| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| HasKey |
|
| 1.0;1 |
| 1 | /** | |
| 2 | * Copyright 2010 The Kuali Foundation | |
| 3 | * | |
| 4 | * Licensed under the Educational Community License, Version 2.0 (the | |
| 5 | * "License"); you may not use this file except in compliance with the | |
| 6 | * License. You may obtain a copy of the License at | |
| 7 | * | |
| 8 | * http://www.osedu.org/licenses/ECL-2.0 | |
| 9 | * | |
| 10 | * Unless required by applicable law or agreed to in writing, software | |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or | |
| 13 | * implied. See the License for the specific language governing | |
| 14 | * permissions and limitations under the License. | |
| 15 | */ | |
| 16 | ||
| 17 | package org.kuali.student.r2.common.infc; | |
| 18 | ||
| 19 | /** | |
| 20 | * Common service pattern for entities. This interface is applied to | |
| 21 | * entites that are identified by a Key. | |
| 22 | * | |
| 23 | * @author nwright | |
| 24 | */ | |
| 25 | ||
| 26 | public interface HasKey | |
| 27 | extends HasPrimaryKey { | |
| 28 | ||
| 29 | /** | |
| 30 | * Unique key to this object. Unlike an Id this key can be | |
| 31 | * explicitly set by the application and is intended to be | |
| 32 | * "somewhat" readable by a human. | |
| 33 | * | |
| 34 | * A Key:<ul> | |
| 35 | ||
| 36 | * <li>A Key is used when the actual value is important</li> | |
| 37 | * <li>A Key value might be kuali.org.School</li> | |
| 38 | * <li>A Key on occasion may be used or seen by an end | |
| 39 | * user.</li> | |
| 40 | * <li>Keys are assumed to have the same values in different KS | |
| 41 | * implementations</li> | |
| 42 | * <li>Key values are defined in configuration</li> | |
| 43 | * <li>Key values have significance in that they are referenced | |
| 44 | * in Configuration</li> | |
| 45 | * <li>Key values are expected to be occasionally used in | |
| 46 | * application code</li> | |
| 47 | * </ul> | |
| 48 | * | |
| 49 | * Once an object is created with the specified key it cannot be | |
| 50 | * changed. Instead the object must be deleted or in-activated and | |
| 51 | * a new object created with the right key. | |
| 52 | * | |
| 53 | * @name Key | |
| 54 | * @readOnly on updates | |
| 55 | * @required on updates | |
| 56 | */ | |
| 57 | public String getKey(); | |
| 58 | } |