/* * 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.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.HashSet; import java.util.Set; import org.apache.logging.log4j.Logger; import org.apache.geode.DataSerializer; import org.apache.geode.cache.CacheException; import org.apache.geode.cache.CacheWriterException; import org.apache.geode.cache.EntryExistsException; import org.apache.geode.cache.EntryNotFoundException; import org.apache.geode.cache.Operation; import org.apache.geode.cache.RegionDestroyedException; import org.apache.geode.cache.client.PoolFactory; import org.apache.geode.distributed.DistributedMember; import org.apache.geode.distributed.internal.DM; import org.apache.geode.distributed.internal.DirectReplyProcessor; 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.ReplySender; import org.apache.geode.distributed.internal.membership.InternalDistributedMember; import org.apache.geode.internal.Assert; import org.apache.geode.internal.ByteArrayDataInput; import org.apache.geode.internal.InternalDataSerializer; import org.apache.geode.internal.NanoTimer; import org.apache.geode.internal.Version; import org.apache.geode.internal.cache.BucketRegion; import org.apache.geode.internal.cache.DataLocationException; import org.apache.geode.internal.cache.DistributedPutAllOperation.EntryVersionsList; import org.apache.geode.internal.cache.DistributedRemoveAllOperation; import org.apache.geode.internal.cache.DistributedRemoveAllOperation.RemoveAllEntryData; import org.apache.geode.internal.cache.EntryEventImpl; import org.apache.geode.internal.cache.EnumListenerEvent; import org.apache.geode.internal.cache.EventID; import org.apache.geode.internal.cache.ForceReattemptException; import org.apache.geode.internal.cache.LocalRegion; import org.apache.geode.internal.cache.PartitionedRegion; import org.apache.geode.internal.cache.PartitionedRegionDataStore; import org.apache.geode.internal.cache.PutAllPartialResultException; import org.apache.geode.internal.cache.PutAllPartialResultException.PutAllPartialResult; import org.apache.geode.internal.cache.ha.ThreadIdentifier; import org.apache.geode.internal.cache.tier.sockets.ClientProxyMembershipID; import org.apache.geode.internal.cache.tier.sockets.VersionedObjectList; import org.apache.geode.internal.cache.versions.ConcurrentCacheModificationException; import org.apache.geode.internal.cache.versions.VersionTag; import org.apache.geode.internal.i18n.LocalizedStrings; import org.apache.geode.internal.logging.LogService; import org.apache.geode.internal.logging.log4j.LogMarker; import org.apache.geode.internal.offheap.annotations.Released; import org.apache.geode.internal.offheap.annotations.Retained; /** * PR removeAll * * @since GemFire 8.1 */ public final class RemoveAllPRMessage extends PartitionMessageWithDirectReply { private static final Logger logger = LogService.getLogger(); private RemoveAllEntryData[] removeAllPRData; private int removeAllPRDataSize = 0; private Integer bucketId; /** * An additional object providing context for the operation, e.g., for BridgeServer notification */ ClientProxyMembershipID bridgeContext; /** true if no callbacks should be invoked */ private boolean skipCallbacks; private Object callbackArg; protected static final short HAS_BRIDGE_CONTEXT = UNRESERVED_FLAGS_START; protected static final short SKIP_CALLBACKS = (HAS_BRIDGE_CONTEXT << 1); private transient InternalDistributedSystem internalDs; /** whether direct-acknowledgement is desired */ private transient boolean directAck = false; /** * state from operateOnRegion that must be preserved for transmission from the waiting pool */ transient boolean result = false; transient VersionedObjectList versions = null; /** * Empty constructor to satisfy {@link DataSerializer} requirements */ public RemoveAllPRMessage() {} public RemoveAllPRMessage(int bucketId, int size, boolean notificationOnly, boolean posDup, boolean skipCallbacks, Object callbackArg) { this.bucketId = Integer.valueOf(bucketId); removeAllPRData = new RemoveAllEntryData[size]; this.notificationOnly = notificationOnly; this.posDup = posDup; this.skipCallbacks = skipCallbacks; this.callbackArg = callbackArg; initTxMemberId(); } public void addEntry(RemoveAllEntryData entry) { this.removeAllPRData[this.removeAllPRDataSize++] = entry; } public void initMessage(PartitionedRegion r, Set recipients, boolean notifyOnly, DirectReplyProcessor p) { setInternalDs(r.getSystem()); setDirectAck(false); this.resetRecipients(); if (recipients != null) { setRecipients(recipients); } this.regionId = r.getPRId(); this.processor = p; this.processorId = p == null ? 