org.ujoframework.orm
Class CriterionDecoder

java.lang.Object
  org.ujoframework.orm.CriterionDecoder

public class CriterionDecoder
extends java.lang.Object

SQL Criterion Decoder.

Author:

Pavel Ponec

Constructor Summary

CriterionDecoder(Criterion criterion, MetaDatabase database, java.util.List<UjoProperty> orderByItems)

CriterionDecoder(Criterion e, MetaTable ormTable)

Method Summary

UjoProperty	getBaseProperty() Returns the first direct property.
MetaColumn	getColumn(int i) Returns direct column
int	getColumnCount() Returns a column count
Criterion	getCriterion() Returns the criterion from costructor.
OrmHandler	getHandler() Returns handler
Operator	getOperator(int i) Returns operator.
protected UjoProperty[]	getPropertyRelations() Returns the unique direct property relations.
MetaTable[]	getTables(MetaTable baseTable) Returns all participated tables include the parameter table.
MetaTable[]	getTablesSorted(MetaTable baseTable) Returns all participated tables include the parameter table.
java.lang.Object	getValue(int i) Returns value
java.lang.Object	getValueExtended(int i) Returns an extended value to the SQL statement
java.lang.String	getWhere() Returns a SQL WHERE 'expression' of an empty string if no conditon is found.
boolean	isEmpty() Is the SQL statement empty?
java.lang.String	toString() Returns the criterion
protected void	unpack(Criterion c) Unpack criterion.
protected void	writeRelations() Writer a relation conditions:

Methods inherited from class java.lang.Object

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

Constructor Detail

CriterionDecoder

public CriterionDecoder(Criterion e,
                        MetaTable ormTable)

CriterionDecoder

public CriterionDecoder(Criterion criterion,
                        MetaDatabase database,
                        java.util.List<UjoProperty> orderByItems)

Parameters:

orderBy - The order item list is not mandatory (can be null).

Method Detail

unpack

protected void unpack(Criterion c)

Unpack criterion.

getColumnCount

public int getColumnCount()

Returns a column count

getColumn

public MetaColumn getColumn(int i)

Returns direct column

getOperator

public Operator getOperator(int i)

Returns operator.

getValue

public java.lang.Object getValue(int i)

Returns value

getValueExtended

public java.lang.Object getValueExtended(int i)

Returns an extended value to the SQL statement

getCriterion

public Criterion getCriterion()

Returns the criterion from costructor.

getWhere

public java.lang.String getWhere()

Returns a SQL WHERE 'expression' of an empty string if no conditon is found.

isEmpty

public boolean isEmpty()

Is the SQL statement empty?

getBaseProperty

public UjoProperty getBaseProperty()

Returns the first direct property.

writeRelations

protected void writeRelations()

Writer a relation conditions:

getPropertyRelations

protected UjoProperty[] getPropertyRelations()

Returns the unique direct property relations.

getTables

public MetaTable[] getTables(MetaTable baseTable)

Returns all participated tables include the parameter table.

getTablesSorted

public MetaTable[] getTablesSorted(MetaTable baseTable)

Returns all participated tables include the parameter table. The 'baseTable' is on the first position always.

getHandler

public OrmHandler getHandler()

Returns handler

toString

public java.lang.String toString()

Returns the criterion

Overrides:

toString in class java.lang.Object