| package org.apache.helix.task; |
| |
| /* |
| * 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. |
| */ |
| |
| /** |
| * Constants used in the task framework. |
| */ |
| public class TaskConstants { |
| /** |
| * The name of the {@link Task} state model. |
| */ |
| public static final String STATE_MODEL_NAME = "Task"; |
| /** |
| * Field in workflow resource config housing dag |
| */ |
| public static final String WORKFLOW_DAG_FIELD = "dag"; |
| /** |
| * Field in workflow resource config for flow name |
| */ |
| public static final String WORKFLOW_NAME_FIELD = "name"; |
| /** |
| * The root property store path at which the {@link TaskRebalancer} stores context information. |
| */ |
| public static final String REBALANCER_CONTEXT_ROOT = "/TaskRebalancer"; |
| /** |
| * The context node for workflow and job |
| */ |
| public static final String CONTEXT_NODE = "Context"; |
| |
| public static final long DEFAULT_NEVER_TIMEOUT = -1; // never timeout |
| |
| public static final String PREV_RA_NODE = "PreviousResourceAssignment"; |
| |
| |
| } |