[1113] | 1 | // Copyright 2012 Georg-August-Universität Göttingen, Germany |
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| 2 | // |
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| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
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| 4 | // you may not use this file except in compliance with the License. |
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| 5 | // You may obtain a copy of the License at |
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| 6 | // |
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| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
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| 8 | // |
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| 9 | // Unless required by applicable law or agreed to in writing, software |
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| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
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| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 12 | // See the License for the specific language governing permissions and |
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| 13 | // limitations under the License. |
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| 14 | |
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[1146] | 15 | package de.ugoe.cs.autoquest.tasktrees.taskequality; |
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[439] | 16 | |
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[1146] | 17 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITask; |
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[439] | 18 | |
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| 19 | /** |
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[557] | 20 | * <p> |
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[1146] | 21 | * A task comparison rule is used by the {@link TaskEqualityRuleManager} to compare tasks with |
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| 22 | * each other. It provides several methods to be called for a comparison. |
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[557] | 23 | * </p> |
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[439] | 24 | * |
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| 25 | * @version $Revision: $ $Date: 19.02.2012$ |
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| 26 | * @author 2012, last modified by $Author: patrick$ |
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| 27 | */ |
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[1146] | 28 | public interface TaskComparisonRule { |
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[439] | 29 | |
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[557] | 30 | /** |
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| 31 | * <p> |
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[1146] | 32 | * checks if the rule is applicable for comparing the two provided tasks |
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[1125] | 33 | * </p> |
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| 34 | * |
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[1146] | 35 | * @param task1 the first task to compare |
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| 36 | * @param task2 the second task to compare |
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[1125] | 37 | * |
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| 38 | * @return true, if the rule is applicable, false else |
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| 39 | */ |
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[1146] | 40 | public boolean isApplicable(ITask task1, ITask task2); |
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[1125] | 41 | |
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| 42 | /** |
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| 43 | * <p> |
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[1146] | 44 | * checks, if the provided tasks are lexically equal |
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[1125] | 45 | * </p> |
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| 46 | * |
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[1146] | 47 | * @param task1 the first task to compare |
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| 48 | * @param task2 the second task to compare |
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[1125] | 49 | * |
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[1146] | 50 | * @return true, if the tasks are equal, false else |
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[1125] | 51 | */ |
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[1146] | 52 | public boolean areLexicallyEqual(ITask task1, ITask task2); |
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[1125] | 53 | |
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| 54 | /** |
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| 55 | * <p> |
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[1146] | 56 | * checks, if the provided tasks are syntactically equal |
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[1125] | 57 | * </p> |
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| 58 | * |
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[1146] | 59 | * @param task1 the first task to compare |
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| 60 | * @param task2 the second task to compare |
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[1125] | 61 | * |
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[1146] | 62 | * @return true, if the tasks are equal, false else |
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[1125] | 63 | */ |
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[1146] | 64 | public boolean areSyntacticallyEqual(ITask task1, ITask task2); |
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[1125] | 65 | |
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| 66 | /** |
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| 67 | * <p> |
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[1146] | 68 | * checks, if the provided tasks are semantically equal |
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[1125] | 69 | * </p> |
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| 70 | * |
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[1146] | 71 | * @param task1 the first task to compare |
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| 72 | * @param task2 the second task to compare |
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[1125] | 73 | * |
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[1146] | 74 | * @return true, if the tasks are equal, false else |
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[1125] | 75 | */ |
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[1146] | 76 | public boolean areSemanticallyEqual(ITask task1, ITask task2); |
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[1125] | 77 | |
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| 78 | /** |
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| 79 | * <p> |
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[1146] | 80 | * compares two tasks with each other. The result of the method is either a task equality or |
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[557] | 81 | * null. If it is null, it means, that the rule is not able to correctly compare the two given |
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[1146] | 82 | * tasks |
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[557] | 83 | * </p> |
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| 84 | * |
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[1146] | 85 | * @param task1 the first task to compare |
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| 86 | * @param task2 the second task to compare |
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[557] | 87 | * |
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| 88 | * @return as described |
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| 89 | */ |
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[1146] | 90 | public TaskEquality compare(ITask task1, ITask task2); |
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[557] | 91 | |
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[439] | 92 | } |
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