| /* |
| * 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.fineract.cn.cassandra.core; |
| |
| @SuppressWarnings("WeakerAccess") |
| public class ReplicationStrategyResolver { |
| |
| private ReplicationStrategyResolver() { |
| super(); |
| } |
| |
| public static String replicationStrategy(final String type, final String replicas) { |
| final StringBuilder builder = new StringBuilder(); |
| if (type.equalsIgnoreCase("Simple")) { |
| builder.append("{'class': 'SimpleStrategy', "); |
| builder.append("'replication_factor': "); |
| builder.append(replicas); |
| builder.append("}"); |
| return builder.toString(); |
| } else if (type.equalsIgnoreCase("Network")) { |
| builder.append("{'class': 'NetworkTopologyStrategy', "); |
| |
| final String[] splitReplicas = replicas.split(","); |
| for (int i = 0; i < splitReplicas.length; i++) { |
| final String[] replicaDataCenter = splitReplicas[i].split(":"); |
| builder.append("'").append(replicaDataCenter[0].trim()).append("': "); |
| builder.append(replicaDataCenter[1].trim()); |
| if ((i + 1) < splitReplicas.length) { |
| builder.append(", "); |
| } |
| } |
| |
| builder.append("}"); |
| return builder.toString(); |
| } else { |
| throw new IllegalArgumentException("Unknown replication strategy: " + type); |
| } |
| } |
| } |