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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package ai.vespa.metricsproxy.metric.model;
import com.yahoo.concurrent.CopyOnWriteHashMap;
import java.util.Map;
import java.util.Objects;
/**
* @author gjoranv
*/
public final class DimensionId {
private static final Map<String, DimensionId> dictionary = new CopyOnWriteHashMap<>();
public final String id;
private DimensionId(String id) { this.id = id; }
public static DimensionId toDimensionId(String id) {
return dictionary.computeIfAbsent(id, key -> new DimensionId(key));
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
DimensionId that = (DimensionId) o;
return Objects.equals(id, that.id);
}
@Override
public int hashCode() {
return Objects.hash(id);
}
@Override
public String toString() {
return id;
}
}
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