org.ujorm.orm
Class CriterionDecoder

java.lang.Object
  org.ujorm.orm.CriterionDecoder

public class CriterionDecoder
extends Object

SQL Criterion Decoder.

Field Summary

protected MetaTable	baseTable
protected Criterion	criterion
protected SqlDialect	dialect
protected OrmHandler	handler
protected List<ValueCriterion>	nullValues
protected List<Key>	orderBy
protected boolean	printAllJoinedTables EFFECTIVA REQUEST: to enforce printing all Ujorm joined tables
protected StringBuilder	sql
protected Set<TableWrapper>	tables
protected List<ValueCriterion>	values

Constructor Summary

CriterionDecoder(Criterion criterion, MetaTable baseTable)
Constructor

CriterionDecoder(Criterion criterion, MetaTable baseTable, List<Key> orderByItems)
Constructor

Method Summary

Key	getBaseProperty() Returns the first direct key.
MetaTable	getBaseTable() Get Base Table
MetaColumn	getColumn(int i) Returns direct column or throw an exception
int	getColumnCount() Returns a column count
Criterion	getCriterion() Returns the criterion from costructor.
OrmHandler	getHandler() Returns handler
Operator	getOperator(int i) Returns operator.
protected Collection<AliasKey>	getPropertyRelations() Returns the unique direct key relations.
int	getTableCount() Returns all participated tables include the parameter table.
TableWrapper[]	getTables() Returns all participated tables include the parameter table.
TableWrapper[]	getTablesSorted() Returns all participated tables include the parameter table.
Object	getValue(int i) Returns value
Object	getValueExtended(int i) Returns an extended value to the SQL statement
String	getWhere() Returns a SQL WHERE 'expression' of an empty string if no conditon is found.
boolean	isEmpty() Is the SQL statement empty?
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

Field Detail

handler

protected final OrmHandler handler

dialect

protected final SqlDialect dialect

criterion

protected final Criterion criterion

orderBy

protected final List<Key> orderBy

sql

protected final StringBuilder sql

values

protected final List<ValueCriterion> values

nullValues

protected final List<ValueCriterion> nullValues

tables

protected final Set<TableWrapper> tables

baseTable

protected final MetaTable baseTable

printAllJoinedTables

protected final boolean printAllJoinedTables

EFFECTIVA REQUEST: to enforce printing all Ujorm joined tables

Constructor Detail

CriterionDecoder

public CriterionDecoder(Criterion criterion,
                        MetaTable baseTable)

Constructor

Parameters:

criterion - Criterion non-null

baseTable - Base ORM table model

CriterionDecoder

public CriterionDecoder(Criterion criterion,
                        MetaTable baseTable,
                        List<Key> orderByItems)

Constructor

Parameters:

criterion - Criterion non-null

baseTable - Base ORM table model

orderByItems - 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)
                     throws IllegalArgumentException

Returns direct column or throw an exception

Throws:

IllegalArgumentException

getOperator

public Operator getOperator(int i)

Returns operator.

getValue

public Object getValue(int i)

Returns value

getValueExtended

public Object getValueExtended(int i)

Returns an extended value to the SQL statement

getCriterion

public Criterion getCriterion()

Returns the criterion from costructor.

getWhere

public 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 Key getBaseProperty()

Returns the first direct key.

writeRelations

protected void writeRelations()

Writer a relation conditions:

getPropertyRelations

protected Collection<AliasKey> getPropertyRelations()

Returns the unique direct key relations.

getBaseTable

public MetaTable getBaseTable()

Get Base Table

getTableCount

public int getTableCount()

Returns all participated tables include the parameter table.

getTables

public TableWrapper[] getTables()

Returns all participated tables include the parameter table.

getTablesSorted

public TableWrapper[] getTablesSorted()

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

getHandler

public OrmHandler getHandler()

Returns handler

toString

public String toString()

Returns the criterion

Overrides:

toString in class Object