SSF.OS
Class Resource

java.lang.Object
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  +--com.renesys.raceway.SSF.Entity
        |
        +--SSF.OS.Resource

public class Resource

extends com.renesys.raceway.SSF.Entity

This class provides the first-come, first serve queue for a shared resource. The processing delays accumulate, preserving the temporal ordering of request arrivals.

See Also:

ProtocolSession

Constructor Summary

Resource()

Method Summary

long	currentWait()
boolean	reserve(long ticks, boolean blocking) Reserve the resource for the given number of ticks.
boolean	reserve(long ticks, Continuation c, boolean blocking) Reserve the resource for the given number of ticks.

Methods inherited from class com.renesys.raceway.SSF.Entity

alignment, alignTo, coalignedEntities, inChannels, init, joinAll, makeIndependent, now, outChannels, pauseAll, playRole, processes, resetSimulation, resumeAll, startAll, startAll, startClient, startClient, startServer, Vx, Yx

Methods inherited from class java.lang.Object

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

Constructor Detail

Resource

public Resource()

Method Detail

currentWait

public long currentWait()

reserve

public boolean reserve(long ticks,
                       boolean blocking)

Reserve the resource for the given number of ticks. No action is taken when the resource becomes free.

reserve

public boolean reserve(long ticks,
                       Continuation c,
                       boolean blocking)

Reserve the resource for the given number of ticks. The success() callback of the Continuation will be executed when the reserved period of service has completed. Returns true if the resource reservation has been scheduled, false if the resource reservation has been rejected.

A reservation is rejected when the blocking flag is false and the resource is busy.