org.elasticsearch.index.cache.request.RequestCacheStats Maven / Gradle / Ivy
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Elasticsearch subproject :server
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.index.cache.request;
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.unit.ByteSizeValue;
import org.elasticsearch.xcontent.ToXContentFragment;
import org.elasticsearch.xcontent.XContentBuilder;
import java.io.IOException;
import java.util.Objects;
public class RequestCacheStats implements Writeable, ToXContentFragment {
private long memorySize;
private long evictions;
private long hitCount;
private long missCount;
public RequestCacheStats() {}
public RequestCacheStats(StreamInput in) throws IOException {
memorySize = in.readVLong();
evictions = in.readVLong();
hitCount = in.readVLong();
missCount = in.readVLong();
}
public RequestCacheStats(long memorySize, long evictions, long hitCount, long missCount) {
this.memorySize = memorySize;
this.evictions = evictions;
this.hitCount = hitCount;
this.missCount = missCount;
}
public void add(RequestCacheStats stats) {
if (stats == null) {
return;
}
this.memorySize += stats.memorySize;
this.evictions += stats.evictions;
this.hitCount += stats.hitCount;
this.missCount += stats.missCount;
}
public long getMemorySizeInBytes() {
return this.memorySize;
}
public ByteSizeValue getMemorySize() {
return ByteSizeValue.ofBytes(memorySize);
}
public long getEvictions() {
return this.evictions;
}
public long getHitCount() {
return this.hitCount;
}
public long getMissCount() {
return this.missCount;
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeVLong(memorySize);
out.writeVLong(evictions);
out.writeVLong(hitCount);
out.writeVLong(missCount);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
RequestCacheStats that = (RequestCacheStats) o;
return memorySize == that.memorySize && evictions == that.evictions && hitCount == that.hitCount && missCount == that.missCount;
}
@Override
public int hashCode() {
return Objects.hash(memorySize, evictions, hitCount, missCount);
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.startObject(Fields.REQUEST_CACHE_STATS);
builder.humanReadableField(Fields.MEMORY_SIZE_IN_BYTES, Fields.MEMORY_SIZE, getMemorySize());
builder.field(Fields.EVICTIONS, getEvictions());
builder.field(Fields.HIT_COUNT, getHitCount());
builder.field(Fields.MISS_COUNT, getMissCount());
builder.endObject();
return builder;
}
static final class Fields {
static final String REQUEST_CACHE_STATS = "request_cache";
static final String MEMORY_SIZE = "memory_size";
static final String MEMORY_SIZE_IN_BYTES = "memory_size_in_bytes";
static final String EVICTIONS = "evictions";
static final String HIT_COUNT = "hit_count";
static final String MISS_COUNT = "miss_count";
}
}