Minor Update

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/portlets/user/tabular-data-gwt-service@91293 82a268e6-3cf1-43bd-a215-b396298e98cf

src/main/java/org/gcube/portlets/user/td/gwtservice/client/rpc/TDGWTService.java

@@ -22,6 +22,8 @@ import org.gcube.portlets.user.td.gwtservice.shared.source.SDMXRegistrySource;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.ColumnData;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.TabResource;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.TableData;
+import org.gcube.portlets.user.td.gwtservice.shared.tr.column.DeleteColumnMonitor;
+import org.gcube.portlets.user.td.gwtservice.shared.tr.column.DeleteColumnSession;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.column.type.ChangeColumnTypeMonitor;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.column.type.ChangeColumnTypeSession;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.metadata.TRMetadata;
@@ -367,7 +369,7 @@ public interface TDGWTService extends RemoteService {
 	public void startSDMXExport(SDMXExportSession exportSession)
 			throws TDGWTServiceException;
 
-	// Change Column Type
+	//Column Operation 
 
 	/**
 	 * Get Operation Monitor during the Change Column Type operation
@@ -388,4 +390,27 @@ public interface TDGWTService extends RemoteService {
 			ChangeColumnTypeSession changeColumnTypeSession)
 			throws TDGWTServiceException;
 
+
+	/**
+	 * Get Operation Monitor during the Delete Column operation
+	 * 
+	 * @return
+	 * @throws TDGWTServiceException
+	 */
+	public DeleteColumnMonitor getDeleteColumnMonitor()
+			throws TDGWTServiceException;
+
+	/**
+	 * Start delete column 
+	 * 
+	 * @param changeColumnTypeSession
+	 * @throws TDGWTServiceException
+	 */
+	public void startDeleteColumn(
+			DeleteColumnSession deleteColumnSession)
+			throws TDGWTServiceException;
+
+	
+	
+	
 }

src/main/java/org/gcube/portlets/user/td/gwtservice/client/rpc/TDGWTServiceAsync.java

@@ -11,6 +11,7 @@ import org.gcube.portlets.user.td.gwtservice.shared.csv.CSVExportSession;
 import org.gcube.portlets.user.td.gwtservice.shared.csv.CSVImportMonitor;
 import org.gcube.portlets.user.td.gwtservice.shared.csv.CSVImportSession;
 import org.gcube.portlets.user.td.gwtservice.shared.csv.CSVRowError;
+import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTServiceException;
 import org.gcube.portlets.user.td.gwtservice.shared.file.FileUploadMonitor;
 import org.gcube.portlets.user.td.gwtservice.shared.file.HeaderPresence;
 import org.gcube.portlets.user.td.gwtservice.shared.sdmx.SDMXExportMonitor;
@@ -21,6 +22,8 @@ import org.gcube.portlets.user.td.gwtservice.shared.source.SDMXRegistrySource;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.ColumnData;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.TabResource;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.TableData;
+import org.gcube.portlets.user.td.gwtservice.shared.tr.column.DeleteColumnMonitor;
+import org.gcube.portlets.user.td.gwtservice.shared.tr.column.DeleteColumnSession;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.column.type.ChangeColumnTypeMonitor;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.column.type.ChangeColumnTypeSession;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.metadata.TRMetadata;
@@ -127,8 +130,10 @@ public interface TDGWTServiceAsync {
 	void startSDMXExport(SDMXExportSession exportSession, AsyncCallback<Void> callback);
 	
 	
-	//Change Column Type 
-	void  getChangeColumnTypeMonitor(AsyncCallback<ChangeColumnTypeMonitor> callback);
+	//Column Operation 
+	void getChangeColumnTypeMonitor(AsyncCallback<ChangeColumnTypeMonitor> callback);
 	void startChangeColumnType(ChangeColumnTypeSession changeColumnTypeSession,AsyncCallback<Void> callback);
-	
+	void getDeleteColumnMonitor(AsyncCallback<DeleteColumnMonitor> callback);
+	void startDeleteColumn(DeleteColumnSession deleteColumnSession,AsyncCallback<Void> callback);
+
 }

