com.beasys.commerce.foundation.expression
Interface Criteria

All Known Implementing Classes:

CriteriaImpl

public interface Criteria

extends Expression

The simple expression container in an expression string.

This will model a property name, an comparision operator, and a value to match against the name. In this fashion simple boolean logic can be utilized.

For use in the personalization and commerce servers, the comparision operator values must be the constants specified in TypesHelper (e.g. EQUALS, NOT_EQUALS, LIKE, etc.). This is because the logic which handles the Criteria objects will compare the operator against those constants.

To create Criteria objects, either use CriteriaHome.create() and set property, criteria, and comparator, or use ExpressionHelper to parse a query string into an Expression.

Attribute: criteria

• Containment: By Value
• Multiplicity: 1:1
• This is the literal value to compare the value of the property against. To operate with a Search object for Content, this should be a java.lang.String, a java.lang.Number, a java.lang.Boolean, a java.sql.Timestamp, or a java.util.Collection of those four. Anything else is considered a USER_DEFINED object and may not work.

Attribute: property

• Containment: By Value
• Multiplicity: 1:1
• The name of the property to compare.

Attribute: comparator

• Containment: By Value
• Multiplicity: 1:1
• The value should one of the nine constants from TypesHelper (EQUALS, NOT_EQUALS, GREATER_THAN, LESS_THAN, GREATER_THAN_EQUALS, LESS_THAN_EQUALS, LIKE, CONTAINS, CONTAINS_ALL)

See Also:

CriteriaHome, CriteriaImpl, TypesHelper, ExpressionHelper

Method Summary

java.lang.String	getComparator() Get the comparision operator.
java.lang.Object	getCriteria() Get the literial value to compare against.
java.lang.String	getProperty() Get the property name to compare against.
void	setComparator(java.lang.String comparator) Set the comparision operator
void	setCriteria(java.lang.Object criteria) Set the literal value to compare against.
void	setProperty(java.lang.String property) Set the property name to compare against.

Methods inherited from interface com.beasys.commerce.foundation.expression.Expression

getNot, setNot, toString, valueOf

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

clone, equals, interfaceName, setByValue, value

Methods inherited from interface java.lang.Comparable

compareTo

Method Detail

getCriteria

public java.lang.Object getCriteria()

Get the literial value to compare against.

setCriteria

public void setCriteria(java.lang.Object criteria)

Set the literal value to compare against.

getProperty

public java.lang.String getProperty()

Get the property name to compare against.

setProperty

public void setProperty(java.lang.String property)

Set the property name to compare against.

getComparator

public java.lang.String getComparator()

Get the comparision operator.

setComparator

public void setComparator(java.lang.String comparator)

Set the comparision operator