0 : p.getProcessorId(); if (p != null && this.isSevereAlertCompatible()) { p.enableSevereAlertProcessing(); } this.notificationOnly = notifyOnly; } @Override public boolean isSevereAlertCompatible() { // allow forced-disconnect processing for all cache op messages return true; } public void setPossibleDuplicate(boolean posDup) { this.posDup = posDup; } public int getSize() { return removeAllPRDataSize; } public Set getKeys() { Set keys = new HashSet(getSize()); for (int i = 0; i < removeAllPRData.length; i++) { if (removeAllPRData[i] != null) { keys.add(removeAllPRData[i].getKey()); } } return keys; } /** * Sends a PartitionedRegion RemoveAllPRMessage to the recipient * * @param recipient the member to which the message is sent * @param r the PartitionedRegion for which the op was performed * @return the processor used to await acknowledgement that the op was sent, or null to indicate * that no acknowledgement will be sent * @throws ForceReattemptException if the peer is no longer available */ public PartitionResponse send(DistributedMember recipient, PartitionedRegion r) throws ForceReattemptException { // Assert.assertTrue(recipient != null, "RemoveAllPRMessage NULL recipient"); recipient can be // null for event notifications Set recipients = Collections.singleton(recipient); RemoveAllResponse p = new RemoveAllResponse(r.getSystem(), recipients); initMessage(r, recipients, false, p); setTransactionDistributed(r.getCache().getTxManager().isDistributed()); if (logger.isDebugEnabled()) { logger.debug("RemoveAllPRMessage.send: recipient is {}, msg is {}", recipient, this); } Set failures = r.getDistributionManager().putOutgoing(this); if (failures != null && failures.size() > 0) { throw new ForceReattemptException("Failed sending <" + this + ">"); } return p; } public void setBridgeContext(ClientProxyMembershipID contx) { Assert.assertTrue(contx != null); this.bridgeContext = contx; } public int getDSFID() { return PR_REMOVE_ALL_MESSAGE; } @Override public void fromData(DataInput in) throws IOException, ClassNotFoundException { super.fromData(in); this.bucketId = Integer.valueOf((int) InternalDataSerializer.readSignedVL(in)); if ((flags & HAS_BRIDGE_CONTEXT) != 0) { this.bridgeContext = DataSerializer.readObject(in); } Version sourceVersion = InternalDataSerializer.getVersionForDataStream(in); this.callbackArg = DataSerializer.readObject(in); this.removeAllPRDataSize = (int) InternalDataSerializer.readUnsignedVL(in); this.removeAllPRData = new RemoveAllEntryData[removeAllPRDataSize]; if (this.removeAllPRDataSize > 0) { final Version version = InternalDataSerializer.getVersionForDataStreamOrNull(in); final ByteArrayDataInput bytesIn = new ByteArrayDataInput(); for (int i = 0; i < this.removeAllPRDataSize; i++) { this.removeAllPRData[i] = new RemoveAllEntryData(in, null, i, version, bytesIn); } boolean hasTags = in.readBoolean(); if (hasTags) { EntryVersionsList versionTags = EntryVersionsList.create(in); for (int i = 0; i < this.removeAllPRDataSize; i++) { this.removeAllPRData[i].versionTag = versionTags.get(i); } } } } @Override public void toData(DataOutput out) throws IOException { super.toData(out); if (bucketId == null) { InternalDataSerializer.writeSignedVL(-1, out); } else { InternalDataSerializer.writeSignedVL(bucketId.intValue(), out); } if (this.bridgeContext != null) { DataSerializer.writeObject(this.bridgeContext, out); } DataSerializer.writeObject(this.callbackArg, out); InternalDataSerializer.writeUnsignedVL(this.removeAllPRDataSize, out); if (this.removeAllPRDataSize > 0) { EntryVersionsList versionTags = new EntryVersionsList(removeAllPRDataSize); boolean hasTags = false; for (int i = 0; i < this.removeAllPRDataSize; i++) { // If sender's version is >= 7.0.1 then we can send versions list. if (!hasTags && removeAllPRData[i].versionTag != null) { hasTags = true; } VersionTag<?