Package com.google.refine.grel.ast

Class VariableExpr

java.lang.Object

com.google.refine.grel.ast.VariableExpr

All Implemented Interfaces:

Evaluable

public class VariableExpr
extends Object
implements Evaluable

An abstract syntax tree node encapsulating the retrieval of a variable's content.

Field Summary

Fields

Modifier and Type	Field	Description
protected final String	_name

Constructor Summary

Constructors

Constructor	Description
VariableExpr(String name)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object other)
Object	evaluate(Properties bindings)	Evaluate this expression in the given environment (bindings).
String	getName()
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

_name

protected final String _name

Constructor Details

VariableExpr

public VariableExpr(String name)

Method Details

evaluate

public Object evaluate(Properties bindings)

Description copied from interface: Evaluable

Evaluate this expression in the given environment (bindings).

Specified by:

evaluate in interface Evaluable

Returns:

toString

public String toString()

Overrides:

toString in class Object

getName

public String getName()

equals

public boolean equals(Object other)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object