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A library for core classes (Graph, Vertex, Edge, etc.)
package io.konig.core.showl;
/*
* #%L
* Konig Core
* %%
* Copyright (C) 2015 - 2019 Gregory McFall
* %%
* 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.
* #L%
*/
import java.util.ArrayList;
import java.util.List;
/**
* Encapsulates information about a unique key.
*
* In general, a unique key may consist of multiple properties, hence the ShowlUniqueKey object
* is defined as a list of UniqueKeyElement entities.
*
* @author Greg McFall
*
*/
@SuppressWarnings("serial")
public class ShowlUniqueKey extends ArrayList implements Comparable {
public ShowlUniqueKey() {
}
public ShowlUniqueKey(UniqueKeyElement...e) {
for (UniqueKeyElement element : e) {
add(element);
}
}
public List flatten() throws ShowlProcessingException {
List list = new ArrayList<>();
addAllElements(list, this);
return list;
}
private void addAllElements(List list, ShowlUniqueKey key) throws ShowlProcessingException {
for (UniqueKeyElement element : key) {
addElement(list, element);
}
}
private void addElement(List list, UniqueKeyElement element) throws ShowlProcessingException {
if (element.getValueKeys()==null) {
list.add(element);
} else {
ShowlUniqueKey key = element.getSelectedKey();
if (key == null) {
throw new ShowlProcessingException("Selected key not defined for " + element.getPropertyShape().getPath());
}
addAllElements(list, key);
}
}
@Override
public int compareTo(ShowlUniqueKey other) {
int result = size() - other.size();
if (result == 0) {
for (int i=0; result==0 && i