Interface WorkflowCallable<R,T extends Throwable>

Type Parameters:
R - the type of the result of the callable
T - the type of exception that may be thrown
Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface public interface WorkflowCallable<R,T extends Throwable>
A functional interface that represents a task that returns a result and potentially throws a checked exception. This is similar to Java's Callable but allows for checked exceptions.
Since:
1.0
See Also:
  • Method Summary

    Modifier and Type
    Method
    Description
    Computes a result, or throws an exception if unable to do so.
    static <R, T extends Throwable>
    WorkflowCallable<R,T>
    Creates a WorkflowCallable from a WorkflowRunnable.
  • Method Details

    • call

      R call() throws T
      Computes a result, or throws an exception if unable to do so.
      Returns:
      computed result
      Throws:
      T - if unable to compute a result
    • noReturn

      static <R, T extends Throwable> WorkflowCallable<R,T> noReturn(WorkflowRunnable<T> runnable)
      Creates a WorkflowCallable from a WorkflowRunnable. The returned callable will execute the runnable and return null.
      Type Parameters:
      R - the return type (will be null)
      T - the exception type
      Parameters:
      runnable - the runnable to convert
      Returns:
      a callable that executes the runnable and returns null