| /** |
| * 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.atlas; |
| |
| import com.google.common.base.Preconditions; |
| import org.apache.commons.lang.StringUtils; |
| import java.util.Arrays; |
| |
| import java.util.List; |
| |
| public class AtlasServerEnsemble { |
| |
| private final String[] urls; |
| |
| public AtlasServerEnsemble(String[] baseUrls) { |
| Preconditions.checkArgument((baseUrls!=null && baseUrls.length>0), |
| "List of baseURLs cannot be null or empty."); |
| for (String baseUrl : baseUrls) { |
| Preconditions.checkArgument(StringUtils.isNotEmpty(baseUrl), |
| "Base URL cannot be null or empty."); |
| } |
| urls = baseUrls; |
| } |
| |
| public boolean hasSingleInstance() { |
| return urls.length==1; |
| } |
| |
| public String firstURL() { |
| return urls[0]; |
| } |
| |
| public List<String> getMembers() { |
| return Arrays.asList(urls); |
| } |
| } |