org.openrdf.sail.rdbms.evaluation
Class SqlJoinBuilder

java.lang.Object
  org.openrdf.sail.rdbms.evaluation.SqlJoinBuilder

public class SqlJoinBuilder
extends Object

Facilitates the building of a JOIN or FROM clause in SQL.

Author:

James Leigh

Constructor Summary

SqlJoinBuilder(String table, String alias, QueryBuilderFactory factory)

Method Summary

protected void	appendJoin(StringBuilder from, SqlJoinBuilder join)
SqlJoinBuilder	findJoin(String alias)
List<Object>	findParameters(List<Object> parameters)
String	getAlias()
CharSequence	getFromClause()
protected CharSequence	getJoinClause()
List<SqlJoinBuilder>	getLeftJoins()
protected String	getSqlCrossJoin()
String	getTable()
boolean	isLeft()
SqlJoinBuilder	join(String alias)
SqlJoinBuilder	join(String table, String alias)
SqlJoinBuilder	leftjoin(String alias)
SqlJoinBuilder	leftjoin(String table, String alias)
SqlExprBuilder	on()
SqlJoinBuilder	on(String column, String expression)
void	setLeft(boolean left)
SqlQueryBuilder	subquery()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

SqlJoinBuilder

public SqlJoinBuilder(String table,
                      String alias,
                      QueryBuilderFactory factory)

Method Detail

isLeft

public boolean isLeft()

setLeft

public void setLeft(boolean left)

getTable

public String getTable()

getAlias

public String getAlias()

getLeftJoins

public List<SqlJoinBuilder> getLeftJoins()

on

public SqlJoinBuilder on(String column,
                         String expression)

findJoin

public SqlJoinBuilder findJoin(String alias)

join

public SqlJoinBuilder join(String table,
                           String alias)

leftjoin

public SqlJoinBuilder leftjoin(String table,
                               String alias)

join

public SqlJoinBuilder join(String alias)

leftjoin

public SqlJoinBuilder leftjoin(String alias)

subquery

public SqlQueryBuilder subquery()

on

public SqlExprBuilder on()

toString

public String toString()

Overrides:

toString in class Object

getFromClause

public CharSequence getFromClause()

getJoinClause

protected CharSequence getJoinClause()

appendJoin

protected void appendJoin(StringBuilder from,
                          SqlJoinBuilder join)

getSqlCrossJoin

protected String getSqlCrossJoin()

findParameters

public List<Object> findParameters(List<Object> parameters)