org.elasticsearch.action.admin.indices.rollover.MinPrimaryShardSizeCondition Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of elasticsearch Show documentation
Show all versions of elasticsearch Show documentation
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.action.admin.indices.rollover;
import org.elasticsearch.Version;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.unit.ByteSizeValue;
import org.elasticsearch.xcontent.XContentBuilder;
import org.elasticsearch.xcontent.XContentParser;
import java.io.IOException;
/**
* A size-based condition for the primary shards within an index.
* Evaluates to true
if the size of the largest primary shard is at least {@link #value}.
*/
public class MinPrimaryShardSizeCondition extends Condition {
public static final String NAME = "min_primary_shard_size";
public MinPrimaryShardSizeCondition(ByteSizeValue value) {
super(NAME, Type.MIN);
this.value = value;
}
public MinPrimaryShardSizeCondition(StreamInput in) throws IOException {
super(NAME, Type.MIN);
this.value = new ByteSizeValue(in);
}
@Override
public Result evaluate(Stats stats) {
return new Result(this, stats.maxPrimaryShardSize().getBytes() >= value.getBytes());
}
@Override
public String getWriteableName() {
return NAME;
}
@Override
public void writeTo(StreamOutput out) throws IOException {
value.writeTo(out);
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
return builder.field(NAME, value.getStringRep());
}
public static MinPrimaryShardSizeCondition fromXContent(XContentParser parser) throws IOException {
if (parser.nextToken() == XContentParser.Token.VALUE_STRING) {
return new MinPrimaryShardSizeCondition(ByteSizeValue.parseBytesSizeValue(parser.text(), NAME));
} else {
throw new IllegalArgumentException("invalid token when parsing " + NAME + " condition: " + parser.currentToken());
}
}
@Override
boolean includedInVersion(Version version) {
return version.onOrAfter(Version.V_8_4_0);
}
}