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/*
* 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.rollover;
import org.elasticsearch.Version;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.unit.ByteSizeUnit;
import org.elasticsearch.common.unit.ByteSizeValue;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentParser;
import java.io.IOException;
/**
* A size-based condition for an index size.
* Evaluates to true
if the index size is at least {@link #value}.
*/
public class MaxSizeCondition extends Condition {
public static final String NAME = "max_size";
public MaxSizeCondition(ByteSizeValue value) {
super(NAME);
this.value = value;
}
public MaxSizeCondition(StreamInput in) throws IOException {
super(NAME);
this.value = new ByteSizeValue(in.readVLong(), ByteSizeUnit.BYTES);
}
@Override
public Result evaluate(Stats stats) {
return new Result(this, stats.indexSize.getBytes() >= value.getBytes());
}
@Override
boolean includedInVersion(Version version) {
return version.onOrAfter(Version.V_6_1_0);
}
@Override
public String getWriteableName() {
return NAME;
}
@Override
public void writeTo(StreamOutput out) throws IOException {
//TODO here we should just use ByteSizeValue#writeTo and same for de-serialization in the constructor
out.writeVLong(value.getBytes());
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
return builder.field(NAME, value.getStringRep());
}
public static MaxSizeCondition fromXContent(XContentParser parser) throws IOException {
if (parser.nextToken() == XContentParser.Token.VALUE_STRING) {
return new MaxSizeCondition(ByteSizeValue.parseBytesSizeValue(parser.text(), NAME));
} else {
throw new IllegalArgumentException("invalid token: " + parser.currentToken());
}
}
}