public class ScriptEngines extends Object implements AutoCloseable
ScriptEngine objects for the server.| Constructor and Description |
|---|
ScriptEngines(Consumer<ScriptEngines> initializer)
Creates a new object.
|
| Modifier and Type | Method and Description |
|---|---|
void |
addImports(Set<String> imports)
Perform append to the existing import list for all
ScriptEngine instances that implement the
DependencyManager interface. |
void |
close()
Iterate through all the
ScriptEngine implementations and if they implement AutoCloseable
then call the AutoCloseable.close() method. |
CompiledScript |
compile(Reader script,
String language)
Compiles a script without executing it.
|
CompiledScript |
compile(String script,
String language)
Compiles a script without executing it.
|
Map<String,List<Map>> |
dependencies()
List dependencies for those
ScriptEngine objects that implement the DependencyManager interface. |
Object |
eval(Reader reader,
Bindings bindings,
String language)
Evaluate a script with
Bindings for a particular language. |
Object |
eval(String script,
Bindings bindings,
String language)
Evaluate a script with
Bindings for a particular language. |
Map<String,List<Map>> |
imports()
List the imports for those
ScriptEngine objects that implement the DependencyManager interface. |
void |
loadPlugins(List<GremlinPlugin> plugins)
For each
DependencyManager try to load the specified plugins. |
void |
reload(String language,
Set<String> imports,
Set<String> staticImports,
Map<String,Object> config)
Reload a
ScriptEngine with fresh imports. |
void |
reset()
Resets the ScriptEngines and re-initializes them.
|
List<GremlinPlugin> |
use(String group,
String artifact,
String version)
Pull in dependencies given some Maven coordinates.
|
public ScriptEngines(Consumer<ScriptEngines> initializer)
initializer - allows for external initialization of the newly created ScriptEngines objectpublic Object eval(String script, Bindings bindings, String language) throws ScriptException
Bindings for a particular language.ScriptExceptionpublic Object eval(Reader reader, Bindings bindings, String language) throws ScriptException
Bindings for a particular language.ScriptExceptionpublic CompiledScript compile(String script, String language) throws ScriptException
UnsupportedOperationException - if the ScriptEngine implementation does not implement
the Compilable interface.ScriptExceptionpublic CompiledScript compile(Reader script, String language) throws ScriptException
UnsupportedOperationException - if the ScriptEngine implementation does not implement
the Compilable interface.ScriptExceptionpublic void reload(String language, Set<String> imports, Set<String> staticImports, Map<String,Object> config)
ScriptEngine with fresh imports. Waits for any existing script evaluations to complete but
then blocks other operations until complete.public void addImports(Set<String> imports)
ScriptEngine instances that implement the
DependencyManager interface. Waits for any existing script evaluations to complete but
then blocks other operations until complete.public List<GremlinPlugin> use(String group, String artifact, String version)
ScriptEngine and determine if it
implements DependencyManager. For those that do call the @{link DependencyManager#use} method to fire
it up. Waits for any existing script evaluations to complete but then blocks other operations until complete.public void loadPlugins(List<GremlinPlugin> plugins)
DependencyManager try to load the specified plugins.public void close()
throws Exception
ScriptEngine implementations and if they implement AutoCloseable
then call the AutoCloseable.close() method. After that is complete, the script engine cache will be
cleared.close in interface AutoCloseableExceptionpublic void reset()
public Map<String,List<Map>> dependencies()
ScriptEngine objects that implement the DependencyManager interface.public Map<String,List<Map>> imports()
ScriptEngine objects that implement the DependencyManager interface.Copyright © 2013–2016 Apache Software Foundation. All rights reserved.