org.ujorm.orm.metaModel
Class MetaTable

java.lang.Object
  org.ujorm.extensions.AbstractUjo
      org.ujorm.implementation.quick.QuickUjo
          org.ujorm.orm.AbstractMetaModel
              org.ujorm.orm.metaModel.MetaTable

All Implemented Interfaces:

java.io.Serializable, UjoCloneable, UjoTextable, Ujo

public final class MetaTable
extends AbstractMetaModel

DB table or view meta-model.

Author:

Pavel Ponec

See Also:

Serialized Form

Field Summary

static Property<MetaTable,java.lang.String>	ALIAS The unique table/view name over all Databases in scope one OrmHandler
static ListProperty<MetaTable,MetaColumn>	COLUMNS Table Columns (no relations)
static Property<MetaTable,java.lang.String>	COMMENT Comment of the database table
static Property<MetaTable,MetaDatabase>	DATABASE Database
static Property<MetaTable,RelationToMany>	DB_PROPERTY Database relative property (a base definition of table)
static Property<MetaTable,java.lang.String>	ID The meta-model id
static Property<MetaTable,java.lang.String>	NAME DB table name
static Property<MetaTable,Orm2ddlPolicy>	ORM2DLL_POLICY A policy to defining the database structure by a DDL.
static Property<MetaTable,MetaPKey>	PK Unique Primary Key
static Property<MetaTable,java.lang.Boolean>	READ_ONLY The state read-only for the database.
static ListProperty<MetaTable,MetaRelation2Many>	RELATIONS Table relations to many
static Property<MetaTable,java.lang.String>	SELECT SQL SELECT statement
static Property<MetaTable,MetaSelect>	SELECT_MODEL SQL SELECT model.
static Property<MetaTable,java.lang.String>	SEQUENCE Name of DB sequence.
static Property<MetaTable,java.lang.String>	SCHEMA Name of table schema.
static Property<MetaTable,java.lang.Boolean>	VIEW Is it a model of a database view or table ?

Constructor Summary

MetaTable()
No parameter constructor.

MetaTable(MetaDatabase database, RelationToMany dbProperty, MetaTable parTable)
Create new MetaTable.

Method Summary

void	assertChangeAllowed() Asssert that the table may be changed.
void	assignPrimaryKey(OrmUjo bo, Session session) Assign a PK from framework
OrmUjo	createBO() Returns a new instance or the BO.
boolean	equals(java.lang.Object obj) Compare object by the same instance.
java.lang.String	getAlias() Returns a unique table name over all Databases of the one OrmHandler.
java.lang.String	getComment() Get a Comment from meta-model annotation.
MetaDatabase	getDatabase() Returns the database
MetaColumn	getFirstPK() Returns the first PK
java.util.List<MetaColumn>	getForeignColumns() Get all foreign columns
java.util.Collection<MetaIndex>	getIndexCollection() Create a collection of the table indexes.
Orm2ddlPolicy	getOrm2ddlPolicy() Returns Orm2DDl policy
OrmUjo	getParent(OrmUjo bo) Returns a parrent of the parameter or the null if no parent was not found.
UjoSequencer	getSequencer() UJO sequencer
java.lang.Class<OrmUjo>	getType() Returns a base table class.
boolean	isCommented() Has the instance assigned a non empty comment?
boolean	isDefaultSchema() Has this table assigned the database default database schema ?
boolean	isPersistent() Is the instance a database relation model?
boolean	isReadOnly() Have the table got a READ-ONLU mode ?
boolean	isSelectModel() Is the query from a SQL select model ?
boolean	isTable() Is the instance a database persistent table?
boolean	isView() Is the instance a database relation model?
void	setNotPersistent() Database model is not persistent.

Methods inherited from class org.ujorm.orm.AbstractMetaModel

get, changeDefault, checkReadOnly, isFilled, isFilled, readAuthorization, readOnly, setReadOnly, writeValue

Methods inherited from class org.ujorm.implementation.quick.QuickUjo

newListProperty, newListProperty, newProperty, newProperty, newProperty, newProperty, newProperty, newProperty, readValue

Methods inherited from class org.ujorm.extensions.AbstractUjo

clone, init, init, readProperties, readUjoManager, readValueString, toString, writeValueString

Methods inherited from class java.lang.Object

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

Field Detail

ID

public static final Property<MetaTable,java.lang.String> ID

The meta-model id

NAME

public static final Property<MetaTable,java.lang.String> NAME

DB table name

ALIAS

public static final Property<MetaTable,java.lang.String> ALIAS

The unique table/view name over all Databases in scope one OrmHandler

SCHEMA

public static final Property<MetaTable,java.lang.String> SCHEMA

Name of table schema.

