| /* |
| * 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 java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| import java.util.Set; |
| |
| import org.apache.geode.DataSerializer; |
| import org.apache.geode.distributed.internal.ClusterDistributionManager; |
| import org.apache.geode.distributed.internal.MessageWithReply; |
| import org.apache.geode.distributed.internal.PooledDistributionMessage; |
| import org.apache.geode.distributed.internal.ReplyMessage; |
| import org.apache.geode.distributed.internal.membership.InternalDistributedMember; |
| import org.apache.geode.internal.InternalStatisticsDisabledException; |
| import org.apache.geode.internal.serialization.DeserializationContext; |
| import org.apache.geode.internal.serialization.SerializationContext; |
| |
| /** |
| * Sends the region name and key of the entry that we want the last access time for. If for any |
| * reason this message can not obtain the last access time then zero will be returned. |
| * |
| * @since Geode 1.4 |
| */ |
| public class LatestLastAccessTimeMessage<K> extends PooledDistributionMessage |
| implements MessageWithReply { |
| |
| private int processorId; |
| private String regionName; |
| private K key; |
| |
| public LatestLastAccessTimeMessage() { |
| // nothing |
| } |
| |
| public LatestLastAccessTimeMessage(LatestLastAccessTimeReplyProcessor replyProcessor, |
| Set<InternalDistributedMember> recipients, InternalDistributedRegion region, K key) { |
| this.setRecipients(recipients); |
| this.processorId = replyProcessor.getProcessorId(); |
| this.key = key; |
| this.regionName = region.getFullPath(); |
| } |
| |
| @Override |
| public int getDSFID() { |
| return LATEST_LAST_ACCESS_TIME_MESSAGE; |
| } |
| |
| @Override |
| protected void process(ClusterDistributionManager dm) { |
| long latestLastAccessTime = 0L; |
| InternalCache cache = dm.getCache(); |
| if (cache == null) { |
| return; |
| } |
| InternalDistributedRegion region = |
| (InternalDistributedRegion) cache.getRegion(this.regionName); |
| if (region == null) { |
| return; |
| } |
| RegionEntry entry = region.getRegionEntry(this.key); |
| if (entry == null) { |
| return; |
| } |
| try { |
| latestLastAccessTime = entry.getLastAccessed(); |
| } catch (InternalStatisticsDisabledException ignored) { |
| // last access time is not available |
| } |
| ReplyMessage.send(getSender(), this.processorId, latestLastAccessTime, dm); |
| } |
| |
| @Override |
| public void fromData(DataInput in, |
| DeserializationContext context) throws IOException, ClassNotFoundException { |
| super.fromData(in, context); |
| this.processorId = DataSerializer.readPrimitiveInt(in); |
| this.regionName = DataSerializer.readString(in); |
| this.key = DataSerializer.readObject(in); |
| } |
| |
| @Override |
| public void toData(DataOutput out, |
| SerializationContext context) throws IOException { |
| super.toData(out, context); |
| DataSerializer.writePrimitiveInt(this.processorId, out); |
| DataSerializer.writeString(this.regionName, out); |
| DataSerializer.writeObject(this.key, out); |
| } |
| } |