Invoke a Method on a JVM Object
invoke
Description
Invoke methods on Java object references. These functions provide a mechanism for invoking various Java object methods directly from R.
Usage
invoke(jobj, method, ...)
invoke_static(sc, class, method, ...)
invoke_new(sc, class, ...)
Arguments
Arguments | Description |
---|---|
jobj | An R object acting as a Java object reference (typically, a spark_jobj ). |
method | The name of the method to be invoked. |
… | Optional arguments, currently unused. |
sc | A spark_connection . |
class | The name of the Java class whose methods should be invoked. |
Details
Use each of these functions in the following scenarios:
invoke
Execute a method on a Java object reference (typically, a spark_jobj
). invoke_static
Execute a static method associated with a Java class. invoke_new
Invoke a constructor associated with a Java class.