org.xorm.query
Class Selector

java.lang.Object
  |
  +--org.xorm.query.Selector

All Implemented Interfaces:

Cloneable

public class Selector

extends Object

implements Cloneable

Nested Class Summary

static class

Selector.Ordering Immutable class to capture ordering information.

Constructor Summary

Selector(Table table, Condition condition)

Method Summary

Object	clone()
Selector	findSelector(Table table)
Condition	getCondition()
Set	getFetchColumns()
Column	getJoinColumn()
Selector.Ordering[]	getOrdering()
Table	getTable()
boolean	isOuterJoin()
boolean	merge(Selector other, Operator operator) Optimizes two Selectors by creating an AndCondition or OrCondition at the proper level.
void	require(DataFetchGroup fetchGroup)
void	setCondition(Condition condition)
void	setJoinColumn(Column joinColumn)
void	setOrdering(Selector.Ordering[] ordering)
void	setOuterJoin(boolean value)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Selector

public Selector(Table table,
                Condition condition)

Method Detail

clone

public Object clone()

Overrides:

clone in class Object

isOuterJoin

public boolean isOuterJoin()

setOuterJoin

public void setOuterJoin(boolean value)

getTable

public Table getTable()

getCondition

public Condition getCondition()

setCondition

public void setCondition(Condition condition)

getFetchColumns

public Set getFetchColumns()

setOrdering

public void setOrdering(Selector.Ordering[] ordering)

getOrdering

public Selector.Ordering[] getOrdering()

getJoinColumn

public Column getJoinColumn()

setJoinColumn

public void setJoinColumn(Column joinColumn)

toString

public String toString()

Overrides:

toString in class Object

require

public void require(DataFetchGroup fetchGroup)

findSelector

public Selector findSelector(Table table)

merge

public boolean merge(Selector other,
                     Operator operator)

Optimizes two Selectors by creating an AndCondition or OrCondition at the proper level.

Returns:

true if the selectors were merged