| /* |
| * ========================================================================= |
| * Copyright (c) 2002-2014 Pivotal Software, Inc. All Rights Reserved. |
| * This product is protected by U.S. and international copyright |
| * and intellectual property laws. Pivotal products are covered by |
| * more patents listed at http://www.pivotal.io/patents. |
| * ========================================================================= |
| */ |
| |
| package com.gemstone.gemfire.internal.cache.partitioned; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Set; |
| |
| import org.apache.logging.log4j.Logger; |
| |
| import com.gemstone.gemfire.DataSerializer; |
| import com.gemstone.gemfire.cache.CacheException; |
| import com.gemstone.gemfire.cache.EntryNotFoundException; |
| import com.gemstone.gemfire.cache.Operation; |
| import com.gemstone.gemfire.cache.query.QueryException; |
| import com.gemstone.gemfire.distributed.internal.DirectReplyProcessor; |
| import com.gemstone.gemfire.distributed.internal.DistributionManager; |
| import com.gemstone.gemfire.distributed.internal.InternalDistributedSystem; |
| import com.gemstone.gemfire.distributed.internal.ReplyException; |
| import com.gemstone.gemfire.distributed.internal.ReplyMessage; |
| import com.gemstone.gemfire.distributed.internal.membership.InternalDistributedMember; |
| import com.gemstone.gemfire.internal.Assert; |
| import com.gemstone.gemfire.internal.cache.DataLocationException; |
| import com.gemstone.gemfire.internal.cache.EntryEventImpl; |
| import com.gemstone.gemfire.internal.cache.EventID; |
| import com.gemstone.gemfire.internal.cache.ForceReattemptException; |
| import com.gemstone.gemfire.internal.cache.KeyWithRegionContext; |
| import com.gemstone.gemfire.internal.cache.PartitionedRegion; |
| import com.gemstone.gemfire.internal.cache.PartitionedRegionDataStore; |
| import com.gemstone.gemfire.internal.cache.PartitionedRegionHelper; |
| import com.gemstone.gemfire.internal.cache.PrimaryBucketException; |
| import com.gemstone.gemfire.internal.cache.versions.VersionTag; |
| import com.gemstone.gemfire.internal.i18n.LocalizedStrings; |
| import com.gemstone.gemfire.internal.logging.LogService; |
| import com.gemstone.gemfire.internal.logging.log4j.LogMarker; |
| |
| /** |
| * This message is generated based on event received on GatewayReceiver for |
| * updating the time-stamp in a version tag for a RegionEntry. |
| * |
| * @author Shobhit Agarwal |
| * |
| */ |
| public class PRUpdateEntryVersionMessage extends |
| PartitionMessageWithDirectReply { |
| |
| private static final Logger logger = LogService.getLogger(); |
| |
| /** The key associated with the value that must be sent */ |
| private Object key; |
| |
| /** The operation performed on the sender */ |
| private Operation op; |
| |
| /** event identifier */ |
| private EventID eventId; |
| |
| protected VersionTag versionTag; |
| |
| /** for deserialization */ |
| public PRUpdateEntryVersionMessage() { |
| } |
| |
| /** |
| * @param recipients |
| * @param regionId |
| * @param processor |
| */ |
| public PRUpdateEntryVersionMessage( |
| Collection<InternalDistributedMember> recipients, int regionId, |
| DirectReplyProcessor processor) { |
| super(recipients, regionId, processor); |
| } |
| |
| /** |
| * @param recipients |
| * @param regionId |
| * @param processor |
| * @param event |
| */ |
| public PRUpdateEntryVersionMessage(Set recipients, int regionId, |
| DirectReplyProcessor processor, EntryEventImpl event) { |
| super(recipients, regionId, processor, event); |
| this.key = event.getKey(); |
| this.op = event.getOperation(); |
| this.eventId = event.getEventId(); |
| this.versionTag = event.getVersionTag(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see com.gemstone.gemfire.internal.DataSerializableFixedID#getDSFID() |
| */ |
| @Override |
| public int getDSFID() { |
| return PR_UPDATE_ENTRY_VERSION_MESSAGE; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see com.gemstone.gemfire.internal.cache.partitioned.PartitionMessage# |
| * operateOnPartitionedRegion |
| * (com.gemstone.gemfire.distributed.internal.DistributionManager, |
| * com.gemstone.gemfire.internal.cache.PartitionedRegion, long) |
| */ |
| @Override |
| protected boolean operateOnPartitionedRegion(DistributionManager dm, |
| PartitionedRegion pr, long startTime) throws CacheException, |
| QueryException, DataLocationException, InterruptedException, IOException { |
| if (pr.keyRequiresRegionContext()) { |
| ((KeyWithRegionContext) key).setRegionContext(pr); |
| } |
| |
| final EntryEventImpl event = EntryEventImpl.create(pr, getOperation(), |
| getKey(), null, /* newValue */ |
| null, /* callbackargs */ |
| false /* originRemote - false to force distribution in buckets */, |
