Package com.arcadedb.function.polyglot

Class PolyglotFunctionLibraryDefinition<T extends PolyglotFunctionDefinition>

java.lang.Object

com.arcadedb.function.polyglot.PolyglotFunctionLibraryDefinition<T>

All Implemented Interfaces:

FunctionLibraryDefinition<T>

Direct Known Subclasses:

JavascriptFunctionLibraryDefinition

public abstract class PolyglotFunctionLibraryDefinition<T extends PolyglotFunctionDefinition>
extends Object
implements FunctionLibraryDefinition<T>

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	PolyglotFunctionLibraryDefinition.Callback

Field Summary

Fields

Modifier and Type	Field	Description
protected List<String>	allowedPackages
protected Database	database
protected ConcurrentMap<String,T>	functions
protected String	language
protected String	libraryName
protected GraalPolyglotEngine	polyglotEngine

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	PolyglotFunctionLibraryDefinition(Database database, String libraryName, String language, List<String> allowedPackages)

Method Summary

Modifier and Type	Method	Description
Object	execute(PolyglotFunctionLibraryDefinition.Callback callback)
T	getFunction(String functionName)	Returns a function by its name
Iterable<T>	getFunctions()	Returns an iterable of the defined functions.
String	getName()	Returns the name of the library.
boolean	hasFunction(String functionName)	Returns true if the function was defined, otherwise false.
PolyglotFunctionLibraryDefinition	registerFunction(T function)	Registers a new function in the library.
PolyglotFunctionLibraryDefinition	unregisterFunction(String functionName)	Unregister a function from the library by its name.

Methods inherited from class java.lang.Object

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

Field Detail

database

protected final Database database

libraryName

protected final String libraryName

language

protected final String language

allowedPackages

protected final List<String> allowedPackages

functions

protected final ConcurrentMap<String,T extends PolyglotFunctionDefinition> functions

polyglotEngine

protected GraalPolyglotEngine polyglotEngine

Constructor Detail

PolyglotFunctionLibraryDefinition

protected PolyglotFunctionLibraryDefinition(Database database,
                                            String libraryName,
                                            String language,
                                            List<String> allowedPackages)

Method Detail

registerFunction

public PolyglotFunctionLibraryDefinition registerFunction(T function)

Description copied from interface: FunctionLibraryDefinition

Registers a new function in the library.

Specified by:

registerFunction in interface FunctionLibraryDefinition<T extends PolyglotFunctionDefinition>

Parameters:

function - function object to register

unregisterFunction

public PolyglotFunctionLibraryDefinition unregisterFunction(String functionName)

Description copied from interface: FunctionLibraryDefinition

Unregister a function from the library by its name.

Specified by:

unregisterFunction in interface FunctionLibraryDefinition<T extends PolyglotFunctionDefinition>

Parameters:

functionName - Name of the function to unregister

getName

public String getName()

Description copied from interface: FunctionLibraryDefinition

Returns the name of the library.

Specified by:

getName in interface FunctionLibraryDefinition<T extends PolyglotFunctionDefinition>

getFunctions

public Iterable<T> getFunctions()

Description copied from interface: FunctionLibraryDefinition

Returns an iterable of the defined functions.

Specified by:

getFunctions in interface FunctionLibraryDefinition<T extends PolyglotFunctionDefinition>

hasFunction

public boolean hasFunction(String functionName)

Description copied from interface: FunctionLibraryDefinition

Returns true if the function was defined, otherwise false.

Specified by:

hasFunction in interface FunctionLibraryDefinition<T extends PolyglotFunctionDefinition>

Parameters:

functionName - Name of the function to look up to

getFunction

public T getFunction(String functionName)

Description copied from interface: FunctionLibraryDefinition

Returns a function by its name

Specified by:

getFunction in interface FunctionLibraryDefinition<T extends PolyglotFunctionDefinition>

Parameters:

functionName - Name of the function to retrieve

execute

public Object execute(PolyglotFunctionLibraryDefinition.Callback callback)