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Apache Geode provides a database-like consistency model, reliable transaction processing and a shared-nothing architecture to maintain very low latency performance with high concurrency processing
/*
* 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.HashSet;
import java.util.Set;
import org.apache.logging.log4j.Logger;
import org.apache.geode.SystemFailure;
import org.apache.geode.cache.CacheException;
import org.apache.geode.cache.RegionDestroyedException;
import org.apache.geode.cache.query.Index;
import org.apache.geode.cache.query.QueryException;
import org.apache.geode.distributed.internal.DM;
import org.apache.geode.distributed.internal.DistributionManager;
import org.apache.geode.distributed.internal.InternalDistributedSystem;
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.distributed.internal.membership.InternalDistributedMember;
import org.apache.geode.internal.cache.ForceReattemptException;
import org.apache.geode.internal.cache.PartitionedRegion;
import org.apache.geode.internal.cache.PartitionedRegionException;
import org.apache.geode.internal.i18n.LocalizedStrings;
import org.apache.geode.internal.logging.LogService;
import org.apache.geode.internal.logging.log4j.LocalizedMessage;
import org.apache.geode.internal.logging.log4j.LogMarker;
/**
* This class represents a partition message for removing indexes. An instance of this class is send
* over the wire to remove indexes on remote vms. This class extends PartitionMessage
* {@link org.apache.geode.internal.cache.partitioned.PartitionMessage}
*
*
*/
public final class RemoveIndexesMessage extends PartitionMessage {
private static final Logger logger = LogService.getLogger();
/**
* Represents how many buckets had indexes and got removed.
*/
// private int bucketIndexesRemoved;
/**
* Name of the index to be removed.
*/
private String indexName;
/**
* Boolean indicating only a single index has to be removed.
*/
private boolean removeSingleIndex;
/**
* Constructor.
*/
public RemoveIndexesMessage() {
}
/**
* Constructor for remove indexes to be sent over the wire.
*
* @param recipients members to which this message has to be sent
* @param regionId partitioned region id
* @param processor the processor to reply to
*/
public RemoveIndexesMessage(Set recipients, int regionId, ReplyProcessor21 processor) {
super(recipients, regionId, processor);
}
/**
* Constructor to remove a particular index which will be sent over the wire.
*
* @param recipients members to which this message has to be sent
* @param regionId partitioned region id
* @param processor the processor to reply to
* @param removeSingleIndex boolean indicating to remove a partitular index
*
* @param indexName name of the index to be removed.
*
*/
public RemoveIndexesMessage(Set recipients, int regionId, ReplyProcessor21 processor,
boolean removeSingleIndex, String indexName) {
super(recipients, regionId, processor);
this.removeSingleIndex = removeSingleIndex;
this.indexName = indexName;
}
/**
* This message may be sent to nodes before the PartitionedRegion is completely initialized due to
* the RegionAdvisor(s) knowing about the existance of a partitioned region at a very early part
* of the initialization
*/
@Override
protected final boolean failIfRegionMissing() {
return false;
}
/**
* This method is responsible to remove index on the given partitioned region.
*
* @param dm Distribution maanger for the system
* @param pr Partitioned region to remove indexes on.
*
* @throws CacheException indicates a cache level error
* @throws ForceReattemptException if the peer is no longer available
* @throws InterruptedException if the thread is interrupted in the operation for example during
* shutdown.
*/
@Override
protected boolean operateOnPartitionedRegion(DistributionManager dm, PartitionedRegion pr,
long startTime)
throws CacheException, QueryException, ForceReattemptException, InterruptedException {
// TODO Auto-generated method stub
ReplyException replyEx = null;
boolean result = true;
int bucketIndexRemoved = 0; // invalid
int numIndexesRemoved = 0;
logger.info(LocalizedMessage
.create(LocalizedStrings.RemoveIndexesMessage_WILL_REMOVE_THE_INDEXES_ON_THIS_PR___0, pr));
try {
if (this.removeSingleIndex) {
bucketIndexRemoved = pr.removeIndex(this.indexName);
} else {
bucketIndexRemoved = pr.removeIndexes(true); // remotely orignated
}
numIndexesRemoved = pr.getDataStore().getAllLocalBuckets().size();
} catch (Exception ex) {
result = false;
replyEx = new ReplyException(ex);
}
// send back the reply.
sendReply(getSender(), getProcessorId(), dm, replyEx, result, bucketIndexRemoved,
numIndexesRemoved);
return false;
}
/**
* Send a reply for remove indexes message.
*
* @param member representing the actual index creatro in the system
* @param procId waiting processor
* @param dm distirbution manager to send the message
* @param ex any exceptions
* @param result represents remove index worked properly.
* @param bucketIndexesRemoved number of bucket indexes removed properly.
