com.denodo.scheduler.client.vdpintrospection

Interface VDPManager

All Superinterfaces:

java.io.Serializable

public interface VDPManager
extends java.io.Serializable

Interface for clients to introspect a VDP Server

Since:

5.0

Method Summary

Modifier and Type	Method and Description
java.lang.String	generateOrderByExpressionWithPK(int vdpDataSourceID, java.util.Collection<java.lang.String> pkFields) Returns a default ORDER BY expression generated from the selected PK fields.
java.lang.String	generateOrderByExpressionWithPK(int vdpDataSourceID, java.lang.String viewName) Returns a default ORDER BY expression generated from the selected view's PK.
java.util.Collection<java.lang.String>	getCatalogNames(int vdpDataSourceID) Returns a collection with the names of the catalogs/databases of the VDP Server defined by the identifier of the data source.
java.util.Collection<java.lang.String>	getDateFieldsFromView(int vdpDataSourceID, java.lang.String viewName) Returns the date-type fields of a VDP view.
java.util.Collection<VDPViewElement>	getElements(int vdpDataSourceID, VDPViewElementFilter elementFilter) Returns a collection of the elements of the database defined in elementFilter and VDP Server defined by the identifier of the data source.
java.util.Collection<java.lang.String>	getJDBCTableViewNames(int vdpDataSourceID, java.lang.String catalogName, java.lang.String viewNameFilter) Returns a collection with the names of the base views over a jdbc table of the VDP Server defined by the identifier of the data source.
java.util.Collection<java.lang.String>	getSummaryViewNames(int vdpDataSourceID, java.lang.String catalogName, java.lang.String viewNameFilter) Returns a collection with the names of the base views over a summary of the VDP Server defined by the identifier of the data source
java.util.Collection<java.lang.String>	getTextFieldsFromView(int vdpDataSourceID, java.lang.String viewName) Returns the text-type fields of a VDP view.
java.util.Collection<<any>>	getVDPI18NList(int vdpDataSourceID) Returns a collection of i18n labels from the VDP Server using the data source identified by vdpDataSourceID.
VDPLocale	getVDPLocale(int vdpDataSourceID, java.lang.String code) Returns the VDP Locale defined by code parameter from VDP Server using the data source identified by vdpDataSourceID.
VDPViewInfo	getViewInfo(int vdpDataSourceID, java.lang.String viewName) Returns the creation query, pks and fields of a VDP view and which ones are mandatory.
java.util.Collection<java.lang.String>	getViewNames(int vdpDataSourceID) Returns a collection with the names of the views (base and derived) of the VDP Server defined by the identifier of the data source.
java.util.Collection<java.lang.String>	getViewNames(int vdpDataSourceID, java.lang.String catalogName, java.lang.String viewNameFilter) Returns a collection with the names of the views (base and derived) of the VDP Server defined by the identifier of the data source.
java.util.Collection<java.lang.String>	getViewsWithPKNames(int vdpDataSourceID) Returns a collection with the names of the views (base and derived) of the VDP Server defined by the identifier of the data source.
java.util.Collection<java.lang.String>	getViewsWithPKNames(int vdpDataSourceID, java.lang.String catalogName) Returns a collection with the names of the views (base and derived) of the VDP Server defined by the identifier of the data source.
java.util.Collection<java.lang.String>	getViewsWithPKNames(int vdpDataSourceID, java.lang.String catalogName, java.lang.String viewNameFilter) Returns a collection with the names of the views (base and derived) of the VDP Server defined by the identifier of the data source.
java.lang.String	validateQuery(int vdpDataSourceID, java.lang.String query) Checks if a query is valid (without executing it).
java.lang.String	validateQuery(int vdpDataSourceID, java.lang.String query, java.lang.String contextOpts) Checks if a query is valid (without executing it).

Method Detail

getViewNames

java.util.Collection<java.lang.String> getViewNames(int vdpDataSourceID)
                                             throws VDPConnectException,
                                                    InstanceNotFoundException,
                                                    InternalErrorException

Returns a collection with the names of the views (base and derived) of the VDP Server defined by the identifier of the data source.

Parameters:

vdpDataSourceID - the identifier of the VDP data source created in Scheduler.

Returns:

the collection of view names.

Throws:

VDPConnectException - if a connection error occurs against VDP. Typically, the connection was refused remotely or the authentication was wrong.

InstanceNotFoundException - if the data source does not exist.

