- /*
- * Copyright 2002,2004 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.jexl.util.introspection;
-
-
- /**
- * Interface used for setting values that appear to be properties in
- * Velocity. Ex.
- *
- * #set($foo.bar = "hello")
- *
- * @author <a href="mailto:geirm@optonline.net">Geir Magnusson Jr.</a>
- * @version $Id: VelPropertySet.java,v 1.3 2004/02/28 13:45:22 yoavs Exp $
- */
- public interface VelPropertySet
- {
- /**
- * method used to set the value in the object
- *
- * @param o Object on which the method will be called with the arg
- * @param arg value to be set
- * @return the value returned from the set operation (impl specific)
- */
- public Object invoke(Object o, Object arg) throws Exception;
-
- /**
- * specifies if this VelPropertySet is cacheable and able to be
- * reused for this class of object it was returned for
- *
- * @return true if can be reused for this class, false if not
- */
- public boolean isCacheable();
-
- /**
- * returns the method name used to set this 'property'
- */
- public String getMethodName();
- }