lbg.peer.strategy.accounting
Class OGPerfectAccountant

java.lang.Object
  lbg.peer.strategy.accounting.OGPerfectAccountant

All Implemented Interfaces:

BarteringAccountantPolicy

public class OGPerfectAccountant
extends java.lang.Object
implements BarteringAccountantPolicy

Note: this perfect accounting implementation (in the sense of OurGrid) is correct only in stable environments, i.e. supplied power is constant over time (when supplied, of course).

Implementation note: this implementation relies on Task output information.

Author:

Cyril Briquet

Constructor Summary

OGPerfectAccountant(Peer managed_peer)
Constructs a new OGPerfectAccountant (SIM_MODE only).

Method Summary

double	evaluateConsumption(Task t, long xstart_time) BarteringAccountant implementation.
double	evaluateSupplying(Task t, long xstart_time) BarteringAccountant implementation.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

OGPerfectAccountant

public OGPerfectAccountant(Peer managed_peer)
                    throws GridException

Constructs a new OGPerfectAccountant (SIM_MODE only).

Throws:

GridException - if a parameter is illegal

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

evaluateSupplying

public double evaluateSupplying(Task t,
                                long xstart_time)
                         throws GridException

BarteringAccountant implementation.

Specified by:

evaluateSupplying in interface BarteringAccountantPolicy

Throws:

GridException

evaluateConsumption

public double evaluateConsumption(Task t,
                                  long xstart_time)
                           throws GridException

BarteringAccountant implementation.

Specified by:

evaluateConsumption in interface BarteringAccountantPolicy

Throws:

GridException