com.luciad.datamodel.expression

LuciadLightspeedClass TLcdDataObjectExpressionContext

java.lang.Object

com.luciad.datamodel.expression.TLcdDataObjectExpressionContext

public class TLcdDataObjectExpressionContext
extends Object

Context that is used to provide contextual information for evaluating expressions. The context contains at least the root object.

Since:

10.1

Constructor Summary

Constructors

Constructor and Description
TLcdDataObjectExpressionContext(ILcdDataObject aRoot) Constructs a new instance with the given object as root.
TLcdDataObjectExpressionContext(ILcdDataObject aRoot, Map<String,Object> aProperties) Constructs a new instance with the given object as root and the given map as properties.

Method Summary

Modifier and Type	Method and Description
Map<String,Object>	getProperties() Returns a map containing the properties of this context.
ILcdDataObject	getRoot() Returns the root object of this context.
void	setRoot(ILcdDataObject aRoot) Sets the root of this context to the given object.

Methods inherited from class java.lang.Object

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

Constructor Detail

TLcdDataObjectExpressionContext

public TLcdDataObjectExpressionContext(ILcdDataObject aRoot)

Constructs a new instance with the given object as root.

Parameters:

aRoot -

TLcdDataObjectExpressionContext

public TLcdDataObjectExpressionContext(ILcdDataObject aRoot,
                                       Map<String,Object> aProperties)

Constructs a new instance with the given object as root and the given map as properties.

Parameters:

aRoot - the root object

aProperties - the map with properties

Method Detail

getRoot

public ILcdDataObject getRoot()

Returns the root object of this context.

Returns:

the root object of this context

See Also:

setRoot(ILcdDataObject)

setRoot

public void setRoot(ILcdDataObject aRoot)

Sets the root of this context to the given object.

Parameters:

aRoot - the root of this context

See Also:

getRoot()

getProperties

public Map<String,Object> getProperties()

Returns a map containing the properties of this context. This map is typically used to keep track of additional information to be used during expression evaluation. One example could be for instance an expression language that supports the use of variables. These variables can then be stored in the properties of the context.

Returns:

the map of properties for this context