Modifier and Type | Field and Description |
---|---|
protected boolean |
before
Whether the fire method is called before or after the operation is
performed.
|
protected String |
schemaName
The schema name.
|
protected String |
tableName
The name of the table.
|
protected String |
triggerName
The name of the trigger.
|
protected int |
type
The trigger type: INSERT, UPDATE, DELETE, SELECT, or a combination (a bit
field).
|
Constructor and Description |
---|
TriggerAdapter() |
Modifier and Type | Method and Description |
---|---|
void |
close()
This method is called when the trigger is dropped.
|
void |
fire(Connection conn,
Object[] oldRow,
Object[] newRow)
This method is called for each triggered action.
|
abstract void |
fire(Connection conn,
ResultSet oldRow,
ResultSet newRow)
This method is called for each triggered action by the default
fire(Connection conn, Object[] oldRow, Object[] newRow) method.
|
void |
init(Connection conn,
String schemaName,
String triggerName,
String tableName,
boolean before,
int type)
This method is called by the database engine once when initializing the
trigger.
|
void |
remove()
This method is called when the database is closed.
|
protected String schemaName
protected String triggerName
protected String tableName
protected boolean before
protected int type
public void init(Connection conn, String schemaName, String triggerName, String tableName, boolean before, int type) throws SQLException
init
in interface Trigger
conn
- a connection to the databaseschemaName
- the name of the schematriggerName
- the name of the trigger used in the CREATE TRIGGER
statementtableName
- the name of the tablebefore
- whether the fire method is called before or after the
operation is performedtype
- the operation type: INSERT, UPDATE, DELETE, SELECT, or a
combination (this parameter is a bit field)SQLException
public void fire(Connection conn, Object[] oldRow, Object[] newRow) throws SQLException
The row arrays contain all columns of the table, in the same order as defined in the table.
The default implementation calls the fire method with the ResultSet parameters.
fire
in interface Trigger
conn
- a connection to the databaseoldRow
- the old row, or null if no old row is available (for
INSERT)newRow
- the new row, or null if no new row is available (for
DELETE)SQLException
- if the operation must be undonepublic abstract void fire(Connection conn, ResultSet oldRow, ResultSet newRow) throws SQLException
For "before" triggers, the new values of the new row may be changed using the ResultSet.updateX methods.
conn
- a connection to the databaseoldRow
- the old row, or null if no old row is available (for
INSERT)newRow
- the new row, or null if no new row is available (for
DELETE)SQLException
- if the operation must be undonepublic void remove() throws SQLException
remove
in interface Trigger
SQLException
public void close() throws SQLException
close
in interface Trigger
SQLException
Copyright © 2020 JBoss by Red Hat. All rights reserved.