org.databene.script.expression

Class ExpressionAdapter<S,T>

java.lang.Object

org.databene.script.expression.ExpressionAdapter<S,T>

All Implemented Interfaces:

Expression<T>

Direct Known Subclasses:

ConvertingExpression, ExpressionProxy

public abstract class ExpressionAdapter<S,T>
extends Object
implements Expression<T>

Adapter that makes use of a 'source' expression of one type to calculate and return a result of a possibly different type.

Created: 11.09.2010 07:01:10

Since:

0.5.4

Author:

Volker Bergmann

Field Summary

Fields

Modifier and Type	Field and Description
protected Expression<S>	source

Constructor Summary

Constructors

Constructor and Description
ExpressionAdapter(Expression<S> source)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	isConstant()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.databene.script.Expression

evaluate

Field Detail

source

protected final Expression<S> source

Constructor Detail

ExpressionAdapter

public ExpressionAdapter(Expression<S> source)

Method Detail

isConstant

public boolean isConstant()

Specified by:

isConstant in interface Expression<T>