Module jdk.jshell

Package jdk.jshell.execution

Class LocalExecutionControlProvider

java.lang.Object

jdk.jshell.execution.LocalExecutionControlProvider

All Implemented Interfaces:

ExecutionControlProvider

public class LocalExecutionControlProvider
extends Object
implements ExecutionControlProvider

A provider of execution engines which run in the same process as JShell.

Since:

9

Constructor Summary

Constructors

Constructor	Description
LocalExecutionControlProvider()	Create an instance.

Method Summary

Modifier and Type	Method	Description
ExecutionControl	createExecutionControl(ExecutionEnv env, Map<String,String> parameters)	Create a new ExecutionControl instance.
Map<String,String>	defaultParameters()	Create and return the default parameter map for LocalExecutionControlProvider.
ExecutionControl	generate(ExecutionEnv env, Map<String,String> parameters)	Create and return a locally executing ExecutionControl instance.
String	name()	The unique name of this ExecutionControlProvider.

Methods declared in class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

LocalExecutionControlProvider

public LocalExecutionControlProvider()

Create an instance. An instance can be used to generate an ExecutionControl instance that executes code in the same process.

Method Details

name

public String name()

The unique name of this ExecutionControlProvider.

Specified by:

name in interface ExecutionControlProvider

Returns:

"local"

defaultParameters

public Map<String,String> defaultParameters()

Create and return the default parameter map for LocalExecutionControlProvider. LocalExecutionControlProvider has no parameters.

Specified by:

defaultParameters in interface ExecutionControlProvider

Returns:

an empty parameter map

generate

public ExecutionControl generate(ExecutionEnv env,
 Map<String,String> parameters)

Create and return a locally executing ExecutionControl instance.

Specified by:

generate in interface ExecutionControlProvider

Parameters:

env - the execution environment, provided by JShell

parameters - the default or modified parameter map.

Returns:

the execution engine

createExecutionControl

public ExecutionControl createExecutionControl(ExecutionEnv env,
 Map<String,String> parameters)

Create a new ExecutionControl instance.

This method is invoked by generate().

Parameters:

env - the ExecutionEnv for which the ExecutionControl should be created

parameters - the parameters that were passed to generate()

Returns:

the newly created ExecutionControl

Since:

22