Examples with RepositoryChangeQueryCommand org.talend.designer.core.ui.editor.cmd.RepositoryChangeQueryCommand used on opensource projects

Example 1 with RepositoryChangeQueryCommand

use of org.talend.designer.core.ui.editor.cmd.RepositoryChangeQueryCommand in project tdi-studio-se by Talend.

the class ComponentChooseDialog method createRefreshingPropertiesCommand.

/**
     * DOC bqian Comment method "createRefreshingPropertiesCommand".
     *
     * @param selectedNode
     * @param node
     */
private List<Command> createRefreshingPropertiesCommand(CompoundCommand cc, RepositoryNode selectedNode, Node node) {
    // List<Command> list = new ArrayList<Command>();
    if (selectedNode.getObject().getProperty().getItem() instanceof ConnectionItem) {
        String propertyId = selectedNode.getObject().getProperty().getId();
        ConnectionItem originalConnectionItem = (ConnectionItem) selectedNode.getObject().getProperty().getItem();
        ConnectionItem connectionItem = originalConnectionItem;
        Connection originalConnection = connectionItem.getConnection();
        Connection connection = connectionItem.getConnection();
        // if component is CDC, replace by the CDC connection.
        if (node.getComponent().getName().contains("CDC")) {
            // to replace by a flag CDC in component? //$NON-NLS-1$
            if (selectedNode.getObject().getProperty().getItem() instanceof DatabaseConnectionItem) {
                final DatabaseConnection databaseConnection = (DatabaseConnection) connection;
                CDCConnection cdcConn = databaseConnection.getCdcConns();
                if (cdcConn != null) {
                    EList cdcTypes = cdcConn.getCdcTypes();
                    if (cdcTypes != null && !cdcTypes.isEmpty()) {
                        CDCType cdcType = (CDCType) cdcTypes.get(0);
                        // replace property by CDC property.
                        propertyId = cdcType.getLinkDB();
                        try {
                            IRepositoryViewObject object = ProxyRepositoryFactory.getInstance().getLastVersion(propertyId);
                            if (object != null) {
                                if (object.getProperty().getItem() instanceof DatabaseConnectionItem) {
                                    DatabaseConnectionItem dbConnItem = (DatabaseConnectionItem) object.getProperty().getItem();
                                    // replace connection by CDC connection
                                    connectionItem = dbConnItem;
                                    connection = dbConnItem.getConnection();
                                }
                            }
                        } catch (PersistenceException e) {
                            ExceptionHandler.process(e);
                        }
                        // set cdc type mode.
                        IElementParameter logModeParam = node.getElementParameter(EParameterName.CDC_TYPE_MODE.getName());
                        if (logModeParam != null) {
                            String cdcTypeMode = ((DatabaseConnection) originalConnection).getCdcTypeMode();
                            Command logModeCmd = new PropertyChangeCommand(node, EParameterName.CDC_TYPE_MODE.getName(), CDCTypeMode.LOG_MODE.getName().equals(cdcTypeMode));
                            cc.add(logModeCmd);
                        }
                        // set lib for as400 so far.
                        //$NON-NLS-1$
                        final String name = "SOURCE_LIB";
                        IElementParameter libParam = node.getElementParameter(name);
                        if (libParam != null) {
                            Object propValue;
                            if (connection.isContextMode() && ContextParameterUtils.isContainContextParam(databaseConnection.getSID())) {
                                propValue = databaseConnection.getSID();
                            } else {
                                propValue = TalendTextUtils.addQuotes(databaseConnection.getSID());
                            }
                            Command libSettingCmd = new PropertyChangeCommand(node, name, propValue);
                            cc.add(libSettingCmd);
                        }
                    }
                }
            }
        }
        // fore EBCDIC, by cli
        if ((connectionItem instanceof EbcdicConnectionItem) && PluginChecker.isEBCDICPluginLoaded()) {
            // TDI-20505:integration the drag/drop for EBCDIC connection and EBCDIC metadataTable
            IRepositoryViewObject object = selectedNode.getObject();
            if (selectedNode.getObjectType() == ERepositoryObjectType.METADATA_FILE_EBCDIC) {
                for (MetadataTable table : ConnectionHelper.getTables(originalConnection)) {
                    Command ebcdicCmd = new RepositoryChangeMetadataForEBCDICCommand(node, IEbcdicConstant.TABLE_SCHEMAS, table.getLabel(), ConvertionHelper.convert(table));
                    cc.add(ebcdicCmd);
                }
            }
            if (selectedNode.getProperties(EProperties.CONTENT_TYPE) == ERepositoryObjectType.METADATA_CON_TABLE) {
                MetadataTable table = null;
                if (object instanceof MetadataTableRepositoryObject) {
                    table = ((MetadataTableRepositoryObject) object).getTable();
