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OSGeo::FDO::Expression::BLOBValue Class Reference

Inherits OSGeo::FDO::Expression::LOBValue.

Inheritance diagram for OSGeo::FDO::Expression::BLOBValue:

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List of all members.

Detailed Description

The BLOBValue class derives from LOBValue and represents a literal BLOB value.


Public Member Functions

 BLOBValue (System::IntPtr unmanaged, System::Boolean autoDelete)
 Constructs a BLOBValue object based on an unmanaged instance of the object.
 BLOBValue (System::Byte value[])
 Constructs an instance of an BLOBValue using the specified arguments.
 BLOBValue ()
 Constructs a default instance of an BLOBValue with a value of null.
__property System::Byte get_Data ()[]
 Gets the data associated to the blob as an Byte Array.
__property OSGeo::FDO::Schema::DataType get_DataType ()
 Gets the FDO DataType of the BLOB.
System::Void Process (OSGeo::FDO::Expression::IExpressionProcessor *processor)
 Overrides FdoIExpression::Process to pass the DataValue to the appropriate expression processor operation.
__property System::Void set_Data (System::Byte value[])
 Sets the data associated to the BLOB using an FDO ByteArray.
System::Void SetNull ()
 Sets the value of the BLOB to NULL.
System::String * ToString ()
 Gets the value of the BLOB as a string.

Constructor & Destructor Documentation

OSGeo::FDO::Expression::BLOBValue::BLOBValue  ) 
 

Constructs a default instance of an BLOBValue with a value of null.

Returns:
Returns the created BLOBValue

OSGeo::FDO::Expression::BLOBValue::BLOBValue System::Byte  value[]  ) 
 

Constructs an instance of an BLOBValue using the specified arguments.

Parameters:
value Input a byte array
Returns:
Returns the created BLOBValue

OSGeo::FDO::Expression::BLOBValue::BLOBValue System::IntPtr  unmanaged,
System::Boolean  autoDelete
 

Constructs a BLOBValue object based on an unmanaged instance of the object.

Parameters:
unmanaged Input A Pointer to the unmanaged object.
autoDelete Input Indicates if the constructed object should be automatically deleted once it no longer referenced.

Member Function Documentation

__property System::Byte OSGeo::FDO::Expression::BLOBValue::get_Data  ) 
 

Gets the data associated to the blob as an Byte Array.

Returns:
Returns the Byte Array containing the BLOB data

Reimplemented from OSGeo::FDO::Expression::LOBValue.

__property OSGeo ::FDO ::Schema ::DataType OSGeo::FDO::Expression::BLOBValue::get_DataType  ) 
 

Gets the FDO DataType of the BLOB.

Returns:
Returns the FDO DataType

Reimplemented from OSGeo::FDO::Expression::LOBValue.

System::Void OSGeo::FDO::Expression::BLOBValue::Process OSGeo::FDO::Expression::IExpressionProcessor processor  ) 
 

Overrides FdoIExpression::Process to pass the DataValue to the appropriate expression processor operation.

Parameters:
processor Input the pointer to the FDO expression processor

Reimplemented from OSGeo::FDO::Expression::LOBValue.

__property System::Void OSGeo::FDO::Expression::BLOBValue::set_Data System::Byte  value[]  ) 
 

Sets the data associated to the BLOB using an FDO ByteArray.

Parameters:
value Input the FDO Byte Array

Reimplemented from OSGeo::FDO::Expression::LOBValue.

System::Void OSGeo::FDO::Expression::BLOBValue::SetNull  ) 
 

Sets the value of the BLOB to NULL.

Reimplemented from OSGeo::FDO::Expression::LOBValue.

System::String* OSGeo::FDO::Expression::BLOBValue::ToString  ) 
 

Gets the value of the BLOB as a string.

Returns:
Returns the well defined text representation of the BLOB

Reimplemented from OSGeo::FDO::Expression::LOBValue.


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