org.springframework.cloud.stream.binding

Interface StreamListenerParameterAdapter<A,B>

Type Parameters:

A - adapter type

B - binding result type

public interface StreamListenerParameterAdapter<A,B>

Strategy for adapting a method argument type annotated with Input or Output from a binding type (e.g. MessageChannel) supported by an existing binder. This is a framework extension and is not primarily intended for use by end-users.

Author:

Marius Bogoevici

Method Summary

Modifier and Type	Method and Description
A	adapt(B bindingTarget, org.springframework.core.MethodParameter parameter) Adapts the binding target to the argument type.
boolean	supports(Class<?> bindingTargetType, org.springframework.core.MethodParameter methodParameter) Return true if the conversion from the binding target type to the argument type is supported.

Method Detail

supports

boolean supports(Class<?> bindingTargetType,
                 org.springframework.core.MethodParameter methodParameter)

Return true if the conversion from the binding target type to the argument type is supported.

Parameters:

bindingTargetType - the binding target type

methodParameter - the method parameter for which the conversion is performed

Returns:

true if the conversion is supported

adapt

A adapt(B bindingTarget,
        org.springframework.core.MethodParameter parameter)

Adapts the binding target to the argument type. The result will be passed as argument to a method annotated with StreamListener when used for setting up a pipeline.

Parameters:

bindingTarget - the binding target

parameter - the method parameter for which the conversion is performed

Returns:

an instance of the parameter type, which will be passed to the method