| getSender() /* eventSender */, false /* generateCallbacks */, false /* initializeId */); |
| event.disallowOffHeapValues(); |
| |
| Assert.assertTrue(eventId != null); |
| if (this.versionTag != null) { |
| event.setVersionTag(this.versionTag); |
| } |
| event.setEventId(eventId); |
| event.setPossibleDuplicate(this.posDup); |
| event.setInvokePRCallbacks(false); |
| event.setCausedByMessage(this); |
| |
| boolean sendReply = true; |
| |
| if (!notificationOnly) { |
| |
| PartitionedRegionDataStore ds = pr.getDataStore(); |
| Assert.assertTrue(ds != null, |
| "This process should have storage for an item in " + this.toString()); |
| try { |
| Integer bucket = Integer.valueOf(PartitionedRegionHelper |
| .getHashKey(event)); |
| |
| pr.getDataView().updateEntryVersion(event); |
| |
| if (logger.isTraceEnabled(LogMarker.DM)) { |
| logger.debug("{}: updateEntryVersionLocally in bucket: {}, key: {}", getClass().getName(), bucket, key); |
| } |
| } catch (EntryNotFoundException eee) { |
| // failed = true; |
| if (logger.isDebugEnabled()) { |
| logger.debug("{}: operateOnRegion caught EntryNotFoundException", getClass().getName()); |
| } |
| sendReply(getSender(), getProcessorId(), dm, null /* |
| * No need to send |
| * exception back |
| */, pr, startTime); |
| sendReply = false; // this prevents us from acknowledging later |
| } catch (PrimaryBucketException pbe) { |
| sendReply(getSender(), getProcessorId(), dm, new ReplyException(pbe), |
| pr, startTime); |
| return false; |
| } |
| |
| } |
| return sendReply; |
| } |
| |
| private Operation getOperation() { |
| return this.op; |
| } |
| |
| private Object getKey() { |
| return this.key; |
| } |
| |
| @Override |
| public void fromData(DataInput in) throws IOException, ClassNotFoundException { |
| super.fromData(in); |
| this.key = DataSerializer.readObject(in); |
| this.op = Operation.fromOrdinal(in.readByte()); |
| this.eventId = (EventID) DataSerializer.readObject(in); |
| this.versionTag = DataSerializer.readObject(in); |
| } |
| |
| @Override |
| public void toData(DataOutput out) throws IOException { |
| super.toData(out); |
| DataSerializer.writeObject(getKey(), out); |
| out.writeByte(this.op.ordinal); |
| DataSerializer.writeObject(this.eventId, out); |
| DataSerializer.writeObject(this.versionTag, out); |
| } |
| |
| /** |
| * Assists the toString method in reporting the contents of this message |
| * |
| * @see PartitionMessage#toString() |
| */ |
| |
| @Override |
| protected void appendFields(StringBuffer buff) { |
| super.appendFields(buff); |
| buff.append("; key=").append(getKey()); |
| buff.append("; op=").append(this.op); |
| |
| if (eventId != null) { |
| buff.append("; eventId=").append(eventId); |
| } |
| if (this.versionTag != null) { |
| buff.append("; version=").append(this.versionTag); |
| } |
| } |
| |
| /** |
| * Response for PartitionMessage {@link PRUpdateEntryVersionMessage}. |
| * |
| */ |
| public static final class UpdateEntryVersionResponse extends |
| PartitionResponse { |
| |
| private volatile boolean versionUpdated; |
| private final Object key; |
| |
| public UpdateEntryVersionResponse(InternalDistributedSystem dm, |
| InternalDistributedMember member, Object k) { |
| super(dm, member); |
| this.key = k; |
| } |
| |
| public UpdateEntryVersionResponse(InternalDistributedSystem dm, |
| Set recipients, Object k) { |
| super(dm, recipients, false); |
| this.key = k; |
| } |
| |
| public void setResponse(ReplyMessage msg) { |
| this.versionUpdated = true; |
| } |
| |
| /** |
| * @throws ForceReattemptException if the peer is no longer available |
| * @throws CacheException if the peer generates an error |
| */ |
| public void waitForResult() throws CacheException, ForceReattemptException { |
| try { |
| waitForCacheException(); |
| } catch (ForceReattemptException e) { |
| e.checkKey(key); |
| throw e; |
| } |
| |
| if (!this.versionUpdated) { |
| if (logger.isDebugEnabled()) { |
| logger.debug("UpdateEntryVersionResponse: Update entry version failed for key: {}", key); |
| } |
| } |
| } |
| } |
| |
| public static UpdateEntryVersionResponse send( |
| InternalDistributedMember recipient, PartitionedRegion r, |
| EntryEventImpl event) throws ForceReattemptException { |
| Set recipients = Collections.singleton(recipient); |
| UpdateEntryVersionResponse p = new UpdateEntryVersionResponse( |
| r.getSystem(), recipient, event.getKey()); |
| PRUpdateEntryVersionMessage m = new PRUpdateEntryVersionMessage(recipients, |
| r.getPRId(), p, event); |
| |
| Set failures = r.getDistributionManager().putOutgoing(m); |
| if (failures != null && failures.size() > 0) { |
| throw new ForceReattemptException( |
| LocalizedStrings.UpdateEntryVersionMessage_FAILED_SENDING_0 |
| .toLocalizedString(m)); |
| } |
| return p; |
| } |
| } |