| /* |
| * 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.sling.discovery.base.commons; |
| |
| /** |
| * This exception is thrown when the ClusterViewService |
| * does not have a cluster view that is valid. |
| * That can either be because it cannot access the repository |
| * (login or other repository exception) or that there is |
| * no established view yet at all (not yet voted case) - |
| * or that there is an established view but it doesn't include |
| * the local instance (isolated case) |
| */ |
| @SuppressWarnings("serial") |
| public class UndefinedClusterViewException extends Exception { |
| |
| public static enum Reason { |
| /** used when the local instance is isolated from the topology |
| * (which is noticed by an established view that does not include |
| * the local instance) |
| */ |
| ISOLATED_FROM_TOPOLOGY, |
| |
| /** used when there is no established view yet |
| * (happens on a fresh installation) |
| */ |
| NO_ESTABLISHED_VIEW, |
| |
| /** used when we couldn't reach the repository **/ |
| REPOSITORY_EXCEPTION |
| } |
| |
| private final Reason reason; |
| |
| public UndefinedClusterViewException(Reason reason) { |
| super(); |
| this.reason = reason; |
| } |
| |
| public UndefinedClusterViewException(Reason reason, String msg) { |
| super(msg); |
| this.reason = reason; |
| } |
| |
| public Reason getReason() { |
| return reason; |
| } |
| } |