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 Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description void
closeDown()
Reports that the execution engine has shutdown.List<String>
extraRemoteVMOptions()
Returns the additional VM options to be used when launching the remote JVM.PrintStream
userErr()
Returns the user's error stream.InputStream
userIn()
Returns the user's input stream.PrintStream
userOut()
Returns the user's output stream.
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.