svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_dal / src / org / gvsig / fmap / dal / feature / impl / featureset / EditedIterator.java @ 25994
History | View | Annotate | Download (2.51 KB)
1 |
package org.gvsig.fmap.dal.feature.impl.featureset; |
---|---|
2 |
|
3 |
import java.util.Iterator; |
4 |
|
5 |
import org.gvsig.fmap.dal.exception.DataException; |
6 |
import org.gvsig.fmap.dal.feature.FeatureReference; |
7 |
import org.gvsig.fmap.dal.feature.impl.DefaultFeature; |
8 |
import org.gvsig.fmap.dal.feature.impl.DefaultFeatureReference; |
9 |
import org.gvsig.fmap.dal.feature.spi.FeatureData; |
10 |
|
11 |
public class EditedIterator extends FilteredIterator { |
12 |
|
13 |
Iterator newsFeatures;
|
14 |
boolean featureIsNew;
|
15 |
|
16 |
|
17 |
public EditedIterator(DefaultFeatureSet featureSet) {
|
18 |
super(featureSet);
|
19 |
} |
20 |
|
21 |
public EditedIterator(DefaultFeatureSet featureSet, long index) |
22 |
throws DataException {
|
23 |
super(featureSet);
|
24 |
if (index > 0) { |
25 |
if (featureSet.provider.canIterateFromIndex()) {
|
26 |
try {
|
27 |
this.iterator = featureSet.provider.iterator(index);
|
28 |
} catch (IllegalArgumentException e) { |
29 |
this.iterator = featureSet.provider.iterator();
|
30 |
this.newsFeatures = null; |
31 |
skypto(index); |
32 |
} catch (UnsupportedOperationException e) { |
33 |
this.iterator = featureSet.provider.iterator();
|
34 |
this.newsFeatures = null; |
35 |
skypto(index); |
36 |
} |
37 |
} else {
|
38 |
this.iterator = featureSet.provider.iterator();
|
39 |
this.newsFeatures = null; |
40 |
skypto(index); |
41 |
} |
42 |
} else {
|
43 |
this.iterator = featureSet.provider.iterator();
|
44 |
this.newsFeatures = featureSet.store.getFeatureManager()
|
45 |
.getInserted(); |
46 |
} |
47 |
|
48 |
} |
49 |
|
50 |
protected Iterator getIterator() { |
51 |
if (this.iterator.hasNext()) { |
52 |
featureIsNew=false;
|
53 |
return this.iterator; |
54 |
} |
55 |
featureIsNew = true;
|
56 |
return this.newsFeatures; |
57 |
} |
58 |
|
59 |
protected DefaultFeature createFeature(FeatureData data) {
|
60 |
|
61 |
DefaultFeature f = null;
|
62 |
data.setNew(featureIsNew); |
63 |
try {
|
64 |
FeatureReference ref = new DefaultFeatureReference(fset.store, data);
|
65 |
f = (DefaultFeature) fset.store.getFeatureManager().get(ref, |
66 |
fset.store, data.getType()); |
67 |
} catch (DataException e) {
|
68 |
RuntimeException ex = new RuntimeException(); |
69 |
e.initCause(e); |
70 |
throw ex;
|
71 |
} |
72 |
if (f == null) { |
73 |
// La feature no se ha editado.
|
74 |
f = new DefaultFeature(fset.store, data);
|
75 |
} |
76 |
return f;
|
77 |
} |
78 |
|
79 |
protected boolean isDeletedOrHasToSkip(FeatureData data) { |
80 |
|
81 |
// XXX
|
82 |
// si recorriendo los originales nos
|
83 |
// encontramos uno nuevo, no lo devolvemos
|
84 |
// porque se recorrera mas tarde.
|
85 |
// Esto es una interaccion con los indices
|
86 |
// ya que estos contienen todas las features ya
|
87 |
// sea nuevas o no
|
88 |
|
89 |
if (data.isNew() && !featureIsNew) {
|
90 |
return true; |
91 |
} |
92 |
FeatureReference ref = new DefaultFeatureReference(fset.store, data);
|
93 |
return fset.store.getFeatureManager().isDeleted(ref);
|
94 |
} |
95 |
|
96 |
} |