| /** |
| * 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.falcon.entity.parser; |
| |
| import org.apache.falcon.entity.v0.EntityType; |
| |
| /** |
| * Factory Class which returns the Parser based on the EntityType. |
| */ |
| public final class EntityParserFactory { |
| |
| private EntityParserFactory() { |
| } |
| |
| /** |
| * Tie EnityType with the Entity Class in one place so that it can be |
| * unmarshalled easily by concrete classes based on the class type using |
| * JAXB. |
| * |
| * @param entityType - entity type |
| * @return concrete parser based on entity type |
| */ |
| public static EntityParser getParser(final EntityType entityType) { |
| |
| switch (entityType) { |
| case PROCESS: |
| return new ProcessEntityParser(); |
| case FEED: |
| return new FeedEntityParser(); |
| case CLUSTER: |
| return new ClusterEntityParser(); |
| case DATASOURCE: |
| return new DatasourceEntityParser(); |
| default: |
| throw new IllegalArgumentException("Unhandled entity type: " + entityType); |
| } |
| } |
| |
| } |