| /* |
| * 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.brooklyn.entity.nosql.cassandra; |
| |
| import java.math.BigInteger; |
| import java.util.Set; |
| /** |
| * @deprecated since 1.0.0; use {@link 'https://github.com/brooklyncentral/brooklyn-cassandra'} which is a pure YAML template |
| * for a database cluster. |
| */ |
| @Deprecated |
| public interface TokenGenerator { |
| |
| BigInteger max(); |
| BigInteger min(); |
| BigInteger range(); |
| |
| void setOrigin(BigInteger shift); |
| |
| BigInteger newToken(); |
| |
| BigInteger getTokenForReplacementNode(BigInteger oldToken); |
| |
| Set<BigInteger> getTokensForReplacementNode(Set<BigInteger> oldTokens); |
| |
| /** |
| * Indicates that we are starting a new cluster of the given number of nodes, |
| * so expect that number of consecutive calls to {@link #newToken()}. |
| * |
| * @param numNewNodes |
| */ |
| void growingCluster(int numNewNodes); |
| |
| void shrinkingCluster(Set<BigInteger> nodesToRemove); |
| |
| void refresh(Set<BigInteger> currentNodes); |
| } |