biz.hammurapi.dispatch
Interface InvocationHandler

public interface InvocationHandler

Handler to invoke methods with one argument.

Author:

Pavel Vlasov

Method Summary

java.lang.Class[]	getFactTypes() This method is used for backward reasoning.
java.lang.Class	getParameterType() This method is used to build invocation network.
void	invoke(java.lang.Object arg, ResultConsumer resultConsumer) Invokes target method.

Method Detail

invoke

void invoke(java.lang.Object arg,
            ResultConsumer resultConsumer)
            throws java.lang.Throwable

Invokes target method. Passes returned value(s) to result consumer. The target "method" might be invoked multiple times, e.g. in composite invocation handler scenario.

Parameters:

parameter -

resultConsumer -

Throws:

java.lang.Throwable

getParameterType

java.lang.Class getParameterType()

This method is used to build invocation network.

Returns:

Invocation parameter type. Null if parameter type is unknown.

getFactTypes

java.lang.Class[] getFactTypes()

This method is used for backward reasoning.

Returns:

Types of facts produced (returned or posted) by this handler.