.toData(out, context); |
| out.writeInt(this.processorId); |
| out.writeInt(this.newId); |
| } |
| |
| @Override |
| public String toString() { |
| return new StringBuffer().append(getClass().getName()).append("(sender=").append(getSender()) |
| .append("; processorId=").append(this.processorId).append("; newPRId=").append(this.newId) |
| .append(")").toString(); |
| } |
| |
| /** |
| * A processor that ignores exceptions, silently removing those nodes that reply with problems |
| * |
| * @since GemFire 5.0 |
| */ |
| public static class IdentityUpdateResponse extends ReplyProcessor21 { |
| |
| public IdentityUpdateResponse(InternalDistributedSystem ds, Set recipients) { |
| super(ds, recipients); |
| } |
| |
| /** |
| * The IdentityResponse processor ignores remote exceptions by implmenting this method. Ignoring |
| * remote exceptions is acceptable since the response is only meant to wait for all healthy |
| * recipients to receive their {@link IdentityUpdateMessage} |
| */ |
| @Override |
| protected synchronized void processException(ReplyException ex) { |
| logger.debug("IdentityUpdateResponse ignoring exception {}", ex.getMessage(), ex); |
| } |
| } |
| } |