| /* |
| * 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.graph; |
| |
| import org.apache.jena.shared.PrefixMapping ; |
| |
| /** |
| A Node_ANY (there should be only one) is a meta-node that is used to stand |
| for any other node in a query. |
| */ |
| |
| public class Node_ANY extends Node_Fluid |
| { |
| /* package */ Node_ANY() { super( "" ); } |
| |
| /** Node_ANY's are only equal to other Node_ANY's */ |
| @Override |
| public boolean equals( Object other ) |
| { |
| if ( this == other ) return true ; |
| return other instanceof Node_ANY; |
| } |
| |
| @Override |
| public Object visitWith( NodeVisitor v ) |
| { return v.visitAny( this ); } |
| |
| @Override |
| public boolean matches( Node other ) |
| { return other != null; } |
| |
| @Override |
| public String toString() |
| { return "ANY"; } |
| |
| @Override |
| public String toString( PrefixMapping pm, boolean quoting ) |
| { return "ANY"; } |
| } |