com.dbxml.db.core.trigger
Class TriggerManager

java.lang.Object
  com.dbxml.util.SimpleConfigurable
      com.dbxml.db.core.trigger.TriggerManager

All Implemented Interfaces:

Configurable

public class TriggerManager

extends SimpleConfigurable

TriggerManager manages Trigger instances

Constructor Summary

TriggerManager(Collection collection)

Method Summary

Trigger	create(Configuration cfg) create creates a new Trigger object and any associated system resources that the Trigger will need.
boolean	drop(java.lang.String name) drop physically removes the specified Trigger and any associated system resources that the Trigger uses.
void	fireAfterDelete(Transaction tx, Key key, java.lang.Object oldObj) fireAfterDelete fires afterDelete events to all of the registered Triggers, unless a DBException is thrown.
void	fireAfterGet(Transaction tx, Key key, java.lang.Object obj) fireAfterGet fires afterGet events to all of the registered Triggers, unless a DBException is thrown.
void	fireAfterInsert(Transaction tx, Key key, java.lang.Object newObj) fireAfterInsert fires afterInsert events to all of the registered Triggers, unless a DBException is thrown.
void	fireAfterUpdate(Transaction tx, Key key, java.lang.Object oldObj, java.lang.Object newObj) fireAfterUpdate fires afterUpdate events to all of the registered Triggers, unless a DBException is thrown.
void	fireBeforeDelete(Transaction tx, Key key, java.lang.Object oldObj) fireBeforeDelete fires beforeDelete events to all of the registered Triggers, unless a DBException is thrown.
void	fireBeforeGet(Transaction tx, Key key) fireBeforeGet fires beforeGet events to all of the registered Triggers, unless a DBException is thrown.
java.lang.Object	fireBeforeInsert(Transaction tx, Key key, java.lang.Object newObj) fireBeforeInsert fires beforeInsert events to all of the registered Triggers, unless a DBException is thrown.
java.lang.Object	fireBeforeUpdate(Transaction tx, Key key, java.lang.Object oldObj, java.lang.Object newObj) fireBeforeUpdate fires beforeUpdate events to all of the registered Triggers, unless a DBException is thrown.
Trigger	get(java.lang.String name) get retrieves an Trigger by name, and will also do the work of instantiation and pool-retrieval.
java.lang.String	getCanonicalName(java.lang.String name)
java.lang.String[]	list() list returns a list of the Triggers that this TriggerManager has registered.
void	setConfig(Configuration config) setConfig sets the configuration information for the Configurable object instance.

Methods inherited from class com.dbxml.util.SimpleConfigurable

getConfig

Methods inherited from class java.lang.Object

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

Constructor Detail

TriggerManager

public TriggerManager(Collection collection)

Method Detail

setConfig

public void setConfig(Configuration config)
               throws dbXMLException

Description copied from interface: Configurable

setConfig sets the configuration information for the Configurable object instance.

Specified by:

setConfig in interface Configurable

Overrides:

setConfig in class SimpleConfigurable

Throws:

dbXMLException

list

public java.lang.String[] list()

list returns a list of the Triggers that this TriggerManager has registered.

Returns:

An array containing the Trigger names

drop

public boolean drop(java.lang.String name)
             throws DBException

drop physically removes the specified Trigger and any associated system resources that the Trigger uses.

Parameters:

name - The Trigger to drop

Returns:

Whether or not the Trigger was dropped

Throws:

DBException

create

public Trigger create(Configuration cfg)
               throws DBException

create creates a new Trigger object and any associated system resources that the Trigger will need.

Parameters:

cfg - The Trigger's configuration

Returns:

The Trigger that was created

Throws:

DBException

get

public Trigger get(java.lang.String name)
            throws DBException

get retrieves an Trigger by name, and will also do the work of instantiation and pool-retrieval.

Parameters:

name - The Trigger name

Returns:

The Trigger

Throws:

DBException

getCanonicalName

public java.lang.String getCanonicalName(java.lang.String name)

fireBeforeInsert

public java.lang.Object fireBeforeInsert(Transaction tx,
                                         Key key,
                                         java.lang.Object newObj)
                                  throws DBException

fireBeforeInsert fires beforeInsert events to all of the registered Triggers, unless a DBException is thrown.

Parameters:

tx - The controlling Transaction

key - The Object Key

newObj - the new Object

Returns:

The modified or original new Object

Throws:

DBException

fireAfterInsert

public void fireAfterInsert(Transaction tx,
                            Key key,
                            java.lang.Object newObj)
                     throws DBException

fireAfterInsert fires afterInsert events to all of the registered Triggers, unless a DBException is thrown.

Parameters:

tx - The controlling Transaction

key - The Object Key

newObj - The new Object

Throws:

DBException

fireBeforeUpdate

public java.lang.Object fireBeforeUpdate(Transaction tx,
                                         Key key,
                                         java.lang.Object oldObj,
                                         java.lang.Object newObj)
                                  throws DBException

fireBeforeUpdate fires beforeUpdate events to all of the registered Triggers, unless a DBException is thrown.

Parameters:

tx - The controlling Transaction

key - The Object Key

oldObj - The old Object

newObj - The new Object

Returns:

The modified or original new Object*

Throws:

DBException

fireAfterUpdate

public void fireAfterUpdate(Transaction tx,
                            Key key,
                            java.lang.Object oldObj,
                            java.lang.Object newObj)
                     throws DBException

fireAfterUpdate fires afterUpdate events to all of the registered Triggers, unless a DBException is thrown.

Parameters:

tx - The controlling Transaction

key - The Object Key

oldObj - The old Object

newObj - The new Object

Throws:

DBException

fireBeforeDelete

public void fireBeforeDelete(Transaction tx,
                             Key key,
                             java.lang.Object oldObj)
                      throws DBException

fireBeforeDelete fires beforeDelete events to all of the registered Triggers, unless a DBException is thrown.

Parameters:

tx - The controlling Transaction

key - The Object Key

oldObj - The old Object

Throws:

DBException

fireAfterDelete

public void fireAfterDelete(Transaction tx,
                            Key key,
                            java.lang.Object oldObj)
                     throws DBException

fireAfterDelete fires afterDelete events to all of the registered Triggers, unless a DBException is thrown.

Parameters:

tx - The controlling Transaction

key - The Object Key

oldObj - The old Object

Throws:

DBException

fireBeforeGet

public void fireBeforeGet(Transaction tx,
                          Key key)
                   throws DBException

fireBeforeGet fires beforeGet events to all of the registered Triggers, unless a DBException is thrown.

Parameters:

tx - The controlling Transaction

key - The Object Key

Throws:

DBException

fireAfterGet

public void fireAfterGet(Transaction tx,
                         Key key,
                         java.lang.Object obj)
                  throws DBException

fireAfterGet fires afterGet events to all of the registered Triggers, unless a DBException is thrown.

Parameters:

tx - The controlling Transaction

key - The Object Key

obj - The Object

Throws:

DBException