InternalErrorException - if an error occurs during the process.

getViewsWithPKNames

java.util.Collection<java.lang.String> getViewsWithPKNames(int vdpDataSourceID)
                                                    throws VDPConnectException,
                                                           InstanceNotFoundException,
                                                           InternalErrorException

Returns a collection with the names of the views (base and derived) of the VDP Server defined by the identifier of the data source. Only views which define a PK will be included in the result.

Parameters:

vdpDataSourceID - the identifier of the VDP data source created in Scheduler.

Returns:

the collection of view names.

Throws:

VDPConnectException - if a connection error occurs against VDP. Typically, the connection was refused remotely or the authentication was wrong.

InstanceNotFoundException - if the data source does not exist.

InternalErrorException - if an error occurs during the process.

getViewsWithPKNames

java.util.Collection<java.lang.String> getViewsWithPKNames(int vdpDataSourceID,
                                                           java.lang.String catalogName)
                                                    throws VDPConnectException,
                                                           InstanceNotFoundException,
                                                           InternalErrorException

Returns a collection with the names of the views (base and derived) of the VDP Server defined by the identifier of the data source. Only views which define a PK will be included in the result.

Parameters:

vdpDataSourceID - the identifier of the VDP data source created in Scheduler.

catalogName - the name of the database.

Returns:

the collection of view names.

Throws:

VDPConnectException - if a connection error occurs against VDP. Typically, the connection was refused remotely or the authentication was wrong.

InstanceNotFoundException - if the data source does not exist.

InternalErrorException - if an error occurs during the process.

getViewsWithPKNames

java.util.Collection<java.lang.String> getViewsWithPKNames(int vdpDataSourceID,
                                                           java.lang.String catalogName,
                                                           java.lang.String viewNameFilter)
                                                    throws VDPConnectException,
                                                           InstanceNotFoundException,
                                                           InternalErrorException

Returns a collection with the names of the views (base and derived) of the VDP Server defined by the identifier of the data source. Only views which define a PK will be included in the result

Parameters:

vdpDataSourceID - the identifier of the VDP data source created in Scheduler.

catalogName - the name of the database. null accepted to search all databases

viewNameFilter - filters view names. null or empty string accepted if no filter needed

Returns:

the collection of view names.

Throws:

VDPConnectException - if a connection error occurs against VDP. Typically, the connection was refused remotely or the authentication was wrong.

InstanceNotFoundException - if the data source does not exist.

InternalErrorException - if an error occurs during the process.

generateOrderByExpressionWithPK

java.lang.String generateOrderByExpressionWithPK(int vdpDataSourceID,
                                                 java.lang.String viewName)
                                          throws VDPConnectException,
                                                 InstanceNotFoundException,
                                                 InternalErrorException

Returns a default ORDER BY expression generated from the selected view's PK. The expression will have the following structure: ORDER BY pk_field_1 ASC[, pk_field_n ASC]*. An empty string will be returned in case the selected view does not have a PK.

Parameters:

vdpDataSourceID - the identifier of the VDP data source created in Scheduler.

viewName - the name of the view.

Returns:

Throws:

VDPConnectException - if a connection error occurs against VDP. Typically, the connection was refused remotely or the authentication was wrong.

InstanceNotFoundException - if the data source does not exist.

InternalErrorException - if an error occurs during the process.

generateOrderByExpressionWithPK

java.lang.String generateOrderByExpressionWithPK(int vdpDataSourceID,
                                                 java.util.Collection<java.lang.String> pkFields)
                                          throws VDPConnectException,
                                                 InstanceNotFoundException,
                                                 InternalErrorException

Returns a default ORDER BY expression generated from the selected PK fields. The expression will have the following structure: ORDER BY pk_field_1 ASC[, pk_field_n ASC]*.

Parameters:

vdpDataSourceID - the identifier of the VDP data source created in Scheduler.

pkFields - the PK fields to generate the ORDER BY expression.

Returns:

Throws:

VDPConnectException - if a connection error occurs against VDP. Typically, the connection was refused remotely or the authentication was wrong.

InstanceNotFoundException - if the data source does not exist.

InternalErrorException - if an error occurs during the process.

getDateFieldsFromView

java.util.Collection<java.lang.String> getDateFieldsFromView(int vdpDataSourceID,
                                                             java.lang.String viewName)
                                                      throws VDPConnectException,
                                                             InstanceNotFoundException,
                                                             InternalErrorException

Returns the date-type fields of a VDP view. If there are none,, the method returns an emtpy collection, never null.

