Class Property

java.lang.Object

com.oracle.truffle.api.object.Property

public abstract class Property
extends Object

Property objects represent the mapping between property identifiers (keys) and storage locations. Optionally, properties may have metadata attached to them.

Since:

0.8 or earlier

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Property()	Deprecated. do not use.

Method Summary

Modifier and Type	Method	Description
static Property	create(Object key, Location location, int flags)	Deprecated.
abstract Object	get(DynamicObject store, boolean condition)	Deprecated. Use DynamicObjectLibrary.getOrDefault(DynamicObject, Object, Object).
abstract Object	get(DynamicObject store, Shape shape)	Deprecated. Use DynamicObjectLibrary.getOrDefault(DynamicObject, Object, Object).
abstract int	getFlags()	Get property flags, which are free for language-specific use.
abstract Object	getKey()	Get property identifier.
abstract Location	getLocation()	Get the property location.
abstract boolean	isHidden()	Is this property hidden from iteration.

Methods inherited from class java.lang.Object

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

Constructor Details

Property

@Deprecated(since="22.2")
protected Property()

Deprecated.

do not use.

Constructor for subclasses.

Since:

0.8 or earlier

Method Details

create

@Deprecated(since="22.2")
public static Property create(Object key,
 Location location,
 int flags)

Deprecated.

Create a new property.

Parameters:

key - the key of the property

location - location of the property

flags - for language-specific use

Returns:

new instance of the property

Since:

0.8 or earlier

getKey

public abstract Object getKey()

Get property identifier.

Since:

0.8 or earlier

getFlags

public abstract int getFlags()

Get property flags, which are free for language-specific use.

Since:

0.8 or earlier

get

@Deprecated(since="22.2")
public abstract Object get(DynamicObject store,
 Shape shape)

Deprecated.

Use DynamicObjectLibrary.getOrDefault(DynamicObject, Object, Object).

Gets the value of this property of the object.

Parameters:

store - the store that this property resides in

shape - the current shape of the object, which must contain this location

Since:

0.8 or earlier

See Also:

• DynamicObjectLibrary.getOrDefault(DynamicObject, Object, Object)

get

@Deprecated(since="22.2")
public abstract Object get(DynamicObject store,
 boolean condition)

Deprecated.

Use DynamicObjectLibrary.getOrDefault(DynamicObject, Object, Object).

Gets the value of this property of the object.

Parameters:

store - the store that this property resides in

condition - the result of a shape check or false

Since:

0.8 or earlier

See Also:

• DynamicObjectLibrary.getOrDefault(DynamicObject, Object, Object)
• get(DynamicObject, Shape)

getLocation

public abstract Location getLocation()

Get the property location. Planned to be deprecated.

Since:

0.8 or earlier

isHidden

public abstract boolean isHidden()

Is this property hidden from iteration.

Since:

0.8 or earlier

See Also:

• HiddenKey