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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.cluster.Diff;
import org.elasticsearch.cluster.SimpleDiffable;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.io.stream.Writeable;
import org.elasticsearch.xcontent.ConstructingObjectParser;
import org.elasticsearch.xcontent.ParseField;
import org.elasticsearch.xcontent.ToXContentFragment;
import org.elasticsearch.xcontent.XContentBuilder;
import org.elasticsearch.xcontent.XContentParser;
import java.io.IOException;
import java.util.List;
import java.util.Objects;
/**
* Class for holding Rollover related information within an index
*/
public class RolloverInfo implements SimpleDiffable, Writeable, ToXContentFragment {
public static final ParseField CONDITION_FIELD = new ParseField("met_conditions");
public static final ParseField TIME_FIELD = new ParseField("time");
@SuppressWarnings("unchecked")
public static final ConstructingObjectParser PARSER = new ConstructingObjectParser<>(
"rollover_info",
false,
(a, alias) -> new RolloverInfo(alias, (List>) a[0], (Long) a[1])
);
static {
PARSER.declareNamedObjects(
ConstructingObjectParser.constructorArg(),
(p, c, n) -> p.namedObject(Condition.class, n, c),
CONDITION_FIELD
);
PARSER.declareLong(ConstructingObjectParser.constructorArg(), TIME_FIELD);
}
private final String alias;
private final List> metConditions;
private final long time;
public RolloverInfo(String alias, List> metConditions, long time) {
this.alias = alias;
this.metConditions = metConditions;
this.time = time;
}
@SuppressWarnings("unchecked")
public RolloverInfo(StreamInput in) throws IOException {
this.alias = in.readString();
this.time = in.readVLong();
this.metConditions = (List) in.readNamedWriteableList(Condition.class);
}
public static RolloverInfo parse(XContentParser parser, String alias) {
return PARSER.apply(parser, alias);
}
public String getAlias() {
return alias;
}
public List> getMetConditions() {
return metConditions;
}
public long getTime() {
return time;
}
public static Diff readDiffFrom(StreamInput in) throws IOException {
return SimpleDiffable.readDiffFrom(RolloverInfo::new, in);
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeString(alias);
out.writeVLong(time);
out.writeNamedWriteableList(metConditions);
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.startObject(alias);
builder.startObject(CONDITION_FIELD.getPreferredName());
for (Condition condition : metConditions) {
condition.toXContent(builder, params);
}
builder.endObject();
builder.field(TIME_FIELD.getPreferredName(), time);
builder.endObject();
return builder;
}
@Override
public int hashCode() {
return Objects.hash(alias, metConditions, time);
}
@Override
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (obj.getClass() != getClass()) {
return false;
}
RolloverInfo other = (RolloverInfo) obj;
return Objects.equals(alias, other.alias) && Objects.equals(metConditions, other.metConditions) && Objects.equals(time, other.time);
}
@Override
public String toString() {
return Strings.toString(this);
}
}