svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.impl / src / main / java / org / gvsig / fmap / dal / feature / impl / featureset / EditedIterator.java @ 46133
History | View | Annotate | Download (7.05 KB)
1 |
/**
|
---|---|
2 |
* gvSIG. Desktop Geographic Information System.
|
3 |
*
|
4 |
* Copyright (C) 2007-2013 gvSIG Association.
|
5 |
*
|
6 |
* This program is free software; you can redistribute it and/or
|
7 |
* modify it under the terms of the GNU General Public License
|
8 |
* as published by the Free Software Foundation; either version 3
|
9 |
* of the License, or (at your option) any later version.
|
10 |
*
|
11 |
* This program is distributed in the hope that it will be useful,
|
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
14 |
* GNU General Public License for more details.
|
15 |
*
|
16 |
* You should have received a copy of the GNU General Public License
|
17 |
* along with this program; if not, write to the Free Software
|
18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
19 |
* MA 02110-1301, USA.
|
20 |
*
|
21 |
* For any additional information, do not hesitate to contact us
|
22 |
* at info AT gvsig.com, or visit our website www.gvsig.com.
|
23 |
*/
|
24 |
package org.gvsig.fmap.dal.feature.impl.featureset; |
25 |
|
26 |
import java.util.HashSet; |
27 |
import java.util.Iterator; |
28 |
import java.util.Set; |
29 |
import java.util.logging.Level; |
30 |
import java.util.logging.Logger; |
31 |
import org.gvsig.fmap.dal.exception.DataException; |
32 |
import org.gvsig.fmap.dal.feature.EditableFeature; |
33 |
import org.gvsig.fmap.dal.feature.FeatureReference; |
34 |
import org.gvsig.fmap.dal.feature.exception.ConcurrentDataModificationException; |
35 |
import org.gvsig.fmap.dal.feature.impl.DefaultFeature; |
36 |
import org.gvsig.fmap.dal.feature.impl.DefaultFeatureStore; |
37 |
import org.gvsig.fmap.dal.feature.impl.editing.memory.FeatureManager; |
38 |
import org.gvsig.fmap.dal.feature.impl.featurereference.FeatureReferenceFactory; |
39 |
import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
40 |
import org.gvsig.fmap.dal.feature.spi.FeatureSetProvider; |
41 |
import org.gvsig.tools.dispose.DisposableIterator; |
42 |
import org.gvsig.tools.dispose.DisposeUtils; |
43 |
import org.gvsig.tools.exception.BaseException; |
44 |
import org.gvsig.tools.util.ChainedIterator; |
45 |
|
46 |
/**
|
47 |
* Iterator for stores in edition mode.
|
48 |
*
|
49 |
* @author gvSIG Team
|
50 |
* @version $Id$
|
51 |
* @deprecated use the {@link FastEditedIterator} instead
|
52 |
*/
|
53 |
public class EditedIterator extends FilteredIterator { |
54 |
|
55 |
private DefaultFeatureStore store;
|
56 |
protected FeatureManager featureManager;
|
57 |
private Set<FeatureReference> visitedReferences; |
58 |
|
59 |
public EditedIterator(DefaultFeatureSet featureSet) {
|
60 |
super(featureSet);
|
61 |
this.store = featureSet.store;
|
62 |
this.featureManager = this.store.getFeatureManager(); |
63 |
this.visitedReferences = new HashSet<>(); |
64 |
} |
65 |
|
66 |
public EditedIterator(DefaultFeatureSet featureSet, long index, long elements) |
67 |
throws DataException {
|
68 |
this(featureSet);
|
69 |
|
70 |
Iterator<EditableFeature> insertedFeatures = this.featureManager.getInsertedFeatures();//Don't use getInserteds because referenceFeature will be missed |
71 |
Iterator<EditableFeature> updatedFeatures = this.featureManager.getUpdatedFeatures(); |
72 |
final Iterator<FeatureProvider> providerIterator; |
73 |
FeatureSetProvider provider = featureSet.provider; |
74 |
boolean canDelegateInProvider = provider.canFilter() && provider.canIterateFromIndex() && !featureManager.hasDeleteds();
|
75 |
if (canDelegateInProvider) {
|
76 |
