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/**
* ============LICENSE_START=======================================================
* Gizmo
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property.
* Copyright © 2017 Amdocs
* 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=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*/
package org.openecomp.crud.service;
import com.att.ecomp.event.api.EventPublisher;
import org.openecomp.crud.dao.GraphDao;
import org.openecomp.crud.dao.champ.ChampDao;
import org.openecomp.crud.entity.Edge;
import org.openecomp.crud.entity.Vertex;
import org.openecomp.crud.exception.CrudException;
import org.openecomp.crud.parser.CrudResponseBuilder;
import org.openecomp.crud.util.CrudProperties;
import org.openecomp.crud.util.CrudServiceConstants;
import org.openecomp.schema.OxmModelLoader;
import org.openecomp.schema.OxmModelValidator;
import org.openecomp.schema.RelationshipSchemaLoader;
import org.openecomp.schema.RelationshipSchemaValidator;
import java.util.List;
import java.util.Map;
import java.util.Properties;
public class CrudGraphDataService {
private GraphDao dao;
public CrudGraphDataService(EventPublisher champEventPublisher) throws CrudException {
// Configure the GraphDao and wire it
Properties champProperties = new Properties();
champProperties.put(ChampDao.CONFIG_STORAGE_BACKEND, "titan");
champProperties.put(ChampDao.CONFIG_STORAGE_BACKEND_DB,
CrudProperties.get(CrudServiceConstants.CRD_STORAGE_BACKEND_DB, "hbase"));
champProperties.put(ChampDao.CONFIG_STORAGE_HOSTNAMES,
CrudProperties.get(CrudServiceConstants.CRD_GRAPH_HOST));
champProperties.put(ChampDao.CONFIG_STORAGE_PORT,
CrudProperties.get(CrudServiceConstants.CRD_GRAPH_PORT, "2181"));
champProperties.put(ChampDao.CONFIG_HBASE_ZNODE_PARENT,
CrudProperties.get(CrudServiceConstants.CRD_HBASE_ZNODE_PARENT, "/hbase-unsecure"));
if (CrudProperties.get("crud.graph.name") != null) {
champProperties.put(ChampDao.CONFIG_GRAPH_NAME, CrudProperties.get("crud.graph.name"));
}
if (champEventPublisher != null) {
champProperties.put(ChampDao.CONFIG_EVENT_STREAM_PUBLISHER, champEventPublisher);
}
if (CrudProperties.get(ChampDao.CONFIG_EVENT_STREAM_NUM_PUBLISHERS) != null) {
champProperties.put(ChampDao.CONFIG_EVENT_STREAM_NUM_PUBLISHERS,
Integer.parseInt(CrudProperties.get(ChampDao.CONFIG_EVENT_STREAM_NUM_PUBLISHERS)));
}
ChampDao champDao = new ChampDao(champProperties);
this.dao = champDao;
//load the schemas
OxmModelLoader.loadModels();
RelationshipSchemaLoader.loadModels();
}
public String addVertex(String version, String type, VertexPayload payload) throws CrudException {
Vertex vertex = OxmModelValidator.validateIncomingUpsertPayload(null, version, type,
payload.getProperties());
return addVertex(version, vertex);
}
private String addVertex(String version, Vertex vertex) throws CrudException {
Vertex addedVertex = dao.addVertex(vertex.getType(), vertex.getProperties());
return CrudResponseBuilder
.buildUpsertVertexResponse(OxmModelValidator.validateOutgoingPayload(version, addedVertex),
version);
}
public String addEdge(String version, String type, EdgePayload payload) throws CrudException {
Edge edge = RelationshipSchemaValidator.validateIncomingAddPayload(version, type, payload);
return addEdge(version, edge);
}
private String addEdge(String version, Edge edge) throws CrudException {
Edge addedEdge = dao.addEdge(edge.getType(), edge.getSource(), edge.getTarget(),
edge.getProperties());
return CrudResponseBuilder.buildUpsertEdgeResponse(
RelationshipSchemaValidator.validateOutgoingPayload(version, addedEdge), version);
}
public String getEdge(String version, String id, String type) throws CrudException {
RelationshipSchemaValidator.validateType(version, type);
Edge edge = dao.getEdge(id, type);
return CrudResponseBuilder.buildGetEdgeResponse(RelationshipSchemaValidator
.validateOutgoingPayload(version, edge),
version);
}
public String getEdges(String version, String type, Map<String, String> filter)
throws CrudException {
RelationshipSchemaValidator.validateType(version, type);
List<Edge> items = dao.getEdges(type, RelationshipSchemaValidator
.resolveCollectionfilter(version, type, filter));
return CrudResponseBuilder.buildGetEdgesResponse(items, version);
}
public String updateVertex(String version, String id, String type, VertexPayload payload)
throws CrudException {
Vertex vertex = OxmModelValidator.validateIncomingUpsertPayload(id, version, type,
payload.getProperties());
return updateVertex(version, vertex);
}
private String updateVertex(String version, Vertex vertex) throws CrudException {
Vertex updatedVertex = dao.updateVertex(vertex.getId().get(), vertex.getType(),
vertex.getProperties());
return CrudResponseBuilder
.buildUpsertVertexResponse(OxmModelValidator.validateOutgoingPayload(version,
updatedVertex), version);
}
public String patchVertex(String version, String id, String type, VertexPayload payload)
throws CrudException {
Vertex existingVertex = dao.getVertex(id, OxmModelValidator.resolveCollectionType(version,
type));
Vertex vertex = OxmModelValidator.validateIncomingPatchPayload(id, version, type,
payload.getProperties(), existingVertex);
return updateVertex(version, vertex);
}
public String deleteVertex(String version, String id, String type) throws CrudException {
type = OxmModelValidator.resolveCollectionType(version, type);
dao.deleteVertex(id, type);
return "";
}
public String deleteEdge(String version, String id, String type) throws CrudException {
RelationshipSchemaValidator.validateType(version, type);
dao.deleteEdge(id, type);
return "";
}
public String updateEdge(String version, String id, String type, EdgePayload payload)
throws CrudException {
Edge edge = dao.getEdge(id, type);
Edge validatedEdge = RelationshipSchemaValidator.validateIncomingUpdatePayload(edge,
version, payload);
return updateEdge(version, validatedEdge);
}
private String updateEdge(String version, Edge edge) throws CrudException {
Edge updatedEdge = dao.updateEdge(edge);
return CrudResponseBuilder.buildUpsertEdgeResponse(
RelationshipSchemaValidator.validateOutgoingPayload(version, updatedEdge), version);
}
public String patchEdge(String version, String id, String type, EdgePayload payload)
throws CrudException {
Edge edge = dao.getEdge(id, type);
Edge patchedEdge = RelationshipSchemaValidator.validateIncomingPatchPayload(edge,
version, payload);
return updateEdge(version, patchedEdge);
}
public String getVertex(String version, String id, String type) throws CrudException {
type = OxmModelValidator.resolveCollectionType(version, type);
Vertex vertex = dao.getVertex(id, type);
List<Edge> edges = dao.getVertexEdges(id);
return CrudResponseBuilder.buildGetVertexResponse(OxmModelValidator
.validateOutgoingPayload(version, vertex), edges, version);
}
public String getVertices(String version, String type, Map<String, String> filter)
throws CrudException {
type = OxmModelValidator.resolveCollectionType(version, type);
List<Vertex> items = dao.getVertices(type, OxmModelValidator.resolveCollectionfilter(version,
type, filter));
return CrudResponseBuilder.buildGetVerticesResponse(items, version);
}
}
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