org.elasticsearch.search.aggregations.bucket.composite.CompositeKey Maven / Gradle / Ivy
/*
* 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.search.aggregations.bucket.composite;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.io.stream.Writeable;
import java.io.IOException;
import java.util.Arrays;
/**
* A key that is composed of multiple {@link Comparable} values.
*/
@SuppressWarnings("rawtypes")
class CompositeKey implements Writeable {
private final Comparable[] values;
CompositeKey(Comparable... values) {
this.values = values;
}
CompositeKey(StreamInput in) throws IOException {
values = in.readArray(i -> (Comparable) i.readGenericValue(), Comparable[]::new);
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeArray(StreamOutput::writeGenericValue, values);
}
Comparable[] values() {
return values;
}
int size() {
return values.length;
}
Comparable get(int pos) {
assert pos < values.length;
return values[pos];
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
CompositeKey that = (CompositeKey) o;
return Arrays.equals(values, that.values);
}
@Override
public int hashCode() {
return Arrays.hashCode(values);
}
@Override
public String toString() {
return "CompositeKey{" + "values=" + Arrays.toString(values) + '}';
}
}