*/
void sendReply(InternalDistributedMember member, int procId, DM dm, ReplyException ex,
boolean result, int bucketIndexesRemoved, int totalNumBuckets) {
RemoveIndexesReplyMessage.send(member, processorId, dm, ex, result, bucketIndexesRemoved,
totalNumBuckets);
}
/**
* Sends this RemoveIndexesMessage to all the participating members in the system.
*
* @param pr prartitioned region to remove the index on.
* @return PartitionResponse indicating sucessful remove index
*
*/
public static PartitionResponse send(PartitionedRegion pr, Index ind, boolean removeAllIndex) {
RemoveIndexesResponse processor = null;
// PartitionResponse processor = null;
RegionAdvisor advisor = (RegionAdvisor) (pr.getDistributionAdvisor());
final Set recipients = new HashSet(advisor.adviseDataStore());
// removing the originator for remove index command.
recipients.remove(pr.getDistributionManager().getDistributionManagerId());
// RemoveIndexesResponse processor = null;
// RemoveIndexesMessage removeIndexesMsg = new RemoveIndexesMessage();
if (recipients.size() > 0) {
processor =
(RemoveIndexesResponse) (new RemoveIndexesMessage()).createReplyProcessor(pr, recipients);
}
if (removeAllIndex) {
RemoveIndexesMessage rm = new RemoveIndexesMessage(recipients, pr.getPRId(), processor);
/* Set failures = */ pr.getDistributionManager().putOutgoing(rm);
} else {
// remove a single index.
RemoveIndexesMessage rm =
new RemoveIndexesMessage(recipients, pr.getPRId(), processor, true, ind.getName());
/* Set failures = */ pr.getDistributionManager().putOutgoing(rm);
}
return processor;
}
@Override
PartitionResponse createReplyProcessor(PartitionedRegion r, Set recipients) {
return new RemoveIndexesResponse(r.getSystem(), recipients);
}
public int getDSFID() {
return PR_REMOVE_INDEXES_MESSAGE;
}
@Override
public final void fromData(DataInput in) throws IOException, ClassNotFoundException {
super.fromData(in);
this.removeSingleIndex = in.readBoolean();
if (this.removeSingleIndex)
this.indexName = in.readUTF();
}
@Override
public final void toData(DataOutput out) throws IOException {
super.toData(out);
out.writeBoolean(this.removeSingleIndex);
if (this.removeSingleIndex)
out.writeUTF(this.indexName);
}
/**
* Processes remove index on the receiver.
*/
@Override
public final void process(final DistributionManager dm) {
Throwable thr = null;
boolean sendReply = true;
PartitionedRegion pr = null;
try {
logger.info(LocalizedMessage.create(
LocalizedStrings.RemoveIndexesMessage_TRYING_TO_GET_PR_WITH_ID___0, this.regionId));
pr = PartitionedRegion.getPRFromId(this.regionId);
logger.info(LocalizedMessage
.create(LocalizedStrings.RemoveIndexesMessage_REMOVE_INDEXES_MESSAGE_GOT_THE_PR__0, pr));
if (pr == null /* && failIfRegionMissing() */ ) {
throw new PartitionedRegionException(
LocalizedStrings.RemoveIndexesMessage_COULD_NOT_GET_PARTITIONED_REGION_FROM_ID_0_FOR_MESSAGE_1_RECEIVED_ON_MEMBER_2_MAP_3
.toLocalizedString(new Object[] {Integer.valueOf(this.regionId), this, dm.getId(),
PartitionedRegion.dumpPRId()}));
}
// remove the indexes on the pr.
sendReply = operateOnPartitionedRegion(dm, pr, 0);
} catch (PRLocallyDestroyedException pde) {
if (logger.isDebugEnabled()) {
logger.debug("Region is locally Destroyed ");
}
thr = pde;
} 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();
// log the exception at fine level if there is no reply to the message
if (this.processorId == 0) {
logger.debug("{} exception while processing message: {}", this, t.getMessage(), t);
} else if (logger.isTraceEnabled(LogMarker.DM) && (t instanceof RuntimeException)) {
logger.debug("Exception caught while processing message: {}", t.getMessage(), t);
}
if (t instanceof RegionDestroyedException && pr != null) {
if (pr.isClosed) {
logger.info(LocalizedMessage.create(
LocalizedStrings.RemoveIndexesMessage_REGION_IS_LOCALLY_DESTROYED_THROWING_REGIONDESTROYEDEXCEPTION_FOR__0,
pr));
thr = new RegionDestroyedException(
LocalizedStrings.RemoveIndexesMessage_REGION_IS_LOCALLY_DESTROYED_ON_0
.toLocalizedString(dm.getId()),
pr.getFullPath());
}
} else {
thr = t;
}
} finally {
if (sendReply && this.processorId != 0) {
ReplyException rex = null;
if (thr != null) {
rex = new ReplyException(thr);
}
sendReply(getSender(), this.processorId, dm, rex, pr, 0);
}
}
}
/**
* Class representing remove index response. This class has all the information for successful or
* unsucessful remove index on the member of the partitioned region.
