Coverage Report

Coverage Report - net.wotonomy.control.EOFaultHandler

Classes in this File

 /*
 Wotonomy: OpenStep design patterns for pure Java applications.
 Copyright (C) 2001 Michael Powers
 
 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.
 
 This library is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 Lesser General Public License for more details.
 
 You should have received a copy of the GNU Lesser General Public
 License along with this library; if not, see http://www.gnu.org
 */
 
 package net.wotonomy.control;
 
 /**
 * EOFaultHandler defines the contract for objects that can
 * create and populate faults.  In wotonomy, this interface is
 * currently only a marker interface.
 *
 * @author michael@mpowers.net
 * @author $Author: cgruber $
 * @version $Revision: 893 $
 */
 public abstract class EOFaultHandler {
 
         protected Class _targetClass;
 
         public EOFaultHandler() {
                 super();
         }
 
         public static EOFaultHandler handlerForFault(Object obj) {
                 if (!(obj instanceof EOFaulting))
                         throw new IllegalArgumentException("Object must implement EOFaulting");
                 return ((EOFaulting)obj).faultHandler();
         }
 
         public static boolean isFault(Object obj) {
                 if (obj == null)
                         return false;
                 boolean isit = (obj instanceof EOFaulting);
                 if (isit)
                         isit = ((EOFaulting)obj).isFault();
                 return isit;
         }
 
         public static void makeObjectIntoFault(Object obj, EOFaultHandler handler) {
                 if (!(obj instanceof EOFaulting))
                         throw new IllegalArgumentException("Object must implement EOFaulting");
                 ((EOFaulting)obj).turnIntoFault(handler);
         }
 
         public static void clearFault(Object obj) {
                 if (!(obj instanceof EOFaulting))
                         throw new IllegalArgumentException("Object must implement EOFaulting");
                 ((EOFaulting)obj).clearFault();
         }
 
         public Class targetClass() {
                 return _targetClass;
         }
 
         public Object createFaultForDeferredFault(Object fault, EOEnterpriseObject source) {
                 return fault;
         }
 
         public String descriptionForObject(Object obj) {
                 if (obj == null)
                         return "<null>";
                 return obj.toString();
         }
 
         public String eoShallowDescription(Object obj) {
                 return null;
         }
 
         public abstract void completeInitializationOfObject(Object obj);
 
         public abstract void faultWillFire(Object obj);
 
 }
 
 /*
  * $Log$
  * Revision 1.1  2006/02/16 13:19:57  cgruber
  * Check in all sources in eclipse-friendly maven-enabled packages.
  *
  * Revision 1.2  2003/08/19 01:53:12  chochos
  * EOObjectStore had some incompatible return types (Object instead of EOEnterpriseObject, in fault methods mostly). It's internally consistent but I hope it doesn't break anything based on this, even though fault methods mostly throw exceptions for now.
  *
  * Revision 1.1  2001/11/13 04:13:59  mpowers
  * Added interfaces needed to begin work on EOCustomObject.
  *
  */
     
 

1		/*
2		Wotonomy: OpenStep design patterns for pure Java applications.
3		Copyright (C) 2001 Michael Powers
4
5		This library is free software; you can redistribute it and/or
6		modify it under the terms of the GNU Lesser General Public
7		License as published by the Free Software Foundation; either
8		version 2.1 of the License, or (at your option) any later version.
9
10		This library is distributed in the hope that it will be useful,
11		but WITHOUT ANY WARRANTY; without even the implied warranty of
12		MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13		Lesser General Public License for more details.
14
15		You should have received a copy of the GNU Lesser General Public
16		License along with this library; if not, see http://www.gnu.org
17		*/
18
19		package net.wotonomy.control;
20
21		/**
22		* EOFaultHandler defines the contract for objects that can
23		* create and populate faults. In wotonomy, this interface is
24		* currently only a marker interface.
25		*
26		* @author michael@mpowers.net
27		* @author $Author: cgruber $
28		* @version $Revision: 893 $
29		*/
30		public abstract class EOFaultHandler {
31
32		protected Class _targetClass;
33
34		public EOFaultHandler() {
35	0	super();
36	0	}
37
38		public static EOFaultHandler handlerForFault(Object obj) {
39	0	if (!(obj instanceof EOFaulting))
40	0	throw new IllegalArgumentException("Object must implement EOFaulting");
41	0	return ((EOFaulting)obj).faultHandler();
42		}
43
44		public static boolean isFault(Object obj) {
45	0	if (obj == null)
46	0	return false;
47	0	boolean isit = (obj instanceof EOFaulting);
48	0	if (isit)
49	0	isit = ((EOFaulting)obj).isFault();
50	0	return isit;
51		}
52
53		public static void makeObjectIntoFault(Object obj, EOFaultHandler handler) {
54	0	if (!(obj instanceof EOFaulting))
55	0	throw new IllegalArgumentException("Object must implement EOFaulting");
56	0	((EOFaulting)obj).turnIntoFault(handler);
57	0	}
58
59		public static void clearFault(Object obj) {
60	0	if (!(obj instanceof EOFaulting))
61	0	throw new IllegalArgumentException("Object must implement EOFaulting");
62	0	((EOFaulting)obj).clearFault();
63	0	}
64
65		public Class targetClass() {
66	0	return _targetClass;
67		}
68
69		public Object createFaultForDeferredFault(Object fault, EOEnterpriseObject source) {
70	0	return fault;
71		}
72
73		public String descriptionForObject(Object obj) {
74	0	if (obj == null)
75	0	return "<null>";
76	0	return obj.toString();
77		}
78
79		public String eoShallowDescription(Object obj) {
80	0	return null;
81		}
82
83		public abstract void completeInitializationOfObject(Object obj);
84
85		public abstract void faultWillFire(Object obj);
86
87		}
88
89		/*
90		* $Log$
91		* Revision 1.1 2006/02/16 13:19:57 cgruber
92		* Check in all sources in eclipse-friendly maven-enabled packages.
93		*
94		* Revision 1.2 2003/08/19 01:53:12 chochos
95		* EOObjectStore had some incompatible return types (Object instead of EOEnterpriseObject, in fault methods mostly). It's internally consistent but I hope it doesn't break anything based on this, even though fault methods mostly throw exceptions for now.
96		*
97		* Revision 1.1 2001/11/13 04:13:59 mpowers
98		* Added interfaces needed to begin work on EOCustomObject.
99		*
100		*/
101
102