svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.swing / org.gvsig.fmap.dal.swing.impl / src / main / java / org / gvsig / fmap / dal / swing / impl / searchPostProcess / distinctOn / DistinctOn.java @ 46104
History | View | Annotate | Download (9.09 KB)
1 |
/*
|
---|---|
2 |
* To change this license header, choose License Headers in Project Properties.
|
3 |
* To change this template file, choose Tools | Templates
|
4 |
* and open the template in the editor.
|
5 |
*/
|
6 |
package org.gvsig.fmap.dal.swing.impl.searchPostProcess.distinctOn; |
7 |
|
8 |
import java.io.File; |
9 |
import java.util.Collection; |
10 |
import java.util.HashMap; |
11 |
import java.util.Map; |
12 |
import java.util.Objects; |
13 |
import java.util.UUID; |
14 |
|
15 |
import org.gvsig.fmap.dal.DALLocator; |
16 |
import org.gvsig.fmap.dal.DataManager; |
17 |
import org.gvsig.fmap.dal.DataStoreParameters; |
18 |
import org.gvsig.fmap.dal.exception.DataException; |
19 |
import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
20 |
import org.gvsig.fmap.dal.feature.EditableFeature; |
21 |
import org.gvsig.fmap.dal.feature.EditableFeatureAttributeDescriptor; |
22 |
import org.gvsig.fmap.dal.feature.EditableFeatureType; |
23 |
import org.gvsig.fmap.dal.feature.Feature; |
24 |
import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
25 |
import org.gvsig.fmap.dal.feature.FeatureAttributeEmulator; |
26 |
import org.gvsig.fmap.dal.feature.FeatureQuery; |
27 |
import org.gvsig.fmap.dal.feature.FeatureSet; |
28 |
import org.gvsig.fmap.dal.feature.FeatureStore; |
29 |
import org.gvsig.fmap.dal.feature.FeatureType; |
30 |
import org.gvsig.fmap.dal.store.jdbc.JDBCNewStoreParameters; |
31 |
import org.gvsig.fmap.dal.store.jdbc.JDBCServerExplorer; |
32 |
import org.gvsig.fmap.dal.store.jdbc.JDBCServerExplorerParameters; |
33 |
import org.gvsig.fmap.dal.swing.impl.searchPostProcess.distinctOn.AggregateOperation.AggregateOperationFactory; |
34 |
import org.gvsig.fmap.dal.swing.searchPostProcess.AbstractSearchPostProcess; |
35 |
import org.gvsig.fmap.dal.swing.searchPostProcess.SearchPostProcessFactory; |
36 |
import org.gvsig.tools.ToolsLocator; |
37 |
import org.gvsig.tools.dataTypes.DataType; |
38 |
import org.gvsig.tools.dispose.DisposeUtils; |
39 |
import org.gvsig.tools.dynobject.DynObject; |
40 |
import org.gvsig.tools.folders.FoldersManager; |
41 |
import org.gvsig.tools.i18n.I18nManager; |
42 |
import org.gvsig.tools.task.SimpleTaskStatus; |
43 |
import org.gvsig.tools.util.HasAFile; |
44 |
import org.slf4j.LoggerFactory; |
45 |
|
46 |
/**
|
47 |
*
|
48 |
* @author jovivas
|
49 |
*/
|
50 |
public class DistinctOn extends AbstractSearchPostProcess { |
51 |
|
52 |
private static final org.slf4j.Logger LOGGER = LoggerFactory.getLogger(DistinctOnFactory.class); |
53 |
|
54 |
public DistinctOn(
|
55 |
SearchPostProcessFactory factory, |
56 |
FeatureStore input, |
57 |
FeatureQuery query, |
58 |
DynObject parameters |
59 |
) { |
60 |
super(factory, input, query, parameters);
|
61 |
|
62 |
} |
63 |
|
64 |
@Override
|
65 |
public SearchPostProcessResult execute(FeatureStore inputStore, FeatureQuery query, DynObject parameters, SimpleTaskStatus status) {
|
66 |
String uniqueFieldName;
|
67 |
|
68 |
uniqueFieldName = (String) parameters.getDynValue("field"); |
69 |
|
70 |
I18nManager i18n = ToolsLocator.getI18nManager(); |
71 |
if (status == null) { |
72 |
status = ToolsLocator.getTaskStatusManager().createDefaultSimpleTaskStatus(i18n.getTranslation("_Executing_post_process"));
|
73 |
status.setAutoremove(true);
|
74 |
status.add(); |
75 |
} else {
|
76 |
