| SystemStructure Class |
|
Class provides access to the structures that make up systems: databases, tables, fields and business
logic procedures. The class handles retrieving these structures from the AppServer or Local Cache.
Inheritance Hierarchy
Namespace: DataPA.Utils.QueryEngine
Assembly: DataPAQueryEngine (in DataPAQueryEngine.dll) Version: 1.0.0.0 (1.0.0.0)
Syntaxpublic class SystemStructure
The SystemStructure type exposes the following members.
Constructors| Name | Description | |
|---|---|---|
 | SystemStructure |
Constructor, set system handles.
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Methods| Name | Description | |
|---|---|---|
| LoadStructure |
Decide whether to load from cache or hit the AppServer, then do it.
|
| ResetFailedConnections |
Properties| Name | Description | |
|---|---|---|
 | ConnectError |
If ConnectSuccess = False, the Error Message returned by the connection attempt.
|
| ConnectionName |
The connection to be used for retrieving the structure.
|
| ConnectSuccess |
TRUE indicates the last connection attempt to the AppServer was successful.
|
| DataBase |
DataTable detailing the databases of the current system.
|
| DbField |
DataTable detailing the database fields of the current system.
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| DbIdxField |
DataTable detailing the database index fields of the current system.
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| DbIndex |
DataTable detailing the database indices of the current system.
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| DbTable |
DataTable detailing the database tables of the current system.
|
| ForceReload |
If TRUE the next GET of structure will reload from the AppServer,
rather than the local cache.
|
| FullStructure |
DataSet containing database schema and available business logic functions of the current System.
|
| Functions |
DataTable detailing the Business Logic Functions available in the current System.
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| LastLoadError |
If last load failed, the Error Message.
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| LastLoadFromCache |
Indicates whether the previous load was from cache or system connection
|
| LastRefresh |
The modified date of the Schema Cache file
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| PAConnection |
The RunDataPA Connection Object used to retreive the system structure
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| Relation |
DataTable detailing the Database Relations in the current System.
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| StructureAvailable |
Indicates whether the structure was successfully loaded
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| SystemName |
The system's name whose structure this class will return.
|
| SystemType |
The type of system whose structure this class will return.
|
Events| Name | Description | |
|---|---|---|
 | StructureFetchCompleted | |
| StructureFetchStarted |
RemarksSee Also