tabular-data-gwt-service/src/main/java/org/gcube/portlets/user/td/gwtservice/server/opexecution/OpExecution4Denormalization...

100 lines
3.7 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.model.column.ColumnLocalId;
import org.gcube.data.analysis.tabulardata.model.column.ColumnReference;
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.tr.normalization.DenormalizationSession;
import org.gcube.portlets.user.td.widgetcommonevent.shared.TRId;
import org.gcube.portlets.user.td.widgetcommonevent.shared.operations.OperationsId;
import org.gcube.portlets.user.td.widgetcommonevent.shared.tr.column.ColumnData;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Operation Execution for Denormalization
*
* @author "Giancarlo Panichi" email: <a
* href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
*
*/
public class OpExecution4Denormalization extends OpExecutionBuilder {
private static Logger logger = LoggerFactory
.getLogger(OpExecution4Denormalization.class);
private TabularDataService service;
private DenormalizationSession denormalizationSession;
public OpExecution4Denormalization(TabularDataService service,
DenormalizationSession denormalizationSession) {
this.service = service;
this.denormalizationSession = denormalizationSession;
}
@Override
public void buildOpEx() throws TDGWTServiceException {
OperationExecution invocation = null;
logger.debug(denormalizationSession.toString());
OperationDefinition operationDefinition;
Map<String, Object> map = new HashMap<String, Object>();
TRId trId = denormalizationSession.getTrId();
logger.debug("trID: " + trId);
if(trId==null){
logger.error("Error in DenormalizationSession: 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 valueCol=denormalizationSession.getValueColumn();
logger.debug("Value Column: "+valueCol);
if(valueCol==null){
logger.error("Error in DenormalizationSession: Value Column is null");
throw new TDGWTServiceException("No value column set");
}
ColumnLocalId valueId = new ColumnLocalId(valueCol.getColumnId());
ColumnReference valueColumnReference = new ColumnReference(tId, valueId);
ColumnData attributeCol=denormalizationSession.getAttributeColumn();
logger.debug("Attribute Column: "+valueCol);
if(attributeCol==null){
logger.error("Error in DenormalizationSession: Attribute Column is null");
throw new TDGWTServiceException("No attribute column set");
}
ColumnLocalId attributeId = new ColumnLocalId(attributeCol.getColumnId());
ColumnReference attributeColumnReference = new ColumnReference(tId, attributeId);
operationDefinition = OperationDefinitionMap.map(
OperationsId.Denormalize.toString(), service);
map.put(Constants.PARAMETER_DENORMALIZATION_VALUE_COLUMN, valueColumnReference);
map.put(Constants.PARAMETER_DENORMALIZATION_ATTRIBUTE_COLUMN, attributeColumnReference);
invocation = new OperationExecution(
operationDefinition.getOperationId(), map);
operationExecutionSpec.setOp(invocation);
}
}