org.apache.flink.runtime.dispatcher.MemoryArchivedExecutionGraphStore Maven / Gradle / Ivy
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* 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.flink.runtime.dispatcher;
import org.apache.flink.api.common.JobID;
import org.apache.flink.runtime.executiongraph.ArchivedExecutionGraph;
import org.apache.flink.runtime.jobgraph.JobStatus;
import org.apache.flink.runtime.messages.webmonitor.JobDetails;
import org.apache.flink.runtime.messages.webmonitor.JobsOverview;
import org.apache.flink.runtime.webmonitor.WebMonitorUtils;
import javax.annotation.Nullable;
import java.io.IOException;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.stream.Collectors;
/**
* {@link ArchivedExecutionGraphStore} implementation which stores the {@link ArchivedExecutionGraph}
* in memory.
*/
public class MemoryArchivedExecutionGraphStore implements ArchivedExecutionGraphStore {
private final Map serializableExecutionGraphs = new HashMap<>(4);
@Override
public int size() {
return serializableExecutionGraphs.size();
}
@Nullable
@Override
public ArchivedExecutionGraph get(JobID jobId) {
return serializableExecutionGraphs.get(jobId);
}
@Override
public void put(ArchivedExecutionGraph serializableExecutionGraph) throws IOException {
serializableExecutionGraphs.put(serializableExecutionGraph.getJobID(), serializableExecutionGraph);
}
@Override
public JobsOverview getStoredJobsOverview() {
Collection allJobStatus = serializableExecutionGraphs.values().stream()
.map(ArchivedExecutionGraph::getState)
.collect(Collectors.toList());
return JobsOverview.create(allJobStatus);
}
@Override
public Collection getAvailableJobDetails() {
return serializableExecutionGraphs.values().stream()
.map(WebMonitorUtils::createDetailsForJob)
.collect(Collectors.toList());
}
@Nullable
@Override
public JobDetails getAvailableJobDetails(JobID jobId) {
final ArchivedExecutionGraph archivedExecutionGraph = serializableExecutionGraphs.get(jobId);
if (archivedExecutionGraph != null) {
return WebMonitorUtils.createDetailsForJob(archivedExecutionGraph);
} else {
return null;
}
}
@Override
public void close() throws IOException {
serializableExecutionGraphs.clear();
}
}