| /* |
| * |
| * 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.hadoop.hbase.client; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.TreeMap; |
| |
| import org.apache.yetus.audience.InterfaceAudience; |
| import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos; |
| import org.apache.hadoop.hbase.util.Bytes; |
| |
| /** |
| * A container for Result objects, grouped by regionName. |
| */ |
| @InterfaceAudience.Private |
| public class MultiResponse extends AbstractResponse { |
| |
| // map of regionName to map of Results by the original index for that Result |
| private Map<byte[], RegionResult> results = new TreeMap<>(Bytes.BYTES_COMPARATOR); |
| |
| /** |
| * The server can send us a failure for the region itself, instead of individual failure. |
| * It's a part of the protobuf definition. |
| */ |
| private Map<byte[], Throwable> exceptions = |
| new TreeMap<>(Bytes.BYTES_COMPARATOR); |
| |
| public MultiResponse() { |
| super(); |
| } |
| |
| /** |
| * @return Number of pairs in this container |
| */ |
| public int size() { |
| int size = 0; |
| for (RegionResult result: results.values()) { |
| size += result.size(); |
| } |
| return size; |
| } |
| |
| /** |
| * Add the pair to the container, grouped by the regionName |
| * |
| * @param regionName |
| * @param originalIndex the original index of the Action (request). |
| * @param resOrEx the result or error; will be empty for successful Put and Delete actions. |
| */ |
| public void add(byte[] regionName, int originalIndex, Object resOrEx) { |
| getResult(regionName).addResult(originalIndex, resOrEx); |
| } |
| |
| public void addException(byte []regionName, Throwable ie){ |
| exceptions.put(regionName, ie); |
| } |
| |
| /** |
| * @return the exception for the region, if any. Null otherwise. |
| */ |
| public Throwable getException(byte []regionName){ |
| return exceptions.get(regionName); |
| } |
| |
| public Map<byte[], Throwable> getExceptions() { |
| return exceptions; |
| } |
| |
| public void addStatistic(byte[] regionName, ClientProtos.RegionLoadStats stat) { |
| getResult(regionName).setStat(stat); |
| } |
| |
| private RegionResult getResult(byte[] region){ |
| RegionResult rs = results.get(region); |
| if (rs == null) { |
| rs = new RegionResult(); |
| results.put(region, rs); |
| } |
| return rs; |
| } |
| |
| public Map<byte[], RegionResult> getResults(){ |
| return this.results; |
| } |
| |
| @Override |
| public ResponseType type() { |
| return ResponseType.MULTI; |
| } |
| |
| static class RegionResult{ |
| Map<Integer, Object> result = new HashMap<>(); |
| ClientProtos.RegionLoadStats stat; |
| |
| public void addResult(int index, Object result){ |
| this.result.put(index, result); |
| } |
| |
| public void setStat(ClientProtos.RegionLoadStats stat){ |
| this.stat = stat; |
| } |
| |
| public int size() { |
| return this.result.size(); |
| } |
| |
| public ClientProtos.RegionLoadStats getStat() { |
| return this.stat; |
| } |
| } |
| } |