src/main/java/org/gcube/portlets/user/td/gwtservice/server/SessionUtil.java

@@ -23,6 +23,8 @@ import org.gcube.portlets.user.td.gwtservice.shared.sdmx.SDMXExportSession;
 import org.gcube.portlets.user.td.gwtservice.shared.sdmx.SDMXImportSession;
 import org.gcube.portlets.user.td.gwtservice.shared.source.SDMXRegistrySource;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.TabResource;
+import org.gcube.portlets.user.td.gwtservice.shared.tr.column.DeleteColumnMonitor;
+import org.gcube.portlets.user.td.gwtservice.shared.tr.column.DeleteColumnSession;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.column.type.ChangeColumnTypeMonitor;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.column.type.ChangeColumnTypeSession;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.open.TDOpenSession;
@@ -72,10 +74,19 @@ public class SessionUtil {
 	protected static final String CHANGE_COLUMN_TYPE_MONITOR = "CHANGE_COLUMN_TYPE_MONITOR";
 	protected static final String CHANGE_COLUMN_TYPE_TASK = "CHANGE_COLUMN_TYPE_TASK";
 
+	protected static final String DELETE_COLUMN_SESSION = "DELETE_COLUMN_SESSION";
+	protected static final String DELETE_COLUMN_MONITOR = "DELETE_COLUMN_MONITOR";
+	protected static final String DELETE_COLUMN_TASK = "DELETE_COLUMN_TASK";
+	
+
 	protected static final String CODELISTS_PAGING_LOADED = "CODELISTS_PAGING_LOADED";
 	protected static final String CODELISTS_PAGING_LOADED_DIRECTION = "CODELISTS_PAGING_LOADED_DIRECTION";
 	protected static final String CODELISTS_PAGING_LOADED_FILTER = "CODELISTS_PAGING_LOADED_FILTER";
 
+	
+	
+	
+	
 	protected static Logger logger = LoggerFactory.getLogger(SessionUtil.class);
 
 	protected static ASLSession getAslSession(HttpSession httpSession) {
@@ -508,7 +519,8 @@ public class SessionUtil {
 		httpSession.setAttribute(TR_TASK_MANAGER, trTasksManager);
 
 	}
-
+	
+	//
 	public static ChangeColumnTypeSession getChangeColumnTypeSession(
 			HttpSession httpSession) {
 		ChangeColumnTypeSession changeColumnTypeSession = (ChangeColumnTypeSession) httpSession
@@ -576,7 +588,78 @@ public class SessionUtil {
 			httpSession.removeAttribute(CHANGE_COLUMN_TYPE_TASK);
 		httpSession.setAttribute(CHANGE_COLUMN_TYPE_TASK, task);
 	}
+	
+	///
 
+	public static DeleteColumnSession getDeleteColumnSession(
+			HttpSession httpSession) {
+		DeleteColumnSession deleteColumnSession = (DeleteColumnSession) httpSession
+				.getAttribute(DELETE_COLUMN_SESSION);
+		if (deleteColumnSession != null) {
+			return deleteColumnSession;
+		} else {
+			deleteColumnSession = new DeleteColumnSession();
+			httpSession.setAttribute(DELETE_COLUMN_SESSION,
+					deleteColumnSession);
+			return deleteColumnSession;
+		}
+	}
+
+	public static void setDeleteColumnSession(HttpSession httpSession,
+			DeleteColumnSession deleteColumnSession) {
+		DeleteColumnSession dc = (DeleteColumnSession) httpSession
+				.getAttribute(DELETE_COLUMN_SESSION);
+		if (dc != null) {
+			httpSession.removeAttribute(DELETE_COLUMN_SESSION);
+		}
+		httpSession.setAttribute(DELETE_COLUMN_SESSION,
+				deleteColumnSession);
+
+	}
+
+	public static DeleteColumnMonitor getDeleteColumnMonitor(
+			HttpSession httpSession) {
+		DeleteColumnMonitor deleteColumnMonitor = (DeleteColumnMonitor) httpSession
+				.getAttribute(DELETE_COLUMN_MONITOR);
+		if (deleteColumnMonitor != null) {
+			return deleteColumnMonitor;
+		} else {
+			deleteColumnMonitor = new DeleteColumnMonitor();
+			httpSession.setAttribute(DELETE_COLUMN_MONITOR,
+					deleteColumnMonitor);
+			return deleteColumnMonitor;
+		}
+	}
+
+	public static void setDeleteColumnMonitor(HttpSession httpSession,
+			DeleteColumnMonitor deleteColumnMonitor) {
+		DeleteColumnMonitor cm = (DeleteColumnMonitor) httpSession
+				.getAttribute(DELETE_COLUMN_MONITOR);
+		if (cm != null) {
+			httpSession.removeAttribute(DELETE_COLUMN_MONITOR);
+		}
+		httpSession.setAttribute(DELETE_COLUMN_MONITOR,
+				deleteColumnMonitor);
+
+	}
+
+	public static Task getDeleteColumnTask(HttpSession httpSession) {
+		Task monitor = (Task) httpSession.getAttribute(DELETE_COLUMN_TASK);
+		if (monitor == null) {
+			logger.error("DELETE_COLUMN_TASK was not acquired");
+		}
+		return monitor;
+	}
+
+	public static void setDeleteColumnTask(HttpSession httpSession,
+			Task task) {
+		Task monitor = (Task) httpSession.getAttribute(DELETE_COLUMN_TASK);
+		if (monitor != null)
+			httpSession.removeAttribute(DELETE_COLUMN_TASK);
+		httpSession.setAttribute(DELETE_COLUMN_TASK, task);
+	}
+	
+	///
 	public static ArrayList<TabResource> getCodelistsPagingLoaded(
 			HttpSession httpSession) {
 		@SuppressWarnings("unchecked")

