Package com.google.refine.grel.ast

Class FunctionCallExpr

java.lang.Object

com.google.refine.grel.ast.FunctionCallExpr

All Implemented Interfaces:

Evaluable

public class FunctionCallExpr
extends Object
implements Evaluable

An abstract syntax tree node encapsulating a function call. The function's arguments are all evaluated down to values before the function is applied. If any argument is an error, the function is not applied, and the error is the result of the expression.

Field Summary

Fields

Modifier and Type	Field	Description
protected final Evaluable[]	_args
protected final Function	_function

Constructor Summary

Constructors

Constructor	Description
FunctionCallExpr(Evaluable[] args, Function f)

Method Summary

Modifier and Type	Method	Description
Object	evaluate(Properties bindings)	Evaluate this expression in the given environment (bindings).
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

_args

protected final Evaluable[] _args

_function

protected final Function _function

Constructor Details

FunctionCallExpr

public FunctionCallExpr(Evaluable[] args,
 Function f)

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