| /* |
| * 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.fluo.core.worker.finder.hash; |
| |
| import java.util.List; |
| import java.util.Map.Entry; |
| import java.util.Objects; |
| import java.util.TreeMap; |
| import java.util.function.Consumer; |
| |
| import org.apache.fluo.api.data.Bytes; |
| |
| public class RangeSet { |
| private TreeMap<Bytes, TableRange> tmap; |
| private TableRange lastRange; |
| |
| public RangeSet(List<TableRange> ranges) { |
| tmap = new TreeMap<>(); |
| |
| for (TableRange tablet : ranges) { |
| if (tablet.getEndRow() == null) { |
| lastRange = tablet; |
| } else { |
| tmap.put(tablet.getEndRow(), tablet); |
| } |
| } |
| } |
| |
| public TableRange getContaining(Bytes row) { |
| Entry<Bytes, TableRange> entry = tmap.ceilingEntry(row); |
| if (entry != null) { |
| if (entry.getValue().contains(row)) { |
| return entry.getValue(); |
| } |
| } else if (lastRange != null) { |
| if (lastRange.contains(row)) { |
| return lastRange; |
| } |
| } |
| |
| return null; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (o instanceof RangeSet) { |
| RangeSet ots = (RangeSet) o; |
| |
| if (tmap.size() != ots.tmap.size()) { |
| return false; |
| } |
| |
| for (Entry<Bytes, TableRange> entry : tmap.entrySet()) { |
| TableRange otr = ots.tmap.get(entry.getKey()); |
| if (!Objects.equals(entry.getValue(), otr)) { |
| return false; |
| } |
| } |
| |
| return Objects.equals(lastRange, ots.lastRange); |
| } |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public int size() { |
| return tmap.size() + (lastRange == null ? 0 : 1); |
| } |
| |
| public void forEach(Consumer<TableRange> trc) { |
| if (lastRange != null) { |
| trc.accept(lastRange); |
| } |
| tmap.values().forEach(trc); |
| } |
| } |