| /* |
| * 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. |
| */ |
| package org.apache.stanbol.enhancer.benchmark.impl; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.apache.clerezza.rdf.core.Graph; |
| import org.apache.clerezza.rdf.core.NonLiteral; |
| import org.apache.clerezza.rdf.core.Triple; |
| import org.apache.clerezza.rdf.core.UriRef; |
| import org.apache.stanbol.enhancer.benchmark.TripleMatcher; |
| import org.apache.stanbol.enhancer.benchmark.TripleMatcherGroup; |
| |
| public class TripleMatcherGroupImpl implements TripleMatcherGroup { |
| |
| private List<TripleMatcher> matchers = new ArrayList<TripleMatcher>(); |
| private boolean isExpect; |
| private String description; |
| |
| TripleMatcherGroupImpl(boolean isExpect, String description) { |
| this.isExpect = isExpect; |
| this.description = description; |
| } |
| |
| void addMatcher(TripleMatcher m) { |
| matchers.add(m); |
| } |
| |
| @Override |
| public String toString() { |
| return getClass().getSimpleName() + " (" + description + ")"; |
| } |
| |
| @Override |
| public boolean isExpectGroup() { |
| return isExpect; |
| } |
| |
| @Override |
| public String getDescription() { |
| return description; |
| } |
| |
| @Override |
| public Set<UriRef> getMatchingSubjects(Graph g) { |
| if(matchers.isEmpty()) { |
| return new HashSet<UriRef>(); |
| } |
| |
| // For all matchers, find the set of subjects that match |
| // and compute the intersection of those sets |
| Set<UriRef> intersection = null; |
| for(TripleMatcher m : matchers) { |
| final Set<UriRef> s = new HashSet<UriRef>(); |
| final Iterator<Triple> it = g.iterator(); |
| while(it.hasNext()) { |
| final Triple t = it.next(); |
| if(m.matches(t)) { |
| final NonLiteral n = t.getSubject(); |
| if(n instanceof UriRef) { |
| s.add((UriRef)n); |
| } else { |
| // TODO do we need to handle non-UriRef subjects? |
| } |
| } |
| } |
| |
| if(intersection == null) { |
| intersection = s; |
| } else { |
| intersection.retainAll(s); |
| } |
| } |
| |
| return intersection; |
| } |
| |
| @Override |
| public Collection<TripleMatcher> getMatchers() { |
| return matchers; |
| } |
| } |