Class Layout

java.lang.Object

com.oracle.truffle.api.object.Layout

@Deprecated(since="21.1")
public abstract class Layout
extends Object

Deprecated.

since 21.1. Use Shape.Builder instead.

Describes layout and behavior of a DynamicObject subclass and is used to create shapes. An object may change its shape but only to shapes of the same layout. NB: Instances of this class should be created only in static initializers.

Since:

0.8 or earlier

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	Layout.Access	Deprecated. Internal package access helper.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	OPTION_PREFIX	Deprecated.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Layout()	Deprecated. Constructor for subclasses.

Method Summary

Modifier and Type	Method	Description
protected Shape	buildShape(Object dynamicType, Object sharedData, int flags, Assumption singleContextAssumption)	Deprecated. Create a root shape.
protected static LayoutFactory	getFactory()	Deprecated.
abstract Class<? extends DynamicObject>	getType()	Deprecated.

Methods inherited from class java.lang.Object

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

Field Details

OPTION_PREFIX

public static final String OPTION_PREFIX

Deprecated.

Since:

0.8 or earlier

See Also:

• Constant Field Values

Constructor Details

Layout

protected Layout()

Deprecated.

Constructor for subclasses.

Since:

0.8 or earlier

Method Details

getType

public abstract Class<? extends DynamicObject> getType()

Deprecated.

Since:

0.8 or earlier

buildShape

protected Shape buildShape(Object dynamicType,
 Object sharedData,
 int flags,
 Assumption singleContextAssumption)

Deprecated.

Create a root shape.

Since:

20.2.0

getFactory

protected static LayoutFactory getFactory()

Deprecated.

Since:

0.8 or earlier