be.ac.ua.broker.input.pricing
Interface PriceWatch

All Known Implementing Classes:

EC2OnDemandPriceWatch, EC2ReservedPriceWatch, EC2SpotPriceWatch

public interface PriceWatch

This interface represents an access point to the prices of EC2 for a particular pricing model

Author:

Vermeersch Kurt

Method Summary

Price	getPrice(InstanceSpecification inst) Getter for the price of the given instance using the pricing model associated with the PriceWatch implementation
Price	getPrice(InstanceSpecification inst, java.util.Date timestamp) Getter for the price of the given instance at a certain moment in time using the pricing model associated with the PriceWatch implementation
java.lang.String	getPricingModel()
void	update() Update the prices that are returned by the PriceWatch implementation, reread prices from CSV files for example

Method Detail

update

void update()

Update the prices that are returned by the PriceWatch implementation, reread prices from CSV files for example

getPricingModel

java.lang.String getPricingModel()

Returns:

name of the pricing model this access point was created for

getPrice

Price getPrice(InstanceSpecification inst)
               throws InstanceNotAvailableException

Getter for the price of the given instance using the pricing model associated with the PriceWatch implementation

Parameters:

inst - the instance specification to get the price for

Returns:

the price for the given instance

Throws:

InstanceNotAvailableException

getPrice

Price getPrice(InstanceSpecification inst,
               java.util.Date timestamp)
               throws InstanceNotAvailableException

Getter for the price of the given instance at a certain moment in time using the pricing model associated with the PriceWatch implementation

Parameters:

inst - the instance specification to get the price for

timestamp - time to get the price for

Returns:

the price for the given instance at the given moment in time

Throws:

InstanceNotAvailableException