1 | // Copyright 2012 Georg-August-Universität Göttingen, Germany |
---|
2 | // |
---|
3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
---|
4 | // you may not use this file except in compliance with the License. |
---|
5 | // You may obtain a copy of the License at |
---|
6 | // |
---|
7 | // http://www.apache.org/licenses/LICENSE-2.0 |
---|
8 | // |
---|
9 | // Unless required by applicable law or agreed to in writing, software |
---|
10 | // distributed under the License is distributed on an "AS IS" BASIS, |
---|
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
---|
12 | // See the License for the specific language governing permissions and |
---|
13 | // limitations under the License. |
---|
14 | |
---|
15 | package de.ugoe.cs.autoquest.tasktrees.temporalrelation; |
---|
16 | |
---|
17 | import de.ugoe.cs.autoquest.tasktrees.taskequality.TaskEquality; |
---|
18 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskInstance; |
---|
19 | |
---|
20 | /** |
---|
21 | * <p> |
---|
22 | * symbol comparator implementation for task instances considering to task instances as equal if |
---|
23 | * they refer to the identical task object (comparison of object references). |
---|
24 | * </p> |
---|
25 | */ |
---|
26 | class TaskIdentityComparator extends TaskInstanceComparator { |
---|
27 | |
---|
28 | /** */ |
---|
29 | private static final long serialVersionUID = 1L; |
---|
30 | |
---|
31 | /** |
---|
32 | * <p> |
---|
33 | * initializes the parent class with the task equality {@link TaskEquality#IDENTICAL}. |
---|
34 | * </p> |
---|
35 | */ |
---|
36 | public TaskIdentityComparator() { |
---|
37 | super(TaskEquality.IDENTICAL); |
---|
38 | } |
---|
39 | |
---|
40 | /* (non-Javadoc) |
---|
41 | * @see SymbolComparator#equals(Object, Object) |
---|
42 | */ |
---|
43 | @Override |
---|
44 | public boolean equals(ITaskInstance taskInstance1, ITaskInstance taskInstance2) { |
---|
45 | return taskInstance1.getTask() == taskInstance2.getTask(); |
---|
46 | } |
---|
47 | |
---|
48 | } |
---|