PermutationGenerator Class Reference

Author:

John V.

More...

#include <ExecStreamGenerator.h>

Inheritance diagram for PermutationGenerator:

List of all members.

Public Member Functions
	PermutationGenerator (uint nRows)
virtual int64_t	generateValue (uint iRow, uint iCol)
	Generates one data value.
Private Attributes
std::vector< int64_t >	values

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Detailed Description

Author:

John V.

Sichi

Definition at line 75 of file ExecStreamGenerator.h.

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Constructor & Destructor Documentation

PermutationGenerator::PermutationGenerator

(

uint

nRows

)

[inline, explicit]

Definition at line 80 of file ExecStreamGenerator.h.

References values.

    {
        values.resize(nRows);
        std::iota(values.begin(), values.end(), 0);
        std::random_shuffle(values.begin(), values.end());
    }

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Member Function Documentation

virtual int64_t PermutationGenerator::generateValue	(	uint	iRow,
		uint	iCol
	)			[inline, virtual]

Generates one data value.

Parameters:

	iRow	0-based row number to generate
	iCol	0-based col number to generate

Implements MockProducerExecStreamGenerator.

Definition at line 87 of file ExecStreamGenerator.h.

References values.

    {
        // iCol ignored
        return values[iRow];
    }

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Member Data Documentation

std::vector<int64_t> PermutationGenerator::values [private]

Definition at line 77 of file ExecStreamGenerator.h.

Referenced by generateValue(), and PermutationGenerator().

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

• /home/pub/open/dev/fennel/test/ExecStreamGenerator.h

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