| /** |
| * 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.heron.instance; |
| |
| import org.apache.heron.common.utils.misc.PhysicalPlanHelper; |
| import org.apache.heron.proto.ckptmgr.CheckpointManager; |
| |
| public final class InstanceControlMsg { |
| private PhysicalPlanHelper newPhysicalPlanHelper; |
| private CheckpointManager.RestoreInstanceStateRequest restoreInstanceStateRequest; |
| private CheckpointManager.StartInstanceStatefulProcessing startInstanceStatefulProcessing; |
| private CheckpointManager.StatefulConsistentCheckpointSaved statefulConsistentCheckpointSaved; |
| |
| private InstanceControlMsg(Builder builder) { |
| this.newPhysicalPlanHelper = builder.newPhysicalPlanHelper; |
| this.restoreInstanceStateRequest = builder.restoreInstanceStateRequest; |
| this.startInstanceStatefulProcessing = builder.startInstanceStatefulProcessing; |
| this.statefulConsistentCheckpointSaved = builder.statefulConsistentCheckpointSaved; |
| } |
| |
| public static Builder newBuilder() { |
| return new Builder(); |
| } |
| |
| public PhysicalPlanHelper getNewPhysicalPlanHelper() { |
| return newPhysicalPlanHelper; |
| } |
| |
| public CheckpointManager.StatefulConsistentCheckpointSaved getStatefulCheckpointSavedMessage() { |
| return this.statefulConsistentCheckpointSaved; |
| } |
| |
| public boolean isNewPhysicalPlanHelper() { |
| return newPhysicalPlanHelper != null; |
| } |
| |
| public CheckpointManager.RestoreInstanceStateRequest getRestoreInstanceStateRequest() { |
| return this.restoreInstanceStateRequest; |
| } |
| |
| public boolean isRestoreInstanceStateRequest() { |
| return this.restoreInstanceStateRequest != null; |
| } |
| |
| public CheckpointManager.StartInstanceStatefulProcessing getStartInstanceStatefulProcessing() { |
| return this.startInstanceStatefulProcessing; |
| } |
| |
| public boolean isStartInstanceStatefulProcessing() { |
| return this.startInstanceStatefulProcessing != null; |
| } |
| |
| public static final class Builder { |
| private PhysicalPlanHelper newPhysicalPlanHelper; |
| private CheckpointManager.RestoreInstanceStateRequest restoreInstanceStateRequest; |
| private CheckpointManager.StartInstanceStatefulProcessing startInstanceStatefulProcessing; |
| private CheckpointManager.StatefulConsistentCheckpointSaved statefulConsistentCheckpointSaved; |
| |
| private Builder() { |
| |
| } |
| |
| public Builder setNewPhysicalPlanHelper(PhysicalPlanHelper physicalPlanHelper) { |
| this.newPhysicalPlanHelper = physicalPlanHelper; |
| return this; |
| } |
| |
| public Builder setRestoreInstanceStateRequest( |
| CheckpointManager.RestoreInstanceStateRequest request) { |
| this.restoreInstanceStateRequest = request; |
| return this; |
| } |
| |
| public Builder setStartInstanceStatefulProcessing( |
| CheckpointManager.StartInstanceStatefulProcessing request) { |
| this.startInstanceStatefulProcessing = request; |
| return this; |
| } |
| |
| public Builder setStatefulCheckpointSaved( |
| CheckpointManager.StatefulConsistentCheckpointSaved message) { |
| this.statefulConsistentCheckpointSaved = message; |
| return this; |
| } |
| |
| public InstanceControlMsg build() { |
| return new InstanceControlMsg(this); |
| } |
| } |
| } |