                }
                Command ebcdicCmd = new RepositoryChangeMetadataForEBCDICCommand(node, IEbcdicConstant.TABLE_SCHEMAS, table.getLabel(), ConvertionHelper.convert(table));
                cc.add(ebcdicCmd);
            }
        }
        // fore HL7, by gcui
        if ((selectedNode.getObjectType() == ERepositoryObjectType.METADATA_FILE_HL7 && PluginChecker.isHL7PluginLoaded()) || (selectedNode.getParent() != null && selectedNode.getParent().getObjectType() == ERepositoryObjectType.METADATA_FILE_HL7 && PluginChecker.isHL7PluginLoaded())) {
            if (originalConnection instanceof HL7ConnectionImpl) {
                if (((HL7ConnectionImpl) originalConnection).getRoot() != null) {
                    List<Map<String, String>> mapList = new ArrayList<Map<String, String>>();
                    for (Object obj : ((HL7ConnectionImpl) originalConnection).getRoot()) {
                        if (obj instanceof HL7FileNode) {
                            Map<String, String> newMap = new HashMap<String, String>();
                            newMap.put(IHL7Constant.ATTRIBUTE, ((HL7FileNode) obj).getAttribute());
                            newMap.put(IHL7Constant.PATH, ((HL7FileNode) obj).getFilePath());
                            newMap.put(IHL7Constant.COLUMN, ((HL7FileNode) obj).getRelatedColumn());
                            newMap.put(IHL7Constant.ORDER, String.valueOf(((HL7FileNode) obj).getOrder()));
                            newMap.put(IHL7Constant.VALUE, ((HL7FileNode) obj).getDefaultValue());
                            newMap.put(IHL7Constant.REPEATABLE, String.valueOf(((HL7FileNode) obj).isRepeatable()));
                            mapList.add(newMap);
                        }
                    }
                    IExternalNode externalNode = ExternalUtilities.getExternalNodeReadyToOpen(node);
                    if (externalNode != null && externalNode.getElementParameter("ROOT") != null) {
                        //$NON-NLS-1$
                        //$NON-NLS-1$
                        externalNode.getElementParameter("ROOT").setValue(mapList);
                    }
                    String fileName = ((HL7ConnectionImpl) originalConnection).getOutputFilePath();
                    if (externalNode != null && externalNode.getElementParameter("FILENAME") != null && fileName != null) {
                        //$NON-NLS-1$
                        //$NON-NLS-1$
                        externalNode.getElementParameter("FILENAME").setValue(TalendTextUtils.addQuotes(fileName));
                    }
                }
            }
            // fore HL7, by gcui
            if (selectedNode.getObjectType() == ERepositoryObjectType.METADATA_FILE_HL7 && PluginChecker.isHL7PluginLoaded()) {
                for (MetadataTable table : ConnectionHelper.getTablesWithOrders(originalConnection)) {
                    Command hl7Cmd = new RepositoryChangeMetadataForHL7Command(node, IHL7Constant.TABLE_SCHEMAS, table.getLabel(), ConvertionHelper.convert(table));
                    cc.add(hl7Cmd);
                }
            }
        }
        // for brms
        if ((selectedNode.getObjectType() == ERepositoryObjectType.METADATA_FILE_BRMS && PluginChecker.isBRMSPluginLoaded()) || (selectedNode.getParent() != null && selectedNode.getParent().getObjectType() == ERepositoryObjectType.METADATA_FILE_BRMS && PluginChecker.isBRMSPluginLoaded())) {
            if (originalConnection instanceof BRMSConnectionImpl) {
                if (((BRMSConnectionImpl) originalConnection).getRoot() != null) {
                    List<Map<String, String>> rootList = new ArrayList<Map<String, String>>();
                    List<Map<String, String>> loopList = new ArrayList<Map<String, String>>();
                    List<Map<String, String>> groupList = new ArrayList<Map<String, String>>();
                    for (Object obj : ((BRMSConnectionImpl) originalConnection).getRoot()) {
                        if (obj instanceof XMLFileNode) {
                            Map<String, String> rootMap = new HashMap<String, String>();
                            //$NON-NLS-1$
                            rootMap.put("ATTRIBUTE", ((XMLFileNode) obj).getAttribute());
                            //$NON-NLS-1$
                            rootMap.put("PATH", ((XMLFileNode) obj).getXMLPath());
                            //$NON-NLS-1$
                            rootMap.put("COLUMN", ((XMLFileNode) obj).getRelatedColumn());
                            //$NON-NLS-1$
                            rootMap.put("ORDER", String.valueOf(((XMLFileNode) obj).getOrder()));
                            //$NON-NLS-1$
                            rootMap.put("VALUE", ((XMLFileNode) obj).getDefaultValue());
                            rootList.add(rootMap);
                        }
                    }
                    for (Object obj : ((BRMSConnectionImpl) originalConnection).getLoop()) {
                        if (obj instanceof XMLFileNode) {
                            Map<String, String> loopMap = new HashMap<String, String>();
                            //$NON-NLS-1$
                            loopMap.put("ATTRIBUTE", ((XMLFileNode) obj).getAttribute());
                            //$NON-NLS-1$
                            loopMap.put("PATH", ((XMLFileNode) obj).getXMLPath());
