com.beasys.commerce.foundation.expression
Interface Expression

All Known Subinterfaces:

Criteria, Logical

All Known Implementing Classes:

ExpressionImpl

public interface Expression

extends Belonging

An Expression represent a comparision expression.

The Expression interface is supposed to be abstract. The only instances of Expressions should be either Criterias or Logicals.

Attribute: not

• Containment: By Value
• Multiplicity: 1:1
• This specifies whether this is an negative expression or not.

See Also:

ExpressionHome, ExpressionImpl

Method Summary

boolean	getNot() Get the value of not
void	setNot(boolean not) Set the value of not
java.lang.String	toString() Render the expression as a string.
void	valueOf(java.lang.String searchExpression) Populate this Expression from the specified expression string.

Methods inherited from interface com.beasys.commerce.foundation.Belonging

clone, equals, interfaceName, setByValue, value

Methods inherited from interface java.lang.Comparable

compareTo

Method Detail

getNot

public boolean getNot()

Get the value of not

setNot

public void setNot(boolean not)

Set the value of not

toString

public java.lang.String toString()

Render the expression as a string.

This will convert the expression to the query syntax form as specified by ExpressionHelper.

Overrides:

toString in class java.lang.Object

See Also:

ExpressionHelper

valueOf

public void valueOf(java.lang.String searchExpression)

Populate this Expression from the specified expression string.

Throws:

java.lang.IllegalArgumentException - thrown on an invalid expression string.

See Also:

ExpressionHelper.parse(java.lang.String)