Parameters:

vdpDataSourceID - the identifier of the VDP data source created in Scheduler.

viewName - the name of the view.

Returns:

the fields of the view and which ones are mandatory.

Throws:

VDPConnectException - if a connection error occurs against VDP. Typically, the connection was refused remotely or the authentication was wrong.

InstanceNotFoundException - if the data source does not exist.

InternalErrorException - if an error occurs during the process.

getTextFieldsFromView

java.util.Collection<java.lang.String> getTextFieldsFromView(int vdpDataSourceID,
                                                             java.lang.String viewName)
                                                      throws VDPConnectException,
                                                             InstanceNotFoundException,
                                                             InternalErrorException

Returns the text-type fields of a VDP view. If there are none,, the method returns an emtpy collection, never null.

Parameters:

vdpDataSourceID - the identifier of the VDP data source created in Scheduler.

viewName - the name of the view.

Returns:

the fields of the view and which ones are mandatory.

Throws:

VDPConnectException - if a connection error occurs against VDP. Typically, the connection was refused remotely or the authentication was wrong.

InstanceNotFoundException - if the data source does not exist.

InternalErrorException - if an error occurs during the process.

validateQuery

java.lang.String validateQuery(int vdpDataSourceID,
                               java.lang.String query)
                        throws InstanceNotFoundException,
                               VDPConnectException,
                               InternalErrorException

Checks if a query is valid (without executing it). By 'valid', we mean the query syntax is correct and there are conditions for every mandatory field (if any).

Parameters:

vdpDataSourceID - the identifier of the VDP data source created in Scheduler.

query - the query to test.

Returns:

if the query is invalid, a String with the error message; null, otherwise.

Throws:

InstanceNotFoundException - if the data source does not exist.

VDPConnectException - if a connection error occurs against VDP. Typically, the connection was refused remotely or the authentication was wrong.

InternalErrorException - if an error occurs during the process.

validateQuery

java.lang.String validateQuery(int vdpDataSourceID,
                               java.lang.String query,
                               java.lang.String contextOpts)
                        throws InstanceNotFoundException,
                               VDPConnectException,
                               InternalErrorException

Checks if a query is valid (without executing it). By 'valid', we mean the query syntax is correct and there are conditions for every mandatory field (if any).

Parameters:

vdpDataSourceID - the identifier of the VDP data source created in Scheduler.

query - the query to test.

contextOpts - the query context options. For instance: "'prop1'='val1','propN'='valN'"

Returns:

if the query is invalid, a String with the error message; null, otherwise.

Throws:

InstanceNotFoundException - if the data source does not exist.

VDPConnectException - if a connection error occurs against VDP. Typically, the connection was refused remotely or the authentication was wrong.

InternalErrorException - if an error occurs during the process.

getViewNames

java.util.Collection<java.lang.String> getViewNames(int vdpDataSourceID,
                                                    java.lang.String catalogName,
                                                    java.lang.String viewNameFilter)
                                             throws VDPConnectException,
                                                    InstanceNotFoundException,
                                                    InternalErrorException

Returns a collection with the names of the views (base and derived) of the VDP Server defined by the identifier of the data source.

Parameters:

vdpDataSourceID - the identifier of the VDP data source created in Scheduler.

catalogName - the name of the database. null accepted to search all databases

viewNameFilter - filters view names. null or empty string accepted if no filter needed

Returns:

the collection of view names.

Throws:

VDPConnectException - if a connection error occurs against VDP. Typically, the connection was refused remotely or the authentication was wrong.

InstanceNotFoundException - if the data source does not exist.

InternalErrorException - if an error occurs during the process.

getJDBCTableViewNames

java.util.Collection<java.lang.String> getJDBCTableViewNames(int vdpDataSourceID,
                                                             java.lang.String catalogName,
                                                             java.lang.String viewNameFilter)
                                                      throws VDPConnectException,
                                                             InstanceNotFoundException,
                                                             InternalErrorException

Returns a collection with the names of the base views over a jdbc table of the VDP Server defined by the identifier of the data source.

Parameters:

vdpDataSourceID - the identifier of the VDP data source created in Scheduler.

catalogName - the name of the database. null accepted to search all databases

viewNameFilter - filters view names. null or empty string accepted if no filter needed

Returns:

the collection of view names.

Throws:

VDPConnectException - if a connection error occurs against VDP. Typically, the connection was refused remotely or the authentication was wrong.

InstanceNotFoundException - if the data source does not exist.

