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1
19
20 package org.apache.cayenne.reflect;
21
22
29 public abstract class BaseProperty implements Property {
30
31 protected ClassDescriptor owner;
32 protected Accessor accessor;
33
34 final String  name;
36
37 public BaseProperty(ClassDescriptor owner, Accessor accessor) {
38
39 if (accessor == null) {
40 throw new IllegalArgumentException ("Null accessor");
41 }
42
43 this.accessor = accessor;
44 this.owner = owner;
45 this.name = accessor.getName();
46 }
47
48 public Object readProperty(Object object) throws PropertyException {
49 return readPropertyDirectly(object);
50 }
51
52 public void writeProperty(Object object, Object oldValue, Object newValue)
53 throws PropertyException {
54 writePropertyDirectly(object, oldValue, newValue);
55 }
56
57 public String getName() {
58 return name;
59 }
60
61 public abstract boolean visit(PropertyVisitor visitor);
62
63
66 public void injectValueHolder(Object object) throws PropertyException {
67 }
69
70 public Object readPropertyDirectly(Object object) throws PropertyException {
71 return accessor.getValue(object);
72 }
73
74 public void writePropertyDirectly(Object object, Object oldValue, Object newValue)
75 throws PropertyException {
76 accessor.setValue(object, newValue);
77 }
78
79 public String toString() {
80 StringBuffer buffer = new StringBuffer ();
81 buffer.append(getClass().getName()).append('@').append(
82 System.identityHashCode(this)).append('[').append(name).append(']');
83 return buffer.toString();
84 }
85 }
86 |
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