2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Copyright (C) 2017 Amdocs
8 * =============================================================================
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
21 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
22 * ============LICENSE_END=========================================================
25 package org.onap.appc.rankingframework.impl;
27 import java.util.ArrayList;
28 import java.util.Collection;
29 import java.util.Collections;
30 import java.util.List;
32 import org.onap.appc.rankingframework.ConfigurationSet;
33 import org.onap.appc.rankingframework.RankedAttributesResolver;
34 import org.onap.appc.rankingframework.RankedAttributesResolverFactory;
36 public final class DefaultRankedAttributesTreeFactory implements RankedAttributesResolverFactory {
38 private final Strategy defaultStrategy = new BacktraceStrategy();
41 public <R> RankedAttributesResolver<R> create(ConfigurationSet<R> config) {
43 CompositeNode<R> root = RankedAttributesTreeBuilder.build(config);
44 return new RankedAttributesTree<>(root, toList(config.getRankedAttributeNames()), defaultStrategy);
47 private static List<String> toList(Collection<String> col) {
48 return Collections.unmodifiableList(new ArrayList<>(col));