Class ComparisonCondition

java.lang.Object

org.tentackle.dbms.dsl.ComparisonCondition

All Implemented Interfaces:

Condition, SqlElement

public class ComparisonCondition
extends Object
implements Condition

Two expressions compared by an Operator.

Expressions spanning more than one column are compared column by column, which is applicable to equality only (see Operator.isMultiColumnApplicable()).

Author:

harald

Constructor Summary

Constructors

Constructor	Description
ComparisonCondition(Expression<?> leftExpression, Operator operator, Expression<?> rightExpression)	Creates a comparison.

Method Summary

Modifier and Type	Method	Description
Expression<?>	getLeftExpression()	Gets the left expression.
Operator	getOperator()	Gets the comparison operator.
Expression<?>	getRightExpression()	Gets the right expression.
void	render(RenderContext context)	Renders this element into the given context.

Methods inherited from class Object

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

Methods inherited from interface Condition

and, not, or

Constructor Details

ComparisonCondition

public ComparisonCondition(Expression<?> leftExpression,
 Operator operator,
 Expression<?> rightExpression)

Creates a comparison.

Parameters:

leftExpression - the left expression

operator - the comparison operator

rightExpression - the right expression

Method Details

getLeftExpression

public Expression<?> getLeftExpression()

Gets the left expression.

Returns:

the expression

getOperator

public Operator getOperator()

Gets the comparison operator.

Returns:

the operator

getRightExpression

public Expression<?> getRightExpression()

Gets the right expression.

Returns:

the expression

render

public void render(RenderContext context)

Description copied from interface: SqlElement

Renders this element into the given context.

Specified by:

render in interface SqlElement

Parameters:

context - the render context