/*
* 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.ignite.internal.visor.query;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import org.apache.ignite.IgniteException;
import org.apache.ignite.compute.ComputeJobResult;
import org.apache.ignite.internal.processors.query.GridRunningQueryInfo;
import org.apache.ignite.internal.processors.task.GridInternal;
import org.apache.ignite.internal.util.typedef.internal.U;
import org.apache.ignite.internal.visor.VisorJob;
import org.apache.ignite.internal.visor.VisorMultiNodeTask;
import org.jetbrains.annotations.Nullable;
/**
* Task to collect currently running queries.
*/
@GridInternal
public class VisorRunningQueriesCollectorTask extends VisorMultiNodeTask<VisorRunningQueriesCollectorTaskArg, Map<UUID, Collection<VisorRunningQuery>>, Collection<VisorRunningQuery>> {
/** */
private static final long serialVersionUID = 0L;
/** {@inheritDoc} */
@Override protected VisorCollectRunningQueriesJob job(VisorRunningQueriesCollectorTaskArg arg) {
return new VisorCollectRunningQueriesJob(arg, debug);
}
/** {@inheritDoc} */
@Nullable @Override protected Map<UUID, Collection<VisorRunningQuery>> reduce0(List<ComputeJobResult> results) throws IgniteException {
Map<UUID, Collection<VisorRunningQuery>> map = new HashMap<>();
for (ComputeJobResult res : results)
if (res.getException() == null) {
Collection<VisorRunningQuery> queries = res.getData();
map.put(res.getNode().id(), queries);
}
return map;
}
/**
* Job to collect currently running queries from node.
*/
private static class VisorCollectRunningQueriesJob
extends VisorJob<VisorRunningQueriesCollectorTaskArg, Collection<VisorRunningQuery>> {
/** */
private static final long serialVersionUID = 0L;
/**
* Create job with specified argument.
*
* @param arg Job argument.
* @param debug Flag indicating whether debug information should be printed into node log.
*/
protected VisorCollectRunningQueriesJob(@Nullable VisorRunningQueriesCollectorTaskArg arg, boolean debug) {
super(arg, debug);
}
/** {@inheritDoc} */
@Override protected Collection<VisorRunningQuery> run(@Nullable VisorRunningQueriesCollectorTaskArg arg)
throws IgniteException {
assert arg != null;
Collection<GridRunningQueryInfo> queries = ignite.context().query()
.runningQueries(arg.getDuration());
Collection<VisorRunningQuery> res = new ArrayList<>(queries.size());
long curTime = U.currentTimeMillis();
for (GridRunningQueryInfo qry : queries)
res.add(new VisorRunningQuery(qry.id(), qry.query(), qry.queryType(), qry.cache(),
qry.startTime(), curTime - qry.startTime(),
qry.cancelable(), qry.local()));
return res;
}
}
}