Entity:
ExchangeRateManager 53 56
null  1 singleton 
instance_ExchangeRateManager ExchangeRateManager 3 false false true

Entity:
RatePeriod 88 196
null  * 
startDate double 3 false false false endDate double 3 false false false

Association:
ExchangeRateManager RatePeriod 1 112 93 212 196 0 definedRates null 


Entity:
ExchangeRate 479 219
null  * 
rate double 3 false false false

Association:
RatePeriod ExchangeRate 0 268 204 480 248 1 exchangeRate null 


Entity:
Currency 368 344
null  * abstract 
name String 3 false false false code String 3 false false false symbol String 3 false false false

Association:
ExchangeRate Currency 0 495 257 412 344 1 source null 


Association:
ExchangeRate Currency 0 607 256 524 341 1 target null 


Entity:
USDCurrency 306 458
Currency  * 


Entity:
GBPCurrency 487 458
Currency  * 


Generalisation:
Currency USDCurrency 395 460 394 412



Generalisation:
Currency GBPCurrency 527 459 525 412



Entity:
Money 680 354
null  * 
value double 3 false false false

Association:
Money Currency 0 681 384 539 383 1 currency null