src/main/java/io/reactivex/parallel/ParallelFlowable.java
@CheckReturnValue
    @NonNull
    public final ParallelFlowable<T> doAfterTerminated(@NonNull Action onAfterTerminate) {
        ObjectHelper.requireNonNull(onAfterTerminate, "onAfterTerminate is null");
        return RxJavaPlugins.onAssembly(new ParallelPeek<T>(this,
                Functions.emptyConsumer(),
                Functions.emptyConsumer(),
                Functions.emptyConsumer(),
                Functions.EMPTY_ACTION,
                onAfterTerminate,
                Functions.emptyConsumer(),
                Functions.EMPTY_LONG_CONSUMER,
                Functions.EMPTY_ACTION
                ));
    }
@CheckReturnValue
    @NonNull
    public final ParallelFlowable<T> doAfterTerminated(@NonNull Action onAfterTerminate) {
        ObjectHelper.requireNonNull(onAfterTerminate, "onAfterTerminate is null");
        return RxJavaPlugins.onAssembly(new ParallelPeek<T>(this,
                Functions.emptyConsumer(),
                Functions.emptyConsumer(),
                Functions.emptyConsumer(),
                Functions.EMPTY_ACTION,
                onAfterTerminate,
                Functions.emptyConsumer(),
                Functions.EMPTY_LONG_CONSUMER,
                Functions.EMPTY_ACTION
                ));
    }
@ CheckReturnValue @ NonNull public final ParallelFlowable < T > doAfterTerminated ( @ NonNull Action onAfterTerminate ) { ObjectHelper . requireNonNull ( onAfterTerminate , "onAfterTerminate is null" ) ; return RxJavaPlugins . onAssembly ( new ParallelPeek < T > ( this , Functions . emptyConsumer ( ) , Functions . emptyConsumer ( ) , Functions . emptyConsumer ( ) , Functions . EMPTY_ACTION , onAfterTerminate , Functions . emptyConsumer ( ) , Functions . EMPTY_LONG_CONSUMER , Functions . EMPTY_ACTION ) ) ; }
Run the specified Action when a 'rail' completes or signals an error.

@param onAfterTerminate the callback
@return the new ParallelFlowable instance
Run the specified Action when a rail completes or signals an error .