ExchangeRate Class Reference

exchange rate between two currencies More...

#include <exchangerate.hpp>

Collaboration diagram for ExchangeRate:

Public Types
enum	Type { Direct , Derived }

Public Member Functions
Constructors
	ExchangeRate ()
	ExchangeRate (Currency source, Currency target, Decimal rate)
Inspectors
const Currency &	source () const
	the source currency. More...
const Currency &	target () const
	the target currency. More...
Type	type () const
	the type More...
Decimal	rate () const
	the exchange rate (when available) More...

Utility methods
Currency	source_
Currency	target_
Decimal	rate_
Type	type_
std::pair< ext::shared_ptr< ExchangeRate >, ext::shared_ptr< ExchangeRate > >	rateChain_
Money	exchange (const Money &amount) const
	apply the exchange rate to a cash amount More...
static ExchangeRate	chain (const ExchangeRate &r1, const ExchangeRate &r2)
	chain two exchange rates More...

Detailed Description

exchange rate between two currencies

Tests:

application of direct and derived exchange rate is tested against calculations.

Definition at line 38 of file exchangerate.hpp.

Member Enumeration Documentation

Type

enum Type

Enumerator
Direct	given directly by the user
Derived	derived from exchange rates between other currencies

Definition at line 40 of file exchangerate.hpp.

Constructor & Destructor Documentation

ExchangeRate() [1/2]

ExchangeRate

(

)

Definition at line 84 of file exchangerate.hpp.

ExchangeRate() [2/2]

ExchangeRate	(	Currency	source,
		Currency	target,
		Decimal	rate
	)

the rate \( r \) is given with the convention that a unit of the source is worth \( r \) units of the target.

Definition at line 86 of file exchangerate.hpp.

Member Function Documentation

source()

const Currency & source

(

)

const

the source currency.

Definition at line 89 of file exchangerate.hpp.

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target()

const Currency & target

(

)

const

the target currency.

Definition at line 93 of file exchangerate.hpp.

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type()

ExchangeRate::Type type

(

)

const

the type

Definition at line 97 of file exchangerate.hpp.

rate()

Decimal rate

(

)

const

the exchange rate (when available)

Definition at line 101 of file exchangerate.hpp.

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exchange()

Money exchange

(

const Money &

amount

)

const

apply the exchange rate to a cash amount

Definition at line 25 of file exchangerate.cpp.

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chain()

ExchangeRate chain ( const ExchangeRate &  r1, const ExchangeRate &  r2  )

static

chain two exchange rates

Definition at line 50 of file exchangerate.cpp.

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Member Data Documentation

source_

Currency source_

private

Definition at line 74 of file exchangerate.hpp.

target_

Currency target_

private

Definition at line 74 of file exchangerate.hpp.

rate_

Decimal rate_

private

Definition at line 75 of file exchangerate.hpp.

type_

Type type_

private

Definition at line 76 of file exchangerate.hpp.

rateChain_

std::pair<ext::shared_ptr<ExchangeRate>, ext::shared_ptr<ExchangeRate> > rateChain_

private

Definition at line 78 of file exchangerate.hpp.