src/main/java/org/gcube/portlets/user/td/gwtservice/server/TDGWTServiceImpl.java

@@ -92,6 +92,8 @@ import org.gcube.portlets.user.td.gwtservice.shared.task.State;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.ColumnData;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.TabResource;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.TableData;
+import org.gcube.portlets.user.td.gwtservice.shared.tr.column.DeleteColumnMonitor;
+import org.gcube.portlets.user.td.gwtservice.shared.tr.column.DeleteColumnSession;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.column.type.ChangeColumnTypeMonitor;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.column.type.ChangeColumnTypeSession;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.metadata.TRAgencyMetadata;
@@ -127,6 +129,7 @@ import static org.gcube.resources.discovery.icclient.ICFactory.queryFor;
 import com.google.gwt.user.server.rpc.RemoteServiceServlet;
 
 import org.gcube.common.resources.gcore.utils.Group;
+
 /**
  * 
  * @author "Giancarlo Panichi" <a
@@ -975,9 +978,6 @@ public class TDGWTServiceImpl extends RemoteServiceServlet implements
 					aslSession.getUsername()));
 			TabularDataService service = TabularDataServiceFactory.getService();
 
-			OperationInterface oService = service;
-			TabularResourceInterface trService = service;
-
 			List<OperationDefinition> capabilities = service.getCapabilities();
 
 			// Import SDMX Codelist takes id 200
@@ -987,7 +987,7 @@ public class TDGWTServiceImpl extends RemoteServiceServlet implements
 			TabResource sdmxImportTabResource = sdmxImportSession
 					.getTabResource();
 
-			TabularResource serviceTR = trService.createTabularResource();
+			TabularResource serviceTR = service.createTabularResource();
 
 			syncTRMetaData(serviceTR, sdmxImportTabResource);
 
@@ -1005,7 +1005,7 @@ public class TDGWTServiceImpl extends RemoteServiceServlet implements
 					parameterInstance);
 
