org.apache.flink.runtime.rest.handler.taskmanager.TaskmanagerAllSubtaskCurrentAttemptsHandler 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
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package org.apache.flink.runtime.rest.handler.taskmanager;
import org.apache.flink.api.common.time.Time;
import org.apache.flink.runtime.clusterframework.types.ResourceID;
import org.apache.flink.runtime.concurrent.FutureUtils;
import org.apache.flink.runtime.rest.handler.AbstractRestHandler;
import org.apache.flink.runtime.rest.handler.HandlerRequest;
import org.apache.flink.runtime.rest.handler.RestHandlerException;
import org.apache.flink.runtime.rest.handler.legacy.ExecutionGraphCache;
import org.apache.flink.runtime.rest.handler.legacy.TaskManagerExecutionVertexCache;
import org.apache.flink.runtime.rest.messages.EmptyRequestBody;
import org.apache.flink.runtime.rest.messages.MessageHeaders;
import org.apache.flink.runtime.rest.messages.taskmanager.TaskManagerExecutionVertexIdsInfo;
import org.apache.flink.runtime.rest.messages.taskmanager.TaskManagerIdPathParameter;
import org.apache.flink.runtime.rest.messages.taskmanager.TaskManagerMessageParameters;
import org.apache.flink.runtime.webmonitor.RestfulGateway;
import org.apache.flink.runtime.webmonitor.retriever.GatewayRetriever;
import javax.annotation.Nonnull;
import java.util.Map;
import java.util.concurrent.CompletableFuture;
/**
* Request handler for the taskmanager all SubtaskCurrentAttempts.
*/
public class TaskmanagerAllSubtaskCurrentAttemptsHandler extends AbstractRestHandler {
private TaskManagerExecutionVertexCache taskManagerExecutionVertexCache;
private ExecutionGraphCache executionGraphCache;
public TaskmanagerAllSubtaskCurrentAttemptsHandler(
CompletableFuture localRestAddress,
GatewayRetriever leaderRetriever,
Time timeout,
Map responseHeaders,
MessageHeaders messageHeaders,
TaskManagerExecutionVertexCache taskManagerExecutionVertexCache,
ExecutionGraphCache executionGraphCache) {
super(localRestAddress, leaderRetriever, timeout, responseHeaders, messageHeaders);
this.taskManagerExecutionVertexCache = taskManagerExecutionVertexCache;
this.executionGraphCache = executionGraphCache;
}
@Override
protected CompletableFuture handleRequest(@Nonnull HandlerRequest request, @Nonnull RestfulGateway gateway) throws RestHandlerException {
final ResourceID taskManagerResourceId = request.getPathParameter(TaskManagerIdPathParameter.class);
try {
CompletableFuture r = new CompletableFuture<>();
r.complete(new TaskManagerExecutionVertexIdsInfo(
taskManagerExecutionVertexCache.getTaskManagerExecutionVertex(taskManagerResourceId, gateway, executionGraphCache)
));
return r;
} catch (Exception e) {
return FutureUtils.completedExceptionally(e);
}
}
}