/* * 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.jena.sparql.core.mem; import java.util.stream.Stream; import org.apache.jena.graph.Node; import org.apache.jena.graph.Triple; /** * A simplex or multiplex table of {@link Triple}s. */ public interface TripleTable extends TupleTable<Triple> { /** * Search the table using a pattern of slots. {@link Node#ANY} or <code>null</code> will work as a wildcard. * * @param s the subject node of the pattern * @param p the predicate node of the pattern * @param o the object node of the pattern * @return an {@link Stream} of matched triples */ Stream<Triple> find(final Node s, final Node p, final Node o); @Override default void clear() { find(null, null, null).forEach(this::delete); } }