> tag = removeAllPRData[i].versionTag; versionTags.add(tag); removeAllPRData[i].versionTag = null; removeAllPRData[i].toData(out); removeAllPRData[i].versionTag = tag; // RemoveAllEntryData's toData did not serialize eventID to save // performance for DR, but in PR, // we pack it for each entry since we used fake eventID } out.writeBoolean(hasTags); if (hasTags) { InternalDataSerializer.invokeToData(versionTags, out); } } } @Override protected short computeCompressedShort(short s) { s = super.computeCompressedShort(s); if (this.bridgeContext != null) s |= HAS_BRIDGE_CONTEXT; if (this.skipCallbacks) s |= SKIP_CALLBACKS; return s; } @Override protected void setBooleans(short s, DataInput in) throws IOException, ClassNotFoundException { super.setBooleans(s, in); this.skipCallbacks = ((s & SKIP_CALLBACKS) != 0); } @Override public EventID getEventID() { if (this.removeAllPRData.length > 0) { return this.removeAllPRData[0].getEventID(); } return null; } /** * This method is called upon receipt and make the desired changes to the PartitionedRegion Note: * It is very important that this message does NOT cause any deadlocks as the sender will wait * indefinitely for the acknowledgement */ @Override protected final boolean operateOnPartitionedRegion(DistributionManager dm, PartitionedRegion r, long startTime) throws EntryExistsException, ForceReattemptException, DataLocationException { boolean sendReply = true; InternalDistributedMember eventSender = getSender(); try { result = doLocalRemoveAll(r, eventSender, true); } catch (ForceReattemptException fre) { sendReply(getSender(), getProcessorId(), dm, new ReplyException(fre), r, startTime); return false; } if (sendReply) { sendReply(getSender(), getProcessorId(), dm, null, r, startTime); } return false; } /* we need a event with content for waitForNodeOrCreateBucket() */ @Retained public EntryEventImpl getFirstEvent(PartitionedRegion r) { if (removeAllPRDataSize == 0) { return null; } @Retained EntryEventImpl ev = EntryEventImpl.create(r, removeAllPRData[0].getOp(), removeAllPRData[0].getKey(), null /* value */, this.callbackArg, false /* originRemote */, getSender(), true/* generate Callbacks */, removeAllPRData[0].getEventID()); return ev; } @Override protected Object clone() throws CloneNotSupportedException { // TODO Auto-generated method stub return super.clone(); } /** * This method is called by both operateOnPartitionedRegion() when processing a remote msg or by * sendMsgByBucket() when processing a msg targeted to local Jvm. PartitionedRegion Note: It is * very important that this message does NOT cause any deadlocks as the sender will wait * indefinitely for the acknowledgment * * @param r partitioned region * @param eventSender the endpoint server who received request from client * @param cacheWrite if true invoke cacheWriter before desrtoy * @return If succeeds, return true, otherwise, throw exception */ @edu.umd.cs.findbugs.annotations.SuppressWarnings(value = "IMSE_DONT_CATCH_IMSE") public final boolean doLocalRemoveAll(PartitionedRegion r, InternalDistributedMember eventSender, boolean cacheWrite) throws EntryExistsException, ForceReattemptException, DataLocationException { boolean didRemove = false; long clientReadTimeOut = PoolFactory.DEFAULT_READ_TIMEOUT; if (r.hasServerProxy()) { clientReadTimeOut = r.getServerProxy().getPool().getReadTimeout(); if (logger.isDebugEnabled()) { logger.debug("RemoveAllPRMessage: doLocalRemoveAll: clientReadTimeOut is {}", clientReadTimeOut); } } DistributedRemoveAllOperation op = null; @Released EntryEventImpl baseEvent = null; BucketRegion bucketRegion = null; PartitionedRegionDataStore ds = r.getDataStore(); InternalDistributedMember myId = r.getDistributionManager().getDistributionManagerId(); try { if (!notificationOnly) { // bucketRegion is not null only when !notificationOnly bucketRegion = ds.getInitializedBucketForId(null, bucketId); this.versions = new VersionedObjectList(this.removeAllPRDataSize, true, bucketRegion.getAttributes().getConcurrencyChecksEnabled()); // create a base event and a DPAO for RemoveAllMessage distributed btw redundant buckets baseEvent = EntryEventImpl.create(bucketRegion, Operation.REMOVEALL_DESTROY, null, null, this.callbackArg, true, eventSender, !skipCallbacks, true); // set baseEventId to the first entry's event id. We need the thread id for DACE baseEvent.setEventId(removeAllPRData[0].getEventID()); if (this.bridgeContext != null) { baseEvent.setContext(this.bridgeContext); } baseEvent.setPossibleDuplicate(this.posDup); if (logger.isDebugEnabled()) { logger.debug( "RemoveAllPRMessage.doLocalRemoveAll: eventSender is {}, baseEvent is {}, msg is {}", eventSender, baseEvent, this); } op = new DistributedRemoveAllOperation(baseEvent, removeAllPRDataSize, false); } // Fix the updateMsg misorder issue // Lock the keys when doing postRemoveAll Object keys[] = new Object[removeAllPRDataSize]; for (int i = 0; i < removeAllPRDataSize; ++i) { keys[i] = removeAllPRData[i].getKey(); } if (!notificationOnly) { try { if (removeAllPRData.length > 0) { if (this.posDup && bucketRegion.getConcurrencyChecksEnabled()) { if (logger.isDebugEnabled()) { logger.debug("attempting to locate version tags for retried event"); } // bug #48205 - versions may have already been generated for a posdup event // so try to recover them before wiping out the eventTracker's record // of the previous attempt for (int i = 0; i < removeAllPRDataSize; i++) { if (removeAllPRData[i].versionTag == null) { removeAllPRData[i].versionTag = bucketRegion.findVersionTagForClientBulkOp(removeAllPRData[i].getEventID()); if (removeAllPRData[i].versionTag != null) { removeAllPRData[i].versionTag.replaceNullIDs(bucketRegion.getVersionMember()); } } } } EventID eventID = removeAllPRData[0].getEventID(); ThreadIdentifier membershipID = new ThreadIdentifier(eventID.getMembershipID(), eventID.getThreadID()); bucketRegion.recordBulkOpStart(membershipID); } bucketRegion.waitUntilLocked(keys); boolean lockedForPrimary = false; final ArrayList<Object> succeeded = new ArrayList<Object>(); PutAllPartialResult partialKeys = new PutAllPartialResult(removeAllPRDataSize); Object key = keys[0]; try { bucketRegion.doLockForPrimary(false); lockedForPrimary = true; /* * The real work to be synchronized, it will take long time. We don't worry about * another thread to send any msg which has the same key in this request, because these * request will be blocked by foundKey */ for (int i = 0; i < removeAllPRDataSize; i++) { @Released EntryEventImpl ev = getEventFromEntry(r, myId, eventSender, i, removeAllPRData, notificationOnly, bridgeContext, posDup, skipCallbacks); try { key = ev.getKey(); ev.setRemoveAllOperation(op); // ev will be added into the op in removeLocally() // real operation will be modified into ev in removeLocally() // then in basicPutPart3(), the ev is added into op try { r.getDataView().destroyOnRemote(ev, cacheWrite, null); didRemove = true; if (logger.isDebugEnabled()) { logger.debug( "RemoveAllPRMessage.doLocalRemoveAll:removeLocally success for " + ev); } } catch (EntryNotFoundException ignore) { didRemove = true; if (ev.getVersionTag() == null) { if (logger.isDebugEnabled()) { logger.debug( "doLocalRemoveAll:RemoveAll encoutered EntryNotFoundException: event={}", ev); } } } catch (ConcurrentCacheModificationException e) { didRemove = true; if (logger.isDebugEnabled()) { logger.debug( "RemoveAllPRMessage.doLocalRemoveAll:removeLocally encountered concurrent cache modification for " + ev); } } removeAllPRData[i].setTailKey(ev.getTailKey()); if (!didRemove) { // make sure the region hasn't gone away r.checkReadiness(); ForceReattemptException fre = new ForceReattemptException( "unable to perform remove in RemoveAllPR, but operation should not fail"); fre.setHash(ev.getKey().hashCode()); throw fre; } else { succeeded.add(removeAllPRData[i].getKey()); this.versions.addKeyAndVersion(removeAllPRData[i].getKey(), ev.getVersionTag()); } } finally { ev.release(); } } // for } catch (IllegalMonitorStateException ex) { ForceReattemptException fre = new ForceReattemptException("unable to get lock for primary, retrying... "); throw fre; } catch (CacheWriterException cwe) { // encounter cacheWriter exception partialKeys.saveFailedKey(key, cwe); } finally { try { // Only RemoveAllPRMessage knows if the thread id is fake. Event has no idea. // So we have to manually set useFakeEventId for this op op.setUseFakeEventId(true); r.checkReadiness(); bucketRegion.getDataView().postRemoveAll(op, this.versions, bucketRegion); } finally { if (lockedForPrimary) { bucketRegion.doUnlockForPrimary(); } } } if (partialKeys.hasFailure()) { partialKeys.addKeysAndVersions(this.versions); if (logger.isDebugEnabled()) { logger.debug( "RemoveAllPRMessage: partial keys applied, map to bucket {}'s keys:{}. Applied {}", bucketId, Arrays.toString(keys), succeeded); } throw new PutAllPartialResultException(partialKeys); } } catch (RegionDestroyedException e) { ds.checkRegionDestroyedOnBucket(bucketRegion, true, e); } finally { bucketRegion.removeAndNotifyKeys(keys); } } else { for (int i = 0; i < removeAllPRDataSize; i++) { EntryEventImpl ev = getEventFromEntry(r, myId, eventSender, i, removeAllPRData, notificationOnly, bridgeContext, posDup, skipCallbacks); try { ev.setOriginRemote(true); if (this.callbackArg != null) { ev.setCallbackArgument(this.callbackArg); } r.invokeDestroyCallbacks(EnumListenerEvent.AFTER_DESTROY, ev, r.isInitialized(), true); } finally { ev.release(); } } } } finally { if (baseEvent != null) baseEvent.release(); if (op != null) op.freeOffHeapResources(); } return true; } public VersionedObjectList getVersions() { return this.versions; } @Override public boolean canStartRemoteTransaction() { return true; } @Retained public static EntryEventImpl getEventFromEntry(LocalRegion r, InternalDistributedMember myId, InternalDistributedMember eventSender, int idx, DistributedRemoveAllOperation.RemoveAllEntryData[] data, boolean notificationOnly, ClientProxyMembershipID bridgeContext, boolean posDup, boolean skipCallbacks) { RemoveAllEntryData dataItem = data[idx]; @Retained EntryEventImpl ev = EntryEventImpl.create(r, dataItem.getOp(), dataItem.getKey(), null, null, false, eventSender, !skipCallbacks, dataItem.getEventID()); boolean evReturned = false; try { ev.setOldValue(dataItem.getOldValue()); if (bridgeContext != null) { ev.setContext(bridgeContext); } ev.setInvokePRCallbacks(!notificationOnly); ev.setPossibleDuplicate(posDup); if (dataItem.filterRouting != null) { ev.setLocalFilterInfo(dataItem.filterRouting.getFilterInfo(myId)); } if (dataItem.versionTag != null) { dataItem.versionTag.replaceNullIDs(eventSender); ev.setVersionTag(dataItem.versionTag); } if (notificationOnly) { ev.setTailKey(-1L); } else { ev.setTailKey(dataItem.getTailKey()); } evReturned = true; return ev; } finally { if (!evReturned) { ev.release(); } } } // override reply processor type from PartitionMessage PartitionResponse createReplyProcessor(PartitionedRegion r, Set recipients, Object key) { return new RemoveAllResponse(r.getSystem(), recipients); } // override reply message type from PartitionMessage @Override protected void sendReply(InternalDistributedMember member, int procId, DM dm, ReplyException ex, PartitionedRegion pr, long startTime) { if (pr != null) { if (startTime > 0) { pr.getPrStats().endPartitionMessagesProcessing(startTime); } if (!pr.getConcurrencyChecksEnabled() && this.versions != null) { this.versions.clear(); } } RemoveAllReplyMessage.send(member, procId, getReplySender(dm), this.result, this.versions, ex); } @Override protected final void appendFields(StringBuffer buff) { super.appendFields(buff); buff.append("; removeAllPRDataSize=").append(removeAllPRDataSize).append("; bucketId=") .append(bucketId); if (this.bridgeContext != null) { buff.append("; bridgeContext=").append(this.bridgeContext); } buff.append("; directAck=").append(this.directAck); for (int i = 0; i < removeAllPRDataSize; i++) { buff.append("; entry" + i + ":").append(removeAllPRData[i].getKey()).append(",") .append(removeAllPRData[i].versionTag); } } public