org.elasticsearch.action.admin.indices.rollover.MinPrimaryShardDocsCondition Maven / Gradle / Ivy
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/*
* 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.xcontent.XContentBuilder;
import org.elasticsearch.xcontent.XContentParser;
import java.io.IOException;
/**
* Condition for minimum shard docs. Evaluates to true
* when a primary shard in the index has at least {@link #value} docs
*/
public class MinPrimaryShardDocsCondition extends Condition {
public static final String NAME = "min_primary_shard_docs";
public MinPrimaryShardDocsCondition(Long value) {
super(NAME, Type.MIN);
this.value = value;
}
public MinPrimaryShardDocsCondition(StreamInput in) throws IOException {
super(NAME, Type.MIN);
this.value = in.readLong();
}
@Override
public Result evaluate(Stats stats) {
return new Result(this, this.value <= stats.maxPrimaryShardDocs());
}
@Override
public String getWriteableName() {
return NAME;
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeLong(value);
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
return builder.field(NAME, value);
}
public static MinPrimaryShardDocsCondition fromXContent(XContentParser parser) throws IOException {
if (parser.nextToken() == XContentParser.Token.VALUE_NUMBER) {
return new MinPrimaryShardDocsCondition(parser.longValue());
} 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);
}
}