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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.action.admin.indices.stats;
import org.elasticsearch.action.ShardOperationFailedException;
import org.elasticsearch.action.support.broadcast.BroadcastResponse;
import org.elasticsearch.cluster.routing.ShardRouting;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentBuilderString;
import org.elasticsearch.common.xcontent.XContentFactory;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import static java.util.Collections.unmodifiableMap;
/**
*/
public class IndicesStatsResponse extends BroadcastResponse implements ToXContent {
private ShardStats[] shards;
private Map<ShardRouting, ShardStats> shardStatsMap;
IndicesStatsResponse() {
}
IndicesStatsResponse(ShardStats[] shards, int totalShards, int successfulShards, int failedShards, List<ShardOperationFailedException> shardFailures) {
super(totalShards, successfulShards, failedShards, shardFailures);
this.shards = shards;
}
public Map<ShardRouting, ShardStats> asMap() {
if (this.shardStatsMap == null) {
Map<ShardRouting, ShardStats> shardStatsMap = new HashMap<>();
for (ShardStats ss : shards) {
shardStatsMap.put(ss.getShardRouting(), ss);
}
this.shardStatsMap = unmodifiableMap(shardStatsMap);
}
return this.shardStatsMap;
}
public ShardStats[] getShards() {
return this.shards;
}
public ShardStats getAt(int position) {
return shards[position];
}
public IndexStats getIndex(String index) {
return getIndices().get(index);
}
private Map<String, IndexStats> indicesStats;
public Map<String, IndexStats> getIndices() {
if (indicesStats != null) {
return indicesStats;
}
Map<String, IndexStats> indicesStats = new HashMap<>();
Set<String> indices = new HashSet<>();
for (ShardStats shard : shards) {
indices.add(shard.getShardRouting().getIndex());
}
for (String index : indices) {
List<ShardStats> shards = new ArrayList<>();
for (ShardStats shard : this.shards) {
if (shard.getShardRouting().index().equals(index)) {
shards.add(shard);
}
}
indicesStats.put(index, new IndexStats(index, shards.toArray(new ShardStats[shards.size()])));
}
this.indicesStats = indicesStats;
return indicesStats;
}
private CommonStats total = null;
public CommonStats getTotal() {
if (total != null) {
return total;
}
CommonStats stats = new CommonStats();
for (ShardStats shard : shards) {
stats.add(shard.getStats());
}
total = stats;
return stats;
}
private CommonStats primary = null;
public CommonStats getPrimaries() {
if (primary != null) {
return primary;
}
CommonStats stats = new CommonStats();
for (ShardStats shard : shards) {
if (shard.getShardRouting().primary()) {
stats.add(shard.getStats());
}
}
primary = stats;
return stats;
}
@Override
public void readFrom(StreamInput in) throws IOException {
super.readFrom(in);
shards = new ShardStats[in.readVInt()];
for (int i = 0; i < shards.length; i++) {
shards[i] = ShardStats.readShardStats(in);
}
}
@Override
public void writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
out.writeVInt(shards.length);
for (ShardStats shard : shards) {
shard.writeTo(out);
}
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
String level = params.param("level", "indices");
boolean isLevelValid = "indices".equalsIgnoreCase(level) || "shards".equalsIgnoreCase(level) || "cluster".equalsIgnoreCase(level);
if (!isLevelValid) {
return builder;
}
builder.startObject("_all");
builder.startObject("primaries");
getPrimaries().toXContent(builder, params);
builder.endObject();
builder.startObject("total");
getTotal().toXContent(builder, params);
builder.endObject();
builder.endObject();
if ("indices".equalsIgnoreCase(level) || "shards".equalsIgnoreCase(level)) {
builder.startObject(Fields.INDICES);
for (IndexStats indexStats : getIndices().values()) {
builder.startObject(indexStats.getIndex(), XContentBuilder.FieldCaseConversion.NONE);
builder.startObject("primaries");
indexStats.getPrimaries().toXContent(builder, params);
builder.endObject();
builder.startObject("total");
indexStats.getTotal().toXContent(builder, params);
builder.endObject();
if ("shards".equalsIgnoreCase(level)) {
builder.startObject(Fields.SHARDS);
for (IndexShardStats indexShardStats : indexStats) {
builder.startArray(Integer.toString(indexShardStats.getShardId().id()));
for (ShardStats shardStats : indexShardStats) {
builder.startObject();
shardStats.toXContent(builder, params);
builder.endObject();
}
builder.endArray();
}
builder.endObject();
}
builder.endObject();
}
builder.endObject();
}
return builder;
}
static final class Fields {
static final XContentBuilderString INDICES = new XContentBuilderString("indices");
static final XContentBuilderString SHARDS = new XContentBuilderString("shards");
}
@Override
public String toString() {
try {
XContentBuilder builder = XContentFactory.jsonBuilder().prettyPrint();
builder.startObject();
toXContent(builder, EMPTY_PARAMS);
builder.endObject();
return builder.string();
} catch (IOException e) {
return "{ \"error\" : \"" + e.getMessage() + "\"}";
}
}
}
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