 			logger.debug("OperationInvocation: \n" + invocation.toString());
-			Task trTask = oService.execute(invocation, serviceTR.getId());
+			Task trTask = service.execute(invocation, serviceTR.getId());
 			logger.debug("Start Task on service: TaskId " + trTask.getId());
 			SessionUtil.setSDMXImportTask(session, trTask);
 			return;
@@ -1881,50 +1881,53 @@ public class TDGWTServiceImpl extends RemoteServiceServlet implements
 	protected Map<String, Object> sdmxExportParameter(
 			SDMXExportSession exportSession) throws TDGWTServiceException {
 		boolean internalRegistry = false;
-		String destination=null;//Es: http://pc-fortunati.isti.cnr.it:8080/FusionRegistry/ws/rest/
-		
+		String destination = null;// Es:
+									// http://pc-fortunati.isti.cnr.it:8080/FusionRegistry/ws/rest/
+
 		if (exportSession != null) {
 			if (exportSession.getRegistryBaseUrl() != null
 					&& !exportSession.getRegistryBaseUrl().isEmpty()) {
-				destination= exportSession.getRegistryBaseUrl();
+				destination = exportSession.getRegistryBaseUrl();
 			} else {
 				internalRegistry = true;
 			}
 		} else {
 			internalRegistry = true;
 		}
-		
-		if(internalRegistry){
+
+		if (internalRegistry) {
 			SimpleQuery query = queryFor(ServiceEndpoint.class);
-			query.addCondition("$resource/Profile/Category/text() eq 'SDMX'").addCondition("$resource/Profile/Name/text() eq 'SDMXRegistry'");
+			query.addCondition("$resource/Profile/Category/text() eq 'SDMX'")
+					.addCondition(
+							"$resource/Profile/Name/text() eq 'SDMXRegistry'");
 			DiscoveryClient<ServiceEndpoint> client = clientFor(ServiceEndpoint.class);
-			List<ServiceEndpoint> listService=client.submit(query);
-			if(listService.size()>0){
-				ServiceEndpoint serviceEnd=listService.get(0);
-				if(serviceEnd!=null){
-					Profile prof=serviceEnd.profile();
-					Group<AccessPoint> groupA=prof.accessPoints();
-					for(AccessPoint acc: groupA){
-						if(acc.description().compareTo("REST Interface v2.1")==0){
-							destination=acc.address();
+			List<ServiceEndpoint> listService = client.submit(query);
+			if (listService.size() > 0) {
+				ServiceEndpoint serviceEnd = listService.get(0);
+				if (serviceEnd != null) {
+					Profile prof = serviceEnd.profile();
+					Group<AccessPoint> groupA = prof.accessPoints();
+					for (AccessPoint acc : groupA) {
+						if (acc.description().compareTo("REST Interface v2.1") == 0) {
+							destination = acc.address();
 							break;
 						}
 					}
 				} else {
-					
+
 				}
 			} else {
-				
+
 			}
 		}
-		if(destination==null){
-			logger.debug("Destination: "+destination);
+		if (destination == null) {
+			logger.debug("Destination: " + destination);
 			throw new TDGWTServiceException("SDMX Service not discovered");
 		}
-		
+
 		Map<String, Object> parameterInstances = new HashMap<String, Object>();
-		parameterInstances.put(Constants.PARAMETER_REGISTRYBASEURL,
-				destination);
+		parameterInstances
+				.put(Constants.PARAMETER_REGISTRYBASEURL, destination);
 		parameterInstances.put(Constants.PARAMETER_AGENCY, "SDMX");
 		parameterInstances.put(Constants.PARAMETER_ID, "NEW_CL_DIVISION");
 		parameterInstances.put(Constants.PARAMETER_VERSION, "2.0");
@@ -2392,6 +2395,28 @@ public class TDGWTServiceImpl extends RemoteServiceServlet implements
 		return invocation;
 	}
 
+	
+	protected OperationExecution retriveOperationExecution(
+			TabularDataService service, DeleteColumnSession deleteColumnSession)
+			throws TDGWTServiceException {
+
+		OperationExecution invocation = null;
+		List<OperationDefinition> capabilities = service.getCapabilities();
+
+		logger.debug(deleteColumnSession.toString());
+		OperationDefinition operationDefinition;
+		Map<String, Object> map = new HashMap<String, Object>();
+
+		operationDefinition = getOperationDescriptorWithId(
+				OperationsId.RemoveColumn.toString(), capabilities);
+
+		invocation = new OperationExecution(deleteColumnSession
+				.getColumnData().getColumnId(),
+				operationDefinition.getOperationId(), map);
+
+		return invocation;
+	}
+
 	/**
 	 * 
 	 * {@inheritDoc}
@@ -2439,7 +2464,6 @@ public class TDGWTServiceImpl extends RemoteServiceServlet implements
 			throws TDGWTServiceException {
 		try {
 			HttpSession session = this.getThreadLocalRequest().getSession();
-			// ASLSession aslSession = SessionUtil.getAslSession(session);
 			ChangeColumnTypeSession changeColumnTypeSession = SessionUtil
 					.getChangeColumnTypeSession(session);
 
@@ -2526,4 +2550,135 @@ public class TDGWTServiceImpl extends RemoteServiceServlet implements
 
