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1
21 package com.db4o;
22
23 import com.db4o.config.*;
24 import com.db4o.inside.marshall.*;
25
26 final class YapFieldTranslator extends YapField
27 {
28 private final ObjectTranslator i_translator;
29
30 YapFieldTranslator(YapClass a_yapClass, ObjectTranslator a_translator){
31 super(a_yapClass, a_translator);
32 i_translator = a_translator;
33 YapStream stream = a_yapClass.getStream();
34 configure(stream.reflector().forClass(a_translator.storedClass()), false);
35 }
36
37 public boolean canUseNullBitmap(){
38 return false;
39 }
40
41 void deactivate(Transaction a_trans, Object  a_onObject, int a_depth){
42 if(a_depth > 0){
43 cascadeActivation(a_trans, a_onObject, a_depth, false);
44 }
45 setOn(a_trans.stream(), a_onObject, null);
46 }
47
48 public Object getOn(Transaction a_trans, Object a_OnObject){
49 try{
50 return i_translator.onStore(a_trans.stream(), a_OnObject);
51 }catch(Throwable t){
52 return null;
53 }
54 }
55
56 public Object getOrCreate(Transaction a_trans, Object a_OnObject) {
57 return getOn(a_trans, a_OnObject);
58 }
59
60 public void instantiate(MarshallerFamily mf, YapObject a_yapObject, Object a_onObject, YapWriter a_bytes) throws CorruptionException{
61 Object toSet = read(mf, a_bytes);
62
63
67 a_bytes.getStream().activate1(a_bytes.getTransaction(), toSet, a_bytes.getInstantiationDepth());
68
69 setOn(a_bytes.getStream(), a_onObject, toSet);
70 }
71
72 void refresh() {
73 }
75
76 private void setOn(YapStream a_stream, Object a_onObject, Object toSet){
77 try{
78 i_translator.onActivate(a_stream, a_onObject, toSet);
79 }catch(Throwable t){}
80 }
81 }
82 |
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