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Java > Open Source Codes > org > objectstyle > cayenne > access > DeleteDenyException


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3  * The ObjectStyle Group Software License, version 1.1
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56
57 package org.objectstyle.cayenne.access;
58
59 import org.objectstyle.cayenne.CayenneRuntimeException;
60 import org.objectstyle.cayenne.DataObject;
61 import org.objectstyle.cayenne.map.DeleteRule;
62 import org.objectstyle.cayenne.map.ObjRelationship;
63
64 /**
65  * An exception thrown during an attempt to delete an object that has a relationship to a
66  * non-null related object, that has a DENY delete rule.
67  *
68  * @author Craig Miskell
69  */
70 public class DeleteDenyException extends CayenneRuntimeException {
71
72     protected DataObject object;
73     protected ObjRelationship relationship;
74
75     /**
76      * Constructor for DeleteDenyException.
77      */
78     public DeleteDenyException() {
79         super();
80     }
81
82     /**
83      * Constructor for DeleteDenyException.
84      *
85      * @param message
86      */
87     public DeleteDenyException(String JavaDoc message) {
88         super(message);
89     }
90
91     /**
92      * @since 1.2
93      */
94     public DeleteDenyException(DataObject object, ObjRelationship relationship,
95             String JavaDoc reason) {
96         super(reason);
97         this.object = object;
98         this.relationship = relationship;
99     }
100
101     /**
102      * @since 1.2
103      */
104     public DataObject getObject() {
105         return object;
106     }
107
108     /**
109      * @since 1.2
110      */
111     public ObjRelationship getRelationship() {
112         return relationship;
113     }
114
115     public String JavaDoc getMessage() {
116         StringBuffer JavaDoc buffer = new StringBuffer JavaDoc();
117         buffer.append("Can't delete object");
118
119         if (object != null && object.getObjectId() != null) {
120             buffer.append(" with OID ").append(object.getObjectId());
121         }
122
123         if (relationship != null) {
124             buffer
125                     .append(". Reason: relationship '")
126                     .append(relationship.getName())
127                     .append("' has ")
128                     .append(DeleteRule.deleteRuleName(relationship.getDeleteRule()));
129         }
130
131         String JavaDoc message = super.getUnlabeledMessage();
132         if (message != null) {
133             buffer.append(". Details: ").append(message);
134         }
135
136         return buffer.toString();
137     }
138 }
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