org.apache.sling.scripting.sightly.compiler.expression.nodes

Class PropertyAccess

java.lang.Object

org.apache.sling.scripting.sightly.compiler.expression.nodes.PropertyAccess

All Implemented Interfaces:

ExpressionNode

public final class PropertyAccess
extends Object
implements ExpressionNode

Defines an expression in which an object is queried for a specific property (e.g. obj.prop).

Constructor Summary

Constructors

Constructor and Description
PropertyAccess(ExpressionNode target, ExpressionNode property) Creates a property access node.
PropertyAccess(ExpressionNode target, Iterable<String> properties) Builds a chained property access node with the given target and the specified properties.
PropertyAccess(ExpressionNode target, String property) Creates a property access node.

Method Summary

Modifier and Type	Method and Description
<T> T	accept(NodeVisitor<T> visitor) Accept a visitor to process this node.
ExpressionNode	getProperty() Returns the expression node identifying the accessed property.
ExpressionNode	getTarget() The object being accessed.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

PropertyAccess

public PropertyAccess(ExpressionNode target,
                      ExpressionNode property)

Creates a property access node.

Parameters:

target - the expression for the object being accessed

property - the expression identifying the object's accessed property

PropertyAccess

public PropertyAccess(ExpressionNode target,
                      String property)

Creates a property access node.

Parameters:

target - the expression for the object being accessed

property - the name of the accessed property

PropertyAccess

public PropertyAccess(ExpressionNode target,
                      Iterable<String> properties)

Builds a chained property access node with the given target and the specified properties.

Parameters:

target - the target node

properties - a non-empty list of property names

Throws:

IllegalArgumentException - if the list of properties is empty

Method Detail

accept

public <T> T accept(NodeVisitor<T> visitor)

Description copied from interface: ExpressionNode

Accept a visitor to process this node.

Specified by:

accept in interface ExpressionNode

Type Parameters:

T - the type of the visitor

Parameters:

visitor - The visitor

Returns:

the node after it has been evaluated by the visitor

getTarget

public ExpressionNode getTarget()

The object being accessed.

Returns:

a node representing the object being accessed

getProperty

public ExpressionNode getProperty()

Returns the expression node identifying the accessed property.

Returns:

the expression node identifying the accessed property

toString

public String toString()

Overrides:

toString in class Object