org.apache.derby.impl.sql.execute
Class StatementTriggerExecutor

java.lang.Object
  org.apache.derby.impl.sql.execute.GenericTriggerExecutor
      org.apache.derby.impl.sql.execute.StatementTriggerExecutor

public class StatementTriggerExecutor
extends GenericTriggerExecutor

A statement trigger executor is an object that executes a statement trigger. It is instantiated at execution time. There is one per statement trigger.

Field Summary

Fields inherited from class org.apache.derby.impl.sql.execute.GenericTriggerExecutor

activation, lcc, tec, triggerd

Constructor Summary

StatementTriggerExecutor(InternalTriggerExecutionContext tec, TriggerDescriptor triggerd, Activation activation, LanguageConnectionContext lcc)
Constructor

Method Summary

(package private) void

fireTrigger(TriggerEvent event, CursorResultSet brs, CursorResultSet ars, int[] colsReadFromTable) Fire the trigger based on the event.

Methods inherited from class org.apache.derby.impl.sql.execute.GenericTriggerExecutor

clearSPS, executeSPS, getAction, getWhenClause

Methods inherited from class java.lang.Object

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

Constructor Detail

StatementTriggerExecutor

StatementTriggerExecutor(InternalTriggerExecutionContext tec,
                         TriggerDescriptor triggerd,
                         Activation activation,
                         LanguageConnectionContext lcc)

Constructor

Parameters:

tec - the execution context

triggerd - the trigger descriptor

activation - the activation

lcc - the lcc

Method Detail

fireTrigger

void fireTrigger(TriggerEvent event,
                 CursorResultSet brs,
                 CursorResultSet ars,
                 int[] colsReadFromTable)
           throws StandardException

Fire the trigger based on the event.

Specified by:

fireTrigger in class GenericTriggerExecutor

Parameters:

event - the trigger event

brs - the before result set

ars - the after result set

colsReadFromTable - columns required from the trigger table by the triggering sql

Throws:

StandardException - on error or general trigger exception