 	}
 
+	/**
+	 * 
+	 * {@inheritDoc}
+	 */
+	public void startDeleteColumn(DeleteColumnSession deleteColumnSession)
+			throws TDGWTServiceException {
+		try {
+			HttpSession session = this.getThreadLocalRequest().getSession();
+			SessionUtil.setDeleteColumnSession(session, deleteColumnSession);
+			ASLSession aslSession = SessionUtil.getAslSession(session);
+
+			AuthorizationProvider.instance.set(new AuthorizationToken(
+					aslSession.getUsername()));
+			TabularDataService service = TabularDataServiceFactory.getService();
+
+			OperationExecution invocation = retriveOperationExecution(service,
+					deleteColumnSession);
+			if (invocation == null) {
+				throw new TDGWTServiceException(
+						"Error in ChangeColumnType: Operation not supported for now!");
+			}
+
+			TabularResourceId serviceTR = new TabularResourceId(
+					Long.valueOf(deleteColumnSession.getColumnData().getTrId()
+							.getId()));
+			logger.debug("OperationInvocation: \n" + invocation.toString());
+			Task trTask = service.execute(invocation, serviceTR);
+			logger.debug("Start Task on service: TaskId " + trTask.getId());
+			SessionUtil.setChangeColumnTypeTask(session, trTask);
+			return;
+		} catch (Exception e) {
+			e.printStackTrace();
+			throw new TDGWTServiceException("Error in ChangeColumnType: "
+					+ e.getLocalizedMessage());
+		}
+
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	public DeleteColumnMonitor getDeleteColumnMonitor()
+			throws TDGWTServiceException {
+		try {
+			HttpSession session = this.getThreadLocalRequest().getSession();
+			DeleteColumnSession deleteColumnSession = SessionUtil
+					.getDeleteColumnSession(session);
+
+			Task task = SessionUtil.getDeleteColumnTask(session);
+			DeleteColumnMonitor deleteColumnMonitor = new DeleteColumnMonitor();
+
+			if (task == null) {
+				logger.debug("Task null");
+				throw new TDGWTServiceException(
+						"Error in ChangeColumnType task null");
+			} else {
+				TaskStatus status = task.getStatus();
+				if (status == null) {
+					logger.debug("Services TaskStatus : null");
+					throw new TDGWTServiceException(
+							"Error in ChangeColumnType Status null");
+				} else {
+					logger.debug("Services TaskStatus: " + task.getStatus());
+
+					deleteColumnMonitor.setStatus(matchTaskState(task
+							.getStatus()));
+					switch (deleteColumnMonitor.getStatus()) {
+					case FAILED:
+						if (task.getResult() != null) {
+							logger.debug("Task exception:"
+									+ task.getErrorCause());
+							deleteColumnMonitor.setError(new Throwable(task
+									.getErrorCause()));
+						} else {
+							logger.debug("Task exception: Error In ChangeColumnType");
+							deleteColumnMonitor.setError(new Throwable(
+									"Error In ChangeColumnType"));
+						}
+						deleteColumnMonitor.setProgress(task.getProgress());
+						break;
+					case SUCCEDED:
+						logger.debug("Task Result:" + task.getResult());
+						deleteColumnMonitor.setProgress(task.getProgress());
+						Table table = task.getResult().getPrimaryTable();
+						logger.debug("Table retrived: " + table.toString());
+						TRId trId = new TRId();
+						trId.setId(deleteColumnSession.getColumnData()
+								.getTrId().getId());
+						trId.setTableId(String
+								.valueOf(table.getId().getValue()));
+						trId.setTableType(table.getTableType().getName());
+						deleteColumnMonitor.setTrId(trId);
+						TabResource tabResource = SessionUtil
+								.getTabResource(session);
+						tabResource.setTrId(trId);
+						SessionUtil.setTabResource(session, tabResource);
+						SessionUtil.setTRId(session, trId);
+						break;
+					case IN_PROGRESS:
+						deleteColumnMonitor.setProgress(task.getProgress());
+						break;
+					case VALIDATING_RULES:
+						deleteColumnMonitor.setProgress(task.getProgress());
+						break;
+					case ABORTED:
+						break;
+					case STOPPED:
+						deleteColumnMonitor.setError(new Throwable(
+								"Export Stopped on service"));
+						break;
+					case INITIALIZING:
+						break;
+					default:
+						break;
+					}
+				}
+				SessionUtil.setChangeColumnTypeTask(session, task);
+			}
+
+			logger.info("DeleteColumnMonitor(): " + deleteColumnMonitor);
+			return deleteColumnMonitor;
+		} catch (Exception e) {
+			e.printStackTrace();
+			throw new TDGWTServiceException(
+					"Error in delete column monitor DeleteColumnMonitor: "
+							+ e.getLocalizedMessage());
+
+		}
+
+	}
+
 }

