/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.search;
import org.elasticsearch.cluster.service.ClusterService;
import org.elasticsearch.common.util.BigArrays;
import org.elasticsearch.indices.IndicesService;
import org.elasticsearch.node.MockNode;
import org.elasticsearch.plugins.Plugin;
import org.elasticsearch.script.ScriptService;
import org.elasticsearch.search.fetch.FetchPhase;
import org.elasticsearch.search.internal.SearchContext;
import org.elasticsearch.threadpool.ThreadPool;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
public class MockSearchService extends SearchService {
/**
* Marker plugin used by {@link MockNode} to enable {@link MockSearchService}.
*/
public static class TestPlugin extends Plugin {}
private static final Map<SearchContext, Throwable> ACTIVE_SEARCH_CONTEXTS = new ConcurrentHashMap<>();
/** Throw an {@link AssertionError} if there are still in-flight contexts. */
public static void assertNoInFlightContext() {
final Map<SearchContext, Throwable> copy = new HashMap<>(ACTIVE_SEARCH_CONTEXTS);
if (copy.isEmpty() == false) {
throw new AssertionError(
"There are still [" + copy.size()
+ "] in-flight contexts. The first one's creation site is listed as the cause of this exception.",
copy.values().iterator().next());
}
}
/**
* Add an active search context to the list of tracked contexts. Package private for testing.
*/
static void addActiveContext(SearchContext context) {
ACTIVE_SEARCH_CONTEXTS.put(context, new RuntimeException(context.toString()));
}
/**
* Clear an active search context from the list of tracked contexts. Package private for testing.
*/
static void removeActiveContext(SearchContext context) {
ACTIVE_SEARCH_CONTEXTS.remove(context);
}
public MockSearchService(ClusterService clusterService,
IndicesService indicesService, ThreadPool threadPool, ScriptService scriptService,
BigArrays bigArrays, FetchPhase fetchPhase) {
super(clusterService, indicesService, threadPool, scriptService, bigArrays, fetchPhase);
}
@Override
protected void putContext(SearchContext context) {
super.putContext(context);
addActiveContext(context);
}
@Override
protected SearchContext removeContext(long id) {
final SearchContext removed = super.removeContext(id);
if (removed != null) {
removeActiveContext(removed);
}
return removed;
}
}