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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.onap.aai.serialization.db;
import org.apache.tinkerpop.gremlin.structure.Direction;
import java.util.HashMap;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class EdgePropertyMap<K, V> extends HashMap<K, V> {
private static final long serialVersionUID = -8298355506617458683L;
private static final Pattern variablePattern = Pattern.compile("(!)?\\$\\{(\\w+)\\}");
@Override
public V get(Object arg0) {
V value = super.get(arg0);
Matcher m = variablePattern.matcher(value.toString());
if (m.find()) {
if (m.groupCount() == 2) {
if (m.group(1) == null) {
value = super.get(m.group(2));
} else {
value = reverse(super.get(m.group(2)));
}
}
}
return value;
}
protected V reverse(V value) {
return (V)Direction.valueOf(value.toString()).opposite().toString();
}
}
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