1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/**
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.sdo.helper;
import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.util.EcoreUtil;
import commonj.sdo.DataObject;
import commonj.sdo.helper.EqualityHelper;
/**
* A helper for comparing DataObjects.
*/
public class EqualityHelperImpl implements EqualityHelper
{
public boolean equalShallow(DataObject dataObject1, DataObject dataObject2)
{
EcoreUtil.EqualityHelper equalityHelper = new EcoreUtil.EqualityHelper()
{
protected boolean haveEqualFeature(EObject eObject1, EObject eObject2, EStructuralFeature feature)
{
if (feature instanceof EAttribute)
{
if(!("ChangeSummaryType".equals(feature.getEType().getName()) && "commonj.sdo".equals(feature.getEType().getEPackage().getNsURI()))) {
boolean eIsSet = eObject1.eIsSet(feature);
if (eIsSet != eObject2.eIsSet(feature) || !haveEqualAttribute(eObject1, eObject2, (EAttribute)feature))
{
return false;
}
}
}
return true;
}
protected boolean equalFeatureMapValues(Object value1, Object value2, EStructuralFeature feature)
{
if (feature instanceof EAttribute)
{
return value1 == null ? value2 == null : value1.equals(value2);
}
return true;
}
};
return equalityHelper.equals((EObject)dataObject1, (EObject)dataObject2);
}
public boolean equal(DataObject dataObject1, DataObject dataObject2)
{
EcoreUtil.EqualityHelper equalityHelper = new EcoreUtil.EqualityHelper()
{
protected boolean haveEqualAttribute(EObject eObject1, EObject eObject2, EAttribute attribute) {
if(("ChangeSummaryType".equals(attribute.getEType().getName()) && "commonj.sdo".equals(attribute.getEType().getEPackage().getNsURI()))) {
throw new UnsupportedOperationException("This will be implemented when change summary serialzation/deserialization is in place");
}
else if( "Bytes".equals(attribute.getEType().getName()) ) {
try
{
byte [] value1 = (byte [])eObject1.eGet(attribute);
byte [] value2 = (byte [])eObject2.eGet(attribute);
return( java.util.Arrays.equals(value1,value2) );
}
catch(Exception ex)
{
// if any exception is thrown, assumption is they are not equal
return false;
}
}
else {
return super.haveEqualAttribute(eObject1, eObject2, attribute);
}
}
};
return equalityHelper.equals((EObject)dataObject1, (EObject)dataObject2); }
}
|