InternalErrorException - if an error occurs during the process.

getSummaryViewNames

java.util.Collection<java.lang.String> getSummaryViewNames(int vdpDataSourceID,
                                                           java.lang.String catalogName,
                                                           java.lang.String viewNameFilter)
                                                    throws VDPConnectException,
                                                           InstanceNotFoundException,
                                                           InternalErrorException

Returns a collection with the names of the base views over a summary of the VDP Server defined by the identifier of the data source

Parameters:

vdpDataSourceID - the identifier of the VDP data source created in Scheduler.

catalogName - the name of the database. null accepted to search all databases

viewNameFilter - filters view names. null or empty string accepted if no filter needed

Returns:

the collection of view names.

Throws:

VDPConnectException - if a connection error occurs against VDP. Typically, the connection was refused remotely or the authentication was wrong.

InstanceNotFoundException - if the data source does not exist.

InternalErrorException - if an error occurs during the process.

getViewInfo

VDPViewInfo getViewInfo(int vdpDataSourceID,
                        java.lang.String viewName)
                 throws VDPConnectException,
                        InstanceNotFoundException,
                        InternalErrorException

Returns the creation query, pks and fields of a VDP view and which ones are mandatory.

Parameters:

vdpDataSourceID - the identifier of the VDP data source created in Scheduler.

viewName - the name of the view. Can also contain the catalog using 'catalog.viewname' format.

Returns:

the creation query, pks and fields of the view and which ones are mandatory.

Throws:

VDPConnectException - if a connection error occurs against VDP. Typically, the connection was refused remotely or the authentication was wrong.

InstanceNotFoundException - if the data source does not exist.

InternalErrorException - if an error occurs during the process.

getCatalogNames

java.util.Collection<java.lang.String> getCatalogNames(int vdpDataSourceID)
                                                throws VDPConnectException,
                                                       InstanceNotFoundException,
                                                       InternalErrorException

Returns a collection with the names of the catalogs/databases of the VDP Server defined by the identifier of the data source.

Parameters:

vdpDataSourceID - the identifier of the VDP data source created in Scheduler.

Returns:

the collection of catalog names.

Throws:

VDPConnectException - if a connection error occurs against VDP. Typically, the connection was refused remotely or the authentication was wrong.

InstanceNotFoundException - if the data source does not exist.

InternalErrorException - if an error occurs during the process.

getElements

java.util.Collection<VDPViewElement> getElements(int vdpDataSourceID,
                                                 VDPViewElementFilter elementFilter)
                                          throws VDPConnectException,
                                                 InstanceNotFoundException,
                                                 InternalErrorException

Returns a collection of the elements of the database defined in elementFilter and VDP Server defined by the identifier of the data source. Used to obtain elements tree

Parameters:

vdpDataSourceID - the identifier of the VDP data source created in Scheduler.

elementFilter - data to filter retrieved elements, like name of database or subtype.

Returns:

the collection of elements.

Throws:

VDPConnectException - if a connection error occurs against VDP. Typically, the connection was refused remotely or the authentication was wrong.

InstanceNotFoundException - if the data source does not exist.

InternalErrorException - if an error occurs during the process.

getVDPI18NList

java.util.Collection<<any>> getVDPI18NList(int vdpDataSourceID)
                                    throws VDPConnectException,
                                           InstanceNotFoundException,
                                           InternalErrorException

Returns a collection of i18n labels from the VDP Server using the data source identified by vdpDataSourceID.

Parameters:

vdpDataSourceID - the identifier of the VDP data source created in Scheduler.

Returns:

the collection of i18n.

Throws:

VDPConnectException - if a connection error occurs against VDP. Typically, the connection was refused remotely or the authentication was wrong.

InstanceNotFoundException - if the data source does not exist.

InternalErrorException - if an error occurs during the process.

getVDPLocale

VDPLocale getVDPLocale(int vdpDataSourceID,
                       java.lang.String code)
                throws VDPConnectException,
                       InstanceNotFoundException,
                       InternalErrorException

Returns the VDP Locale defined by code parameter from VDP Server using the data source identified by vdpDataSourceID.

Parameters:

vdpDataSourceID - the identifier of the VDP data source created in Scheduler.

code - code of the locale

Returns:

the collection of i18n.

Throws:

VDPConnectException - if a connection error occurs against VDP. Typically, the connection was refused remotely or the authentication was wrong.

InstanceNotFoundException - if the data source does not exist.

InternalErrorException - if an error occurs during the process.