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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15 | package de.ugoe.cs.autoquest.tasktrees.temporalrelation; |
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16 | |
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17 | import java.util.List; |
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18 | |
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19 | import de.ugoe.cs.autoquest.tasktrees.treeifc.IUserSession; |
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20 | |
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21 | /** |
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22 | * <p> |
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23 | * A session scope rule is able to detected temporal relationships between task instances of the |
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24 | * sessions provided to the {@link #apply(List<IUserSession>)} method. The rule creates temporal |
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25 | * relationships between the tasks of the task instances, i.e. substructures in the task tree, if |
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26 | * it detects a temporal relationship and instantiates the temporal relationships according to |
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27 | * their occurrences. |
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28 | * </p> |
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29 | * |
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30 | * @author Patrick Harms |
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31 | */ |
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32 | interface ISessionScopeRule extends ITemporalRelationshipRule { |
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33 | |
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34 | /** |
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35 | * <p> |
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36 | * Applies the rule to the given sessions. The returned rule application result is null, if the |
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37 | * rule can not be applied, i.e. it does not detect a temporal relationship. It returns a rule |
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38 | * application result with a status {@link RuleApplicationStatus#RULE_APPLICATION_FINISHED} if |
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39 | * the rule was applied. The result contains all newly created tasks and task instances. |
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40 | * </p> |
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41 | * |
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42 | * @param sessions the session on which the rule shall be applied |
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43 | * |
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44 | * @return the rule application result as described. |
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45 | */ |
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46 | RuleApplicationResult apply(List<IUserSession> sessions); |
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47 | |
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48 | } |
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