                            //$NON-NLS-1$
                            loopMap.put("COLUMN", ((XMLFileNode) obj).getRelatedColumn());
                            //$NON-NLS-1$
                            loopMap.put("ORDER", String.valueOf(((XMLFileNode) obj).getOrder()));
                            //$NON-NLS-1$
                            loopMap.put("VALUE", ((XMLFileNode) obj).getDefaultValue());
                            loopList.add(loopMap);
                        }
                    }
                    for (Object obj : ((BRMSConnectionImpl) originalConnection).getGroup()) {
                        if (obj instanceof XMLFileNode) {
                            Map<String, String> groupMap = new HashMap<String, String>();
                            //$NON-NLS-1$
                            groupMap.put("ATTRIBUTE", ((XMLFileNode) obj).getAttribute());
                            //$NON-NLS-1$
                            groupMap.put("PATH", ((XMLFileNode) obj).getXMLPath());
                            //$NON-NLS-1$
                            groupMap.put("COLUMN", ((XMLFileNode) obj).getRelatedColumn());
                            //$NON-NLS-1$
                            groupMap.put("ORDER", String.valueOf(((XMLFileNode) obj).getOrder()));
                            //$NON-NLS-1$
                            groupMap.put("VALUE", ((XMLFileNode) obj).getDefaultValue());
                            groupList.add(groupMap);
                        }
                    }
                    IExternalNode externalNode = ExternalUtilities.getExternalNodeReadyToOpen(node);
                    if (externalNode != null && externalNode.getElementParameter("ROOT") != null) {
                        //$NON-NLS-1$
                        //$NON-NLS-1$
                        externalNode.getElementParameter("ROOT").setValue(rootList);
                    }
                    if (externalNode != null && externalNode.getElementParameter("LOOP") != null) {
                        //$NON-NLS-1$
                        //$NON-NLS-1$
                        externalNode.getElementParameter("LOOP").setValue(loopList);
                    }
                    if (externalNode != null && externalNode.getElementParameter("GROUP") != null) {
                        //$NON-NLS-1$
                        //$NON-NLS-1$
                        externalNode.getElementParameter("GROUP").setValue(groupList);
                    }
                }
            }
        }
        IElementParameter propertyParam = node.getElementParameterFromField(EParameterFieldType.PROPERTY_TYPE);
        if (propertyParam != null) {
            propertyParam.getChildParameters().get(EParameterName.PROPERTY_TYPE.getName()).setValue(EmfComponent.REPOSITORY);
            propertyParam.getChildParameters().get(EParameterName.REPOSITORY_PROPERTY_TYPE.getName()).setValue(propertyId);
        }
        IProxyRepositoryFactory factory = DesignerPlugin.getDefault().getProxyRepositoryFactory();
        Map<String, IMetadataTable> repositoryTableMap = new HashMap<String, IMetadataTable>();
        if (!originalConnection.isReadOnly()) {
            for (Object tableObj : ConnectionHelper.getTables(originalConnection)) {
                org.talend.core.model.metadata.builder.connection.MetadataTable table;
                table = (org.talend.core.model.metadata.builder.connection.MetadataTable) tableObj;
                if (factory.getStatus(originalConnectionItem) != ERepositoryStatus.DELETED) {
                    if (!factory.isDeleted(table)) {
                        String value = table.getId();
                        IMetadataTable newTable = ConvertionHelper.convert(table);
                        repositoryTableMap.put(value, newTable);
                    }
                }
            }
        }
        // DesignerPlugin.getDefault().getProxyRepositoryFactory().getLastVersion("")
        if (propertyParam != null) {
            // command used to set property type
            IMetadataTable metadataTable = null;
            // && selectedNode.getObjectType() == ERepositoryObjectType.METADATA_CON_TABLE) {
            if (selectedNode.getObject() instanceof IMetadataTable) {
                metadataTable = (IMetadataTable) selectedNode.getObject();
                if (metadataTable != null && repositoryTableMap.get(metadataTable.getId()) != null) {
                    metadataTable = repositoryTableMap.get(metadataTable.getId());
                }
            }
            // }
            ChangeValuesFromRepository command1 = new ChangeValuesFromRepository(node, connection, metadataTable, propertyParam.getName() + ":" + EParameterName.REPOSITORY_PROPERTY_TYPE.getName(), propertyId, //$NON-NLS-1$
            true);
            command1.setMaps(repositoryTableMap);
            if (selectedNode.getProperties(EProperties.CONTENT_TYPE) != ERepositoryObjectType.METADATA_CON_QUERY) {
                command1.setGuessQuery(true);
            }
            setSAPSpecailValueForCommand(selectedNode, command1);
            // for salesForce module
            SalesforceModuleRepositoryObject sfObject = null;
            if (selectedNode.getProperties(EProperties.CONTENT_TYPE) == ERepositoryObjectType.METADATA_SALESFORCE_MODULE) {
                sfObject = (SalesforceModuleRepositoryObject) selectedNode.getObject();
