org.apache.flink.runtime.rest.handler.job.metrics.JobMetricsHandler 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,
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* See the License for the specific language governing permissions and
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*/
package org.apache.flink.runtime.rest.handler.job.metrics;
import org.apache.flink.api.common.time.Time;
import org.apache.flink.runtime.rest.handler.HandlerRequest;
import org.apache.flink.runtime.rest.handler.legacy.metrics.MetricFetcher;
import org.apache.flink.runtime.rest.handler.legacy.metrics.MetricStore;
import org.apache.flink.runtime.rest.messages.EmptyRequestBody;
import org.apache.flink.runtime.rest.messages.JobIDPathParameter;
import org.apache.flink.runtime.rest.messages.job.metrics.JobMetricsHeaders;
import org.apache.flink.runtime.rest.messages.job.metrics.JobMetricsMessageParameters;
import org.apache.flink.runtime.webmonitor.RestfulGateway;
import org.apache.flink.runtime.webmonitor.retriever.GatewayRetriever;
import javax.annotation.Nullable;
import java.util.Map;
import java.util.concurrent.CompletableFuture;
/**
* Request handler that returns for a given job a list of all available metrics or the values for a set of metrics.
*/
public class JobMetricsHandler extends AbstractMetricsHandler {
public JobMetricsHandler(
final CompletableFuture localRestAddress,
final GatewayRetriever leaderRetriever,
final Time timeout,
final Map headers,
final MetricFetcher metricFetcher) {
super(localRestAddress, leaderRetriever, timeout, headers, JobMetricsHeaders.getInstance(),
metricFetcher);
}
@Nullable
@Override
protected MetricStore.ComponentMetricStore getComponentMetricStore(
final HandlerRequest request,
final MetricStore metricStore) {
return metricStore.getJobMetricStore(request.getPathParameter(JobIDPathParameter.class).toString());
}
}