rmetzger commented on a change in pull request #14852: URL: https://github.com/apache/flink/pull/14852#discussion_r570089870
########## File path: flink-runtime/src/main/java/org/apache/flink/runtime/scheduler/declarative/WaitingForResources.java ########## @@ -0,0 +1,162 @@ +/* + * 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.scheduler.declarative; + +import org.apache.flink.api.common.JobStatus; +import org.apache.flink.runtime.executiongraph.ArchivedExecutionGraph; +import org.apache.flink.runtime.executiongraph.ExecutionGraph; +import org.apache.flink.runtime.jobmaster.slotpool.ResourceCounter; + +import org.slf4j.Logger; + +import javax.annotation.Nullable; + +import java.time.Duration; + +/** + * State which describes that the scheduler is waiting for resources in order to execute the job. + */ +class WaitingForResources implements State, ResourceConsumer { + + private final Context context; + + private final Logger logger; + + private final ResourceCounter desiredResources; + + WaitingForResources(Context context, Logger logger, ResourceCounter desiredResources) { + this.context = context; + this.logger = logger; + this.desiredResources = desiredResources; + } + + @Override + public void onEnter() { + context.runIfState(this, this::resourceTimeout, Duration.ofSeconds(10L)); + notifyNewResourcesAvailable(); + } + + @Override + public void cancel() { + context.goToFinished(context.getArchivedExecutionGraph(JobStatus.CANCELED, null)); + } + + @Override + public void suspend(Throwable cause) { + context.goToFinished(context.getArchivedExecutionGraph(JobStatus.SUSPENDED, cause)); + } + + @Override + public JobStatus getJobStatus() { + return JobStatus.INITIALIZING; + } + + @Override + public ArchivedExecutionGraph getJob() { + return context.getArchivedExecutionGraph(getJobStatus(), null); + } + + @Override + public void handleGlobalFailure(Throwable cause) { + context.goToFinished(context.getArchivedExecutionGraph(JobStatus.FAILED, cause)); Review comment: note to reviewers: I changed this from Till's original POC code. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org
