org.ujorm.orm.metaModel
Class MetaDatabase

java.lang.Object
  org.ujorm.extensions.SuperAbstractUjo
      org.ujorm.extensions.AbstractUjo
          org.ujorm.orm.AbstractMetaModel
              org.ujorm.orm.metaModel.MetaDatabase

All Implemented Interfaces:

Serializable, Comparable<MetaDatabase>, UjoCloneable, UjoLockable, UjoTextable, Ujo

public final class MetaDatabase
extends AbstractMetaModel
implements Comparable<MetaDatabase>

A logical database description.

See Also:

Serialized Form

Field Summary

static Key<MetaDatabase,Class<? extends SqlDialect>>	DIALECT SQL dialect type of Class<SqlDialect>
static Key<MetaDatabase,String>	ID The meta-model id
static Key<MetaDatabase,String>	JDBC_DRIVER JDBC Driver
static Key<MetaDatabase,String>	JDBC_URL JDBC URL connection
static ListKey<MetaDatabase,String>	JNDI JNDI (java naming and directory interface) connection string
static Key<MetaDatabase,Integer>	ORDER Database order number
static Key<MetaDatabase,Orm2ddlPolicy>	ORM2DLL_POLICY A policy to defining the database structure by a DDL.
static Key<MetaDatabase,String>	PASSWORD DB password of the user
static ListKey<MetaDatabase,MetaProcedure>	PROCEDURES List of procedures
static Key<MetaDatabase,Boolean>	READ_ONLY The default state read-only for the database.
static Key<MetaDatabase,OrmUjo>	ROOT An instance of the DB class.
static Key<MetaDatabase,String>	SCHEMA MetaDatabase default schema
static Key<MetaDatabase,Class<? extends UjoSequencer>>	SEQUENCER The sequencer class for tables of the current database.
static ListKey<MetaDatabase,MetaTable>	TABLES List of tables
static Key<MetaDatabase,String>	USER DB user

Constructor Summary

MetaDatabase()

MetaDatabase(OrmHandler ormHandler, OrmUjo database, MetaDatabase param, Integer order)
Create a new Database.

Method Summary

void	changeDbLength(MetaColumn column) Change DbType by a Java key
void	changeDbType(MetaColumn column) Change DbType by a Java key
static void	close(Connection connection, JdbcStatement statement, ResultSet rs, boolean throwExcepton) Close a connection, statement and a result set.
static void	close(Connection connection, Statement statement, ResultSet rs, boolean throwExcepton) Close a connection, statement and a result set.
int	compareTo(MetaDatabase o) Compare the object by ORDER.
void	create(Session session) Create DB
Connection	createConnection() Create connection with auto-commit false.
Connection	createInternalConnection() Call the method from SqlDialect only.
protected UjoSequencer	createSequencer(MetaTable table) Create a new sequencer for selected table
MetaDbService	createService() Create a service method
boolean	equals(Object obj) Equals
Session	getDefaultSession() Returns a default handler session.
SqlDialect	getDialect() Returns a SQL dialect for the current database.
String	getId() Returns an ID of the MetaDatabase.
List<MetaIndex>	getIndexList() Returns all database indexes
OrmHandler	getOrmHandler() OrmHandler
MetaParams	getParams() Return the OrmHandler parameters
Set<String>	getSchemas(List<MetaTable> tables) Get all table schemas
int	getTableTotalCount() Returns a full count of the database tables (views are excluded)
int	hashCode() Hash code
boolean	isSequenceTableRequired() Method returns true in case any table requires the internal table 'ujorm_pk_support' to get a next sequence value.
boolean	readAuthorization(UjoAction action, Key key, Object value) The PASSWORD key is not exported to XML for a better security.
String	toString()

Methods inherited from class org.ujorm.orm.AbstractMetaModel

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

Methods inherited from class org.ujorm.extensions.AbstractUjo

newCamelFactory, newFactory, 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<MetaDatabase,String> ID

The meta-model id

SCHEMA

public static final Key<MetaDatabase,String> SCHEMA

MetaDatabase default schema

READ_ONLY

public static final Key<MetaDatabase,Boolean> READ_ONLY

The default state read-only for the database.