src/main/java/org/gcube/portlets/user/td/gwtservice/shared/OperationMonitor.java

@@ -0,0 +1,92 @@
+/**
+ * 
+ */
+package org.gcube.portlets.user.td.gwtservice.shared;
+
+import java.io.Serializable;
+
+import org.gcube.portlets.user.td.gwtservice.shared.task.State;
+import org.gcube.portlets.user.td.widgetcommonevent.shared.TRId;
+
+/**
+ * 
+ * @author "Giancarlo Panichi" 
+ * <a href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a> 
+ *
+ */
+public class OperationMonitor implements Serializable {
+	
+	private static final long serialVersionUID = 5378053063599667767L;
+	
+	protected float progress;
+	protected State status;
+	protected String statusDescription;
+	protected Throwable error;
+	protected TRId trId;
+	protected String columnName;
+	
+	public float getProgress(){
+		return progress;
+	};
+
+	public State getStatus(){
+		return status;
+	}
+	
+	public String getStatusDescription(){
+		return statusDescription;
+	}
+
+	public void setProgress(float progress) {
+		this.progress = progress;
+	}
+
+	public void setStatus(State status) {
+		this.status = status;
+	}
+	
+	public void setStatus(int status) {
+		this.status = State.values()[status];
+	}
+
+	
+
+	public void setStatusDescription(String statusDescription) {
+		this.statusDescription = statusDescription;
+	}
+
+	public Throwable getError() {
+		return error;
+	}
+
+	public void setError(Throwable error) {
+		this.error = error;
+	}
+
+	public TRId getTrId() {
+		return trId;
+	}
+
+	public void setTrId(TRId trId) {
+		this.trId = trId;
+	}
+
+	public String getColumnName() {
+		return columnName;
+	}
+
+	public void setColumnName(String columnName) {
+		this.columnName = columnName;
+	}
+
+	@Override
+	public String toString() {
+		return "ChangeColumnTypeMonitor [progress=" + progress + ", status="
+				+ status + ", statusDescription=" + statusDescription
+				+ ", error=" + error + ", trId=" + trId + ", columnName="
+				+ columnName + "]";
+	}
+
+	
+		
+}

src/main/java/org/gcube/portlets/user/td/gwtservice/shared/tr/column/DeleteColumnMonitor.java

@@ -0,0 +1,21 @@
+/**
+ * 
+ */
+package org.gcube.portlets.user.td.gwtservice.shared.tr.column;
+
+import java.io.Serializable;
+
+import org.gcube.portlets.user.td.gwtservice.shared.OperationMonitor;
+
+/**
+ * 
+ * @author "Giancarlo Panichi" 
+ * <a href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a> 
+ *
+ */
+public class DeleteColumnMonitor extends OperationMonitor implements Serializable {
+
+	
+	private static final long serialVersionUID = -7694151843138161474L;
+			
+}

src/main/java/org/gcube/portlets/user/td/gwtservice/shared/tr/column/DeleteColumnSession.java

@@ -0,0 +1,30 @@
+package org.gcube.portlets.user.td.gwtservice.shared.tr.column;
+
+import java.io.Serializable;
+
+import org.gcube.portlets.user.td.gwtservice.shared.tr.ColumnData;
+
+/**
+ * 
+ * @author "Giancarlo Panichi" 
+ * <a href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a> 
+ *
+ */
+public class DeleteColumnSession implements Serializable {
+	
+	private static final long serialVersionUID = -1896235499708614266L;
+	
+	protected ColumnData columnData;
+	
+	
+	public ColumnData getColumnData() {
+		return columnData;
+	}
+	public void setColumnData(ColumnData columnData) {
+		this.columnData = columnData;
+	}
+	
+	
+	
+	
+}