Interface ScriptExecutionStrategy

All Known Implementing Classes:

EmbeddedPythonExecutionStrategy, ExternalPythonExecutionStrategy, JavaScriptExecutionStrategy

public interface ScriptExecutionStrategy

Strategy interface for script execution.

Implementations provide different ways to execute scripts:

• JavaScriptExecutionStrategy - GraalJS JavaScript engine
• EmbeddedPythonExecutionStrategy - GraalPy embedded Python
• ExternalPythonExecutionStrategy - External Python subprocess (future)

See Also:

• CodeExecutor

Method Summary

Modifier and Type	Method	Description
Map<String,Object>	execute(String code, Map<String,Object> input, ai.nervemind.common.domain.Node node, ExecutionService.ExecutionContext context)	Execute a script with the given input data.
default String	getAvailabilityInfo()	Get information about why this strategy might not be available.
String	getDisplayName()	Get a human-readable name for display.
String	getLanguageId()	Get the language identifier this strategy handles.
default boolean	isAvailable()	Check if this strategy is available (dependencies installed, etc.).

Method Details

execute

Map<String,Object> execute(String code,
 Map<String,Object> input,
 ai.nervemind.common.domain.Node node,
 ExecutionService.ExecutionContext context)
                    throws ScriptExecutionException

Execute a script with the given input data.

Parameters:

code - the script code to execute

input - input data from previous nodes

node - the node being executed (for accessing parameters)

context - the execution context

Returns:

output data including script results merged with input

Throws:

ScriptExecutionException - if execution fails

getLanguageId

String getLanguageId()

Get the language identifier this strategy handles.

Returns:

the language ID (e.g., "javascript", "python")

getDisplayName

String getDisplayName()

Get a human-readable name for display.

Returns:

display name (e.g., "JavaScript (GraalJS)", "Python (GraalPy)")

isAvailable

default boolean isAvailable()

Check if this strategy is available (dependencies installed, etc.).

Returns:

true if the strategy can be used

getAvailabilityInfo

default String getAvailabilityInfo()

Get information about why this strategy might not be available.

Returns:

diagnostic message, or empty string if available