| package org.apache.rya.rdftriplestore.provenance.rdf; |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| |
| import java.util.ArrayList; |
| import java.util.Date; |
| import java.util.List; |
| import java.util.UUID; |
| |
| import org.openrdf.model.Resource; |
| import org.openrdf.model.Statement; |
| import org.openrdf.model.URI; |
| import org.openrdf.model.ValueFactory; |
| import org.openrdf.model.impl.ValueFactoryImpl; |
| import org.openrdf.model.vocabulary.RDF; |
| |
| /** |
| * Basic representation of Provenance data capture in RDF. |
| */ |
| public class BaseProvenanceModel implements RDFProvenanceModel { |
| |
| private static final ValueFactory vf = ValueFactoryImpl.getInstance(); |
| private static final Resource queryEventType = vf.createURI("http://rya.com/provenance#QueryEvent"); |
| private static final URI atTimeProperty = vf.createURI("http://www.w3.org/ns/prov#atTime"); |
| private static final URI associatedWithUser = vf.createURI("http://rya.com/provenance#associatedWithUser"); |
| private static final URI queryTypeProp = vf.createURI("http://rya.com/provenance#queryType"); |
| private static final URI executedQueryProperty = vf.createURI("http://rya.com/provenance#executedQuery"); |
| private static final String queryNameSpace = "http://rya.com/provenance#queryEvent"; |
| |
| /* (non-Javadoc) |
| * @see org.apache.rya.rdftriplestore.provenance.rdf.RDFProvenanceModel#getStatementsForQuery(java.lang.String, java.lang.String, java.lang.String) |
| */ |
| public List<Statement> getStatementsForQuery(String query, String user, String queryType) { |
| List<Statement> statements = new ArrayList<Statement>(); |
| // create some statements for the query |
| Resource queryEventResource = vf.createURI(queryNameSpace + UUID.randomUUID().toString()); |
| Statement queryEventDecl = vf.createStatement(queryEventResource, RDF.TYPE, queryEventType); |
| statements.add(queryEventDecl); |
| Statement queryEventTime = vf.createStatement(queryEventResource, atTimeProperty, vf.createLiteral(new Date())); |
| statements.add(queryEventTime); |
| Statement queryUser = vf.createStatement(queryEventResource, associatedWithUser, vf.createLiteral(user)); |
| statements.add(queryUser); |
| Statement executedQuery = vf.createStatement(queryEventResource, executedQueryProperty, vf.createLiteral(query)); |
| statements.add(executedQuery); |
| Statement queryTypeStatement = vf.createStatement(queryEventResource, queryTypeProp, vf.createLiteral(queryType)); |
| statements.add(queryTypeStatement); |
| return statements; |
| } |
| |
| } |