org.databene.script.expression

Class CompositeExpression<S,R>

java.lang.Object

org.databene.script.expression.CompositeExpression<S,R>

All Implemented Interfaces:

Expression<R>, WrapperExpression<R>

Direct Known Subclasses:

ArrayJoinExpression, ConcatExpression, ConditionalAndExpression, ConditionalOrExpression, DivisionExpression, FallbackExpression, InRangeExpression, MaxExpression, MinExpression, MultiplicationExpression, SubtractionExpression, SumExpression

public abstract class CompositeExpression<S,R>
extends Object
implements WrapperExpression<R>

Expression that evaluates the results of other Expressions.

Created: 18.06.2007 17:02:17

Author:

Volker Bergmann

Field Summary

Fields

Modifier and Type	Field and Description
protected String	symbol
protected Expression<S>[]	terms

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	CompositeExpression(Expression<S>... terms)
protected	CompositeExpression(String symbol, Expression<S>... terms)

Method Summary

Methods

Modifier and Type	Method and Description
void	addTerm(Expression<S> term)
Expression<?>[]	getSourceExpressions()
Expression<S>[]	getTerms()
boolean	isConstant()
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.databene.script.Expression

evaluate

Field Detail

symbol

protected String symbol

terms

protected Expression<S>[] terms

Constructor Detail

CompositeExpression

protected CompositeExpression(Expression<S>... terms)

CompositeExpression

protected CompositeExpression(String symbol,
                   Expression<S>... terms)

Method Detail

getTerms

public Expression<S>[] getTerms()

getSourceExpressions

public Expression<?>[] getSourceExpressions()

Specified by:

getSourceExpressions in interface WrapperExpression<R>

addTerm

public void addTerm(Expression<S> term)

isConstant

public boolean isConstant()

Specified by:

isConstant in interface Expression<R>

toString

public String toString()

Overrides:

toString in class Object