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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.restcore.util;
import freemarker.template.Configuration;
import freemarker.template.Template;
import freemarker.template.TemplateException;
import java.io.*;
import java.util.*;
import org.onap.aai.serialization.db.EdgeRules;
import org.onap.aai.introspection.Version;
public class GenerateEdgeRules {
public static void main(String[] args) throws IOException, TemplateException {
String filename = "/edgeLabelMigration.csv";
InputStream inputStream = GenerateEdgeRules.class.getResourceAsStream(filename);
Map<String, Integer> headers = new HashMap<>();
List<EdgeRuleBean> rulesToWriteV12 = new ArrayList<>();
List<EdgeRuleBean> rulesToWriteV7 = new ArrayList<>();
List<EdgeRuleBean> rulesToWriteV8 = new ArrayList<>();
List<EdgeRuleBean> rulesToWriteV9 = new ArrayList<>();
List<EdgeRuleBean> rulesToWriteV10 = new ArrayList<>();
List<EdgeRuleBean> rulesToWriteV11 = new ArrayList<>();
ArrayList <String> rulesWeAlreadyHave = new ArrayList <String>();
EdgeRules rulesV8 = EdgeRules.getInstance(Version.v8);
EdgeRules rulesV9 = EdgeRules.getInstance(Version.v9);
EdgeRules rulesV10 = EdgeRules.getInstance(Version.v10);
EdgeRules rulesV11 = EdgeRules.getInstance(Version.v11);
try (BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream))) {
String line = null;
int rowNum = 0;
while ((line = reader.readLine()) != null) {
if (rowNum == 0) {
headers = retrieveHeaderMap(line);
}
else {
EdgeRuleBean data = new EdgeRuleBean();
String[] columns = line.split(",");
String oldNodeA = columns[headers.get("from")];
String oldNodeB = columns[headers.get("to")];
String oldEdgeLabel = columns[headers.get("label")];
String nodeA = columns[headers.get("new from")];
data.setFrom(nodeA);
String nodeB = columns[headers.get("new to")];
data.setTo(nodeB);
String edgeLabel = columns[headers.get("new label")];
data.setLabel( edgeLabel );
// Note: it is assumed that if we know the two NodeTypes and the edgeLabel, we can
// uniquely identify an edgeRule -- so if that key is found twice, it is a
// problem with our CSV file. Note -we check with the nodeTypes in both directions.
String key1 = nodeA + "|" + nodeB + "|" + edgeLabel;
String key2 = nodeB + "|" + nodeA + "|" + edgeLabel;
if( rulesWeAlreadyHave.contains(key1) ){
throw new Exception ("Duplicate rule found for [" + key1 + "] -- please fix the CSV file. ");
}
else if( rulesWeAlreadyHave.contains(key2) ){
throw new Exception ("Duplicate rule found for [" + key2 + "] -- please fix the CSV file. ");
}
else {
rulesWeAlreadyHave.add(key1);
rulesWeAlreadyHave.add(key2);
}
String direction = columns[headers.get("new direction")];
data.setDirection(direction);
String multiplicity = columns[headers.get("new multiplicity")];
data.setMultiplicity(multiplicity);
String lineage = columns[headers.get("new contains-other-v")];
data.setLineage(lineage);
String deleteOtherV = columns[headers.get("new delete-other-v")];
data.setDeleteOtherV(deleteOtherV);
String svcInfra = columns[headers.get("new SVC-INFRA")];
data.setSvcInfra(svcInfra);
String prevDel = columns[headers.get("new prevent-delete")];
data.setPreventDelete(prevDel);
String defaultVal = columns[headers.get("new default")];
if( defaultVal.equals("T") ){
data.setDefault("true");
}
else if( defaultVal.equals("F") ){
data.setDefault("false");
}
rulesToWriteV12.add(data);
if( rulesV8.hasEdgeRule(oldNodeA, oldNodeB, oldEdgeLabel) ){
rulesToWriteV8.add(data);
}
if( rulesV9.hasEdgeRule(oldNodeA, oldNodeB, oldEdgeLabel) ){
rulesToWriteV9.add(data);
}
if( rulesV10.hasEdgeRule(oldNodeA, oldNodeB, oldEdgeLabel) ){
rulesToWriteV10.add(data);
}
if( rulesV11.hasEdgeRule(oldNodeA, oldNodeB, oldEdgeLabel) ){
rulesToWriteV11.add(data);
}
}
++rowNum;
}
Configuration configuration = new Configuration();
Template template = configuration.getTemplate("src/main/resources/edgerulesTemplate.ftlh");
saveRulesIntoTheFile("src/main/resources/EdgeRulesWithNewLabels_v12.json", template, rulesToWriteV12);
saveRulesIntoTheFile("src/main/resources/EdgeRulesWithNewLabels_v7.json", template, rulesToWriteV7);
saveRulesIntoTheFile("src/main/resources/EdgeRulesWithNewLabels_v8.json", template, rulesToWriteV8);
saveRulesIntoTheFile("src/main/resources/EdgeRulesWithNewLabels_v9.json", template, rulesToWriteV9);
saveRulesIntoTheFile("src/main/resources/EdgeRulesWithNewLabels_v10.json", template, rulesToWriteV10);
saveRulesIntoTheFile("src/main/resources/EdgeRulesWithNewLabels_v11.json", template, rulesToWriteV11);
} catch(Exception ex){
ex.printStackTrace();
}
}
private static void saveRulesIntoTheFile(String filePath, Template fileTemplate, List<EdgeRuleBean> rulesToWrite)
throws IOException, TemplateException {
try (Writer file = new FileWriter(new File(filePath))) {
Map<String, List<EdgeRuleBean>> wrappedRules = new HashMap<>();
wrappedRules.put("wrappedRules", rulesToWrite);
fileTemplate.process(wrappedRules, file);
}
}
private static Map<String, Integer> retrieveHeaderMap(String line){
if(line == null)
throw new NullPointerException();
String[] columnNames = line.split(",");
Map<String, Integer> map = new HashMap<String, Integer>();
int index = 0;
for(String columnName : columnNames){
map.put(columnName, index++);
}
return map;
}
}
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