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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.rest;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.DefaultValue;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;
import javax.ws.rs.core.UriInfo;
import org.apache.tinkerpop.gremlin.structure.Vertex;
import org.openecomp.aai.db.AAIProperties;
import org.openecomp.aai.exceptions.AAIException;
import org.openecomp.aai.introspection.Introspector;
import org.openecomp.aai.introspection.Loader;
import org.openecomp.aai.introspection.MarshallerProperties;
import org.openecomp.aai.introspection.ModelType;
import org.openecomp.aai.introspection.Version;
import org.openecomp.aai.logging.LogLine;
import org.openecomp.aai.logging.LogLineBuilder;
import org.openecomp.aai.rest.db.HttpEntry;
import org.openecomp.aai.serialization.db.DBSerializer;
import org.openecomp.aai.serialization.engines.QueryStyle;
import org.openecomp.aai.serialization.engines.TransactionalGraphEngine;
import com.thinkaurelius.titan.core.TitanTransaction;
/**
* The Class VertexIdConsumer.
*/
@Path("{version: v[8]}/resources")
public class VertexIdConsumer extends RESTAPI {
private ModelType introspectorFactoryType = ModelType.MOXY;
private QueryStyle queryStyle = QueryStyle.TRAVERSAL;
private final String ID_ENDPOINT = "/id/{vertexid: \\d+}";
/**
* Gets the by vertex id.
*
* @param content the content
* @param versionParam the version param
* @param vertexid the vertexid
* @param depthParam the depth param
* @param headers the headers
* @param info the info
* @param req the req
* @return the by vertex id
*/
@GET
@Path(ID_ENDPOINT)
@Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
public Response getByVertexId(String content, @PathParam("version")String versionParam, @PathParam("vertexid")long vertexid, @DefaultValue("all") @QueryParam("depth") String depthParam, @Context HttpHeaders headers, @Context UriInfo info, @Context HttpServletRequest req) {
String outputMediaType = getMediaType(headers.getAcceptableMediaTypes());
String sourceOfTruth = headers.getRequestHeaders().getFirst("X-FromAppId");
String transId = headers.getRequestHeaders().getFirst("X-TransactionId");
Version version = Version.valueOf(versionParam);
LogLineBuilder llBuilder = new LogLineBuilder(transId, sourceOfTruth);
LogLine logline = llBuilder.build(COMPONENT, HttpMethod.GET.toString());
Status status = Status.NOT_FOUND;
String result = "";
Response response = null;
TitanTransaction g = null;
try {
int depth = setDepth(depthParam);
HttpEntry httpEntry = new HttpEntry(version, introspectorFactoryType, queryStyle, llBuilder);
TransactionalGraphEngine dbEngine = httpEntry.getDbEngine();
Loader loader = httpEntry.getLoader();
g = dbEngine.getGraph().newTransaction();
DBSerializer serializer = new DBSerializer(version, dbEngine, g, introspectorFactoryType, sourceOfTruth, llBuilder);
Vertex thisVertex = null;
Iterator<Vertex> itr = g.vertices(vertexid);
if (!itr.hasNext()) {
throw new AAIException("AAI_6114", "no node at that vertex id");
}
thisVertex = itr.next();
String objName = thisVertex.<String>property(AAIProperties.NODE_TYPE).orElse(null);
Introspector obj = loader.introspectorFromName(objName);
List<Vertex> vertexListWrapper= new ArrayList<Vertex>();
vertexListWrapper.add(thisVertex);
String cleanUp = "false";
obj = serializer.dbToObject(vertexListWrapper, obj, depth, cleanUp);
if (obj != null) {
status = Status.OK;
//this tells it to include the xml root in the marshalled object
MarshallerProperties marshprops = new MarshallerProperties.Builder(org.openecomp.aai.rest.MediaType.getEnum(outputMediaType))
.includeRoot(true)
.build();
result = obj.marshal(marshprops);
}
response = Response.ok().entity(result).status(status).type(outputMediaType).build();
} catch (AAIException e){
response = consumerExceptionResponseGenerator(headers, info, HttpMethod.GET, e, logline);
} catch (Exception e) {
AAIException ex = new AAIException("AAI_4000", e);
response = consumerExceptionResponseGenerator(headers, info, HttpMethod.GET, ex, logline);
} finally { //to close the titan transaction (I think)
if (g != null) {
g.rollback();
}
}
return response;
}
}
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