source: branches/autoquest-core-tasktrees-alignment/src/main/java/de/ugoe/cs/autoquest/tasktrees/treeifc/ITaskInstanceVisitor.java @ 1734

//   Copyright 2012 Georg-August-Universität Göttingen, Germany
//
//   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 de.ugoe.cs.autoquest.tasktrees.treeifc;

// TODO: Auto-generated Javadoc
/**
 * <p>
 * This is an implementation of the visitor pattern. Through this, it is
 * possible to effectively process a task instance tree.
 * </p>
 * 
 * @author Patrick Harms
 */
public interface ITaskInstanceVisitor {

        /**
         * <p>
         * method called for each visited event task instance.
         * </p>
         * 
         * @param eventTaskInstance
         *            the event task instance to be processed
         */
        public void visit(IEventTaskInstance eventTaskInstance);

        /**
         * <p>
         * method called for each visited iteration instance.
         * </p>
         * 
         * @param iterationInstance
         *            the iteration instance to be processed
         */
        public void visit(IIterationInstance iterationInstance);

        /**
         * <p>
         * method called for each visited optional instance.
         * </p>
         * 
         * @param optionalInstance
         *            the optional instance to be processed
         */
        public void visit(IOptionalInstance optionalInstance);

        /**
         * <p>
         * method called for each visited selection instance.
         * </p>
         * 
         * @param selectionInstance
         *            the selection instance to be processed
         */
        public void visit(ISelectionInstance selectionInstance);

        /**
         * <p>
         * method called for each visited sequence instance.
         * </p>
         * 
         * @param sequenceInstance
         *            the sequence instance to be processed
         */
        public void visit(ISequenceInstance sequenceInstance);

        /**
         * <p>
         * method called for each other kind of visited task instance (implemented
         * to support future versions).
         * </p>
         * 
         * @param taskInstance
         *            the task instance to be processed
         */
        public void visit(ITaskInstance taskInstance);

}