2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.openecomp.aai.serialization.db;
23 import org.apache.tinkerpop.gremlin.structure.Direction;
25 import java.util.HashMap;
26 import java.util.regex.Matcher;
27 import java.util.regex.Pattern;
29 public class EdgePropertyMap<K, V> extends HashMap<K, V> {
31 private static final long serialVersionUID = -8298355506617458683L;
33 private static final Pattern variablePattern = Pattern.compile("(!)?\\$\\{(\\w+)\\}");
36 public V get(Object arg0) {
38 V value = super.get(arg0);
40 Matcher m = variablePattern.matcher(value.toString());
42 if (m.groupCount() == 2) {
43 if (m.group(1) == null) {
44 value = super.get(m.group(2));
46 value = reverse(super.get(m.group(2)));
55 protected V reverse(V value) {
57 return (V)Direction.valueOf(value.toString()).opposite().toString();