Namespace: Consultingwerk.SmartFramework.System
Class 
MessageDataAccess Copy to Clipboard
Parent classes:
Progress.Lang.Object
Consultingwerk.OERA.DataAccess
Consultingwerk.SmartFramework.SmartDataAccess
Consultingwerk.SmartFramework.System.MessageDataAccess

Inherits: Consultingwerk.SmartFramework.SmartDataAccess
Implements: Consultingwerk.OERA.IDataAccess, Consultingwerk.OERA.IDataAccessCanFind, Consultingwerk.OERA.IDataAccessCountRecords, IDSQueryStringSource, Consultingwerk.OERA.IProvidesSmartRecordInformation


Consultingwerk.SmartFramework.System.MessageBusinessEntity
Consultingwerk.SmartFramework.System.MessageBusinessEntity

Navigate to: Methods | Constructors | Events | Properties | ProDatasets | Temp-Tables



Top Method Summary
Options Name Purpose
AttachDataSources () Attaches the DATA-SOURCE objects to the ProDataset Buffers
BindDataset (dataset) Do nothing, just receive the parameter and bind to the received Dataset reference
DefineReadEvents () TO-DO: Subscribe to ProDataset Event Handlers using SET-CALLBACK as needed
DetachDataSources () Detaches the DATA-SOURCE objects to the ProDataset Buffers
FetchDataByStaticQuery (IFetchDataByStaticQueryRequest) Fetches data for single table, using a static query
FetchSmartMessageByMessageGroupMessageNumberLanguageGuid (character, integer, character, character) FetchData method for static query
FetchSmartMessageByMessageGuid (character, character) FetchData method for static query
Consultingwerk.LongcharHolder GetMessageGroups () Returns the list of currently used MessageGroups
INTEGER GetNextMessageNumber (character) Returns the next message number in the message group
SaveChanges () Save changes to physical storage
CHARACTER SourceColumn (character, character) Returns the database field name matching a temp-table field name contained in a consumers query string (query string vs. temp-table definition)
CHARACTER SourceDefaultQuery (character) Returns the base query string used to retrieve data for the temp tables. This query string will be appended by the query provided by the consumer (FetchDataRequest object).

Top Constructor Summary
Options Name Purpose
MessageDataAccess (handle) Constructor for the MessageDataAccess class


Method Detail
Top

AttachDataSources ()
Purpose: Attaches the DATA-SOURCE objects to the ProDataset Buffers
Notes: Overrides ABSTRACT method in Consultingwerk.OERA.DataAccess,
Invoked in FetchData and SaveChanges

Top

BindDataset (dataset)
Purpose: Do nothing, just receive the parameter and bind to the received
Dataset reference
Notes: Invoked from the class constructor

Parameters:
dsMessage DATASET dsMessage
DATASET to bind to
Top

DefineReadEvents ()
Purpose: TO-DO: Subscribe to ProDataset Event Handlers using SET-CALLBACK
as needed
Notes: Overrides ABSTRACT method in Consultingwerk.OERA.DataAccess,
Invoked in FetchData

Top

DetachDataSources ()
Purpose: Detaches the DATA-SOURCE objects to the ProDataset Buffers
Notes: Overrides ABSTRACT method in Consultingwerk.OERA.DataAccess,
Invoked in FetchData and SaveChanges

Top

FetchDataByStaticQuery (IFetchDataByStaticQueryRequest)
Purpose: Fetches data for single table, using a static query
Notes:

Parameters:
poParameter Consultingwerk.OERA.IFetchDataByStaticQueryRequest
The query parameter object
Top

FetchSmartMessageByMessageGroupMessageNumberLanguageGuid (character, integer, character, character)
Purpose: FetchData method for static query
Notes:

Parameters:
pcMessageGroup CHARACTER
The MessageGroup value
piMessageNumber INTEGER
The MessageNumber value
pcLanguageGuid CHARACTER
The LanguageGuid value
pcChildTables CHARACTER
a list of the child tables to fill
Top

FetchSmartMessageByMessageGuid (character, character)
Purpose: FetchData method for static query
Notes:

Parameters:
pcMessageGuid CHARACTER
The MessageGuid value
pcChildTables CHARACTER
a list of the child tables to fill
Top

Consultingwerk.LongcharHolder GetMessageGroups ()
Purpose: Returns the list of currently used MessageGroups
Notes:

Returns Consultingwerk.LongcharHolder
The LongcharHolder with the currently used MessageGroups
Top

INTEGER GetNextMessageNumber (character)
Purpose: Returns the next message number in the message group
Notes:

Parameters:
pcMessageGroup CHARACTER
The message group
Returns INTEGER
The next message number
Top

SaveChanges ()
Purpose: Save changes to physical storage
Notes: This implementation of data access save traverses all records in order
to:
- Allow the DA to control transactions, which cannot be directly
controlled in distributed BL. Transaction control is a concern of
the BL, but should not be controlled with TRANSACTION keyword.
- Offer a course grained save interface from distributed BL
- The default operation here is just a transaction per record
- This simple sample does not use child relations to traverse
the buffers as the OERI BE example. (A property that controls
update order would give the same effect).
- Traversing of child data from a parent would make sense if done for
one parent record at a time.

Top

CHARACTER SourceColumn (character, character)
Purpose: Returns the database field name matching a temp-table field name
contained in a consumers query string (query string vs. temp-table
definition)
Notes: Call-back used by Consultingwerk.OERA.Query.DSQueryString (part of
DataAccess:FetchData FetchData () query preparation

Parameters:
pcTable CHARACTER
The temp table name to return the source (database table) field name for
pcColumn CHARACTER
The temp table column name to return the source (database table) field name for
Returns CHARACTER
The database field name mapped to the passed in temp-table field
Top

CHARACTER SourceDefaultQuery (character)
Purpose: Returns the base query string used to retrieve data for the temp
tables. This query string will be appended by the query provided by
the consumer (FetchDataRequest object).
Notes: Call-back used by Consultingwerk.OERA.Query.DSQueryString (part of
DataAccess:FetchData FetchData () query preparation

Parameters:
pcTable CHARACTER
The temp table name to return the source default (database) query string for
Returns CHARACTER
The base query string used to retrieve data for the given temp-table


Constructor Detail
Top

MessageDataAccess (handle)
Purpose: Constructor for the MessageDataAccess class
Notes: Used by the BusinessEntity, will receive the handle of the dataset
instance form the BusinessEntity as a parameter. Permanently BIND's
to that dataset using the PRIVATE BindDataset Method.

Parameters:
phDataset HANDLE
The handle of the Business Entity dataset


ProDataset Detail

ProDataset dsMessage

Member tables: eSmartMessage


Temp-Table Detail

Temp-Table eSmartMessage

Defined in:


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