READ_ONLY

public static final Property<MetaTable,java.lang.Boolean> READ_ONLY

The state read-only for the database.

ORM2DLL_POLICY

public static final Property<MetaTable,Orm2ddlPolicy> ORM2DLL_POLICY

A policy to defining the database structure by a DDL.

See Also:

Parameter values

SEQUENCE

public static final Property<MetaTable,java.lang.String> SEQUENCE

Name of DB sequence. The value is not used by default, however a special implementation of the UjoSequencer can do it.

VIEW

public static final Property<MetaTable,java.lang.Boolean> VIEW

Is it a model of a database view or table ?

SELECT

public static final Property<MetaTable,java.lang.String> SELECT

SQL SELECT statement

COMMENT

public static final Property<MetaTable,java.lang.String> COMMENT

Comment of the database table

COLUMNS

public static final ListProperty<MetaTable,MetaColumn> COLUMNS

Table Columns (no relations)

RELATIONS

public static final ListProperty<MetaTable,MetaRelation2Many> RELATIONS

Table relations to many

SELECT_MODEL

public static final Property<MetaTable,MetaSelect> SELECT_MODEL

SQL SELECT model. Note: this property must not be persistent due a blank spaces in key names!

PK

public static final Property<MetaTable,MetaPKey> PK

Unique Primary Key

DB_PROPERTY

public static final Property<MetaTable,RelationToMany> DB_PROPERTY

Database relative property (a base definition of table)

DATABASE

public static final Property<MetaTable,MetaDatabase> DATABASE

Database

Constructor Detail

MetaTable

public MetaTable()

No parameter constructor.

MetaTable

public MetaTable(MetaDatabase database,
                 RelationToMany dbProperty,
                 MetaTable parTable)

Create new MetaTable.

Parameters:

database - Database for the table

dbProperty - Configuration property

parTable - Configuration data from a XML file

Method Detail

assignPrimaryKey

public void assignPrimaryKey(OrmUjo bo,
                             Session session)

Assign a PK from framework

createBO

public OrmUjo createBO()
                throws java.lang.InstantiationException,
                       java.lang.IllegalAccessException

Returns a new instance or the BO.

Throws:

java.lang.InstantiationException

java.lang.IllegalAccessException

getType

public final java.lang.Class<OrmUjo> getType()

Returns a base table class.

getFirstPK

public MetaColumn getFirstPK()

Returns the first PK

isPersistent

public boolean isPersistent()

Is the instance a database relation model?

isDefaultSchema

public boolean isDefaultSchema()

Has this table assigned the database default database schema ?

isView

public boolean isView()

Is the instance a database relation model?

isTable

public boolean isTable()

Is the instance a database persistent table? The false value means that the object is a relation model or a view.

isCommented

public boolean isCommented()

Has the instance assigned a non empty comment?

getComment

public java.lang.String getComment()

Get a Comment from meta-model annotation.

See Also:

Comment

isSelectModel

public boolean isSelectModel()

Is the query from a SQL select model ?

setNotPersistent

public void setNotPersistent()

Database model is not persistent. A side efect is that the DATABASE property has hot a null value.

getAlias

public java.lang.String getAlias()

Returns a unique table name over all Databases of the one OrmHandler.

getDatabase

public final MetaDatabase getDatabase()

Returns the database

equals

public boolean equals(java.lang.Object obj)

Compare object by the same instance.

Overrides:

equals in class AbstractUjo

getForeignColumns

public java.util.List<MetaColumn> getForeignColumns()

Get all foreign columns

getSequencer

public UjoSequencer getSequencer()

UJO sequencer

getIndexCollection

public java.util.Collection<MetaIndex> getIndexCollection()

Create a collection of the table indexes.

getParent

public OrmUjo getParent(OrmUjo bo)

Returns a parrent of the parameter or the null if no parent was not found.
The method provides a parent in case of emulated inheritance.

isReadOnly

public boolean isReadOnly()

Have the table got a READ-ONLU mode ?

assertChangeAllowed

public void assertChangeAllowed()

Asssert that the table may be changed.

getOrm2ddlPolicy

public Orm2ddlPolicy getOrm2ddlPolicy()

Returns Orm2DDl policy