| package org.apache.helix; |
| |
| /* |
| * 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. |
| */ |
| |
| /** |
| * Exception thrown by Helix due to rebalance failures. |
| */ |
| public class HelixRebalanceException extends Exception { |
| // TODO: Adding static description or other necessary fields into the enum instances for |
| // TODO: supporting the rebalance monitor to understand the exception. |
| public enum Type { |
| INVALID_CLUSTER_STATUS, |
| INVALID_REBALANCER_STATUS, |
| FAILED_TO_CALCULATE, |
| INVALID_INPUT, |
| UNKNOWN_FAILURE |
| } |
| |
| private final Type _type; |
| |
| public HelixRebalanceException(String message, Type type, Throwable cause) { |
| super(String.format("%s Failure Type: %s", message, type.name()), cause); |
| _type = type; |
| } |
| |
| public HelixRebalanceException(String message, Type type) { |
| super(String.format("%s Failure Type: %s", message, type.name())); |
| _type = type; |
| } |
| |
| public Type getFailureType() { |
| return _type; |
| } |
| } |