| /** |
| * 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.rerun.handler; |
| |
| import org.apache.falcon.rerun.event.LaterunEvent; |
| import org.apache.falcon.rerun.event.RerunEvent.RerunType; |
| import org.apache.falcon.rerun.event.RetryEvent; |
| import org.apache.falcon.rerun.queue.DelayedQueue; |
| |
| /** |
| * A factory implementation to dole out rerun handlers. |
| */ |
| public final class RerunHandlerFactory { |
| |
| private static final RetryHandler<DelayedQueue<RetryEvent>> RETRY_HANDLER |
| = new RetryHandler<DelayedQueue<RetryEvent>>(); |
| private static final LateRerunHandler<DelayedQueue<LaterunEvent>> LATE_HANDLER |
| = new LateRerunHandler<DelayedQueue<LaterunEvent>>(); |
| |
| private RerunHandlerFactory() { |
| } |
| |
| public static AbstractRerunHandler getRerunHandler(RerunType type) { |
| switch (type) { |
| case RETRY: |
| return RETRY_HANDLER; |
| |
| case LATE: |
| return LATE_HANDLER; |
| |
| default: |
| throw new RuntimeException("Invalid handler:" + type); |
| } |
| } |
| } |