Ejemplo n.º 1
0
        /// <summary>
        /// Computes the traceability between source and target artifacts using dictionary and American Corpus Term weigths.
        /// </summary>
        /// <param name="sourceArtifacts">The source artifacts.</param>
        /// <param name="targetArtifacts">The target artifacts.</param>
        /// <param name="dict">The dict.</param>
        /// <param name="ancTermsWeights">The anc terms weights.</param>
        /// <param name="config">The config.</param>
        /// <returns>Similarity matrix with links between source and target artifacts</returns>
        private static TLSimilarityMatrix ComputeTraceability(TLArtifactsCollection sourceArtifacts,
                                                              TLArtifactsCollection targetArtifacts,
                                                              TLDictionaryIndex dict,
                                                              TLKeyValuePairsList ancTermsWeights,
                                                              TracerConfig config)
        {
            if (sourceArtifacts == null)
            {
                throw new ComponentException("Received source artifacts are null!");
            }

            if (targetArtifacts == null)
            {
                throw new ComponentException("Received target artifacts are null!");
            }

            if (dict == null)
            {
                throw new ComponentException("Received dictionary index is null!");
            }

            if (ancTermsWeights == null)
            {
                throw new ComponentException("Received 'ancTermsWeights' is null!");
            }

            TLSimilarityMatrix similarityMatrix = new TLSimilarityMatrix();


            ANCSearcher searcher = new ANCSearcher(SimilarityMetricFactory.GetSimiliarityMetric(config.SimilarityMetric));

            // Iterates over all the source artifacts to determine the probabilities to target artifacts - by executing a search
            foreach (TLArtifact sourceArtifact in sourceArtifacts.Values)
            {
                String query = sourceArtifact.Text;

                // Executes the query
                List <Result> results;
                results = searcher.search(query, dict, PrepareANCData(ancTermsWeights));

                // Iterates over the results and stores them in the matrix
                foreach (Result r in results)
                {
                    string targetArtifactId = r.ArtifactId;
                    similarityMatrix.AddLink(sourceArtifact.Id, targetArtifactId, r.Ranking);
                }
            }
            return(similarityMatrix);
        }
        /// <summary>
        /// Computes the traceability between source and target artifacts using dictionary and American Corpus Term weigths.
        /// </summary>
        /// <param name="sourceArtifacts">The source artifacts.</param>
        /// <param name="targetArtifacts">The target artifacts.</param>
        /// <param name="dict">The dict.</param>
        /// <param name="ancTermsWeights">The anc terms weights.</param>
        /// <param name="config">The config.</param>
        /// <returns>Similarity matrix with links between source and target artifacts</returns>
        private static TLSimilarityMatrix ComputeTraceability(TLArtifactsCollection sourceArtifacts, 
                                                              TLArtifactsCollection targetArtifacts, 
                                                              TLDictionaryIndex dict, 
                                                              TLKeyValuePairsList ancTermsWeights, 
                                                              TracerConfig config)
        {
            if (sourceArtifacts == null)
            {
                throw new ComponentException("Received source artifacts are null!");
            }

            if (targetArtifacts == null)
            {
                throw new ComponentException("Received target artifacts are null!");
            }

            if (dict == null)
            {
                throw new ComponentException("Received dictionary index is null!");
            }

            if (ancTermsWeights == null)
            {
                throw new ComponentException("Received 'ancTermsWeights' is null!");
            }

            TLSimilarityMatrix similarityMatrix = new TLSimilarityMatrix();

            
            ANCSearcher searcher = new ANCSearcher(SimilarityMetricFactory.GetSimiliarityMetric(config.SimilarityMetric));

            // Iterates over all the source artifacts to determine the probabilities to target artifacts - by executing a search
            foreach (TLArtifact sourceArtifact in sourceArtifacts.Values)
            {

                String query = sourceArtifact.Text;

                // Executes the query
                List<Result> results;
                results = searcher.search(query, dict, PrepareANCData(ancTermsWeights));

                // Iterates over the results and stores them in the matrix
                foreach (Result r in results)
                {
                    string targetArtifactId = r.ArtifactId;
                    similarityMatrix.AddLink(sourceArtifact.Id, targetArtifactId, r.Ranking);
                }
            }
            return similarityMatrix;
        }