svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_dal / src / org / gvsig / fmap / dal / feature / impl / featureset / OrderedIterator.java @ 25994
History | View | Annotate | Download (1.19 KB)
1 |
package org.gvsig.fmap.dal.feature.impl.featureset; |
---|---|
2 |
|
3 |
import java.util.ArrayList; |
4 |
import java.util.Collections; |
5 |
import java.util.Iterator; |
6 |
import java.util.List; |
7 |
|
8 |
import org.gvsig.fmap.dal.feature.Feature; |
9 |
import org.gvsig.fmap.dal.feature.impl.DefaultFeature; |
10 |
|
11 |
public class OrderedIterator extends DefaultIterator { |
12 |
|
13 |
protected Feature lastFeature = null; |
14 |
|
15 |
OrderedIterator(DefaultFeatureSet featureSet, Iterator iterator, long index) { |
16 |
super(featureSet);
|
17 |
// FIXME QUE PASA CON SIZE > Integer.MAX_VALUE ?????
|
18 |
if (featureSet.orderedData == null) { |
19 |
List data = new ArrayList(); |
20 |
Object item;
|
21 |
while (iterator.hasNext()) {
|
22 |
item = iterator.next(); |
23 |
if (item instanceof DefaultFeature) { |
24 |
data.add(((DefaultFeature) item).getData()); |
25 |
} else {
|
26 |
data.add(item); |
27 |
} |
28 |
} |
29 |
Collections.sort(data, new FeatureDataComparator(featureSet.store, |
30 |
featureSet.query.getOrder())); |
31 |
featureSet.orderedData = data; |
32 |
} |
33 |
if (index < Integer.MAX_VALUE) { |
34 |
this.iterator = featureSet.orderedData.listIterator((int) index); |
35 |
} else {
|
36 |
this.iterator = featureSet.orderedData.iterator();
|
37 |
this.skypto(index);
|
38 |
} |
39 |
} |
40 |
|
41 |
public void remove() { |
42 |
super.remove();
|
43 |
this.iterator.remove();
|
44 |
} |
45 |
|
46 |
|
47 |
} |
48 |
|