org.apache.xindice.core
Class DBObserver

java.lang.Object
  |
  +--org.apache.xindice.core.DBObserver

Direct Known Subclasses:

DatabaseChangeObserver

public abstract class DBObserver

extends Object

Observer for Xindice DB activities

Version:

$Revision: 511426 $, $Date: 2007-02-24 22:25:02 -0500 (Sat, 24 Feb 2007) $

Constructor Summary

DBObserver()

Method Summary

abstract void	createCollection(Collection col) Called after Collection.create()
abstract void	dropCollection(Collection col) Called before Collection.drop()
abstract void	dropDocument(Collection col, Key key) Called before Collection.remove(key)
abstract void	flushDatabaseConfig(Database db, Configuration cfg) Called after Database.flushConfig()
static DBObserver	getInstance() Returns the observer instance, must be non-null
abstract void	loadDocument(Collection col, Record record, org.w3c.dom.Document document) Called after Collection.getDocument()
abstract void	putDocument(Collection col, Key key, org.w3c.dom.Document document, boolean create) Called after Collection.putDocument()
abstract void	setCollectionConfig(Collection col, Configuration cfg) Called after Collection.setConfig()
abstract void	setDatabaseConfig(Database db, Map collections, Configuration cfg) Called after Database.setConfig()
static void	setInstance(DBObserver obs) Sets the default observer instance

Methods inherited from class java.lang.Object

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

Constructor Detail

DBObserver

public DBObserver()

Method Detail

setInstance

public static void setInstance(DBObserver obs)

Sets the default observer instance

getInstance

public static DBObserver getInstance()

Returns the observer instance, must be non-null

setDatabaseConfig

public abstract void setDatabaseConfig(Database db,
                                       Map collections,
                                       Configuration cfg)

Called after Database.setConfig()

setCollectionConfig

public abstract void setCollectionConfig(Collection col,
                                         Configuration cfg)

Called after Collection.setConfig()

flushDatabaseConfig

public abstract void flushDatabaseConfig(Database db,
                                         Configuration cfg)

Called after Database.flushConfig()

dropCollection

public abstract void dropCollection(Collection col)
                             throws DBException

Called before Collection.drop()

createCollection

public abstract void createCollection(Collection col)
                               throws DBException

Called after Collection.create()

putDocument

public abstract void putDocument(Collection col,
                                 Key key,
                                 org.w3c.dom.Document document,
                                 boolean create)
                          throws DBException

Called after Collection.putDocument()

loadDocument

public abstract void loadDocument(Collection col,
                                  Record record,
                                  org.w3c.dom.Document document)
                           throws DBException

Called after Collection.getDocument()

dropDocument

public abstract void dropDocument(Collection col,
                                  Key key)
                           throws DBException

Called before Collection.remove(key)