| /* |
| * 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.jobmaster; |
| |
| import org.apache.flink.runtime.clusterframework.types.ResourceID; |
| import org.apache.flink.runtime.executiongraph.ExecutionAttemptID; |
| import org.apache.flink.runtime.taskexecutor.ExecutionDeploymentReport; |
| |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| |
| /** |
| * Default {@link ExecutionDeploymentReconciler} implementation. Detects missing/unknown |
| * deployments, and defers to a provided {@link ExecutionDeploymentReconciliationHandler} to resolve |
| * them. |
| */ |
| public class DefaultExecutionDeploymentReconciler implements ExecutionDeploymentReconciler { |
| |
| private final ExecutionDeploymentReconciliationHandler handler; |
| |
| public DefaultExecutionDeploymentReconciler(ExecutionDeploymentReconciliationHandler handler) { |
| this.handler = handler; |
| } |
| |
| @Override |
| public void reconcileExecutionDeployments( |
| ResourceID taskExecutorHost, |
| ExecutionDeploymentReport executionDeploymentReport, |
| Map<ExecutionAttemptID, ExecutionDeploymentState> expectedDeployedExecutions) { |
| final Set<ExecutionAttemptID> unknownExecutions = |
| new HashSet<>(executionDeploymentReport.getExecutions()); |
| final Set<ExecutionAttemptID> missingExecutions = new HashSet<>(); |
| |
| for (Map.Entry<ExecutionAttemptID, ExecutionDeploymentState> execution : |
| expectedDeployedExecutions.entrySet()) { |
| boolean deployed = unknownExecutions.remove(execution.getKey()); |
| if (!deployed && execution.getValue() != ExecutionDeploymentState.PENDING) { |
| missingExecutions.add(execution.getKey()); |
| } |
| } |
| if (!unknownExecutions.isEmpty()) { |
| handler.onUnknownDeploymentsOf(unknownExecutions, taskExecutorHost); |
| } |
| if (!missingExecutions.isEmpty()) { |
| handler.onMissingDeploymentsOf(missingExecutions, taskExecutorHost); |
| } |
| } |
| } |