providerIterator = provider.iterator(index, elements); |
77 |
} else {
|
78 |
providerIterator = provider.iterator(); |
79 |
} |
80 |
|
81 |
|
82 |
Iterator<FeatureProvider> wrappedProviderIterator = new DisposableIterator<FeatureProvider>() { |
83 |
@Override
|
84 |
public boolean hasNext() { |
85 |
return providerIterator.hasNext();
|
86 |
} |
87 |
|
88 |
@Override
|
89 |
public FeatureProvider next() {
|
90 |
FeatureProvider data = providerIterator.next(); |
91 |
FeatureReference ref = FeatureReferenceFactory.createFromFeatureProvider(store, data); |
92 |
DefaultFeature modified; |
93 |
try {
|
94 |
modified = featureManager.get(ref, store); |
95 |
} catch (DataException ex) {
|
96 |
return data;
|
97 |
} |
98 |
if (modified != null) { |
99 |
visitedReferences.add(ref); |
100 |
return modified.getData();
|
101 |
} |
102 |
return data;
|
103 |
} |
104 |
|
105 |
@Override
|
106 |
public void remove() { |
107 |
EditedIterator.super.remove(); |
108 |
} |
109 |
|
110 |
@Override
|
111 |
public void dispose() { |
112 |
DisposeUtils.disposeQuietly(providerIterator); |
113 |
} |
114 |
}; |
115 |
this.iterator = new ChainedIterator(wrappedProviderIterator, insertedFeatures, updatedFeatures); |
116 |
if (!canDelegateInProvider) {
|
117 |
if (index > 0) { |
118 |
skypto(index); |
119 |
} |
120 |
} |
121 |
} |
122 |
|
123 |
@Override
|
124 |
public void remove() { |
125 |
this.iterator.remove();
|
126 |
} |
127 |
|
128 |
@Override
|
129 |
public boolean hasNext() { |
130 |
if (store.isEditing()) {
|
131 |
return super.hasNext(); |
132 |
} else {
|
133 |
throw new ConcurrentDataModificationException(store.getFullName()); |
134 |
} |
135 |
} |
136 |
|
137 |
@Override
|
138 |
public Object next() { |
139 |
if (store.isEditing()) {
|
140 |
return super.next(); |
141 |
} else {
|
142 |
throw new ConcurrentDataModificationException(store.getFullName()); |
143 |
} |
144 |
} |
145 |
|
146 |
@Override
|
147 |
protected ChainedIterator getIterator() {
|
148 |
return (ChainedIterator) this.iterator; |
149 |
} |
150 |
|
151 |
@Override
|
152 |
protected DefaultFeature createFeature(FeatureProvider data) throws DataException { |
153 |
|
154 |
DefaultFeature f = this.featureManager.get(data);
|
155 |
// DefaultFeature f = null;
|
156 |
// try {
|
157 |
// FeatureReference ref = new DefaultFeatureReference(store, data);
|
158 |
// f= (DefaultFeature) this.featureManager.get(ref, store, data.getType());
|
159 |
// } catch (DataException e) {
|
160 |
// RuntimeException ex = new RuntimeException();
|
161 |
// e.initCause(e);
|
162 |
// throw ex;
|
163 |
// }
|
164 |
if (f == null) { |
165 |
// La feature no se ha editado.
|
166 |
f = new DefaultFeature(store, data);
|
167 |
} |
168 |
if (this.fset.transform.isEmpty()) { |
169 |
return f;
|
170 |
} else {
|
171 |
return (DefaultFeature) this.fset.transform.applyTransform( |
172 |
f, fset.getDefaultFeatureType()); |
173 |
} |
174 |
} |
175 |
|
176 |
@Override
|
177 |
protected boolean skipFeature(FeatureProvider data) { |
178 |
try {
|
179 |
switch (getIterator().getCurrent()) {
|
180 |
case 0: |
181 |
if (this.featureManager.isDeleted(data)) { |
182 |
return true; |
183 |
} |
184 |
break;
|
185 |
case 2: |
186 |
FeatureReference ref = FeatureReferenceFactory.createFromFeatureProvider(store, data); |
187 |
if (visitedReferences.contains(ref)){
|
188 |
return true; |
189 |
} |
190 |
break;
|
191 |
} |
192 |
} catch (Exception ex) { |
193 |
LOGGER.warn("Can't check if must skip feature.", ex);
|
194 |
} |
195 |
return false; |
196 |
} |
197 |
|
198 |
@Override
|
199 |
protected void doDispose() throws BaseException { |
200 |
super.doDispose();
|
201 |
this.featureManager = null; |
202 |
this.store = null; |
203 |
} |
204 |
|
205 |
} |