casacore::TableExprGroupFuncString Class Reference

Abstract base class for aggregate functions giving a string scalar. More...

#include <ExprGroup.h>

Inheritance diagram for casacore::TableExprGroupFuncString:

Public Member Functions
	TableExprGroupFuncString (TableExprNodeRep *node, const String &initValue=String())
virtual	~TableExprGroupFuncString ()
virtual String	getString (const vector< TableExprId > &)
Protected Attributes
String	itsValue

Detailed Description

Abstract base class for aggregate functions giving a string scalar.

Intended use:

Internal

Review Status

Test programs:: tExprGroup

Synopsis

This class is derived from TableExprGroupFuncBase and act as the abstract base class for aggregate functions resulting in a string scalar.
Derived classes can use itsValue to contain the aggregated value. It that case they do not need to implement the get function.

Definition at line 606 of file ExprGroup.h.

Constructor & Destructor Documentation

casacore::TableExprGroupFuncString::TableExprGroupFuncString	(	TableExprNodeRep *	node,
		const String &	initValue = `String()`
	)			`[inline, explicit]`

Definition at line 609 of file ExprGroup.h.

virtual casacore::TableExprGroupFuncString::~TableExprGroupFuncString ( ) [virtual]

Member Function Documentation

virtual String casacore::TableExprGroupFuncString::getString ( const vector< TableExprId > & ) [virtual]

Reimplemented from casacore::TableExprGroupFuncBase.

Member Data Documentation

String casacore::TableExprGroupFuncString::itsValue [protected]

Definition at line 617 of file ExprGroup.h.

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

casacore/tables/TaQL/ExprGroup.h