status.push(); |
77 |
status.setTitle(i18n.getTranslation("_Executing_post_process"));
|
78 |
} |
79 |
status.message(i18n.getTranslation("_Creating_data_base"));
|
80 |
|
81 |
try {
|
82 |
// crear ruta de archivo temporal
|
83 |
FoldersManager foldersManager = ToolsLocator.getFoldersManager(); |
84 |
File tempFile = foldersManager.getUniqueTemporaryFile("distinctOn_process_" + UUID.randomUUID().toString()); |
85 |
|
86 |
// crear SERVER STORE
|
87 |
DataManager dataManager = DALLocator.getDataManager(); |
88 |
JDBCServerExplorerParameters serverParameters = (JDBCServerExplorerParameters) dataManager.createServerExplorerParameters("H2Spatial");
|
89 |
((HasAFile) serverParameters).setFile(tempFile); |
90 |
JDBCServerExplorer serverExplorer = (JDBCServerExplorer) dataManager.openServerExplorer("H2Spatial", serverParameters);
|
91 |
|
92 |
//Crear tablas en server store
|
93 |
JDBCNewStoreParameters parametersResults = serverExplorer.getAddParameters(); |
94 |
parametersResults.setDynValue("Table", "results"); |
95 |
FeatureType ft_inputStore = inputStore.getDefaultFeatureType(); |
96 |
EditableFeatureType ft_inputStoreNoContainer = dataManager.createFeatureType(); |
97 |
ft_inputStoreNoContainer.addAll(ft_inputStore); |
98 |
for (FeatureAttributeDescriptor attr : ft_inputStore) {
|
99 |
DataType dataType = attr.getDataType(); |
100 |
EditableFeatureAttributeDescriptor eattr = ft_inputStoreNoContainer.getEditableAttributeDescriptor(attr.getName()); |
101 |
if (dataType.isContainer()) {
|
102 |
ft_inputStoreNoContainer.remove(attr.getName()); |
103 |
} |
104 |
if (eattr.isComputed()) {
|
105 |
eattr.setFeatureAttributeEmulator((FeatureAttributeEmulator) null);
|
106 |
} |
107 |
if (eattr.isPrimaryKey()) {
|
108 |
eattr.setIsPrimaryKey(false);
|
109 |
} |
110 |
if (!eattr.allowIndexDuplicateds()) {
|
111 |
eattr.setAllowIndexDuplicateds(true);
|
112 |
} |
113 |
if (!eattr.allowNull()) {
|
114 |
eattr.setAllowNull(true);
|
115 |
} |
116 |
} |
117 |
Map<String, EditableFeatureAttributeDescriptor> allExtraColumns = new HashMap<>(); |
118 |
for (EditableFeatureAttributeDescriptor column : ft_inputStore.getExtraColumns().getColumns()) {
|
119 |
allExtraColumns.put(column.getName(), column); |
120 |
} |
121 |
for (EditableFeatureAttributeDescriptor column : query.getExtraColumn().getColumns()) {
|
122 |
allExtraColumns.put(column.getName(), column); |
123 |
} |
124 |
if (allExtraColumns.size() > 0) { |
125 |
for (EditableFeatureAttributeDescriptor column : allExtraColumns.values()) {
|
126 |
DataType dataType = column.getDataType(); |
127 |
if (!dataType.isContainer()) {
|
128 |
ft_inputStoreNoContainer.add(column.getName(), column.getType(), column.getSize()); |
129 |
} |
130 |
} |
131 |
} |
132 |
|
133 |
parametersResults.setDefaultFeatureType(ft_inputStoreNoContainer); |
134 |
|
135 |
serverExplorer.add("H2Spatial", parametersResults, true); |
136 |
|
137 |
DataStoreParameters storeParametersResults = dataManager.createStoreParameters("H2Spatial");
|
138 |
storeParametersResults.setDynValue("database_file", tempFile);
|
139 |
storeParametersResults.setDynValue("Table", "results"); |
140 |
|
141 |
//Creaci?n del store con los resultados
|
142 |
FeatureStore storeResults = (FeatureStore) dataManager.openStore("H2Spatial", storeParametersResults);
|
143 |
|
144 |
// Creaci?n del Map con las funciones de agragado
|
145 |
Map<String, AggregateOperation> aggregates = new HashMap<>(); |
146 |
for (FeatureAttributeDescriptor attr : ft_inputStoreNoContainer) {
|
147 |
if (parameters.hasDynValue(attr.getName())) {
|
148 |
