Module jdk.jshell

Package jdk.jshell.execution

Class JdiExecutionControlProvider

java.lang.Object

jdk.jshell.execution.JdiExecutionControlProvider

All Implemented Interfaces:

ExecutionControlProvider

public class JdiExecutionControlProvider
extends Object
implements ExecutionControlProvider

A provider of remote JDI-controlled execution engines.

Since:

9

Field Summary

Fields

Modifier and Type	Field	Description
static final String	PARAM_HOST_NAME	The local hostname to connect to.
static final String	PARAM_LAUNCH	Should JDI-controlled launching be used?
static final String	PARAM_REMOTE_AGENT	The remote agent to launch.
static final String	PARAM_TIMEOUT	Milliseconds before connect timeout.

Constructor Summary

Constructors

Constructor	Description
JdiExecutionControlProvider()	Create an instance.

Method Summary

Modifier and Type	Method	Description
Map<String,String>	defaultParameters()	Create and return the default parameter map for this ExecutionControlProvider.
ExecutionControl	generate(ExecutionEnv env, Map<String,String> parameters)	Create and return the 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

Field Details

PARAM_REMOTE_AGENT

public static final String PARAM_REMOTE_AGENT

The remote agent to launch.

See Also:

• Constant Field Values

PARAM_TIMEOUT

public static final String PARAM_TIMEOUT

Milliseconds before connect timeout.

See Also:

• Constant Field Values

PARAM_HOST_NAME

public static final String PARAM_HOST_NAME

The local hostname to connect to.

See Also:

• Constant Field Values

PARAM_LAUNCH

public static final String PARAM_LAUNCH

Should JDI-controlled launching be used?

See Also:

• Constant Field Values

Constructor Details

JdiExecutionControlProvider

public JdiExecutionControlProvider()

Create an instance. An instance can be used to generate an ExecutionControl instance that uses the Java Debug Interface as part of the control of a remote process.

Method Details

name

public String name()

The unique name of this ExecutionControlProvider.

Specified by:

name in interface ExecutionControlProvider

Returns:

"jdi"

defaultParameters

public Map<String,String> defaultParameters()

Create and return the default parameter map for this ExecutionControlProvider. The map can optionally be modified; Modified or unmodified it can be passed to generate(jdk.jshell.spi.ExecutionEnv, java.util.Map).

Parameters

Parameter	Description	Constant Field
remoteAgent	the remote agent to launch	PARAM_REMOTE_AGENT
timeout	milliseconds before connect timeout	PARAM_TIMEOUT
launch	"true" for JDI controlled launch	PARAM_LAUNCH
hostname	connect to the named of the local host ("" for discovered)	PARAM_HOST_NAME

Specified by:

defaultParameters in interface ExecutionControlProvider

Returns:

the default parameter map

generate

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

Description copied from interface: ExecutionControlProvider

Create and return the 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

Throws:

IOException