kodo.jdbc.sql
Interface Joins

public interface Joins

Tracks joins made when traversing relations in a select.

Method Summary

void	crossJoin(Table localTable, Table foreignTable) Perform a cross join on the given tables.
String	getColumnAlias(Column col) Return the alias for the given column.
Collection	getJoins() Return the interal joins list.
String	getTableAlias(Table table) Return the alias for the given table.
boolean	isEmpty() Whether we have any joins.
void	join(ForeignKey fk, boolean inverse, boolean toMany) Join the columns of the given foreign key.
void	joinRelation(String name, ForeignKey fk, boolean inverse, boolean toMany) Join the columns of the given foreign key, which represents a relation via the given field name.
void	outerJoin(ForeignKey fk, boolean inverse, boolean toMany) Join the columns of the given foreign key.
void	outerJoinRelation(String name, ForeignKey fk, boolean inverse, boolean toMany) Join the columns of the given foreign key, which represents a relation via the given field name.
void	setVariable(String var) Set the variable name being traversed into with the next join.

Method Detail

getJoins

public Collection getJoins()

Return the interal joins list.

isEmpty

public boolean isEmpty()

Whether we have any joins.

crossJoin

public void crossJoin(Table localTable,
                      Table foreignTable)

Perform a cross join on the given tables.

join

public void join(ForeignKey fk,
                 boolean inverse,
                 boolean toMany)

Join the columns of the given foreign key.

outerJoin

public void outerJoin(ForeignKey fk,
                      boolean inverse,
                      boolean toMany)

Join the columns of the given foreign key.

joinRelation

public void joinRelation(String name,
                         ForeignKey fk,
                         boolean inverse,
                         boolean toMany)

Join the columns of the given foreign key, which represents a relation via the given field name.

outerJoinRelation

public void outerJoinRelation(String name,
                              ForeignKey fk,
                              boolean inverse,
                              boolean toMany)

Join the columns of the given foreign key, which represents a relation via the given field name.

setVariable

public void setVariable(String var)

Set the variable name being traversed into with the next join.

getColumnAlias

public String getColumnAlias(Column col)

Return the alias for the given column.

getTableAlias

public String getTableAlias(Table table)

Return the alias for the given table.