| /* |
| * 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.cache.lucene.internal.distributed; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.geode.cache.Cache; |
| import org.apache.geode.cache.Region; |
| import org.apache.geode.cache.asyncqueue.internal.AsyncEventQueueImpl; |
| import org.apache.geode.cache.execute.FunctionContext; |
| import org.apache.geode.cache.execute.RegionFunctionContext; |
| import org.apache.geode.cache.execute.ResultSender; |
| import org.apache.geode.cache.lucene.internal.LuceneServiceImpl; |
| import org.apache.geode.internal.cache.execute.InternalFunction; |
| import org.apache.geode.management.internal.security.ResourcePermissions; |
| import org.apache.geode.security.ResourcePermission; |
| |
| /** |
| * {@link WaitUntilFlushedFunction} will check all the members with index to wait until the events |
| * in current AEQs are flushed into index. This function enables an accessor and client to call to |
| * make sure the current events are processed. |
| */ |
| public class WaitUntilFlushedFunction implements InternalFunction<Object> { |
| private static final long serialVersionUID = 1L; |
| public static final String ID = WaitUntilFlushedFunction.class.getName(); |
| |
| @Override |
| public void execute(FunctionContext context) { |
| RegionFunctionContext ctx = (RegionFunctionContext) context; |
| ResultSender<Boolean> resultSender = ctx.getResultSender(); |
| |
| Region region = ctx.getDataSet(); |
| Cache cache = region.getCache(); |
| WaitUntilFlushedFunctionContext arg = (WaitUntilFlushedFunctionContext) ctx.getArguments(); |
| if (arg == null) { |
| return; |
| } |
| String indexName = arg.getIndexName(); |
| if (indexName == null) { |
| throw new IllegalArgumentException("Missing index name"); |
| } |
| long timeout = arg.getTimeout(); |
| TimeUnit unit = arg.getTimeunit(); |
| |
| boolean result = false; |
| String aeqId = LuceneServiceImpl.getUniqueIndexName(indexName, region.getFullPath()); |
| AsyncEventQueueImpl queue = (AsyncEventQueueImpl) cache.getAsyncEventQueue(aeqId); |
| if (queue != null) { |
| try { |
| result = queue.waitUntilFlushed(timeout, unit); |
| } catch (InterruptedException e) { |
| } |
| |
| } else { |
| throw new IllegalStateException( |
| "The AEQ does not exist for the index " + indexName + " region " + region.getFullPath()); |
| } |
| resultSender.lastResult(result); |
| } |
| |
| @Override |
| public String getId() { |
| return ID; |
| } |
| |
| @Override |
| public boolean optimizeForWrite() { |
| return true; |
| } |
| |
| @Override |
| public Collection<ResourcePermission> getRequiredPermissions(String regionName) { |
| return Collections.singletonList(ResourcePermissions.DATA_READ); |
| } |
| } |