Module jdk.jshell

Interface ExecutionEnv


  • public interface ExecutionEnv
    Functionality made available to a pluggable JShell execution engine. It is provided to the execution engine by the core JShell implementation.

    This interface is designed to provide the access to core JShell functionality needed to implement ExecutionControl.

    Since:
    9
    See Also:
    ExecutionControl
    • Method Detail

      • userIn

        InputStream userIn()
        Returns the user's input stream.
        Returns:
        the user's input stream
      • userOut

        PrintStream userOut()
        Returns the user's output stream.
        Returns:
        the user's output stream
      • userErr

        PrintStream userErr()
        Returns the user's error stream.
        Returns:
        the user's error stream
      • extraRemoteVMOptions

        List<String> extraRemoteVMOptions()
        Returns the additional VM options to be used when launching the remote JVM. This is advice to the execution engine.

        Note: an execution engine need not launch a remote JVM.

        Returns:
        the additional options with which to launch the remote JVM
      • closeDown

        void closeDown()
        Reports that the execution engine has shutdown.