org.ajoberstar.cljj.function — org.ajoberstar/cljj 0.5.0

Support for using Clojure functions in Java APIs requiring a SAM (Single Abstrace Method) interface.

Currently uses java.lang.invoke.MethodHandleProxies to convert an method handle to a SAM type. The method handle generated for the IFn will translate to something akin to the below (using method handle notation for signatures):

(-> SAM call (Object...)Object[] RT.seq(Object[])ISeq IFN.applyTo(ISeq)Object)

This is not intended to be highly performant, but, as it has not been benchmarked, may or may not be. It is mainly intended to provide a more convenient interop with Java APIs that take SAM arguments.

defsam clj macro

(defsam name docstring? attr-map? sami & fdecl)

Defines a SAM instance bound to a Var named using the symbol passed in the first argument. Optional docstring and/or attribute map can be passed next. The following argument will be the SAM interface that should be implemented. The remaining arguments are treated as if to clojure.core/fn.

fn->handle clj

(fn->handle f)

sam clj macro

(sam sami & forms)

Defines an anonymous SAM instance implementing the SAM interface in the first argument. Remaining arguments are treated as if to clojure.core/fn.

sam* clj

(sam* sami f)