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casacore: casa::TableExprUDFNodeArray Class Reference
Public Member Functions | Private Attributes

casa::TableExprUDFNodeArray Class Reference
[Tables_module_internal_classes]

Class representing a function in table select expression. More...

#include <ExprUDFNodeArray.h>

Inheritance diagram for casa::TableExprUDFNodeArray:
casa::TableExprNodeArray casa::TableExprNodeBinary casa::TableExprNodeRep

List of all members.

Public Member Functions

 TableExprUDFNodeArray (UDFBase *udf, const TableExprNodeSet &source)
 Constructor.
virtual ~TableExprUDFNodeArray ()
 Destructor.
virtual Array< Bool > getArrayBool (const TableExprId &id)
 Functions to get the desired result of a function.
virtual Array< Int64 > getArrayInt (const TableExprId &id)
virtual Array< Double > getArrayDouble (const TableExprId &id)
virtual Array< DComplex > getArrayDComplex (const TableExprId &id)
 The default implementation of getArrayDComplex does getArrayDouble and converts the result.
virtual Array< String > getArrayString (const TableExprId &id)
virtual Array< MVTime > getArrayDate (const TableExprId &id)

Private Attributes

UDFBase * itsUDF

Detailed Description

Class representing a function in table select expression.

Intended use:

Internal

Review Status

Reviewed By:
UNKNOWN
Date Reviewed:
before2004/08/25

Prerequisite

Synopsis

This class represents a function in a table select tree. The rownumber function is represented by class TableExprNodeRownr . The rowid function is represented by class TableExprNodeRowid . The rand function is represented by class TableExprNodeRandom .

When one wants to add a function to the table selection grammar, the following has to be done:

Definition at line 74 of file ExprUDFNodeArray.h.

Constructor & Destructor Documentation

casa::TableExprUDFNodeArray::TableExprUDFNodeArray ( UDFBase *  udf,
const TableExprNodeSet &  source 
)

Constructor.

virtual casa::TableExprUDFNodeArray::~TableExprUDFNodeArray (  )  [virtual]

Destructor.

Member Function Documentation

virtual Array<Bool> casa::TableExprUDFNodeArray::getArrayBool ( const TableExprId &  id  )  [virtual]

Functions to get the desired result of a function.

Reimplemented from casa::TableExprNodeRep.

virtual Array<MVTime> casa::TableExprUDFNodeArray::getArrayDate ( const TableExprId &  id  )  [virtual]

Reimplemented from casa::TableExprNodeRep.

virtual Array<DComplex> casa::TableExprUDFNodeArray::getArrayDComplex ( const TableExprId &  id  )  [virtual]

The default implementation of getArrayDComplex does getArrayDouble and converts the result.

Reimplemented from casa::TableExprNodeArray.

virtual Array<Double> casa::TableExprUDFNodeArray::getArrayDouble ( const TableExprId &  id  )  [virtual]

Reimplemented from casa::TableExprNodeRep.

virtual Array<Int64> casa::TableExprUDFNodeArray::getArrayInt ( const TableExprId &  id  )  [virtual]

Reimplemented from casa::TableExprNodeRep.

virtual Array<String> casa::TableExprUDFNodeArray::getArrayString ( const TableExprId &  id  )  [virtual]

Reimplemented from casa::TableExprNodeRep.

Member Data Documentation

UDFBase* casa::TableExprUDFNodeArray::itsUDF [private]

Definition at line 95 of file ExprUDFNodeArray.h.

The documentation for this class was generated from the following file:
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