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OSGeo::FDO::Connections::Capabilities::ICommandCapabilitiesImp Class Reference

Inherits OSGeo::FDO::Runtime::Disposable, and OSGeo::FDO::Connections::Capabilities::OSGeo::FDO::Connections::Capabilities::ICommandCapabilities.

Inheritance diagram for OSGeo::FDO::Connections::Capabilities::ICommandCapabilitiesImp:

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List of all members.

Detailed Description

The ICommandCapabilities interface declares the feature provider's level of support for Commands.


Public Member Functions

__property System::Int32 get_Commands ()[]
 Gets an array of the CommandType values supported by the feature provider.
System::Boolean SupportsParameters ()
 Determines if commands support parameterization.
System::Boolean SupportsSelectDistinct ()
 Determines if Distinct can be used with SelectAggregates. This can be true only if the SelectAggregates command is supported by the provider.
System::Boolean SupportsSelectExpressions ()
 Determines if the feature provider can use expressions for properties with Select and SelectAggregate commands.
System::Boolean SupportsSelectFunctions ()
 Determines if simple functions can be used in Select and SelectAggregates command. Aggregate functions can only be used in the SelectAggregates command. Capability for using SelectAggregates is found in CommandCapabilities.
System::Boolean SupportsSelectGrouping ()
 Determines if a grouping criteria is available in the SelectAggregates command. This can be true only if the SelectAggregates command is supported by the provider.
System::Boolean SupportsSelectOrdering ()
 Determines if ordering is available in the Select and SelectAggregates command.
System::Boolean SupportsTimeout ()
 Determines if the feature provider supports command execution timeout.

Protected Member Functions

System::Void ReleaseUnmanagedObject ()
 DOXYGEN-IGNORE

Member Function Documentation

__property System::Int32 OSGeo::FDO::Connections::Capabilities::ICommandCapabilitiesImp::get_Commands  ) 
 

Gets an array of the CommandType values supported by the feature provider.

Returns:
Returns the list of commands

System::Void OSGeo::FDO::Connections::Capabilities::ICommandCapabilitiesImp::ReleaseUnmanagedObject  )  [protected, virtual]
 

DOXYGEN-IGNORE

Reimplemented from OSGeo::FDO::Runtime::Disposable.

System::Boolean OSGeo::FDO::Connections::Capabilities::ICommandCapabilitiesImp::SupportsParameters  ) 
 

Determines if commands support parameterization.

Returns:
Returns true if commands support parameterization

System::Boolean OSGeo::FDO::Connections::Capabilities::ICommandCapabilitiesImp::SupportsSelectDistinct  ) 
 

Determines if Distinct can be used with SelectAggregates. This can be true only if the SelectAggregates command is supported by the provider.

Returns:
Returns true if the feature provider supports select distinct.

System::Boolean OSGeo::FDO::Connections::Capabilities::ICommandCapabilitiesImp::SupportsSelectExpressions  ) 
 

Determines if the feature provider can use expressions for properties with Select and SelectAggregate commands.

Returns:
Returns true if the feature provider supports select expressions.

System::Boolean OSGeo::FDO::Connections::Capabilities::ICommandCapabilitiesImp::SupportsSelectFunctions  ) 
 

Determines if simple functions can be used in Select and SelectAggregates command. Aggregate functions can only be used in the SelectAggregates command. Capability for using SelectAggregates is found in CommandCapabilities.

Returns:
Returns true if the feature provider supports select simple functions.

System::Boolean OSGeo::FDO::Connections::Capabilities::ICommandCapabilitiesImp::SupportsSelectGrouping  ) 
 

Determines if a grouping criteria is available in the SelectAggregates command. This can be true only if the SelectAggregates command is supported by the provider.

Returns:
Returns true if the feature provider supports select grouping.
Note: Aggregate functions can be supported without also supporting grouping criteria (but not vice versa).

System::Boolean OSGeo::FDO::Connections::Capabilities::ICommandCapabilitiesImp::SupportsSelectOrdering  ) 
 

Determines if ordering is available in the Select and SelectAggregates command.

Returns:
Returns true if the feature provider supports select ordering.

System::Boolean OSGeo::FDO::Connections::Capabilities::ICommandCapabilitiesImp::SupportsTimeout  ) 
 

Determines if the feature provider supports command execution timeout.

Returns:
Returns true if the feature provider supports timeout.

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