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## 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`

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Copyright (c) 2004 The dbXML Group