/*
* 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.index.refresh;
import org.elasticsearch.Version;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.io.stream.Streamable;
import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import java.io.IOException;
import java.util.Objects;
public class RefreshStats implements Streamable, ToXContent {
private long total;
private long totalTimeInMillis;
/**
* Number of waiting refresh listeners.
*/
private int listeners;
public RefreshStats() {
}
public RefreshStats(long total, long totalTimeInMillis, int listeners) {
this.total = total;
this.totalTimeInMillis = totalTimeInMillis;
this.listeners = listeners;
}
public void add(RefreshStats refreshStats) {
addTotals(refreshStats);
}
public void addTotals(RefreshStats refreshStats) {
if (refreshStats == null) {
return;
}
this.total += refreshStats.total;
this.totalTimeInMillis += refreshStats.totalTimeInMillis;
this.listeners += refreshStats.listeners;
}
/**
* The total number of refresh executed.
*/
public long getTotal() {
return this.total;
}
/**
* The total time merges have been executed (in milliseconds).
*/
public long getTotalTimeInMillis() {
return this.totalTimeInMillis;
}
/**
* The total time merges have been executed.
*/
public TimeValue getTotalTime() {
return new TimeValue(totalTimeInMillis);
}
/**
* The number of waiting refresh listeners.
*/
public int getListeners() {
return listeners;
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.startObject("refresh");
builder.field("total", total);
builder.timeValueField("total_time_in_millis", "total_time", totalTimeInMillis);
builder.field("listeners", listeners);
builder.endObject();
return builder;
}
@Override
public void readFrom(StreamInput in) throws IOException {
total = in.readVLong();
totalTimeInMillis = in.readVLong();
if (in.getVersion().onOrAfter(Version.V_5_2_0_UNRELEASED)) {
listeners = in.readVInt();
} else {
listeners = 0;
}
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeVLong(total);
out.writeVLong(totalTimeInMillis);
if (out.getVersion().onOrAfter(Version.V_5_2_0_UNRELEASED)) {
out.writeVInt(listeners);
}
}
@Override
public boolean equals(Object obj) {
if (obj == null || obj.getClass() != RefreshStats.class) {
return false;
}
RefreshStats rhs = (RefreshStats) obj;
return total == rhs.total
&& totalTimeInMillis == rhs.totalTimeInMillis
&& listeners == rhs.listeners;
}
@Override
public int hashCode() {
return Objects.hash(total, totalTimeInMillis, listeners);
}
}