/* * SPDX-License-Identifier: Apache-2.0 * * The OpenSearch Contributors require contributions made to * this file be licensed under the Apache-2.0 license or a * compatible open source license. * * Modifications Copyright OpenSearch Contributors. See * GitHub history for details. */ package org.opensearch.timeseries; import java.util.Collection; import java.util.HashSet; import java.util.Set; import java.util.function.Function; /** * A super type for enum types returning names * */ public interface Name { String getName(); static Set getNameFromCollection(Collection names, Function getName) { Set res = new HashSet<>(); for (String name : names) { res.add(getName.apply(name)); } return res; } }