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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.be.model.jsontitan.utils;
import com.thinkaurelius.titan.core.TitanGraph;
import com.thinkaurelius.titan.core.TitanVertex;
import fj.data.Either;
import org.apache.tinkerpop.gremlin.structure.io.IoCore;
import org.openecomp.sdc.be.dao.jsongraph.GraphVertex;
import org.openecomp.sdc.be.dao.jsongraph.TitanDao;
import org.openecomp.sdc.be.dao.jsongraph.types.VertexTypeEnum;
import org.openecomp.sdc.be.dao.jsongraph.utils.IdBuilderUtils;
import org.openecomp.sdc.be.dao.titan.TitanOperationStatus;
import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
import org.openecomp.sdc.be.datatypes.enums.GraphPropertyEnum;
import org.openecomp.sdc.be.datatypes.enums.ResourceTypeEnum;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.util.Iterator;
import java.util.Map;
import java.util.UUID;
public final class GraphTestUtils {
public static GraphVertex createRootCatalogVertex(TitanDao titanDao) {
GraphVertex catalogRootVertex = new GraphVertex(VertexTypeEnum.CATALOG_ROOT);
catalogRootVertex.setUniqueId(IdBuilderUtils.generateUniqueId());
return titanDao.createVertex(catalogRootVertex)
.either(v -> v, s -> null);
}
public static GraphVertex createRootArchiveVertex(TitanDao titanDao) {
GraphVertex archiveRootVertex = new GraphVertex(VertexTypeEnum.ARCHIVE_ROOT);
archiveRootVertex.setUniqueId(IdBuilderUtils.generateUniqueId());
return titanDao.createVertex(archiveRootVertex)
.either(v -> v, s -> null);
}
public static GraphVertex createResourceVertex(TitanDao titanDao, Map<GraphPropertyEnum,Object> metadataProps, ResourceTypeEnum type) {
GraphVertex vertex = new GraphVertex();
if (type == ResourceTypeEnum.VF) {
vertex.setLabel(VertexTypeEnum.TOPOLOGY_TEMPLATE);
vertex.addMetadataProperty(GraphPropertyEnum.LABEL, VertexTypeEnum.TOPOLOGY_TEMPLATE);
} else {
vertex.setLabel(VertexTypeEnum.NODE_TYPE);
vertex.addMetadataProperty(GraphPropertyEnum.LABEL, VertexTypeEnum.NODE_TYPE);
}
String uuid = UUID.randomUUID().toString();
vertex.setUniqueId(uuid);
vertex.addMetadataProperty(GraphPropertyEnum.UNIQUE_ID, uuid);
vertex.addMetadataProperty(GraphPropertyEnum.COMPONENT_TYPE, ComponentTypeEnum.RESOURCE.name());
vertex.addMetadataProperty(GraphPropertyEnum.RESOURCE_TYPE, type.name());
vertex.addMetadataProperty(GraphPropertyEnum.IS_ABSTRACT, false);
for (Map.Entry<GraphPropertyEnum, Object> prop : metadataProps.entrySet()) {
vertex.addMetadataProperty(prop.getKey(), prop.getValue());
}
titanDao.createVertex(vertex);
titanDao.commit();
return vertex;
}
public static GraphVertex createServiceVertex(TitanDao titanDao, Map<GraphPropertyEnum, Object> metadataProps){
GraphVertex vertex = new GraphVertex(VertexTypeEnum.TOPOLOGY_TEMPLATE);
String uuid = UUID.randomUUID().toString();
vertex.setUniqueId(uuid);
vertex.addMetadataProperty(GraphPropertyEnum.LABEL, VertexTypeEnum.TOPOLOGY_TEMPLATE);
vertex.addMetadataProperty(GraphPropertyEnum.UNIQUE_ID, uuid);
vertex.addMetadataProperty(GraphPropertyEnum.COMPONENT_TYPE, ComponentTypeEnum.SERVICE.name());
for (Map.Entry<GraphPropertyEnum, Object> prop : metadataProps.entrySet()) {
vertex.addMetadataProperty(prop.getKey(), prop.getValue());
}
titanDao.createVertex(vertex);
titanDao.commit();
return vertex;
}
public static void clearGraph(TitanDao titanDao) {
Either<TitanGraph, TitanOperationStatus> graphResult = titanDao.getGraph();
TitanGraph graph = graphResult.left().value();
Iterable<TitanVertex> vertices = graph.query().vertices();
if (vertices != null) {
Iterator<TitanVertex> iterator = vertices.iterator();
while (iterator.hasNext()) {
TitanVertex vertex = iterator.next();
vertex.remove();
}
}
titanDao.commit();
}
public static String exportGraphMl(TitanGraph graph, String outputDirectory) {
String result = null;
String outputFile = outputDirectory + File.separator + "exportGraph." + System.currentTimeMillis() + ".graphml";
try {
try (final OutputStream os = new BufferedOutputStream(new FileOutputStream(outputFile))) {
graph.io(IoCore.graphml()).writer().normalize(true).create().writeGraph(os, graph);
}
result = outputFile;
graph.tx().commit();
} catch (Exception e) {
graph.tx().rollback();
e.printStackTrace();
}
return result;
}
}
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