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/*-
* ============LICENSE_START=======================================================
* org.openecomp.aai
* ================================================================================
* Copyright (C) 2017 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.openecomp.aai.db.schema;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
import javax.xml.XMLConstants;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.openecomp.aai.db.AAIProperties;
import org.openecomp.aai.dbmodel.DbEdgeRules;
import org.openecomp.aai.introspection.Introspector;
import org.openecomp.aai.introspection.Loader;
import org.openecomp.aai.introspection.LoaderFactory;
import org.openecomp.aai.introspection.ModelType;
import org.openecomp.aai.introspection.Version;
import org.openecomp.aai.logging.LogLineBuilder;
import org.openecomp.aai.util.AAIConstants;
import org.w3c.dom.Document;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
import com.google.common.collect.Multimap;
import com.thinkaurelius.titan.core.Cardinality;
import com.thinkaurelius.titan.core.Multiplicity;
import com.thinkaurelius.titan.core.schema.SchemaStatus;
public class AuditOXM extends Auditor {
private Set<Introspector> allObjects;
private final LogLineBuilder llBuilder = new LogLineBuilder();
/**
* Instantiates a new audit OXM.
*
* @param version the version
*/
public AuditOXM(Version version) {
Loader loader = LoaderFactory.createLoaderForVersion(ModelType.MOXY, version, llBuilder);
Set<String> objectNames = getAllObjects(version);
allObjects = new HashSet<>();
for (String key : objectNames) {
Introspector temp = loader.introspectorFromName(key);
allObjects.add(temp);
this.createDBProperties(temp);
}
for (Introspector temp : allObjects) {
this.createDBIndexes(temp);
}
createEdgeLabels();
}
/**
* Gets the all objects.
*
* @param version the version
* @return the all objects
*/
private Set<String> getAllObjects(Version version) {
String fileName = AAIConstants.AAI_HOME_ETC_OXM + "aai_oxm_" + version.toString() + ".xml";
Set<String> result = new HashSet<>();
DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
try {
docFactory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
DocumentBuilder docBuilder = docFactory.newDocumentBuilder();
Document doc = docBuilder.parse(fileName);
NodeList list = doc.getElementsByTagName("java-type");
for (int i = 0; i < list.getLength(); i++) {
result.add(list.item(i).getAttributes().getNamedItem("name").getNodeValue());
}
} catch (ParserConfigurationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SAXException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
result.remove("EdgePropNames");
return result;
}
/**
* Creates the DB properties.
*
* @param temp the temp
*/
private void createDBProperties(Introspector temp) {
List<String> objectProperties = temp.getProperties();
for (String prop : objectProperties) {
if (!properties.containsKey(prop)) {
DBProperty dbProperty = new DBProperty();
dbProperty.setName(prop);
if (temp.isListType(prop)) {
dbProperty.setCardinality(Cardinality.SET);
if (temp.isSimpleGenericType(prop)) {
Class<?> clazz = null;
try {
clazz = Class.forName(temp.getGenericType(prop));
} catch (ClassNotFoundException e) {
clazz = Object.class;
}
dbProperty.setTypeClass(clazz);
properties.put(prop, dbProperty);
}
} else {
dbProperty.setCardinality(Cardinality.SINGLE);
if (temp.isSimpleType(prop)) {
Class<?> clazz = null;
try {
clazz = Class.forName(temp.getType(prop));
} catch (ClassNotFoundException e) {
clazz = Object.class;
}
dbProperty.setTypeClass(clazz);
properties.put(prop, dbProperty);
}
}
}
}
}
/**
* Creates the DB indexes.
*
* @param temp the temp
*/
private void createDBIndexes(Introspector temp) {
String uniqueProps = temp.getMetadata("uniqueProps");
String namespace = temp.getMetadata("namespace");
if (uniqueProps == null) {
uniqueProps = "";
}
if (namespace == null) {
namespace = "";
}
boolean isTopLevel = namespace != "";
List<String> unique = Arrays.asList(uniqueProps.split(","));
List<String> indexed = temp.getIndexedProperties();
List<String> keys = temp.getKeys();
for (String prop : indexed) {
DBIndex dbIndex = new DBIndex();
LinkedHashSet<DBProperty> properties = new LinkedHashSet<>();
if (!this.indexes.containsKey(prop)) {
dbIndex.setName(prop);
dbIndex.setUnique(unique.contains(prop));
properties.add(this.properties.get(prop));
dbIndex.setProperties(properties);
dbIndex.setStatus(SchemaStatus.ENABLED);
this.indexes.put(prop, dbIndex);
}
}
if (keys.size() > 1 || isTopLevel) {
DBIndex dbIndex = new DBIndex();
LinkedHashSet<DBProperty> properties = new LinkedHashSet<>();
dbIndex.setName("key-for-" + temp.getDbName());
if (!this.indexes.containsKey(dbIndex.getName())) {
boolean isUnique = false;
if (isTopLevel) {
properties.add(this.properties.get(AAIProperties.NODE_TYPE));
}
for (String key : keys) {
properties.add(this.properties.get(key));
if (unique.contains(key) && !isUnique) {
isUnique = true;
}
}
dbIndex.setUnique(isUnique);
dbIndex.setProperties(properties);
dbIndex.setStatus(SchemaStatus.ENABLED);
this.indexes.put(dbIndex.getName(), dbIndex);
}
}
}
/**
* Creates the edge labels.
*/
private void createEdgeLabels() {
Multimap<String, String> edgeRules = DbEdgeRules.EdgeRules;
for (String key : edgeRules.keySet()) {
Collection<String> collection = edgeRules.get(key);
EdgeProperty prop = new EdgeProperty();
//there is only ever one, they used the wrong type for EdgeRules
String label = "";
for (String item : collection) {
label = item.split(",")[0];
}
prop.setName(label);
prop.setMultiplicity(Multiplicity.MULTI);
this.edgeLabels.put(label, prop);
}
}
/**
* Gets the all introspectors.
*
* @return the all introspectors
*/
public Set<Introspector> getAllIntrospectors() {
return this.allObjects;
}
}
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