org.mule.runtime.extension.internal.expression

Class Expression

java.lang.Object

org.mule.runtime.extension.internal.expression.Expression

Direct Known Subclasses:

BinaryLogicalExpression, EmptyExpression, FieldComparison, Function, Not

public abstract class Expression
extends Object

Generic contract for a DSQL expression.

Since:

1.0

Constructor Summary

Constructors

Constructor and Description
Expression()

Method Summary

Modifier and Type	Method and Description
abstract void	accept(QueryTranslator queryTranslator) Translates an expression using the specified queryTranslator from DSQL into an expression in Native Query Language.
boolean	isEmpty()

Methods inherited from class java.lang.Object

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

Constructor Detail

Expression

public Expression()

Method Detail

accept

public abstract void accept(QueryTranslator queryTranslator)

Translates an expression using the specified queryTranslator from DSQL into an expression in Native Query Language.

Parameters:

queryTranslator - a QueryTranslator instance.

isEmpty

public boolean isEmpty()

Returns:

whether the expression is empty or not.