- /*
- * Copyright 1999-2004 The Apache Software Foundation
- *
- * Licensed 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.commons.jxpath;
-
- import java.util.Set;
-
- /**
- * A group of Function objects sharing a common namespace or a set of
- * common namespaces. Use the classes
- * {@link ClassFunctions ClassFunctions} and
- * {@link PackageFunctions PackageFunctions}
- * to register extension functions implemented as Java methods.
- *
- * @author Dmitri Plotnikov
- * @version $Revision: 1.7 $ $Date: 2004/02/29 14:17:42 $
- */
- public interface Functions {
-
- /**
- * Returns all namespaces in which this function collection defines
- * functions.
- */
- Set getUsedNamespaces();
-
- /**
- * Returns a Function, if any, for the specified namespace,
- * name and parameter types.
- */
- Function getFunction(String namespace, String name, Object[] parameters);
- }