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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* 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.sdc.asdctool.impl;
import org.apache.tinkerpop.gremlin.structure.Edge;
import org.apache.tinkerpop.gremlin.structure.Vertex;
import org.janusgraph.core.JanusGraph;
import org.janusgraph.core.JanusGraphException;
import org.janusgraph.core.JanusGraphFactory;
import org.janusgraph.core.JanusGraphQuery;
import org.janusgraph.core.PropertyKey;
import org.janusgraph.core.schema.ConsistencyModifier;
import org.janusgraph.core.schema.JanusGraphIndex;
import org.janusgraph.core.schema.JanusGraphManagement;
import org.openecomp.sdc.be.dao.graph.datatype.ActionEnum;
import org.openecomp.sdc.be.dao.graph.datatype.GraphElementTypeEnum;
import org.openecomp.sdc.be.dao.jsongraph.types.VertexTypeEnum;
import org.openecomp.sdc.be.dao.jsongraph.utils.IdBuilderUtils;
import org.openecomp.sdc.be.dao.neo4j.GraphEdgePropertiesDictionary;
import org.openecomp.sdc.be.dao.neo4j.GraphPropertiesDictionary;
import org.openecomp.sdc.be.dao.utils.UserStatusEnum;
import org.openecomp.sdc.be.datatypes.enums.GraphPropertyEnum;
import org.openecomp.sdc.be.datatypes.enums.NodeTypeEnum;
import org.openecomp.sdc.be.resources.data.UserData;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
public class JanusGraphInitializer {
private static Logger logger = LoggerFactory.getLogger(JanusGraphInitializer.class.getName());
private static JanusGraph graph;
public static boolean createGraph(String janusGraphCfgFile) {
logger.info("** createGraph with {}", janusGraphCfgFile);
try {
logger.info("createGraph : try to load file {}", janusGraphCfgFile);
graph = JanusGraphFactory.open(janusGraphCfgFile);
if (graph.isClosed()) {
return false;
}
} catch (JanusGraphException e) {
logger.info("createGraph : failed to open JanusGraph graph with configuration file: {}", janusGraphCfgFile, e);
return false;
}
createIndexesAndDefaults();
logger.info("** JanusGraph graph created ");
return true;
}
private static boolean isVertexExist(Map<String, Object> properties) {
JanusGraphQuery query = graph.query();
if (properties != null && !properties.isEmpty()) {
for (Map.Entry<String, Object> entry : properties.entrySet()) {
query = query.has(entry.getKey(), entry.getValue());
}
}
Iterable<Vertex> vertecies = query.vertices();
java.util.Iterator<Vertex> iterator = vertecies.iterator();
if (iterator.hasNext()) {
return true;
}
return false;
}
private static boolean isVertexNotExist(Map<String, Object> properties) {
return !isVertexExist(properties);
}
private static void createDefaultAdminUser() {
createUser(getDefaultUserAdmin());
graph.tx().commit();
}
private static void createUser(UserData user) {
Map<String, Object> checkedProperties = new HashMap<>();
checkedProperties.put(GraphPropertiesDictionary.USERID.getProperty(), user.getUserId());
checkedProperties.put(GraphPropertiesDictionary.LABEL.getProperty(), NodeTypeEnum.User.getName());
Map<String, Object> properties = null;
if (!isVertexExist(checkedProperties)) {
Vertex vertex = graph.addVertex();
vertex.property(GraphPropertiesDictionary.LABEL.getProperty(), NodeTypeEnum.User.getName());
properties = user.toGraphMap();
for (Map.Entry<String, Object> entry : properties.entrySet()) {
vertex.property(entry.getKey(), entry.getValue());
}
}
}
private static UserData getDefaultUserAdmin() {
UserData userData = new UserData();
userData.setAction(ActionEnum.Create);
userData.setElementType(GraphElementTypeEnum.Node);
userData.setUserId("jh0003");
userData.setEmail("admin@sdc.com");
userData.setFirstName("Jimmy");
userData.setLastName("Hendrix");
userData.setRole("ADMIN");
userData.setStatus(UserStatusEnum.ACTIVE.name());
userData.setLastLoginTime(0L);
return userData;
}
private static void createVertexIndixes() {
logger.info("** createVertexIndixes started");
JanusGraphManagement graphMgt = graph.openManagement();
JanusGraphIndex index = null;
for (GraphPropertiesDictionary prop : GraphPropertiesDictionary.values()) {
PropertyKey propKey = null;
if (!graphMgt.containsPropertyKey(prop.getProperty())) {
Class<?> clazz = prop.getClazz();
if (!clazz.isAssignableFrom(ArrayList.class) && !clazz.isAssignableFrom(HashMap.class)) {
propKey = graphMgt.makePropertyKey(prop.getProperty()).dataType(prop.getClazz()).make();
}
} else {
propKey = graphMgt.getPropertyKey(prop.getProperty());
}
if (prop.isIndexed()) {
if (!graphMgt.containsGraphIndex(prop.getProperty())) {
if (prop.isUnique()) {
index = graphMgt.buildIndex(prop.getProperty(), Vertex.class).addKey(propKey).unique().buildCompositeIndex();
graphMgt.setConsistency(propKey, ConsistencyModifier.LOCK); // Ensures
// only
// one
// name
// per
// vertex
graphMgt.setConsistency(index, ConsistencyModifier.LOCK); // Ensures
// name
// uniqueness
// in
// the
// graph
} else {
graphMgt.buildIndex(prop.getProperty(), Vertex.class).addKey(propKey).buildCompositeIndex();
}
}
}
}
graphMgt.commit();
logger.info("** createVertexIndixes ended");
}
private static void createEdgeIndixes() {
logger.info("** createEdgeIndixes started");
JanusGraphManagement graphMgt = graph.openManagement();
for (GraphEdgePropertiesDictionary prop : GraphEdgePropertiesDictionary.values()) {
if (!graphMgt.containsGraphIndex(prop.getProperty())) {
PropertyKey propKey = graphMgt.makePropertyKey(prop.getProperty()).dataType(prop.getClazz()).make();
graphMgt.buildIndex(prop.getProperty(), Edge.class).addKey(propKey).buildCompositeIndex();
}
}
graphMgt.commit();
logger.info("** createEdgeIndixes ended");
}
private static void createIndexesAndDefaults() {
createVertexIndixes();
createEdgeIndixes();
createDefaultAdminUser();
createRootVertex(VertexTypeEnum.CATALOG_ROOT);
createRootVertex(VertexTypeEnum.ARCHIVE_ROOT);
}
private static void createRootVertex(VertexTypeEnum vertexTypeEnum) {
Map<String, Object> checkedProperties = new HashMap<>();
checkedProperties.put(GraphPropertiesDictionary.LABEL.getProperty(), vertexTypeEnum.getName());
if (isVertexNotExist(checkedProperties)) {
Vertex vertex = graph.addVertex();
vertex.property(GraphPropertyEnum.UNIQUE_ID.getProperty(), IdBuilderUtils.generateUniqueId());
vertex.property(GraphPropertyEnum.LABEL.getProperty(), vertexTypeEnum.getName());
graph.tx().commit();
}
}
}
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