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JanosVM v0.6.0 Java API Documentation: Interface JSIHandler

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edu.utah.janosvm.kit.comm.jsi
Interface JSIHandler

All Known Implementing Classes:: JSIHandlerRoot

public interface JSIHandler

Interface for objects that can handle JSI messages.

Method Summary

void getSuites(JSIMessage jm)
          Add any suites for this handler to the given message.

void handleMessage(JSIHandlerContext jhc, JSIMessage jm)
          Process the given message.

JSIHandler resolveSpecifier(JSIMessage jm, JSIPair jp)
          Resolve the next specifier on the stack.

Method Detail

resolveSpecifier

public JSIHandler resolveSpecifier(JSIMessage jm,
                                   JSIPair jp)
                            throws java.lang.Throwable

Resolve the next specifier on the stack.

Parameters:: jm - The JSI message to route.; jp - The specifier pair currently being resolved.
Returns:: The Object that can handle the given message or null if there is none.

handleMessage

public void handleMessage(JSIHandlerContext jhc,
                          JSIMessage jm)
                   throws java.lang.Throwable

Process the given message.

Parameters:: jhc - The context in which to send/process interim messages.; jm - The received message. When processing is done the message should be cleared and any reply data placed inside it.
Throws:: The - handler can throw any of a number of exceptions/erros.

getSuites

public void getSuites(JSIMessage jm)

Add any suites for this handler to the given message.

Parameters:: jm - The message containing all supported suites.