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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 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=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*/
package org.onap.aai.rest.search;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
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 org.onap.aai.db.props.AAIProperties;
import org.onap.aai.dbgraphmap.SearchGraph;
import org.onap.aai.dbmap.DBConnectionType;
import org.onap.aai.exceptions.AAIException;
import org.onap.aai.introspection.Loader;
import org.onap.aai.introspection.LoaderFactory;
import org.onap.aai.introspection.ModelType;
import org.onap.aai.introspection.Version;
import org.onap.aai.logging.ErrorLogHelper;
import org.onap.aai.restcore.RESTAPI;
import org.onap.aai.serialization.db.DBSerializer;
import org.onap.aai.serialization.engines.QueryStyle;
import org.onap.aai.serialization.engines.TitanDBEngine;
import org.onap.aai.serialization.engines.TransactionalGraphEngine;
import org.onap.aai.serialization.queryformats.utils.UrlBuilder;
/**
* Implements the search subdomain in the REST API. All API calls must include
* X-FromAppId and X-TransactionId in the header.
*
*
*/
@Path("/{version: v2|v[789]|v1[012]|latest}/search")
public class SearchProvider extends RESTAPI {
protected static String authPolicyFunctionName = "search";
public static final String GENERIC_QUERY = "/generic-query";
public static final String NODES_QUERY = "/nodes-query";
/**
* Gets the generic query response.
*
* @param headers the headers
* @param req the req
* @param startNodeType the start node type
* @param startNodeKeyParams the start node key params
* @param includeNodeTypes the include node types
* @param depth the depth
* @return the generic query response
*/
/* ---------------- Start Generic Query --------------------- */
@GET
@Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
@Path(GENERIC_QUERY)
public Response getGenericQueryResponse(@Context HttpHeaders headers,
@Context HttpServletRequest req,
@QueryParam("start-node-type") final String startNodeType,
@QueryParam("key") final List<String> startNodeKeyParams,
@QueryParam("include") final List<String> includeNodeTypes,
@QueryParam("depth") final int depth,
@PathParam("version")String versionParam
) {
AAIException ex = null;
Response searchResult = null;
String fromAppId = null;
String transId = null;
String rqstTm = genDate();
ArrayList<String> templateVars = new ArrayList<String>();
try {
fromAppId = getFromAppId(headers);
transId = getTransId(headers);
String realTime = headers.getRequestHeaders().getFirst("Real-Time");
//only consider header value for search
DBConnectionType type = this.determineConnectionType("force-cache", realTime);
final Version version;
if ("latest".equals(versionParam)) {
version = AAIProperties.LATEST;
} else {
version = Version.valueOf(versionParam);
}
final ModelType factoryType = ModelType.MOXY;
Loader loader = LoaderFactory.createLoaderForVersion(factoryType, version);
TransactionalGraphEngine dbEngine = new TitanDBEngine(
QueryStyle.TRAVERSAL,
type,
loader);
DBSerializer dbSerializer = new DBSerializer(version, dbEngine, factoryType, fromAppId);
UrlBuilder urlBuilder = new UrlBuilder(version, dbSerializer);
SearchGraph searchGraph = new SearchGraph();
searchResult = searchGraph.runGenericQuery(
headers,
startNodeType,
startNodeKeyParams,
includeNodeTypes,
depth,
dbEngine,
loader,
urlBuilder
);
String respTm = genDate();
} catch (AAIException e) {
// send error response
ex = e;
templateVars.add("GET Search");
templateVars.add("getGenericQueryResponse");
searchResult = Response
.status(e.getErrorObject().getHTTPResponseCode())
.entity(ErrorLogHelper.getRESTAPIErrorResponse(headers.getAcceptableMediaTypes(), e, templateVars))
.build();
} catch (Exception e) {
// send error response
ex = new AAIException("AAI_4000", e);
templateVars.add("GET Search");
templateVars.add("getGenericQueryResponse");
searchResult = Response
.status(Status.INTERNAL_SERVER_ERROR)
.entity(ErrorLogHelper.getRESTAPIErrorResponse(headers.getAcceptableMediaTypes(), ex, templateVars))
.build();
} finally {
// log success or failure
if (ex != null){
ErrorLogHelper.logException(ex);
}
}
return searchResult;
}
/* ---------------- End Generic Query --------------------- */
/**
* Gets the nodes query response.
*
* @param headers the headers
* @param req the req
* @param searchNodeType the search node type
* @param edgeFilterList the edge filter list
* @param filterList the filter list
* @return the nodes query response
*/
/* ---------------- Start Nodes Query --------------------- */
@GET
@Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
@Path(NODES_QUERY)
public Response getNodesQueryResponse(@Context HttpHeaders headers,
@Context HttpServletRequest req,
@QueryParam("search-node-type") final String searchNodeType,
@QueryParam("edge-filter") final List<String> edgeFilterList,
@QueryParam("filter") final List<String> filterList,
@PathParam("version")String versionParam) {
AAIException ex = null;
Response searchResult = null;
String fromAppId = null;
String transId = null;
String rqstTm = genDate();
ArrayList<String> templateVars = new ArrayList<String>();
try {
fromAppId = getFromAppId(headers);
transId = getTransId(headers);
String realTime = headers.getRequestHeaders().getFirst("Real-Time");
//only consider header value for search
DBConnectionType type = this.determineConnectionType("force-cache", realTime);
final Version version;
if ("latest".equals(versionParam)) {
version = AAIProperties.LATEST;
} else {
version = Version.valueOf(versionParam);
}
final ModelType factoryType = ModelType.MOXY;
Loader loader = LoaderFactory.createLoaderForVersion(factoryType, version);
TransactionalGraphEngine dbEngine = new TitanDBEngine(
QueryStyle.TRAVERSAL,
type,
loader);
DBSerializer dbSerializer = new DBSerializer(version, dbEngine, factoryType, fromAppId);
UrlBuilder urlBuilder = new UrlBuilder(version, dbSerializer);
SearchGraph searchGraph = new SearchGraph();
searchResult = searchGraph.runNodesQuery(headers,
searchNodeType,
edgeFilterList,
filterList,
dbEngine,
loader,
urlBuilder);
String respTm = genDate();
} catch (AAIException e) {
// send error response
ex = e;
templateVars.add("GET Search");
templateVars.add("getNodesQueryResponse");
searchResult = Response
.status(e.getErrorObject().getHTTPResponseCode())
.entity(ErrorLogHelper.getRESTAPIErrorResponse(headers.getAcceptableMediaTypes(), e, templateVars))
.build();
} catch (Exception e) {
// send error response
ex = new AAIException("AAI_4000", e);
templateVars.add("GET Search");
templateVars.add("getNodesQueryResponse");
searchResult = Response
.status(Status.INTERNAL_SERVER_ERROR)
.entity(ErrorLogHelper.getRESTAPIErrorResponse(headers.getAcceptableMediaTypes(), ex, templateVars))
.build();
} finally {
// log success or failure
if (ex != null){
ErrorLogHelper.logException(ex);
}
}
return searchResult;
}
}
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