com.sptci.rwt
Class ViewAnalyser

java.lang.Object
  com.sptci.rwt.Analyser
      com.sptci.rwt.TableTypeAnalyser
          com.sptci.rwt.ViewAnalyser

public class ViewAnalyser
extends TableTypeAnalyser

An analyser for analysing view type objects in the database. View information is retrieved from the Information Schema.

© Copyright 2007 Sans Pareil Technologies, Inc.

Version:

$Id: ViewAnalyser.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

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

Method Summary

Collection<ViewMetaData>	analyse(MetaData... parameters) Returns a collection of ViewMetaData objects that contain the basic information pertaining to the views in the schema.
void	getAdditionalAttributes(ViewMetaData vmd) Fetch additional meta data about the specified view from the information_schema.
protected AbstractViewAnalyser	getAnalyser() Return the appropriate implementation class depending upon the database engine being analysed.

Methods inherited from class com.sptci.rwt.TableTypeAnalyser

getNumberOfRows

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

ViewAnalyser

public ViewAnalyser(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<ViewMetaData> analyse(MetaData... parameters)
                                 throws SQLException

Returns a collection of ViewMetaData objects that contain the basic information pertaining to the views in the schema. You must invoke getAdditionalAttributes(com.sptci.rwt.ViewMetaData) to fetch information from the information_schema.

Specified by:

analyse in class Analyser

Parameters:

parameters - Must contain one parameter which is a RootMetaData that represents the catalog or schema to restrict the analysis to. The name of the catalogue or schema may be null or an empty string.

Returns:

The collection of metadata objects representing all objects of this type.

Throws:

SQLException - If errors are encountered while analysisng the

See Also:

Analyser.analyse(com.sptci.rwt.MetaData...), Analyser.getNames(com.sptci.rwt.MetaData)

getAdditionalAttributes

public void getAdditionalAttributes(ViewMetaData vmd)

Fetch additional meta data about the specified view from the information_schema.

Parameters:

vmd - The meta data object that is to have additional attributes populated.

Since:

Version 1.1

See Also:

AbstractViewAnalyser.getAdditionalAttributes(com.sptci.rwt.ViewMetaData)

getAnalyser

protected AbstractViewAnalyser getAnalyser()

Return the appropriate implementation class depending upon the database engine being analysed.

Returns:

The appropriate implementation class for the database.

Throws:

SQLException - If errors are encountered while determining the analyser class to use.