com.sptci.rwt
Class DBMSAnalyser

java.lang.Object
  com.sptci.rwt.Analyser
      com.sptci.rwt.DBMSAnalyser

public class DBMSAnalyser
extends Analyser

An analyser for analysing metadata about a database.

© Copyright 2007 Sans Pareil Technologies, Inc.

Version:

$Id: DBMSAnalyser.java 4123 2008-05-25 21:49:01Z rakesh $

Author:

Rakesh Vidyadharan 2007-09-26

Nested Class Summary

Nested classes/interfaces inherited from class com.sptci.rwt.Analyser

Analyser.CatalogueSchema

Field Summary

Fields inherited from class com.sptci.rwt.Analyser

logger, manager

Constructor Summary

DBMSAnalyser(ConnectionManager manager)
Create a new instance of the class using the specified connection manager.

Method Summary

DBMSMetaData	analyse() Return a DBMSMetaData object that contains the basic information pertaining to the database connected to.
Collection<DBMSMetaData>	analyse(MetaData... parameters) Returns a collection of DBMSMetaData objects that contain the basic information pertaining to the database.
protected JDBCMetaData	processJdbcMetaData(DatabaseMetaData dmd) Fetch the JDBC driver metadata from the specified database meta data.
protected LimitsMetaData	processLimits(DatabaseMetaData dmd) Fetch the limits enforced by the database.
protected DBMSMetaData.Transaction	processTransaction(int value) Map the constants defined in Connection for transaction isolation levels to the DBMSMetaData.Transaction enumeration.

Methods inherited from class com.sptci.rwt.Analyser

getNames

Methods inherited from class java.lang.Object

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

Constructor Detail

DBMSAnalyser

public DBMSAnalyser(ConnectionManager manager)

Create a new instance of the class using the specified connection manager.

Parameters:

manager - The manager for obtaining database connections.

Method Detail

analyse

public Collection<DBMSMetaData> analyse(MetaData... parameters)
                                 throws SQLException

Returns a collection of DBMSMetaData objects that contain the basic information pertaining to the database.

   ConnectionManager manager = new ConnectionManager( "rwt" );
   Collection dmd = new DBMSAnalyser( manager ).analyse();
 

Specified by:

analyse in class Analyser

Parameters:

parameters - No values needed.

Returns:

Returns a collection with just one entry since there is only database about which metadata is retrieved.

Throws:

SQLException - If errors are encountered while analysisng the

See Also:

Analyser.analyse(com.sptci.rwt.MetaData...), analyse(), processTransaction(int), processJdbcMetaData(java.sql.DatabaseMetaData), processLimits(java.sql.DatabaseMetaData)

analyse

public DBMSMetaData analyse()
                     throws SQLException

Return a DBMSMetaData object that contains the basic information pertaining to the database connected to.

Returns:

The metadata about the database.

Throws:

SQLException - If errors are encountered while analysing the database.

See Also:

analyse( MetaData... )

processTransaction

protected DBMSMetaData.Transaction processTransaction(int value)

Map the constants defined in Connection for transaction isolation levels to the DBMSMetaData.Transaction enumeration.

Parameters:

value - The constant value that indicates the transaction level.

Returns:

The enumerated transaction value.

processJdbcMetaData

protected JDBCMetaData processJdbcMetaData(DatabaseMetaData dmd)
                                    throws SQLException

Fetch the JDBC driver metadata from the specified database meta data.

Parameters:

dmd - The database metadata from which the JDBC driver metadata is to be retrieved.

Throws:

SQLException - If errors are encountered while fetching the information.

processLimits

protected LimitsMetaData processLimits(DatabaseMetaData dmd)
                                throws SQLException

Fetch the limits enforced by the database.

Parameters:

dmd - The database metadata from which the database engine limits are to be retrieved.

Throws:

SQLException - If errors are encountered while fetching the information.