root / branches / v2_0_0_prep / libraries / libFMap_dal / src / org / gvsig / fmap / dal / feature / impl / featureset / EditedIterator.java @ 33205
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| 1 | 24507 | jmvivo | package org.gvsig.fmap.dal.feature.impl.featureset; |
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| 2 | 23820 | jjdelcerro | |
| 3 | import java.util.Iterator; |
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| 4 | |||
| 5 | 24505 | jmvivo | import org.gvsig.fmap.dal.exception.DataException; |
| 6 | 33205 | cordinyana | import org.gvsig.tools.dispose.DisposableIterator; |
| 7 | 24496 | jmvivo | import org.gvsig.fmap.dal.feature.FeatureReference; |
| 8 | import org.gvsig.fmap.dal.feature.impl.DefaultFeature; |
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| 9 | import org.gvsig.fmap.dal.feature.impl.DefaultFeatureReference; |
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| 10 | 29289 | jmvivo | import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
| 11 | 31284 | cordinyana | import org.gvsig.tools.exception.BaseException; |
| 12 | 23820 | jjdelcerro | |
| 13 | public class EditedIterator extends FilteredIterator { |
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| 14 | |||
| 15 | Iterator newsFeatures;
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| 16 | 25632 | jjdelcerro | boolean featureIsNew;
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| 17 | 23820 | jjdelcerro | |
| 18 | 25994 | jmvivo | |
| 19 | 23820 | jjdelcerro | public EditedIterator(DefaultFeatureSet featureSet) {
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| 20 | super(featureSet);
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| 21 | } |
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| 22 | |||
| 23 | 23894 | jjdelcerro | public EditedIterator(DefaultFeatureSet featureSet, long index) |
| 24 | throws DataException {
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| 25 | 23820 | jjdelcerro | super(featureSet);
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| 26 | 26006 | jmvivo | this.newsFeatures = null; |
| 27 | 23820 | jjdelcerro | if (index > 0) { |
| 28 | if (featureSet.provider.canIterateFromIndex()) {
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| 29 | try {
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| 30 | this.iterator = featureSet.provider.iterator(index);
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| 31 | } catch (IllegalArgumentException e) { |
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| 32 | this.iterator = featureSet.provider.iterator();
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| 33 | skypto(index); |
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| 34 | } catch (UnsupportedOperationException e) { |
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| 35 | this.iterator = featureSet.provider.iterator();
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| 36 | skypto(index); |
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| 37 | } |
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| 38 | } else {
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| 39 | this.iterator = featureSet.provider.iterator();
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| 40 | skypto(index); |
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| 41 | } |
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| 42 | } else {
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| 43 | this.iterator = featureSet.provider.iterator();
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| 44 | } |
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| 45 | |||
| 46 | } |
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| 47 | |||
| 48 | protected Iterator getIterator() { |
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| 49 | 26006 | jmvivo | if (this.featureIsNew){ |
| 50 | return this.newsFeatures; |
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| 51 | } else if (this.iterator.hasNext()) { |
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| 52 | 25632 | jjdelcerro | featureIsNew=false;
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| 53 | 23820 | jjdelcerro | return this.iterator; |
| 54 | 26006 | jmvivo | } else{
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| 55 | featureIsNew = true;
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| 56 | this.newsFeatures = this.fset.store.getFeatureManager() |
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| 57 | .getInserted(); |
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| 58 | return this.newsFeatures; |
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| 59 | 23820 | jjdelcerro | } |
| 60 | } |
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| 61 | |||
| 62 | 29289 | jmvivo | protected DefaultFeature createFeature(FeatureProvider data) {
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| 63 | 23820 | jjdelcerro | |
| 64 | DefaultFeature f = null;
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| 65 | 25632 | jjdelcerro | data.setNew(featureIsNew); |
| 66 | 23820 | jjdelcerro | try {
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| 67 | 25690 | jmvivo | FeatureReference ref = new DefaultFeatureReference(fset.store, data);
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| 68 | 24248 | jjdelcerro | f = (DefaultFeature) fset.store.getFeatureManager().get(ref, |
| 69 | fset.store, data.getType()); |
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| 70 | 23820 | jjdelcerro | } catch (DataException e) {
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| 71 | RuntimeException ex = new RuntimeException(); |
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| 72 | e.initCause(e); |
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| 73 | throw ex;
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| 74 | } |
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| 75 | if (f == null) { |
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| 76 | // La feature no se ha editado.
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| 77 | f = new DefaultFeature(fset.store, data);
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| 78 | } |
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| 79 | return f;
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| 80 | } |
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| 81 | |||
| 82 | 29289 | jmvivo | protected boolean isDeletedOrHasToSkip(FeatureProvider data) { |
| 83 | 25917 | jmvivo | |
| 84 | // XXX
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| 85 | // si recorriendo los originales nos
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| 86 | // encontramos uno nuevo, no lo devolvemos
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| 87 | // porque se recorrera mas tarde.
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| 88 | // Esto es una interaccion con los indices
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| 89 | // ya que estos contienen todas las features ya
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| 90 | // sea nuevas o no
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| 91 | |||
| 92 | if (data.isNew() && !featureIsNew) {
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| 93 | return true; |
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| 94 | } |
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| 95 | 25690 | jmvivo | FeatureReference ref = new DefaultFeatureReference(fset.store, data);
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| 96 | 24248 | jjdelcerro | return fset.store.getFeatureManager().isDeleted(ref);
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| 97 | 23820 | jjdelcerro | } |
| 98 | |||
| 99 | 31284 | cordinyana | protected void doDispose() throws BaseException { |
| 100 | super.doDispose();
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| 101 | 27525 | jmvivo | if (newsFeatures instanceof DisposableIterator) { |
| 102 | ((DisposableIterator) newsFeatures).dispose(); |
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| 103 | } |
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| 104 | newsFeatures = null;
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| 105 | } |
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| 106 | |||
| 107 | |||
| 108 | 23820 | jjdelcerro | } |