String operation = (String) parameters.getDynValue(attr.getName()); |
149 |
aggregates.put( |
150 |
attr.getName(), |
151 |
(AggregateOperation) aggregatesOperationFactories.get(operation).create() |
152 |
); |
153 |
} |
154 |
} |
155 |
|
156 |
// distictOn
|
157 |
storeResults.edit(FeatureStore.MODE_APPEND); |
158 |
|
159 |
FeatureSet features; |
160 |
|
161 |
status.message(i18n.getTranslation("_Getting_features_from_query"));
|
162 |
|
163 |
if (query != null) { |
164 |
features = inputStore.getFeatureSet(query); |
165 |
} else {
|
166 |
features = inputStore.getFeatureSet(); |
167 |
} |
168 |
EditableFeature aggregateFeature = null;
|
169 |
|
170 |
status.message(i18n.getTranslation("_Processing_features"));
|
171 |
status.setRangeOfValues(0, features.size());
|
172 |
|
173 |
for (Feature feature : features) {
|
174 |
if (status.isCancellationRequested()) {
|
175 |
DisposeUtils.disposeQuietly(features); |
176 |
if (storeResults.isEditing()) {
|
177 |
storeResults.cancelEditingQuietly(); |
178 |
} |
179 |
|
180 |
status.setTitle(i18n.getTranslation("_Post_process_canceled"));
|
181 |
status.message("");
|
182 |
status.cancel(); |
183 |
return null; |
184 |
} |
185 |
if (aggregateFeature != null) { |
186 |
if (Objects.equals(feature.get(uniqueFieldName), aggregateFeature.get(uniqueFieldName))) {
|
187 |
for (Map.Entry<String, AggregateOperation> entry : aggregates.entrySet()) { |
188 |
String name = entry.getKey();
|
189 |
AggregateOperation operation = entry.getValue(); |
190 |
Object value = feature.get(name);
|
191 |
if (operation.isApplicable(value)) {
|
192 |
operation.perform(value); |
193 |
} |
194 |
aggregateFeature.set(name, operation.getValue()); |
195 |
} |
196 |
} else {
|
197 |
storeResults.insert(aggregateFeature); |
198 |
aggregateFeature = null;
|
199 |
} |
200 |
} |
201 |
|
202 |
if (aggregateFeature == null) { |
203 |
aggregateFeature = storeResults.createNewFeature(feature); |
204 |
for (Map.Entry<String, AggregateOperation> entry : aggregates.entrySet()) { |
205 |
String name = entry.getKey();
|
206 |
AggregateOperation operation = entry.getValue(); |
207 |
operation.reset(); |
208 |
Object value = feature.get(name);
|
209 |
if (operation.isApplicable(value)) {
|
210 |
operation.perform(value); |
211 |
} |
212 |
aggregateFeature.set(name, operation.getValue()); |
213 |
} |
214 |
} |
215 |
status.incrementCurrentValue(); |
216 |
} |
217 |
if (aggregateFeature != null) { |
218 |
storeResults.insert(aggregateFeature); |
219 |
} |
220 |
|
221 |
storeResults.finishEditing(); |
222 |
// storeUValues.finishEditing();
|
223 |
|
224 |
SearchPostProcessResult searchPostProcessResult = new DefaultSearchPostProcessResult(storeResults, null); |
225 |
status.setTitle(i18n.getTranslation("_Post_process_ended"));
|
226 |
status.message("");
|
227 |
return searchPostProcessResult;
|
228 |
|
229 |
} catch (DataException | ValidateDataParametersException ex) {
|
230 |
LOGGER.warn("Can't execute distinct on search post process.", ex);
|
231 |
} finally {
|
232 |
status.pop(); |
233 |
} |
234 |
|
235 |
return null; |
236 |
} |
237 |
|
238 |
private static Map<String, AggregateOperationFactory> aggregatesOperationFactories = new HashMap<>(); |
239 |
|
240 |
public static void registerAggregateOperation(AggregateOperationFactory aggregateOperationFactory) { |
241 |
aggregatesOperationFactories.put(aggregateOperationFactory.getName(), aggregateOperationFactory); |
242 |
} |
243 |
|
244 |
public static Collection<AggregateOperationFactory> getAggregatesOperationFactories() { |
245 |
return aggregatesOperationFactories.values();
|
246 |
} |
247 |
|
248 |
} |