*
*
*/
public static class RemoveIndexesResponse extends PartitionResponse {
/**
* Result of remove index.
*/
// boolean result;
/**
* Number of buckets index removed.
*/
private int numBucketIndexRemoved;
/**
* Total number of buckets in the sytem.
*/
private int numTotalRemoteBuckets;
/**
* Constructor.
*/
public RemoveIndexesResponse(InternalDistributedSystem ds, Set recipients) {
super(ds, recipients);
}
/**
* Waits for the response from the members for remove indexes call on this system.
*
* @throws ForceReattemptException
*/
public RemoveIndexesResult waitForResults() throws CacheException, ForceReattemptException {
waitForCacheException();
return new RemoveIndexesResult(0);
}
/**
* Sets the relevant information in the response.
*
* @param result true if index removed properly
* @param numBucketsIndexesRemoved number of buckets indexes removed remotely for a memeber.
* @param numTotalBuckets number of total buckets in the member.
*/
public void setResponse(boolean result, int numBucketsIndexesRemoved, int numTotalBuckets) {
// this.result = result;
this.numBucketIndexRemoved += numBucketsIndexesRemoved;
this.numTotalRemoteBuckets += numTotalBuckets;
}
/**
* Returns number of remotely removed indexes.
*/
public int getRemoteRemovedIndexes() {
return this.numBucketIndexRemoved;
}
/**
* Returns the total number of remote buckets.
*/
public int getTotalRemoteBuckets() {
return this.numTotalRemoteBuckets;
}
}// RemoveIndexResponse
/**
* Class representing remove index results on pr.
*
*/
public static class RemoveIndexesResult {
/**
* Int representing number of total bucket indexes removed.
*/
// private int numBucketIndexRemoved;
/**
* Constructor.
*
* @param numBucketIndexRemoved number of total bucket indexes removed.
*
*/
public RemoveIndexesResult(int numBucketIndexRemoved) {
// this.numBucketIndexRemoved = numBucketIndexRemoved;
}
} // RemoveIndexesResult
/**
* Class for index creation reply. This class has the information about sucessful or unsucessful
* index creation.
*
*/
public static final class RemoveIndexesReplyMessage extends ReplyMessage {
/** Indexes removed or not. */
private boolean result;
/**
* Number of buckets locally remove indexes
*/
private int numBucketsIndexesRemoved;
/** Number of total bukets in this vm. */
private int numTotalBuckets;
/**
* Default constructor.
*
*/
public RemoveIndexesReplyMessage() {
}
/**
* Constructor for index creation reply message.
*
* @param processorId processor id of the waiting processor
* @param ex any exceptions
* @param result ture if indexes removed properly else false
* @param numBucketsIndexesRemoved number of buckets indexed.
* @param numTotalBuckets number of total buckets.
*/
RemoveIndexesReplyMessage(int processorId, ReplyException ex, boolean result,
int numBucketsIndexesRemoved, int numTotalBuckets) {
super();
super.setException(ex);
this.result = result;
this.numBucketsIndexesRemoved = numBucketsIndexesRemoved;
this.numTotalBuckets = numTotalBuckets;
setProcessorId(processorId);
}
@Override
public int getDSFID() {
return PR_REMOVE_INDEXES_REPLY_MESSAGE;
}
@Override
public void fromData(DataInput in) throws IOException, ClassNotFoundException {
super.fromData(in);
this.result = in.readBoolean();
this.numBucketsIndexesRemoved = in.readInt();
this.numTotalBuckets = in.readInt();
}
@Override
public void toData(DataOutput out) throws IOException {
super.toData(out);
out.writeBoolean(this.result);
out.writeInt(this.numBucketsIndexesRemoved);
out.writeInt(this.numTotalBuckets);
}
/**
* Actual method sending the index creation reply message.
*
* @param recipient the originator of index creation message
* @param processorId waiting processor id
* @param dm distribution manager
* @param ex any exceptions
* @param result true is indexes removed sucessfully
* @param numBucketsIndexesRemoved number of buckets indexed
* @param numTotalBuckets total number of buckets
*/
public static void send(InternalDistributedMember recipient, int processorId, DM dm,
ReplyException ex, boolean result, int numBucketsIndexesRemoved, int numTotalBuckets) {
RemoveIndexesReplyMessage rmIndMsg = new RemoveIndexesReplyMessage(processorId, ex, result,
numBucketsIndexesRemoved, numTotalBuckets);
rmIndMsg.setRecipient(recipient);
dm.putOutgoing(rmIndMsg);
}
/**
* Processes this RemoveIndexesReplyMessge on the receiver.
*
* @param dm distribution manager
*/
@Override
public final void process(final DM dm, final ReplyProcessor21 p) {
RemoveIndexesResponse processor = (RemoveIndexesResponse) p;
if (processor != null) {
processor.setResponse(this.result, this.numBucketsIndexesRemoved, this.numTotalBuckets);
processor.process(this);
}
}
} // RemvoeIndexReplyMessage
}