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Elasticsearch subproject :server
/*
* 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.Version;
import org.elasticsearch.cluster.routing.ShardRouting;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.io.stream.Writeable;
import org.elasticsearch.common.xcontent.ToXContentFragment;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.index.engine.CommitStats;
import org.elasticsearch.index.seqno.RetentionLeaseStats;
import org.elasticsearch.index.seqno.SeqNoStats;
import org.elasticsearch.index.shard.ShardPath;
import java.io.IOException;
public class ShardStats implements Writeable, ToXContentFragment {
private ShardRouting shardRouting;
private CommonStats commonStats;
@Nullable
private CommitStats commitStats;
@Nullable
private SeqNoStats seqNoStats;
@Nullable
private RetentionLeaseStats retentionLeaseStats;
/**
* Gets the current retention lease stats.
*
* @return the current retention lease stats
*/
public RetentionLeaseStats getRetentionLeaseStats() {
return retentionLeaseStats;
}
private String dataPath;
private String statePath;
private boolean isCustomDataPath;
public ShardStats(StreamInput in) throws IOException {
shardRouting = new ShardRouting(in);
commonStats = new CommonStats(in);
commitStats = CommitStats.readOptionalCommitStatsFrom(in);
statePath = in.readString();
dataPath = in.readString();
isCustomDataPath = in.readBoolean();
if (in.getVersion().onOrAfter(Version.V_6_0_0_alpha1)) {
seqNoStats = in.readOptionalWriteable(SeqNoStats::new);
}
if (in.getVersion().onOrAfter(Version.V_6_7_0)) {
retentionLeaseStats = in.readOptionalWriteable(RetentionLeaseStats::new);
}
}
public ShardStats(
final ShardRouting routing,
final ShardPath shardPath,
final CommonStats commonStats,
final CommitStats commitStats,
final SeqNoStats seqNoStats,
final RetentionLeaseStats retentionLeaseStats) {
this.shardRouting = routing;
this.dataPath = shardPath.getRootDataPath().toString();
this.statePath = shardPath.getRootStatePath().toString();
this.isCustomDataPath = shardPath.isCustomDataPath();
this.commitStats = commitStats;
this.commonStats = commonStats;
this.seqNoStats = seqNoStats;
this.retentionLeaseStats = retentionLeaseStats;
}
/**
* The shard routing information (cluster wide shard state).
*/
public ShardRouting getShardRouting() {
return this.shardRouting;
}
public CommonStats getStats() {
return this.commonStats;
}
@Nullable
public CommitStats getCommitStats() {
return this.commitStats;
}
@Nullable
public SeqNoStats getSeqNoStats() {
return this.seqNoStats;
}
public String getDataPath() {
return dataPath;
}
public String getStatePath() {
return statePath;
}
public boolean isCustomDataPath() {
return isCustomDataPath;
}
@Override
public void writeTo(StreamOutput out) throws IOException {
shardRouting.writeTo(out);
commonStats.writeTo(out);
out.writeOptionalWriteable(commitStats);
out.writeString(statePath);
out.writeString(dataPath);
out.writeBoolean(isCustomDataPath);
if (out.getVersion().onOrAfter(Version.V_6_0_0_alpha1)) {
out.writeOptionalWriteable(seqNoStats);
}
if (out.getVersion().onOrAfter(Version.V_6_7_0)) {
out.writeOptionalWriteable(retentionLeaseStats);
}
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.startObject(Fields.ROUTING)
.field(Fields.STATE, shardRouting.state())
.field(Fields.PRIMARY, shardRouting.primary())
.field(Fields.NODE, shardRouting.currentNodeId())
.field(Fields.RELOCATING_NODE, shardRouting.relocatingNodeId())
.endObject();
commonStats.toXContent(builder, params);
if (commitStats != null) {
commitStats.toXContent(builder, params);
}
if (seqNoStats != null) {
seqNoStats.toXContent(builder, params);
}
if (retentionLeaseStats != null) {
retentionLeaseStats.toXContent(builder, params);
}
builder.startObject(Fields.SHARD_PATH);
builder.field(Fields.STATE_PATH, statePath);
builder.field(Fields.DATA_PATH, dataPath);
builder.field(Fields.IS_CUSTOM_DATA_PATH, isCustomDataPath);
builder.endObject();
return builder;
}
static final class Fields {
static final String ROUTING = "routing";
static final String STATE = "state";
static final String STATE_PATH = "state_path";
static final String DATA_PATH = "data_path";
static final String IS_CUSTOM_DATA_PATH = "is_custom_data_path";
static final String SHARD_PATH = "shard_path";
static final String PRIMARY = "primary";
static final String NODE = "node";
static final String RELOCATING_NODE = "relocating_node";
}
}