            } else if (selectedNode.getProperties(EProperties.CONTENT_TYPE) == ERepositoryObjectType.METADATA_CON_TABLE) {
                IRepositoryViewObject object = selectedNode.getParent().getObject();
                if (object instanceof SalesforceModuleRepositoryObject) {
                    sfObject = (SalesforceModuleRepositoryObject) object;
                }
            }
            if (sfObject != null) {
                ModelElement modelElement = sfObject.getModelElement();
                if (modelElement instanceof SalesforceModuleUnit) {
                    command1.setSalesForceModuleUnit((SalesforceModuleUnit) modelElement);
                }
            }
            cc.add(command1);
        }
        // command used to set metadata
        getChangeMetadataCommand(cc, selectedNode, node, originalConnectionItem);
        // command used to set query
        if (selectedNode.getProperties(EProperties.CONTENT_TYPE) == ERepositoryObjectType.METADATA_CON_QUERY) {
            IElementParameter queryParam = node.getElementParameterFromField(EParameterFieldType.QUERYSTORE_TYPE);
            QueryRepositoryObject object = (QueryRepositoryObject) selectedNode.getObject();
            Query query = object.getQuery();
            //$NON-NLS-1$
            String value = originalConnectionItem.getProperty().getId() + " - " + query.getLabel();
            if (queryParam != null) {
                RepositoryChangeQueryCommand command3 = new RepositoryChangeQueryCommand(node, query, queryParam.getName() + ":" + EParameterName.REPOSITORY_QUERYSTORE_TYPE.getName(), //$NON-NLS-1$
                value);
                cc.add(command3);
            }
        } else {
            if (connection instanceof DatabaseConnection && hasQuery(node)) {
                DatabaseConnection connection2 = (DatabaseConnection) connection;
                String schema = connection2.getUiSchema();
                String dbType = connection2.getDatabaseType();
                QueryGuessCommand queryGuessCommand = null;
                if (node.getMetadataList().size() == 0) {
                    queryGuessCommand = new QueryGuessCommand(node, null, schema, dbType);
                } else {
                    // modified by hyWang for bug 7190
                    queryGuessCommand = new QueryGuessCommand(node, node.getMetadataList().get(0), schema, dbType, connection);
                }
                if (queryGuessCommand != null) {
                    cc.add(queryGuessCommand);
                }
            }
        }
    // context, moved to ChangeValuesFromRepository(bug 5198)
    // ConnectionContextHelper.addContextForNodeParameter(node, connectionItem);
    } else if (selectedNode.getObject().getProperty().getItem() instanceof ProcessItem) {
        ProcessItem processItem = (ProcessItem) selectedNode.getObject().getProperty().getItem();
        // command used to set job
        String value = processItem.getProperty().getId();
        PropertyChangeCommand command4 = new PropertyChangeCommand(node, EParameterName.PROCESS_TYPE_PROCESS.getName(), value);
        cc.add(command4);
        PropertyChangeCommand command5 = new PropertyChangeCommand(node, EParameterName.PROCESS_TYPE_CONTEXT.getName(), processItem.getProcess().getDefaultContext());
        cc.add(command5);
    } else if (selectedNode.getObject().getProperty().getItem() instanceof FileItem) {
        // hywang add for 6484
        if (selectedNode.getObject().getProperty().getItem() instanceof RulesItem) {
            RulesItem rulesItem = (RulesItem) selectedNode.getObject().getProperty().getItem();
            //                String displayName = "Rules:" + rulesItem.getProperty().getLabel(); //$NON-NLS-N$
            IElementParameter propertyParam = node.getElementParameterFromField(EParameterFieldType.PROPERTY_TYPE);
            if (propertyParam != null) {
                propertyParam.getChildParameters().get(EParameterName.PROPERTY_TYPE.getName()).setValue(EmfComponent.REPOSITORY);
                // propertyParam.getChildParameters().get(EParameterName.REPOSITORY_PROPERTY_TYPE.getName())
                // .setListItemsDisplayName(new String[] { displayName });
                final String showId = rulesItem.getProperty().getId();
                PropertyChangeCommand command6 = new PropertyChangeCommand(node, EParameterName.REPOSITORY_PROPERTY_TYPE.getName(), showId);
                cc.add(command6);
            }
        }
    } else if (selectedNode.getObject().getProperty().getItem() instanceof LinkRulesItem) {
        LinkRulesItem linkItem = (LinkRulesItem) selectedNode.getObject().getProperty().getItem();
        IElementParameter propertyParam = node.getElementParameterFromField(EParameterFieldType.PROPERTY_TYPE);
        if (propertyParam != null) {
            propertyParam.getChildParameters().get(EParameterName.PROPERTY_TYPE.getName()).setValue(EmfComponent.REPOSITORY);
            // propertyParam.getChildParameters().get(EParameterName.REPOSITORY_PROPERTY_TYPE.getName())
            // .setListItemsDisplayName(new String[] { displayName });
            final String showId = linkItem.getProperty().getId();
            PropertyChangeCommand command7 = new PropertyChangeCommand(node, EParameterName.REPOSITORY_PROPERTY_TYPE.getName(), showId);
            cc.add(command7);
        }
    }
    return null;
}

