org.ujorm.orm.metaModel

Class MetaRelation2Many

java.lang.Object

org.ujorm.extensions.SuperAbstractUjo

org.ujorm.extensions.AbstractUjo

org.ujorm.orm.AbstractMetaModel

org.ujorm.orm.metaModel.MetaRelation2Many

All Implemented Interfaces:

Serializable, UjoCloneable, UjoLockable, UjoTextable, Ujo

Direct Known Subclasses:

MetaColumn

public class MetaRelation2Many
extends AbstractMetaModel

The database/object relation to many. It is no model of persistent column (nor foreign key).

See Also:

isColumn(), isForeignKey(), MetaColumn, Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static Key<MetaRelation2Many,String>	ID The meta-model ID.
static Key<MetaRelation2Many,String>	NAME The database column name.
static Key<MetaRelation2Many,MetaTable>	TABLE DB table
static Key<MetaRelation2Many,Key>	TABLE_KEY The direct table key

Constructor Summary

Constructors

Constructor and Description
MetaRelation2Many()
MetaRelation2Many(MetaTable table, Key tableKey, MetaRelation2Many param) Meta-model for a relation to many

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object relation) Two models are the same if its key names are the same for the same domain type.
OrmHandler	getHandler() OrmHandler
String	getId() Returns the ID of the column
Key	getKey() Returns a column direct key
MetaTable	getTable() Returns a table model
String	getTableAlias() Returns an alias of the table model
Class<OrmUjo>	getTableClass() Returns a class of column table.
Object	getValue(Ujo ujo) Get key value
int	hashCode()
boolean	isColumn() It is a DB column (either a value of a foreign key), not a relation to many.
boolean	isCompositeKey() Is it newer the composite Key
boolean	isForeignKey() Is it a Foreign Key ?
boolean	isTypeOf(Class type) Returns true if the key type is a type or subtype of the parameter class.
String	toString() Key name

Methods inherited from class org.ujorm.orm.AbstractMetaModel

clearReadOnly, get, changeDefault, checkReadOnly, lock, readAuthorization, readOnly, setReadOnly, writeValue

Methods inherited from class org.ujorm.extensions.AbstractUjo

newCamelFactory, newFactory, newSnakeCaseFactory, readValue

Methods inherited from class org.ujorm.extensions.SuperAbstractUjo

clone, init, init, readKeys, readUjoManager, readValueString, writeValueString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.ujorm.Ujo

readKeys, readValue

Field Detail

ID

public static final Key<MetaRelation2Many,String> ID

The meta-model ID.

NAME

public static final Key<MetaRelation2Many,String> NAME

The database column name. If an appropriate Key is a relation to another ORM object with more primary keys, then the several names can be separated by a space or comma character.

TABLE_KEY

public static final Key<MetaRelation2Many,Key> TABLE_KEY

The direct table key

TABLE

public static final Key<MetaRelation2Many,MetaTable> TABLE

DB table

Constructor Detail

MetaRelation2Many

public MetaRelation2Many()

MetaRelation2Many

public MetaRelation2Many(MetaTable table,
                 Key tableKey,
                 MetaRelation2Many param)

Meta-model for a relation to many

Parameters:

table - Related Table

tableKey - The direct Key

param - XML content

Method Detail

isColumn

public boolean isColumn()

It is a DB column (either a value of a foreign key), not a relation to many.

isForeignKey

public boolean isForeignKey()

Is it a Foreign Key ?

getId

public final String getId()

Returns the ID of the column

getKey

public final Key getKey()

Returns a column direct key

isCompositeKey

public final boolean isCompositeKey()

Is it newer the composite Key

isTypeOf

public final boolean isTypeOf(Class type)

Returns true if the key type is a type or subtype of the parameter class.

getTable

public final MetaTable getTable()

Returns a table model

getTableAlias

public final String getTableAlias()

Returns an alias of the table model

getTableClass

public final Class<OrmUjo> getTableClass()

Returns a class of column table.

getValue

public final Object getValue(Ujo ujo)

Get key value

getHandler

public OrmHandler getHandler()

OrmHandler

toString

public String toString()

Key name

Overrides:

toString in class SuperAbstractUjo

equals

public boolean equals(Object relation)

Two models are the same if its key names are the same for the same domain type.

Overrides:

equals in class SuperAbstractUjo

hashCode

public int hashCode()

Overrides:

hashCode in class Object