Xpace::SourceBase< RET > Class Template Reference

A Source is an interface to an object that provides access to each field or column of a data record or row. More...

#include <data.h>

Inheritance diagram for Xpace::SourceBase< RET >:

Public Member Functions
virtual	~SourceBase ()
	destructor More...
virtual RET	moveTo (uint64 targ)=0
	Move to another document/row/record. More...

Detailed Description

template<typename RET = bool>
class Xpace::SourceBase< RET >

A Source is an interface to an object that provides access to each field or column of a data record or row.

A database or table that supports this access pattern will have a method or methods that returns a Source object or reference. Note that this class is stateful in the sense that there is a current record or row. Also note that the lifetime of a Source is bounded by the lifetime of its creating object, or possibly earlier if an action on the creator invalidates it. The non-LOC part of a Source

Parameters

RET	type of the return value of moveTo()

Definition at line 156 of file data.h.

Constructor & Destructor Documentation

template<typename RET = bool>

virtual Xpace::SourceBase< RET >::~SourceBase ( )

inlinevirtual

destructor

Definition at line 161 of file data.h.

Member Function Documentation

template<typename RET = bool>

virtual RET Xpace::SourceBase< RET >::moveTo ( uint64  targ )

pure virtual

Move to another document/row/record.

Parameters

targ	the new document/row/record number

Returns

true iff move was successful

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

• data/data.h