// 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.treeimpl; import java.util.Collections; import java.util.Iterator; import java.util.LinkedList; import java.util.List; import de.ugoe.cs.autoquest.tasktrees.treeifc.IIteration; import de.ugoe.cs.autoquest.tasktrees.treeifc.IIterationInstance; import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskInstance; // TODO: Auto-generated Javadoc /** *
* Default implementation of {@link IIterationInstance}. *
* * @author Patrick Harms */ class IterationInstance extends TaskInstance implements IIterationInstance { /**default serial version UID
. */ private static final long serialVersionUID = 1L; /**the children of this task instance which are task instances, as well
. */ private List* initializes this instance with the respective task model *
. * * @param task the task of which this is an instance */ IterationInstance(IIteration task) { super(task); } /** ** used to add a child to this task instance at a specific position *
. * * @param index the position of the new child in the list of children * @param child the new child of this instance */ synchronized void addChild(int index, ITaskInstance child) { if (children == null) { children = new LinkedList* used to add a child to this task instance *
. * * @param child the new child of this instance */ synchronized void addChild(ITaskInstance child) { if (children == null) { children = new LinkedList* removes a child from this task instance at a specific position *
. * * @param index the position of the child to be removed * @return the child removed from the children of this instance */ synchronized ITaskInstance removeChild(int index) { if (children != null) { return children.remove(index); } else { throw new IllegalArgumentException( "this task instance does not have children that can be removed"); } } /* * (non-Javadoc) * * @see de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskInstanceList#size() */ @Override public int size() { if (children == null) { return 0; } else { return children.size(); } } }