148 lines
6.1 KiB
Java
148 lines
6.1 KiB
Java
package org.gcube.portlets.user.td.gwtservice.server.opexecution;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.Map;
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import org.gcube.data.analysis.tabulardata.commons.webservice.types.operations.OperationDefinition;
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import org.gcube.data.analysis.tabulardata.commons.webservice.types.operations.OperationExecution;
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import org.gcube.data.analysis.tabulardata.expression.Expression;
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import org.gcube.data.analysis.tabulardata.expression.composite.text.Concat;
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import org.gcube.data.analysis.tabulardata.expression.functions.Cast;
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import org.gcube.data.analysis.tabulardata.model.column.ColumnLocalId;
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import org.gcube.data.analysis.tabulardata.model.column.ColumnReference;
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import org.gcube.data.analysis.tabulardata.model.column.type.AttributeColumnType;
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import org.gcube.data.analysis.tabulardata.model.datatype.GeometryType;
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import org.gcube.data.analysis.tabulardata.model.datatype.value.TDText;
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import org.gcube.data.analysis.tabulardata.model.metadata.common.ImmutableLocalizedText;
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import org.gcube.data.analysis.tabulardata.model.table.TableId;
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import org.gcube.data.analysis.tabulardata.service.TabularDataService;
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import org.gcube.portlets.user.td.gwtservice.server.trservice.OperationDefinitionMap;
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import org.gcube.portlets.user.td.gwtservice.shared.Constants;
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import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTServiceException;
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import org.gcube.portlets.user.td.gwtservice.shared.geometry.GeometryCreatePointSession;
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import org.gcube.portlets.user.td.widgetcommonevent.shared.TRId;
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import org.gcube.portlets.user.td.widgetcommonevent.shared.operations.OperationsId;
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import org.gcube.portlets.user.td.widgetcommonevent.shared.tr.column.ColumnData;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import static org.gcube.data.analysis.tabulardata.expression.dsl.Comparators.*;
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import static org.gcube.data.analysis.tabulardata.expression.dsl.Logicals.*;
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import static org.gcube.data.analysis.tabulardata.expression.dsl.Types.*;
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/**
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* Operation Execution for change table type
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*
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* @author "Giancarlo Panichi" email: <a
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* href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
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*
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*/
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public class OpExecution4GeometryCreatePoint extends OpExecutionBuilder {
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private static Logger logger = LoggerFactory
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.getLogger(OpExecution4GeometryCreatePoint.class);
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private TabularDataService service;
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private GeometryCreatePointSession geometryCreatePointSession;
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public OpExecution4GeometryCreatePoint(TabularDataService service,
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GeometryCreatePointSession geometryCreatePointSession) {
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this.service = service;
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this.geometryCreatePointSession = geometryCreatePointSession;
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}
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@Override
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public void buildOpEx() throws TDGWTServiceException {
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logger.debug(geometryCreatePointSession.toString());
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ArrayList<OperationExecution> invocations = new ArrayList<OperationExecution>();
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//Retrieve longitude and latitude
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TRId trId = geometryCreatePointSession.getTrId();
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logger.debug("trID: " + trId);
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if (trId == null) {
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logger.error("Error Creating Geometry: trId is null");
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throw new TDGWTServiceException("No tabular resource set");
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}
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long tabId;
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if (trId.isViewTable()) {
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tabId = new Long(trId.getReferenceTargetTableId());
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} else {
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tabId = new Long(trId.getTableId());
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}
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TableId tId = new TableId(tabId);
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ColumnData latitudeColumn = geometryCreatePointSession.getLatitude();
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logger.debug("Latitude Column: " + latitudeColumn);
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if (latitudeColumn == null) {
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logger.error("Error creating Geometry: Latitude Column is null");
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throw new TDGWTServiceException("No latitude column set");
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}
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ColumnLocalId latitudeId = new ColumnLocalId(
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latitudeColumn.getColumnId());
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ColumnReference latitudeColumnReference = new ColumnReference(tId,
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latitudeId);
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ColumnData longitudeColumn = geometryCreatePointSession.getLongitude();
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logger.debug("Longitude Column: " + longitudeColumn);
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if (longitudeColumn == null) {
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logger.error("Error creating Geometry: Longitude Column is null");
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throw new TDGWTServiceException("No longitude column set");
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}
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ColumnLocalId longitudeId = new ColumnLocalId(
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longitudeColumn.getColumnId());
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ColumnReference longitudeColumnReference = new ColumnReference(tId,
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longitudeId);
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//Validations
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OperationDefinition operationValidation;
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Map<String, Object> validationParameters = new HashMap<String, Object>();
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operationValidation = OperationDefinitionMap.map(
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OperationsId.ExpressionValidation.toString(), service);
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validationParameters.put(Constants.PARAMETER_EXPRESSION_VALIDATION_TITLE, "Coordinates validation");
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String description = new String("Longitude value must be between [-180, 180], Latitude value must be between [-90, 90]");
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Expression expression = and(lessEq(longitudeColumnReference, numeric(180)), greaterEq(longitudeColumnReference, numeric(-180)), lessEq(latitudeColumnReference, numeric(90)), greaterEq(latitudeColumnReference, numeric(-90)));
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validationParameters.put(Constants.PARAMETER_EXPRESSION_VALIDATION_DESCRIPTION, description);
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validationParameters.put(Constants.PARAMETER_EXPRESSION_VALIDATION_EXPRESSION, expression);
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invocations.add(new OperationExecution(
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operationValidation.getOperationId(), validationParameters));
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//Add Column
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Expression point = new Cast(new Concat(new TDText("POINT("), new Concat(
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longitudeColumnReference, new Concat(new TDText(" "),
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new Concat(latitudeColumnReference, new TDText(")"))))),new GeometryType());
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OperationDefinition operationDefinition;
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Map<String, Object> map = new HashMap<String, Object>();
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operationDefinition = OperationDefinitionMap.map(
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OperationsId.AddColumn.toString(), service);
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map.put(Constants.PARAMETER_ADD_COLUMN_COLUMN_TYPE,
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new AttributeColumnType());
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map.put(Constants.PARAMETER_ADD_COLUMN_DATA_TYPE, new GeometryType());
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map.put(Constants.PARAMETER_ADD_COLUMN_LABEL,
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new ImmutableLocalizedText(geometryCreatePointSession
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.getColumnLabel()));
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map.put(Constants.PARAMETER_ADD_COLUMN_VALUE, point);
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invocations.add(new OperationExecution(
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operationDefinition.getOperationId(), map));
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//Set ops
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operationExecutionSpec.setOps(invocations);
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}
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}
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