org.ujoframework.orm.metaModel
Class MetaDatabase

java.lang.Object
  org.ujoframework.extensions.AbstractUjo
      org.ujoframework.implementation.quick.QuickUjo
          org.ujoframework.orm.AbstractMetaModel
              org.ujoframework.orm.metaModel.MetaDatabase

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<MetaDatabase>, UjoCloneable, UjoTextable, Ujo

public final class MetaDatabase
extends AbstractMetaModel
implements java.lang.Comparable<MetaDatabase>

A logical database description.

See Also:

Serialized Form

Field Summary

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

Constructor Summary

MetaDatabase()

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

Method Summary

static void	close(java.sql.Connection connection, JdbcStatement statement, java.sql.ResultSet rs, boolean throwExcepton) Close a connection, statement and a result set.
static void	close(java.sql.Connection connection, java.sql.Statement statement, java.sql.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
java.sql.Connection	createConnection() Create connection with auto-commit false.
java.sql.Connection	createInternalConnection() Call the method from SqlDialect only.
protected UjoSequencer	createSequencer(MetaTable table) Create a new sequencer for selected table
boolean	equals(java.lang.Object obj) Equals
Session	getDefaultSession() Returns a default handler session.
SqlDialect	getDialect() Returns a SQL dialect for the current database.
java.lang.String	getId() Returns an ID of the MetaDatabase.
java.util.List<MetaIndex>	getIndexList() Returns all database indexes
OrmHandler	getOrmHandler() OrmHandler
MetaParams	getParams() Return the OrmHandler parameters
int	hashCode() Hash code
void	changeDbLength(MetaColumn column) Change DbType by a Java property
void	changeDbType(MetaColumn column) Change DbType by a Java property
protected void	checkKeyWord(java.lang.String word, MetaTable table, java.util.Set<java.lang.String> keywords) Check the keyword
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, UjoProperty property, java.lang.Object value) The PASSWORD property is not exported to XML for a better security.
java.lang.String	toString() A String representation.

Methods inherited from class org.ujoframework.orm.AbstractMetaModel

get, changeDefault, checkReadOnly, isUsable, isUsable, readOnly, setReadOnly, writeValue

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

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

Methods inherited from class org.ujoframework.extensions.AbstractUjo

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

Methods inherited from class java.lang.Object

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

Field Detail

ID

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

The meta-model id

SCHEMA

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

MetaDatabase default schema

READ_ONLY

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

The default state read-only for the database.

DIALECT

public static final Property<MetaDatabase,java.lang.Class> DIALECT

SQL dialect type of Class<SqlDialect>

JDBC_URL

public static final Property<MetaDatabase,java.lang.String> JDBC_URL

JDBC URL connection

JDBC_DRIVER

public static final Property<MetaDatabase,java.lang.String> JDBC_DRIVER

JDBC Driver

USER

public static final Property<MetaDatabase,java.lang.String> USER

DB user

PASSWORD

public static final Property<MetaDatabase,java.lang.String> PASSWORD

DB password of the user

JNDI

public static final ListProperty<MetaDatabase,java.lang.String> JNDI

JNDI (java naming and directory interface) connection string

SEQUENCER

public static final Property<MetaDatabase,java.lang.Class> SEQUENCER

The sequencer class for tables of the current database. A value can be a subtype of 'org.ujoframework.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 Property<MetaDatabase,Orm2ddlPolicy> ORM2DLL_POLICY

A policy to defining the database structure by a DDL.

See Also:

Parameter values

TABLES

public static final ListProperty<MetaDatabase,MetaTable> TABLES

List of tables

PROCEDURES

public static final ListProperty<MetaDatabase,MetaProcedure> PROCEDURES

List of procedures

ORDER

public static final Property<MetaDatabase,java.lang.Integer> ORDER

Database order number

ROOT

public static final Property<MetaDatabase,OrmUjo> ROOT

An instance of the DB class.

Constructor Detail

MetaDatabase

public MetaDatabase()

MetaDatabase

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

Create a new Database.

Parameters:

ormHandler - ORM handler

database - Database instance

param - Configuration data from a XML file

Method Detail

getDialect

public SqlDialect getDialect()

Returns a SQL dialect for the current database.

changeDbType

public void changeDbType(MetaColumn column)

Change DbType by a Java property

changeDbLength

public void changeDbLength(MetaColumn column)

Change DbType by a Java property

create

public void create(Session session)

Create DB

close

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

Close a connection, statement and a result set.

Throws:

java.lang.IllegalStateException

checkKeyWord

protected void checkKeyWord(java.lang.String word,
                            MetaTable table,
                            java.util.Set<java.lang.String> keywords)
                     throws java.lang.Exception

Check the keyword

Throws:

java.lang.Exception

close

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

Close a connection, statement and a result set.

Throws:

java.lang.IllegalStateException

getOrmHandler

public OrmHandler getOrmHandler()

OrmHandler

getParams

public MetaParams getParams()

Return the OrmHandler parameters

getId

public java.lang.String getId()

Returns an ID of the MetaDatabase.

createConnection

public java.sql.Connection createConnection()
                                     throws java.lang.Exception

Create connection with auto-commit false.

Throws:

java.lang.Exception

createInternalConnection

public java.sql.Connection createInternalConnection()
                                             throws java.lang.Exception

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

Throws:

java.lang.Exception

equals

public boolean equals(java.lang.Object obj)

Equals

Overrides:

equals in class AbstractUjo

hashCode

public int hashCode()

Hash code

Overrides:

hashCode in class java.lang.Object

getDefaultSession

public Session getDefaultSession()

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

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 java.util.List<MetaIndex> getIndexList()

Returns all database indexes

toString

public java.lang.String toString()

Description copied from class: AbstractUjo

A String representation.

Overrides:

toString in class AbstractUjo

compareTo

public int compareTo(MetaDatabase o)

Compare the object by ORDER.

Specified by:

compareTo in interface java.lang.Comparable<MetaDatabase>

readAuthorization

public boolean readAuthorization(UjoAction action,
                                 UjoProperty property,
                                 java.lang.Object value)

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

Specified by:

readAuthorization in interface Ujo

Overrides:

readAuthorization in class AbstractMetaModel

Parameters:

action - Type of request. See constant(s) ACTION_* for more information. The action must not be null, however there is allowed to use a dummy constant UjoAction.DUMMY .

property - A property of the Ujo

value - A value

Returns:

Returns TRUE, if property is authorized.

See Also:

Action Constants