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 @ 46062
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/*
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* To change this license header, choose License Headers in Project Properties.
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* To change this template file, choose Tools | Templates
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* and open the template in the editor.
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*/
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package org.gvsig.fmap.dal.swing.impl.searchPostProcess.distinctOn; |
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import java.io.File; |
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import java.util.Collection; |
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import java.util.HashMap; |
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import java.util.Map; |
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import java.util.Objects; |
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import java.util.UUID; |
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import org.gvsig.fmap.dal.DALLocator; |
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import org.gvsig.fmap.dal.DataManager; |
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import org.gvsig.fmap.dal.DataStoreParameters; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
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import org.gvsig.fmap.dal.feature.EditableFeature; |
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import org.gvsig.fmap.dal.feature.EditableFeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.EditableFeatureType; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.FeatureAttributeEmulator; |
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import org.gvsig.fmap.dal.feature.FeatureQuery; |
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import org.gvsig.fmap.dal.feature.FeatureSet; |
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import org.gvsig.fmap.dal.feature.FeatureStore; |
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import org.gvsig.fmap.dal.feature.FeatureType; |
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import org.gvsig.fmap.dal.store.jdbc.JDBCNewStoreParameters; |
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import org.gvsig.fmap.dal.store.jdbc.JDBCServerExplorer; |
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import org.gvsig.fmap.dal.store.jdbc.JDBCServerExplorerParameters; |
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import org.gvsig.fmap.dal.swing.impl.searchPostProcess.distinctOn.AggregateOperation.AggregateOperationFactory; |
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import org.gvsig.fmap.dal.swing.searchPostProcess.AbstractSearchPostProcess; |
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import org.gvsig.fmap.dal.swing.searchPostProcess.SearchPostProcessFactory; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dataTypes.DataType; |
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import org.gvsig.tools.dispose.DisposeUtils; |
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import org.gvsig.tools.dynobject.DynObject; |
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import org.gvsig.tools.folders.FoldersManager; |
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import org.gvsig.tools.i18n.I18nManager; |
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import org.gvsig.tools.task.SimpleTaskStatus; |
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import org.gvsig.tools.util.HasAFile; |
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import org.slf4j.LoggerFactory; |
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/**
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*
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* @author jovivas
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*/
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public class DistinctOn extends AbstractSearchPostProcess { |
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private static final org.slf4j.Logger LOGGER = LoggerFactory.getLogger(DistinctOnFactory.class); |
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public DistinctOn(
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SearchPostProcessFactory factory, |
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FeatureStore input, |
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FeatureQuery query, |
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DynObject parameters |
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) {
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super(factory, input, query, parameters);
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} |
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@Override
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public SearchPostProcessResult execute(FeatureStore inputStore, FeatureQuery query, DynObject parameters, SimpleTaskStatus status) {
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String uniqueFieldName;
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uniqueFieldName = (String) parameters.getDynValue("field"); |
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I18nManager i18n = ToolsLocator.getI18nManager(); |
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if (status == null) { |
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status = ToolsLocator.getTaskStatusManager().createDefaultSimpleTaskStatus(i18n.getTranslation("_Executing_post_process"));
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status.setAutoremove(true);
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status.add(); |
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} else {
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status.push(); |
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status.setTitle(i18n.getTranslation("_Executing_post_process"));
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} |
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status.message(i18n.getTranslation("_Creating_data_base"));
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try {
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// crear ruta de archivo temporal
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FoldersManager foldersManager = ToolsLocator.getFoldersManager(); |
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File tempFile = foldersManager.getUniqueTemporaryFile("distinctOn_process_" + UUID.randomUUID().toString()); |
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// crear SERVER STORE
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DataManager dataManager = DALLocator.getDataManager(); |
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JDBCServerExplorerParameters serverParameters = (JDBCServerExplorerParameters) dataManager.createServerExplorerParameters("H2Spatial");
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((HasAFile) serverParameters).setFile(tempFile); |
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JDBCServerExplorer serverExplorer = (JDBCServerExplorer) dataManager.openServerExplorer("H2Spatial", serverParameters);
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//Crear tablas en server store
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JDBCNewStoreParameters parametersResults = serverExplorer.getAddParameters(); |
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parametersResults.setDynValue("Table", "results"); |
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FeatureType ft_inputStore = inputStore.getDefaultFeatureType(); |
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EditableFeatureType ft_inputStoreNoContainer = dataManager.createFeatureType(); |
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ft_inputStoreNoContainer.addAll(ft_inputStore); |
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for (FeatureAttributeDescriptor attr : ft_inputStore) {
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DataType dataType = attr.getDataType(); |
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EditableFeatureAttributeDescriptor eattr = ft_inputStoreNoContainer.getEditableAttributeDescriptor(attr.getName()); |
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if (dataType.isContainer()) {
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ft_inputStoreNoContainer.remove(attr.getName()); |
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} |
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if (eattr.isComputed()) {
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eattr.setFeatureAttributeEmulator((FeatureAttributeEmulator) null);
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} |
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if (eattr.isPrimaryKey()) {
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eattr.setIsPrimaryKey(false);
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} |
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if (!eattr.allowIndexDuplicateds()) {
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eattr.setAllowIndexDuplicateds(true);
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} |
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} |
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Map<String, EditableFeatureAttributeDescriptor> allExtraColumns = new HashMap<>(); |
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for (EditableFeatureAttributeDescriptor column : ft_inputStore.getExtraColumns().getColumns()) {
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allExtraColumns.put(column.getName(), column); |
