tabular-data-gwt-service/src/main/java/org/gcube/portlets/user/td/gwtservice/server/opexecution/OpExecution4GeometryCreateP...

119 lines
4.7 KiB
Java

package org.gcube.portlets.user.td.gwtservice.server.opexecution;
import java.util.HashMap;
import java.util.Map;
import org.gcube.data.analysis.tabulardata.commons.webservice.types.operations.OperationDefinition;
import org.gcube.data.analysis.tabulardata.commons.webservice.types.operations.OperationExecution;
import org.gcube.data.analysis.tabulardata.expression.Expression;
import org.gcube.data.analysis.tabulardata.expression.composite.text.Concat;
import org.gcube.data.analysis.tabulardata.expression.functions.Cast;
import org.gcube.data.analysis.tabulardata.model.column.ColumnLocalId;
import org.gcube.data.analysis.tabulardata.model.column.ColumnReference;
import org.gcube.data.analysis.tabulardata.model.column.type.AttributeColumnType;
import org.gcube.data.analysis.tabulardata.model.datatype.GeometryType;
import org.gcube.data.analysis.tabulardata.model.datatype.value.TDText;
import org.gcube.data.analysis.tabulardata.model.metadata.common.ImmutableLocalizedText;
import org.gcube.data.analysis.tabulardata.model.table.TableId;
import org.gcube.data.analysis.tabulardata.service.TabularDataService;
import org.gcube.portlets.user.td.gwtservice.server.trservice.OperationDefinitionMap;
import org.gcube.portlets.user.td.gwtservice.shared.Constants;
import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTServiceException;
import org.gcube.portlets.user.td.gwtservice.shared.geometry.GeometryCreatePointSession;
import org.gcube.portlets.user.td.gwtservice.shared.tr.ColumnData;
import org.gcube.portlets.user.td.widgetcommonevent.shared.TRId;
import org.gcube.portlets.user.td.widgetcommonevent.shared.operations.OperationsId;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Operation Execution for change table type
*
* @author "Giancarlo Panichi" email: <a
* href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
*
*/
public class OpExecution4GeometryCreatePoint extends OpExecutionBuilder {
protected static Logger logger = LoggerFactory
.getLogger(OpExecution4GeometryCreatePoint.class);
private TabularDataService service;
private GeometryCreatePointSession geometryCreatePointSession;
public OpExecution4GeometryCreatePoint(TabularDataService service,
GeometryCreatePointSession geometryCreatePointSession) {
this.service = service;
this.geometryCreatePointSession = geometryCreatePointSession;
}
@Override
public void buildOpEx() throws TDGWTServiceException {
OperationExecution invocation = null;
logger.debug(geometryCreatePointSession.toString());
OperationDefinition operationDefinition;
Map<String, Object> map = new HashMap<String, Object>();
TRId trId = geometryCreatePointSession.getTrId();
logger.debug("trID: " + trId);
if (trId == null) {
logger.error("Error Creating Geospatial Coordinates: trId is null");
throw new TDGWTServiceException("No tabular resource set");
}
long tabId;
if (trId.isViewTable()) {
tabId = new Long(trId.getReferenceTargetTableId());
} else {
tabId = new Long(trId.getTableId());
}
TableId tId = new TableId(tabId);
ColumnData latitudeColumn = geometryCreatePointSession.getLatitude();
logger.debug("Latitude Column: " + latitudeColumn);
if (latitudeColumn == null) {
logger.error("Error creating Geometry: Latitude Column is null");
throw new TDGWTServiceException("No latitude column set");
}
ColumnLocalId latitudeId = new ColumnLocalId(
latitudeColumn.getColumnId());
ColumnReference latitudeColumnReference = new ColumnReference(tId,
latitudeId);
ColumnData longitudeColumn = geometryCreatePointSession.getLongitude();
logger.debug("Longitude Column: " + longitudeColumn);
if (longitudeColumn == null) {
logger.error("Error creating Geometry: Longitude Column is null");
throw new TDGWTServiceException("No longitude column set");
}
ColumnLocalId longitudeId = new ColumnLocalId(
longitudeColumn.getColumnId());
ColumnReference longitudeColumnReference = new ColumnReference(tId,
longitudeId);
Expression point = new Cast(new Concat(new TDText("POINT("), new Concat(
longitudeColumnReference, new Concat(new TDText(" "),
new Concat(latitudeColumnReference, new TDText(")"))))),new GeometryType());
operationDefinition = OperationDefinitionMap.map(
OperationsId.AddColumn.toString(), service);
map.put(Constants.PARAMETER_ADD_COLUMN_COLUMN_TYPE,
new AttributeColumnType());
map.put(Constants.PARAMETER_ADD_COLUMN_DATA_TYPE, new GeometryType());
map.put(Constants.PARAMETER_ADD_COLUMN_LABEL,
new ImmutableLocalizedText(geometryCreatePointSession
.getColumnLabel()));
map.put(Constants.PARAMETER_ADD_COLUMN_VALUE, point);
invocation = new OperationExecution(
operationDefinition.getOperationId(), map);
operationExecutionSpec.setOp(invocation);
}
}