Example 2 with RepositoryChangeQueryCommand

use of org.talend.designer.core.ui.editor.cmd.RepositoryChangeQueryCommand in project tdi-studio-se by Talend.

the class ComponentChooseDialog method getChangeQueryCommand.

private Command getChangeQueryCommand(RepositoryNode selectedNode, Node node, ConnectionItem connectionItem) {
    if (selectedNode.getProperties(EProperties.CONTENT_TYPE) == ERepositoryObjectType.METADATA_CON_QUERY) {
        QueryRepositoryObject object = (QueryRepositoryObject) selectedNode.getObject();
        Query query = object.getQuery();
        //$NON-NLS-1$
        String value = connectionItem.getProperty().getId() + " - " + query.getLabel();
        IElementParameter queryParam = node.getElementParameterFromField(EParameterFieldType.QUERYSTORE_TYPE);
        if (queryParam != null) {
            queryParam.getChildParameters().get(EParameterName.QUERYSTORE_TYPE.getName()).setValue(EmfComponent.REPOSITORY);
            RepositoryChangeQueryCommand command2 = new RepositoryChangeQueryCommand(node, query, //$NON-NLS-1$
            queryParam.getName() + ":" + EParameterName.REPOSITORY_QUERYSTORE_TYPE.getName(), value);
            return command2;
        }
    }
    return null;
}

Example 3 with RepositoryChangeQueryCommand

use of org.talend.designer.core.ui.editor.cmd.RepositoryChangeQueryCommand in project tdi-studio-se by Talend.

the class QueryTypeController method createButtonCommand.