DIALECT

public static final Key<MetaDatabase,Class<? extends SqlDialect>> DIALECT

SQL dialect type of Class<SqlDialect>

JDBC_URL

public static final Key<MetaDatabase,String> JDBC_URL

JDBC URL connection

JDBC_DRIVER

public static final Key<MetaDatabase,String> JDBC_DRIVER

JDBC Driver

USER

public static final Key<MetaDatabase,String> USER

DB user

PASSWORD

public static final Key<MetaDatabase,String> PASSWORD

DB password of the user

JNDI

public static final ListKey<MetaDatabase,String> JNDI

JNDI (java naming and directory interface) connection string

SEQUENCER

public static final Key<MetaDatabase,Class<? extends UjoSequencer>> SEQUENCER

The sequencer class for tables of the current database. A value can be a subtype of 'org.ujorm.orm.UjoSequencer' with one-parameter constructor type of MetaTable. If the NULL value is specified the then a default sequencer 'UjoSequencer' will be used.

ORM2DLL_POLICY

public static final Key<MetaDatabase,Orm2ddlPolicy> ORM2DLL_POLICY

A policy to defining the database structure by a DDL.

See Also:

Parameter values

TABLES

public static final ListKey<MetaDatabase,MetaTable> TABLES

List of tables

PROCEDURES

public static final ListKey<MetaDatabase,MetaProcedure> PROCEDURES

List of procedures

ORDER

public static final Key<MetaDatabase,Integer> ORDER

Database order number

ROOT

public static final Key<MetaDatabase,OrmUjo> ROOT

An instance of the DB class.

Constructor Detail

MetaDatabase

public MetaDatabase()

MetaDatabase

public MetaDatabase(OrmHandler ormHandler,
                    OrmUjo database,
                    MetaDatabase param,
                    Integer order)

Create a new Database.

Parameters:

ormHandler - ORM handler

database - Database instance

param - Configuration data from a XML file

Method Detail

createService

public MetaDbService createService()
                            throws IllegalStateException

Create a service method

Throws:

IllegalStateException

getDialect

public SqlDialect getDialect()

Returns a SQL dialect for the current database.

changeDbType

public void changeDbType(MetaColumn column)

Change DbType by a Java key

Parameters:

column - Column model

changeDbLength

public void changeDbLength(MetaColumn column)

Change DbType by a Java key

getTableTotalCount

public int getTableTotalCount()

Returns a full count of the database tables (views are excluded)

create

public void create(Session session)

Create DB

close

public static void close(Connection connection,
                         JdbcStatement statement,
                         ResultSet rs,
                         boolean throwExcepton)
                  throws IllegalStateException

Close a connection, statement and a result set.

Throws:

IllegalStateException

close

public static void close(Connection connection,
                         Statement statement,
                         ResultSet rs,
                         boolean throwExcepton)
                  throws IllegalStateException

Close a connection, statement and a result set.

Throws:

IllegalStateException

getOrmHandler

public OrmHandler getOrmHandler()

OrmHandler

getParams

public MetaParams getParams()

Return the OrmHandler parameters

getId

public String getId()

Returns an ID of the MetaDatabase.

createConnection

public Connection createConnection()
                            throws Exception

Create connection with auto-commit false.

Throws:

Exception

createInternalConnection

public Connection createInternalConnection()
                                    throws Exception

Call the method from SqlDialect only. Connection is set to autocommit to false.

Throws:

Exception

equals

public boolean equals(Object obj)

Equals

Overrides:

equals in class SuperAbstractUjo

hashCode

public int hashCode()

Hash code

Overrides:

hashCode in class Object

getDefaultSession

public Session getDefaultSession()

Returns a default handler session. It is a session of the first database.

getSchemas

public Set<String> getSchemas(List<MetaTable> tables)

Get all table schemas

isSequenceTableRequired

public boolean isSequenceTableRequired()

Method returns true in case any table requires the internal table 'ujorm_pk_support' to get a next sequence value.

createSequencer

protected UjoSequencer createSequencer(MetaTable table)

Create a new sequencer for selected table

getIndexList

public List<MetaIndex> getIndexList()

Returns all database indexes

toString

public String toString()

Overrides:

toString in class SuperAbstractUjo

compareTo

public int compareTo(MetaDatabase o)

Compare the object by ORDER.

Specified by:

compareTo in interface Comparable<MetaDatabase>

readAuthorization

public boolean readAuthorization(UjoAction action,
                                 Key key,
                                 Object value)

The PASSWORD key is not exported to XML for a better security.

Specified by:

readAuthorization in interface Ujo

Overrides:

readAuthorization in class AbstractMetaModel