| /* |
| * 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.cassandra.service.paxos; |
| |
| import java.util.Collection; |
| |
| import org.apache.cassandra.db.SystemKeyspace; |
| import org.apache.cassandra.dht.Range; |
| import org.apache.cassandra.dht.Token; |
| |
| public class TablePaxosRepairHistory |
| { |
| private final String keyspace; |
| private final String table; |
| private volatile PaxosRepairHistory history; |
| |
| private TablePaxosRepairHistory(String keyspace, String table, PaxosRepairHistory history) |
| { |
| this.keyspace = keyspace; |
| this.table = table; |
| this.history = history; |
| } |
| |
| public static TablePaxosRepairHistory load(String keyspace, String table) |
| { |
| return new TablePaxosRepairHistory(keyspace, table, SystemKeyspace.loadPaxosRepairHistory(keyspace, table)); |
| } |
| |
| public Ballot getBallotForToken(Token token) |
| { |
| return history.ballotForToken(token); |
| } |
| |
| private void updatePaxosRepairTable(PaxosRepairHistory update, boolean flush) |
| { |
| SystemKeyspace.savePaxosRepairHistory(keyspace, table, update, flush); |
| } |
| |
| public synchronized void add(Collection<Range<Token>> ranges, Ballot ballot, boolean flush) |
| { |
| PaxosRepairHistory update = PaxosRepairHistory.add(history, ranges, ballot); |
| updatePaxosRepairTable(update, flush); |
| history = update; |
| } |
| |
| public synchronized void merge(PaxosRepairHistory toMerge, boolean flush) |
| { |
| PaxosRepairHistory update = PaxosRepairHistory.merge(history, toMerge); |
| if (!update.equals(history)) |
| updatePaxosRepairTable(update, flush); |
| history = update; |
| } |
| |
| public PaxosRepairHistory getHistory() |
| { |
| return history; |
| } |
| |
| public PaxosRepairHistory getHistoryForRanges(Collection<Range<Token>> ranges) |
| { |
| return PaxosRepairHistory.trim(history, ranges); |
| } |
| } |