/*
     * (non-Javadoc)
     * 
     * @see
     * org.talend.designer.core.ui.editor.properties.controllers.AbstractRepositoryController#createButtonCommand(org
     * .eclipse.swt.widgets.Button)
     */
@Override
protected Command createButtonCommand(Button button) {
    if (button.getData(NAME).equals(GUESS_QUERY_NAME)) {
        return getGuessQueryCommand();
    }
    if (button.getData(NAME).equals(REPOSITORY_CHOICE)) {
        RepositoryReviewDialog dialog = new RepositoryReviewDialog(button.getShell(), ERepositoryObjectType.METADATA_CON_QUERY, null);
        if (dialog.open() == RepositoryReviewDialog.OK) {
            RepositoryNode node = dialog.getResult();
            while (node.getObject().getProperty().getItem() == null || (!(node.getObject().getProperty().getItem() instanceof ConnectionItem))) {
                node = node.getParent();
            }
            String id = node.getObject().getProperty().getId();
            String name = dialog.getResult().getObject().getLabel();
            String paramName = (String) button.getData(PARAMETER_NAME);
            //$NON-NLS-1$
            String value = id + " - " + name;
            Query query = MetadataToolHelper.getQueryFromRepository(value);
            if (query != null) {
                IElementParameter queryText = getQueryTextElementParameter(elem);
                if (queryText != null) {
                    return new RepositoryChangeQueryCommand(elem, query, EParameterName.REPOSITORY_QUERYSTORE_TYPE.getName(), value);
                }
            }
        }
    }
    return null;
}

Example 4 with RepositoryChangeQueryCommand

use of org.talend.designer.core.ui.editor.cmd.RepositoryChangeQueryCommand in project tdi-studio-se by Talend.

the class QueryTypeController method createComboCommand.

/*
     * (non-Javadoc)
     * 
     * @see
     * org.talend.designer.core.ui.editor.properties.controllers.AbstractRepositoryController#createComboCommand(org
     * .eclipse.swt.custom.CCombo)
     */
@Override
protected Command createComboCommand(CCombo combo) {
    String paramName = (String) combo.getData(PARAMETER_NAME);
    IElementParameter param = elem.getElementParameter(paramName);
    IElementParameter switchParam = elem.getElementParameter(EParameterName.REPOSITORY_ALLOW_AUTO_SWITCH.getName());
    String name = param.getName();
    String value = combo.getText();
    for (int j = 0; j < param.getListItemsValue().length; j++) {
        if (combo.getText().equals(param.getListItemsDisplayName()[j])) {
            value = (String) param.getListItemsValue()[j];
        }
    }
    if (name.equals(EParameterName.QUERYSTORE_TYPE.getName())) {
        if (elem instanceof Node) {
            String querySelected;
            Query repositoryQuery = null;
            // Map<String, Query> repositoryQueryStoreMap = this.dynamicProperty.getRepositoryQueryStoreMap();
            IElementParameter repositoryParam = param.getParentParameter().getChildParameters().get(EParameterName.REPOSITORY_QUERYSTORE_TYPE.getName());
            querySelected = (String) repositoryParam.getValue();
            /* value can be devided means the value like "connectionid - label" */
            String[] keySplitValues = querySelected.toString().split(" - ");
            if (keySplitValues.length > 1) {
                String connectionId = querySelected.split(" - ")[0];
                String queryLabel = querySelected.split(" - ")[1];
                IProxyRepositoryFactory factory = ProxyRepositoryFactory.getInstance();
                Item item = null;
                try {
                    IRepositoryViewObject repobj = factory.getLastVersion(connectionId);
                    if (repobj != null) {
                        Property property = repobj.getProperty();
                        if (property != null) {
                            item = property.getItem();
                        }
                    }
                } catch (PersistenceException e) {
                    ExceptionHandler.process(e);
                }
                if (item != null && item instanceof DatabaseConnectionItem) {
                    Connection conn = ((DatabaseConnectionItem) item).getConnection();
                    if (conn instanceof DatabaseConnection) {
                        DatabaseConnection dbconn = (DatabaseConnection) conn;
                        QueriesConnection queryConnection = dbconn.getQueries();
                        for (Query query : queryConnection.getQuery()) {
                            if (query.getLabel().equals(queryLabel)) {
                                repositoryQuery = query;
                                break;
                            }
                        }
                    }
                }
            }
            if (switchParam != null) {
                switchParam.setValue(Boolean.FALSE);
            }
            if (repositoryQuery != null) {
                return new RepositoryChangeQueryCommand(elem, repositoryQuery, name, value);
            } else {
                return new PropertyChangeCommand(elem, name, value);
            }
        }
    }
    return null;
}