swpatho.ap1.editor.db
Class BefundDatabase

java.lang.Object

  swpatho.ap1.editor.db.BefundDatabase

public class BefundDatabase

extends java.lang.Object

A Database establishes a connection with a XML Database which stores the XML data and supports the XML:DB API. It is used to query the underlying XML database and improves query performance by caching the queries and their results. Furthermore, it provides access to the collections and services

Constructor Summary

BefundDatabase(java.lang.String DBDriver, java.lang.String befundCollectionPath)
Creates a Database object with the given parameters.

Method Summary

void	close() Closes a Database Object so that all internals are properly closed and (hopefully) no memory leaks occur.
Collection	getbefundCollection() Returns the collection for this Database
java.lang.String	getbefundCollectionPath() Returns the currently set collection path
java.lang.String	getDBDriver() Returns the database driver that was used in this Database object to establish a connection with the XML database.
XPathQueryService	getQueryService() Returns the service for this Database
ResourceSet	query(java.lang.String xpath) Queries the database

Methods inherited from class java.lang.Object

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

Constructor Detail

BefundDatabase

public BefundDatabase(java.lang.String DBDriver,
                      java.lang.String befundCollectionPath)
               throws DBException

Creates a Database object with the given parameters. It needs the driver for the database, the path to the collection

Parameters:

DBDriver - The driver for the database, e.g. "org.apache.xindice.client.xmldb.DatabaseImpl" for Xindice 1.0

befundCollectionPath - The path to the collection in the database, e.g. "xmldb:xindice:///db/Befunde"

Throws:

DBException - When any of the parameters is null or if cacheSize is <= 0.

Method Detail

getbefundCollectionPath

public java.lang.String getbefundCollectionPath()

Returns the currently set collection path

Returns:

Current collection path

getDBDriver

public java.lang.String getDBDriver()

Returns the database driver that was used in this Database object to establish a connection with the XML database.

Returns:

The database Driver from this Database

getbefundCollection

public Collection getbefundCollection()

Returns the collection for this Database

Returns:

Current collection

getQueryService

public XPathQueryService getQueryService()

Returns the service for this Database

Returns:

Current service

query

public ResourceSet query(java.lang.String xpath)
                  throws DBException

Queries the database

Parameters:

xpath - The XPath query that should be executed

Returns:

The ResourceSet that is produced by the xpath expression

Throws:

DBException

close

public void close()

Closes a Database Object so that all internals are properly closed and (hopefully) no memory leaks occur.