com.goldencode.expr

Class ExpressionInitializer

java.lang.Object

com.goldencode.expr.Initializer

com.goldencode.expr.ExpressionInitializer

public class ExpressionInitializer
extends Initializer

Generates an initial value for a variable, using a contained Expression.

Field Summary

Fields

Modifier and Type	Field and Description
private Expression	expr The expression used to generate an initial value.

Constructor Summary

Constructors

Constructor and Description
ExpressionInitializer(Expression expr) Construct an instance.

Method Summary

Modifier and Type	Method and Description
java.lang.Class<?>	getReturnType() Report the type of object which will be returned when resolve() is called.
java.lang.Object	resolve() Evaluate the initializer and return back the result.

Methods inherited from class java.lang.Object

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

Field Detail

expr

private Expression expr

The expression used to generate an initial value.

Constructor Detail

ExpressionInitializer

public ExpressionInitializer(Expression expr)

Construct an instance.

Parameters:

expr - The expression to be used to generate an initial value.

Method Detail

resolve

public java.lang.Object resolve()

Evaluate the initializer and return back the result.

Specified by:

resolve in class Initializer

Returns:

The initial value.

getReturnType

public java.lang.Class<?> getReturnType()

Report the type of object which will be returned when resolve() is called.

Specified by:

getReturnType in class Initializer

Returns:

The value's return type.