edu.wpi.cs.DSRG.xmldb.XMLRDBMSUpdate
Class CreateDataSchema

java.lang.Object
  |
  +--edu.wpi.cs.DSRG.xmldb.XMLRDBMSUpdate.CreateDataSchema

public class CreateDataSchema

extends java.lang.Object

CreateDataSchema.java creates a relational schema for the datas to be loaded through XML documents, the XML catalog, and the XML data view catalog.

Since:

1/19/2000

Field Summary

(package private) JDBCClient

client

Constructor Summary

CreateDataSchema(JDBCClient client)
This constructor is used when a JDBCClient connection has already been established.

CreateDataSchema(java.lang.String URI, java.lang.String username, java.lang.String password)
This constructor is used when a connection is needed to be made through a JDBCClient.

Method Summary

void	create() The method create() creates the data tables schema based on the DTDM tables.
void	dropCatalogs() The method dropCatalogs() removes the XML_CATALOG and DATAVIEW_CATALOG.
void	dropSchema(java.lang.String XML_URI) The method dropSchema removes an XML relational database Schema for the given XML.
void	resetCatalogs() The method resetCatalogs() deletes the tuples to reset the XML_CATALOG and DATAVIEW_CATALOG

Methods inherited from class java.lang.Object

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

Field Detail

client

JDBCClient client

Constructor Detail

CreateDataSchema

public CreateDataSchema(JDBCClient client)

This constructor is used when a JDBCClient connection has already been established.

Parameters:

client - JDBCClient A JDBCClient connection

CreateDataSchema

public CreateDataSchema(java.lang.String URI,
                        java.lang.String username,
                        java.lang.String password)

This constructor is used when a connection is needed to be made through a JDBCClient.

Parameters:

URI - String URI for the database server

username - String Username for that database

password - String Password for the username

Method Detail

dropCatalogs

public void dropCatalogs()

The method dropCatalogs() removes the XML_CATALOG and DATAVIEW_CATALOG.

resetCatalogs

public void resetCatalogs()

The method resetCatalogs() deletes the tuples to reset the XML_CATALOG and DATAVIEW_CATALOG

dropSchema

public void dropSchema(java.lang.String XML_URI)
                throws java.lang.Exception

The method dropSchema removes an XML relational database Schema for the given XML.

Parameters:

XML_URI - String URI for the XML document to which you want schema dropped

create

public void create()

The method create() creates the data tables schema based on the DTDM tables. A table will be created for each item of the ALL_DTDS_DTDM_Items table. Also, this method creates the XML_CATALOG table to store the URI and internal id relationships for XML documents and the DATAVIEW_CATALOG which stores the name of the current view for each data table.