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IndexShardStats.java
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IndexShardStats.java
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/*
* Licensed to ElasticSearch and Shay Banon 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 com.google.common.collect.Iterators;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.io.stream.Streamable;
import org.elasticsearch.index.shard.ShardId;
import java.io.IOException;
import java.util.Iterator;
/**
*/
public class IndexShardStats implements Iterable<ShardStats>, Streamable {
private ShardId shardId;
private ShardStats[] shards;
private IndexShardStats() {}
public IndexShardStats(ShardId shardId, ShardStats[] shards) {
this.shardId = shardId;
this.shards = shards;
}
public ShardId getShardId() {
return this.shardId;
}
public ShardStats[] getShards() {
return shards;
}
public ShardStats getAt(int position) {
return shards[position];
}
@Override
public Iterator<ShardStats> iterator() {
return Iterators.forArray(shards);
}
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 getPrimary() {
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 {
shardId = ShardId.readShardId(in);
int shardSize = in.readVInt();
shards = new ShardStats[shardSize];
for (int i = 0; i < shardSize; i++) {
shards[i] = ShardStats.readShardStats(in);
}
}
@Override
public void writeTo(StreamOutput out) throws IOException {
shardId.writeTo(out);
out.writeVInt(shards.length);
for (ShardStats stats : shards) {
stats.writeTo(out);
}
}
public static IndexShardStats readIndexShardStats(StreamInput in) throws IOException {
IndexShardStats indexShardStats = new IndexShardStats();
indexShardStats.readFrom(in);
return indexShardStats;
}
}