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/*
* 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;
import org.apache.jena.graph.Graph ;
import org.apache.jena.graph.Node ;
/**
* A graph with an associated name.
* <p>
* Sometimes there is an associated name with a graph, where it lives on the web,
* or the name in a dataset.
* <p>
* This interface is for graph that have one associated name.
* What "associated" means is left open.
*
* @see GraphView
* @see NamedGraphWrapper
*/
public interface NamedGraph extends Graph {
/**
* Return the graph name for this graph.
* Blank nodes can be used.
* <p>
* A named graph of "null" is discouraged - use {@link Quad#defaultGraphIRI}
* for a default graph in the context of use.
*/
public Node getGraphName();
}