drcl.intserv
Class RspecTranslator

java.lang.Object
  drcl.intserv.RspecTranslator

Direct Known Subclasses:

Translator_DCTS, Translator_GR, Translator_PTSP_EA

public abstract class RspecTranslator

extends java.lang.Object

RspecTranslator resides in an end system (e.g., the "QoS Broker") to translate the QoS requirement and the path Adspec originating from the sender to the Rspec, which is then used by the resource management protocol to set up the resource along the path.

A subclass should be created for a certain rspec type.

Constructor Summary

RspecTranslator()

Method Summary

abstract SpecR

translate(SpecAd adspec, QoSRequirement qos) Given the Adspec, the method returns the "minimum" Rspec that satisfies the specified QoS requirement.

Methods inherited from class java.lang.Object

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

Constructor Detail

RspecTranslator

public RspecTranslator()

Method Detail

translate

public abstract SpecR translate(SpecAd adspec,
                                QoSRequirement qos)

Given the Adspec, the method returns the "minimum" Rspec that satisfies the specified QoS requirement. It returns null if such an Rspec does not exist.