geode-core/src/main/java/org/apache/geode/internal/cache/TxCallbackEventFactoryImpl.java

/*
 * 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;

import org.apache.logging.log4j.Logger;

import org.apache.geode.cache.Operation;
import org.apache.geode.cache.TransactionId;
import org.apache.geode.distributed.DistributedMember;
import org.apache.geode.internal.Assert;
import org.apache.geode.internal.cache.tier.sockets.ClientProxyMembershipID;
import org.apache.geode.internal.cache.versions.VersionTag;
import org.apache.geode.internal.offheap.annotations.Retained;
import org.apache.geode.logging.internal.log4j.api.LogService;

/**
 * Implementation of {@link TxCallbackEventFactory}
 */
public class TxCallbackEventFactoryImpl implements TxCallbackEventFactory {
  private static final Logger logger = LogService.getLogger();

  /** create a callback event for applying a transactional change to the local cache */
  @Override
  @Retained
  public EntryEventImpl createCallbackEvent(final InternalRegion internalRegion,
      Operation op, Object key, Object newValue,
      TransactionId txId, TXRmtEvent txEvent,
      EventID eventId, Object aCallbackArgument,
      FilterRoutingInfo filterRoutingInfo,
      ClientProxyMembershipID bridgeContext,
      TXEntryState txEntryState, VersionTag versionTag,
      long tailKey) {
    DistributedMember originator;
    // txId should not be null even on localOrigin
    Assert.assertTrue(txId != null);
    originator = txId.getMemberId();

    InternalRegion eventRegion = internalRegion;
    if (eventRegion.isUsedForPartitionedRegionBucket()) {
      eventRegion = internalRegion.getPartitionedRegion();
    }

    @Retained
    EntryEventImpl retVal = EntryEventImpl.create(internalRegion, op, key, newValue,
        aCallbackArgument, txEntryState == null, originator);
    boolean returnedRetVal = false;
    try {
      if (bridgeContext != null) {
        retVal.setContext(bridgeContext);
      }

      if (eventRegion.generateEventID()) {
        retVal.setEventId(eventId);
      }

      if (versionTag != null) {
        retVal.setVersionTag(versionTag);
      }

      retVal.setTailKey(tailKey);

      setLocalFilterInfo(internalRegion, filterRoutingInfo, retVal);

      if (internalRegion.isUsedForPartitionedRegionBucket()) {
        BucketRegion bucket = (BucketRegion) internalRegion;
        retVal.setInvokePRCallbacks(BucketRegion.FORCE_LOCAL_LISTENERS_INVOCATION
            || bucket.getBucketAdvisor().isPrimary());
      }
      // No need to computeFilterInfo for primary bucket, as it is done
      // during attach filter info after applying to cache.
      // For secondary buckets, filter routing is calculated in the "remote" routing table.
      // For replicate region, filter routing should be computed after entry commit
      // is applied to cache, as concurrent register interest could occur.
      // That computation occurs in notifyBridgeClient when no local routing is set.
      retVal.setTransactionId(txId);
      returnedRetVal = true;
      return retVal;
    } finally {
      if (!returnedRetVal) {
        retVal.release();
      }
    }
  }

  void setLocalFilterInfo(InternalRegion internalRegion, FilterRoutingInfo filterRoutingInfo,
      EntryEventImpl retVal) {
    FilterRoutingInfo.FilterInfo localRouting = null;
    if (filterRoutingInfo != null) {
      // On tx host hosting the primary bucket, the filter routing is null now as it is
      // calculated after tx is applied to cache.
      // This can only occur on node hosting secondary bucket. Should use the routing
      // computed on remote primary.
      localRouting = filterRoutingInfo.getFilterInfo(internalRegion.getMyId());
      if (localRouting != null) {
        retVal.setLocalFilterInfo(localRouting);
      }
    }
    if (TxCallbackEventFactoryImpl.logger.isTraceEnabled()) {
      TxCallbackEventFactoryImpl.logger.trace(
          "createCBEvent filterRouting={} local routing={}", filterRoutingInfo, localRouting);
    }
  }
}