Module org.tentackle.sql

Package org.tentackle.sql.metadata

Class ModelMetaData

java.lang.Object

org.tentackle.sql.metadata.ModelMetaData

public class ModelMetaData
extends Object

The whole metadata for the connected database.

Author:

harald

Constructor Summary

Constructors

Constructor	Description
ModelMetaData(Backend backend, DatabaseMetaData[] metaData, String[] schemas)	Creates a database meta instance.

Method Summary

Modifier and Type	Method	Description
boolean	addTableMetaData(TableMetaData tableMetaData)	Adds a table to this model. If schemas are set, only tables belonging to one of given schemas will be appended.
List<DatabaseMetaDataTableHeader>	getAllTablesInDatabase()	Gets the header info of all tables in the database.
Backend	getBackend()	Gets the backend.
DatabaseMetaData[]	getMetaData()	Gets the JDBC-connection's meta data. May be more than one if different schemas and schema-option was given in BackendInfo.
Properties	getProperties()	Gets the migration properties. Used to remember settings of the migration process.
String[]	getSchemas()	Gets the valid schemas.
List<DatabaseMetaDataTableHeader>	getTableInDatabase(String tableName)	Gets the header infos for given tablename. May return more than one entry if the same tablename is used in more than one schema.
Collection<TableMetaData>	getTables()	Gets the tables of this model.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ModelMetaData

public ModelMetaData(Backend backend,
                     DatabaseMetaData[] metaData,
                     String[] schemas)

Creates a database meta instance.

Parameters:

backend - the backend

metaData - the connections meta data

schemas - optional schemas, null if no schema check

Method Detail

getProperties

public Properties getProperties()

Gets the migration properties.
Used to remember settings of the migration process.

Returns:

the properties

getAllTablesInDatabase

public List<DatabaseMetaDataTableHeader> getAllTablesInDatabase()
                                                         throws SQLException

Gets the header info of all tables in the database.

Returns:

the table headers

Throws:

SQLException - if cannot retrieve meta data from database

getTableInDatabase

public List<DatabaseMetaDataTableHeader> getTableInDatabase(String tableName)
                                                     throws SQLException

Gets the header infos for given tablename.
May return more than one entry if the same tablename is used in more than one schema.

Parameters:

tableName - the tablename

Returns:

the non-empty list of header infos, null if no such table in database

Throws:

SQLException - if cannot retrieve meta data from database

addTableMetaData

public boolean addTableMetaData(TableMetaData tableMetaData)

Adds a table to this model.
If schemas are set, only tables belonging to one of given schemas will be appended.

Parameters:

tableMetaData - the table

Returns:

true if added, false if wrong schema

getTables

public Collection<TableMetaData> getTables()

Gets the tables of this model.

Returns:

the tables

getBackend

public Backend getBackend()

Gets the backend.

Returns:

the backend

getSchemas

public String[] getSchemas()

Gets the valid schemas.

Returns:

the optional schemas, null if no schema check

getMetaData

public DatabaseMetaData[] getMetaData()

Gets the JDBC-connection's meta data.
May be more than one if different schemas and schema-option was given in BackendInfo.

Returns:

the meta data

toString

public String toString()

Overrides:

toString in class Object