org.israfil.sqlelements
Class InnerJoin

java.lang.Object
  org.israfil.sqlelements.AbstractJoin
      org.israfil.sqlelements.InnerJoin

All Implemented Interfaces:

Join

public class InnerJoin
extends AbstractJoin

A Constraint wrapper around a Join object

Version:

$Revision: 22 $

Author:

Christian Edward Gruber , Latest: $Author: cgruber $

Field Summary

Fields inherited from class org.israfil.sqlelements.AbstractJoin

left, right

Constructor Summary

InnerJoin(Column left, Column right)
This constructs an inner join based on equality of two columns.

InnerJoin(java.lang.String columnName, Table left, Table right)
This constructor creates an InnerJoin based on a column of the same name that occurs in two tables - specifically where they are equal.

Method Summary

java.lang.String

render(SQLRenderContext context)

Methods inherited from class org.israfil.sqlelements.AbstractJoin

getLeftColumn, getRightColumn

Methods inherited from class java.lang.Object

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

Constructor Detail

InnerJoin

public InnerJoin(Column left,
                 Column right)

This constructs an inner join based on equality of two columns. Note: each column must contain a Table reference

InnerJoin

public InnerJoin(java.lang.String columnName,
                 Table left,
                 Table right)

This constructor creates an InnerJoin based on a column of the same name that occurs in two tables - specifically where they are equal. This is a convenience constructor which creates a Column object for the column name in each table.

Parameters:

columnName -

left -

right -

Method Detail

render

public java.lang.String render(SQLRenderContext context)

Specified by:

render in interface Join

Specified by:

render in class AbstractJoin