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} |
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for (EditableFeatureAttributeDescriptor column : query.getExtraColumn().getColumns()) {
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allExtraColumns.put(column.getName(), column); |
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} |
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if (allExtraColumns.size() > 0) { |
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for (EditableFeatureAttributeDescriptor column : allExtraColumns.values()) {
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DataType dataType = column.getDataType(); |
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if (!dataType.isContainer()) {
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ft_inputStoreNoContainer.add(column.getName(), column.getType(), column.getSize()); |
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} |
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} |
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} |
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parametersResults.setDefaultFeatureType(ft_inputStoreNoContainer); |
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serverExplorer.add("H2Spatial", parametersResults, true); |
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DataStoreParameters storeParametersResults = dataManager.createStoreParameters("H2Spatial");
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storeParametersResults.setDynValue("database_file", tempFile);
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storeParametersResults.setDynValue("Table", "results"); |
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//Creaci?n del store con los resultados
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FeatureStore storeResults = (FeatureStore) dataManager.openStore("H2Spatial", storeParametersResults);
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// Creaci?n del Map con las funciones de agragado
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Map<String, AggregateOperation> aggregates = new HashMap<>(); |
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for (FeatureAttributeDescriptor attr : ft_inputStoreNoContainer) {
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if (parameters.hasDynValue(attr.getName())) {
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String operation = (String) parameters.getDynValue(attr.getName()); |
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aggregates.put( |
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attr.getName(), |
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(AggregateOperation) aggregatesOperationFactories.get(operation).create() |
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); |
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} |
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} |
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// distictOn
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storeResults.edit(FeatureStore.MODE_APPEND); |
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FeatureSet features; |
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status.message(i18n.getTranslation("_Getting_features_from_query"));
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if (query != null) { |
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features = inputStore.getFeatureSet(query); |
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} else {
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features = inputStore.getFeatureSet(); |
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} |
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EditableFeature aggregateFeature = null;
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status.message(i18n.getTranslation("_Processing_features"));
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status.setRangeOfValues(0, features.size());
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for (Feature feature : features) {
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if (status.isCancellationRequested()) {
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DisposeUtils.disposeQuietly(features); |
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if (storeResults.isEditing()) {
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storeResults.cancelEditingQuietly(); |
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} |
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status.setTitle(i18n.getTranslation("_Post_process_canceled"));
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status.message("");
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status.cancel(); |
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return null; |
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} |
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if (aggregateFeature != null) { |
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if (Objects.equals(feature.get(uniqueFieldName), aggregateFeature.get(uniqueFieldName))) {
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for (Map.Entry<String, AggregateOperation> entry : aggregates.entrySet()) { |
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String name = entry.getKey();
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AggregateOperation operation = entry.getValue(); |
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Object value = feature.get(name);
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if (operation.isApplicable(value)) {
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operation.perform(value); |
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} |
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aggregateFeature.set(name, operation.getValue()); |
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} |
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} else {
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storeResults.insert(aggregateFeature); |
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aggregateFeature = null;
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} |
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} |
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if (aggregateFeature == null) { |
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aggregateFeature = storeResults.createNewFeature(feature); |
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for (Map.Entry<String, AggregateOperation> entry : aggregates.entrySet()) { |
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String name = entry.getKey();
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AggregateOperation operation = entry.getValue(); |
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operation.reset(); |
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Object value = feature.get(name);
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if (operation.isApplicable(value)) {
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operation.perform(value); |
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} |
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aggregateFeature.set(name, operation.getValue()); |
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} |
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} |
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status.incrementCurrentValue(); |
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} |
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if (aggregateFeature != null) { |
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storeResults.insert(aggregateFeature); |
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} |
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storeResults.finishEditing(); |
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// storeUValues.finishEditing();
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SearchPostProcessResult searchPostProcessResult = new DefaultSearchPostProcessResult(storeResults, null); |
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status.setTitle(i18n.getTranslation("_Post_process_ended"));
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status.message("");
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return searchPostProcessResult;
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} catch (DataException | ValidateDataParametersException ex) {
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LOGGER.warn("Can't execute distinct on search post process.", ex);
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} finally {
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status.pop(); |
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} |
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return null; |
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} |
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private static Map<String, AggregateOperationFactory> aggregatesOperationFactories = new HashMap<>(); |
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public static void registerAggregateOperation(AggregateOperationFactory aggregateOperationFactory) { |
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aggregatesOperationFactories.put(aggregateOperationFactory.getName(), aggregateOperationFactory); |
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} |
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public static Collection<AggregateOperationFactory> getAggregatesOperationFactories() { |
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return aggregatesOperationFactories.values();
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} |
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} |