final InternalDistributedSystem getInternalDs() { return internalDs; } public final void setInternalDs(InternalDistributedSystem internalDs) { this.internalDs = internalDs; } public final void setDirectAck(boolean directAck) { this.directAck = directAck; } @Override protected boolean mayAddToMultipleSerialGateways(DistributionManager dm) { return _mayAddToMultipleSerialGateways(dm); } public static final class RemoveAllReplyMessage extends ReplyMessage { /** Result of the RemoveAll operation */ boolean result; VersionedObjectList versions; @Override public boolean getInlineProcess() { return true; } /** * Empty constructor to conform to DataSerializable interface */ public RemoveAllReplyMessage() {} private RemoveAllReplyMessage(int processorId, boolean result, VersionedObjectList versions, ReplyException ex) { super(); this.versions = versions; this.result = result; setProcessorId(processorId); setException(ex); } /** Send an ack */ public static void send(InternalDistributedMember recipient, int processorId, ReplySender dm, boolean result, VersionedObjectList versions, ReplyException ex) { Assert.assertTrue(recipient != null, "RemoveAllReplyMessage NULL reply message"); RemoveAllReplyMessage m = new RemoveAllReplyMessage(processorId, result, versions, ex); 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 public void process(final DM dm, final ReplyProcessor21 rp) { final long startTime = getTimestamp(); if (rp == null) { if (logger.isTraceEnabled(LogMarker.DM)) { logger.trace(LogMarker.DM, "{}: processor not found", this); } return; } if (rp instanceof RemoveAllResponse) { RemoveAllResponse processor = (RemoveAllResponse) rp; processor.setResponse(this); } rp.process(this); if (logger.isTraceEnabled(LogMarker.DM)) { logger.trace(LogMarker.DM, "{} Processed {}", rp, this); } dm.getStats().incReplyMessageTime(NanoTimer.getTime() - startTime); } @Override public int getDSFID() { return PR_REMOVE_ALL_REPLY_MESSAGE; } @Override public void fromData(DataInput in) throws IOException, ClassNotFoundException { super.fromData(in); this.result = in.readBoolean(); this.versions = (VersionedObjectList) DataSerializer.readObject(in); } @Override public void toData(DataOutput out) throws IOException { super.toData(out); out.writeBoolean(this.result); DataSerializer.writeObject(this.versions, out); } @Override public String toString() { StringBuffer sb = new StringBuffer(); sb.append("RemoveAllReplyMessage ").append("processorid=").append(this.processorId) .append(" returning ").append(this.result).append(" exception=").append(getException()) .append(" versions= ").append(this.versions); return sb.toString(); } } /** * A processor to capture the value returned by {@link RemoveAllPRMessage} * * @since GemFire 8.1 */ public static class RemoveAllResponse extends PartitionResponse { private volatile boolean returnValue; private VersionedObjectList versions; public RemoveAllResponse(InternalDistributedSystem ds, Set recipients) { super(ds, recipients, false); } public void setResponse(RemoveAllReplyMessage response) { this.returnValue = response.result; if (response.versions != null) { this.versions = response.versions; this.versions.replaceNullIDs(response.getSender()); } } /** * @return the result of the remote removeAll operation * @throws ForceReattemptException if the peer is no longer available * @throws CacheException if the peer generates an error */ public RemoveAllResult waitForResult() throws CacheException, ForceReattemptException { try { waitForCacheException(); } catch (ForceReattemptException e) { throw e; } return new RemoveAllResult(this.returnValue, this.versions); } } public static class RemoveAllResult { /** the result of the operation */ public boolean returnValue; /** version information for the changes made to the cache */ public VersionedObjectList versions; public RemoveAllResult(boolean flag, VersionedObjectList versions) { this.returnValue = flag; this.versions = versions; } @Override public String toString() { return "RemoveAllResult(" + this.returnValue + ", " + this.versions + ")"; } } }