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Java > Open Source Codes > org > apache > cayenne > reflect > pojo > EnhancedPojoPropertyFaultHandler


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19 package org.apache.cayenne.reflect.pojo;
20
21 import org.apache.cayenne.reflect.Accessor;
22 import org.apache.cayenne.reflect.FieldAccessor;
23
24 /**
25  * Handles property fault resolving.
26  *
27  * @since 3.0
28  * @author Andrus Adamchik
29  */
30 class EnhancedPojoPropertyFaultHandler {
31
32     static final String JavaDoc FAULT_FIELD_PREFIX = "$cay_faultResolved_";
33
34     private Accessor faultResolvedFlagAccessor;
35
36     EnhancedPojoPropertyFaultHandler(Class JavaDoc objectClass, String JavaDoc propertyName) {
37         this.faultResolvedFlagAccessor = new FieldAccessor(
38                 objectClass,
39                 FAULT_FIELD_PREFIX + propertyName,
40                 Boolean.TYPE);
41     }
42
43     boolean isFaultProperty(Object JavaDoc object) {
44         return !((Boolean JavaDoc) faultResolvedFlagAccessor.getValue(object)).booleanValue();
45     }
46
47     void setFaultProperty(Object JavaDoc object, boolean flag) {
48         // note that we need to negate "fault" property value to get "fault resolved"
49 // value stored in the object.
50 faultResolvedFlagAccessor.setValue(object, flag ? Boolean.FALSE : Boolean.TRUE);
51     }
52 }
53
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