org.elasticsearch.action.admin.indices.status.IndexShardStatus Maven / Gradle / Ivy
/*
* 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.status;
import com.google.common.collect.Iterators;
import org.elasticsearch.common.unit.ByteSizeValue;
import org.elasticsearch.index.flush.FlushStats;
import org.elasticsearch.index.merge.MergeStats;
import org.elasticsearch.index.refresh.RefreshStats;
import org.elasticsearch.index.shard.ShardId;
import java.util.Iterator;
/**
*
*/
public class IndexShardStatus implements Iterable {
private final ShardId shardId;
private final ShardStatus[] shards;
IndexShardStatus(ShardId shardId, ShardStatus[] shards) {
this.shardId = shardId;
this.shards = shards;
}
public ShardId getShardId() {
return this.shardId;
}
public ShardStatus[] getShards() {
return this.shards;
}
public ShardStatus getAt(int position) {
return shards[position];
}
/**
* Returns only the primary shards store size in bytes.
*/
public ByteSizeValue getPrimaryStoreSize() {
long bytes = -1;
for (ShardStatus shard : getShards()) {
if (!shard.getShardRouting().primary()) {
// only sum docs for the primaries
continue;
}
if (shard.getStoreSize() != null) {
if (bytes == -1) {
bytes = 0;
}
bytes += shard.getStoreSize().bytes();
}
}
if (bytes == -1) {
return null;
}
return new ByteSizeValue(bytes);
}
/**
* Returns the full store size in bytes, of both primaries and replicas.
*/
public ByteSizeValue getStoreSize() {
long bytes = -1;
for (ShardStatus shard : getShards()) {
if (shard.getStoreSize() != null) {
if (bytes == -1) {
bytes = 0;
}
bytes += shard.getStoreSize().bytes();
}
}
if (bytes == -1) {
return null;
}
return new ByteSizeValue(bytes);
}
public long getTranslogOperations() {
long translogOperations = -1;
for (ShardStatus shard : getShards()) {
if (shard.getTranslogOperations() != -1) {
if (translogOperations == -1) {
translogOperations = 0;
}
translogOperations += shard.getTranslogOperations();
}
}
return translogOperations;
}
private transient DocsStatus docs;
public DocsStatus getDocs() {
if (docs != null) {
return docs;
}
DocsStatus docs = null;
for (ShardStatus shard : getShards()) {
if (!shard.getShardRouting().primary()) {
// only sum docs for the primaries
continue;
}
if (shard.getDocs() == null) {
continue;
}
if (docs == null) {
docs = new DocsStatus();
}
docs.numDocs += shard.getDocs().getNumDocs();
docs.maxDoc += shard.getDocs().getMaxDoc();
docs.deletedDocs += shard.getDocs().getDeletedDocs();
}
this.docs = docs;
return this.docs;
}
/**
* Total merges of this shard replication group.
*/
public MergeStats getMergeStats() {
MergeStats mergeStats = new MergeStats();
for (ShardStatus shard : shards) {
mergeStats.add(shard.getMergeStats());
}
return mergeStats;
}
public RefreshStats getRefreshStats() {
RefreshStats refreshStats = new RefreshStats();
for (ShardStatus shard : shards) {
refreshStats.add(shard.getRefreshStats());
}
return refreshStats;
}
public FlushStats getFlushStats() {
FlushStats flushStats = new FlushStats();
for (ShardStatus shard : shards) {
flushStats.add(shard.flushStats);
}
return flushStats;
}
@Override
public Iterator iterator() {
return Iterators.forArray(shards);
}
}