001/** 002 * Copyright 2015 DuraSpace, Inc. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016package org.fcrepo.kernel.impl.rdf; 017 018import static com.hp.hpl.jena.rdf.model.ModelFactory.createDefaultModel; 019import static org.fcrepo.kernel.RdfLexicon.isManagedNamespace; 020import static org.fcrepo.kernel.RdfLexicon.isManagedPredicate; 021 022import com.google.common.base.Predicate; 023import com.hp.hpl.jena.graph.Triple; 024import com.hp.hpl.jena.rdf.model.Model; 025import com.hp.hpl.jena.rdf.model.Resource; 026 027/** 028 * {@link Predicate}s for determining when RDF is managed by the repository. 029 * 030 * @author ajs6f 031 * @since Oct 23, 2013 032 */ 033public final class ManagedRdf { 034 035 private static final Model model = createDefaultModel(); 036 037 /** 038 * No public constructor on utility class 039 */ 040 private ManagedRdf() { 041 } 042 043 public static final Predicate<Triple> isManagedTriple = 044 new Predicate<Triple>() { 045 046 @Override 047 public boolean apply(final Triple t) { 048 return isManagedPredicate.apply(model.asStatement(t) 049 .getPredicate()); 050 } 051 052 }; 053 054 public static final Predicate<Resource> isManagedMixin = 055 new Predicate<Resource>() { 056 057 @Override 058 public boolean apply(final Resource m) { 059 return isManagedNamespace.apply(m.getNameSpace()); 060 } 061 062 }; 063}