Package org.graalvm.polyglot.tck

Class Snippet

java.lang.Object

org.graalvm.polyglot.tck.Snippet

public final class Snippet
extends Object

The unit of execution with assigned parameters and result types. The Snippet represents an execution of value constructor, statement, expression and script. The Snippet provides parameter(s) and return types used to compose the Snippets.

Since:

0.30

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	Snippet.Builder	The builder of a Snippet.

Method Summary

Modifier and Type	Method	Description
org.graalvm.polyglot.Value	getExecutableValue()	Returns the function executing the Snippet.
String	getId()	Returns the identifier of a snippet.
List<? extends TypeDescriptor>	getParameterTypes()	Returns the types of Snippet formal parameters.
ResultVerifier	getResultVerifier()	Returns the ResultVerifier to verify the execution result.
TypeDescriptor	getReturnType()	Returns the Snippet return type.
static Snippet.Builder	newBuilder(String id, org.graalvm.polyglot.Value executableValue, TypeDescriptor executableReturnType)	Creates a new Snippet builder object.
String	toString()

Methods inherited from class java.lang.Object

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

Method Details

getId

public String getId()

Returns the identifier of a snippet. The Snippets from a single LanguageProvider with the same identifier but different types are treated as overloads.

Returns:

the Snippet identifier

Since:

0.30

getExecutableValue

public org.graalvm.polyglot.Value getExecutableValue()

Returns the function executing the Snippet.

Returns:

the executable Value

Since:

0.30

getReturnType

public TypeDescriptor getReturnType()

Returns the Snippet return type.

Returns:

the return type

Since:

0.30

getParameterTypes

public List<? extends TypeDescriptor> getParameterTypes()

Returns the types of Snippet formal parameters.

Returns:

the parameter types

Since:

0.30

getResultVerifier

public ResultVerifier getResultVerifier()

Returns the ResultVerifier to verify the execution result.

Returns:

either a custom or the default ResultVerifier.

Since:

0.30

toString

public String toString()

Overrides:

toString in class Object

Since:

0.30

newBuilder

public static Snippet.Builder newBuilder(String id,
 org.graalvm.polyglot.Value executableValue,
 TypeDescriptor executableReturnType)

Creates a new Snippet builder object.

Parameters:

id - the Snippet identifier The Snippets from a single LanguageProvider with the same identifier but different types are treated as overloads.

executableValue - the executable Value used to execute the Snippet

executableReturnType - the Snippet return type

Returns:

the new Snippet.Builder

Since:

0.30