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java.lang.Objectorg.apache.derby.impl.sql.execute.TriggerEventActivator
Responsible for firing a trigger or set of triggers based on an event.
Field Summary | |
private Activation |
activation
|
private java.util.Vector |
aiCounters
|
private ConnectionContext |
cc
|
private int |
dmlType
|
private GenericTriggerExecutor[][] |
executors
|
private LanguageConnectionContext |
lcc
|
private java.lang.String |
statementText
|
private UUID |
tableId
|
private java.lang.String |
tableName
|
private TransactionController |
tc
|
private InternalTriggerExecutionContext |
tec
|
private TriggerInfo |
triggerInfo
|
Constructor Summary | |
TriggerEventActivator(LanguageConnectionContext lcc,
TransactionController tc,
UUID tableId,
TriggerInfo triggerInfo,
int dmlType,
Activation activation,
java.util.Vector aiCounters)
Basic constructor |
Method Summary | |
void |
cleanup()
Clean up and release resources. |
void |
notifyEvent(TriggerEvent event,
CursorResultSet brs,
CursorResultSet ars)
Handle the given event. |
(package private) void |
reopen()
Reopen the trigger activator. |
private void |
setupExecutors(TriggerInfo triggerInfo)
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
private LanguageConnectionContext lcc
private TransactionController tc
private TriggerInfo triggerInfo
private InternalTriggerExecutionContext tec
private GenericTriggerExecutor[][] executors
private Activation activation
private ConnectionContext cc
private java.lang.String statementText
private int dmlType
private UUID tableId
private java.lang.String tableName
private java.util.Vector aiCounters
Constructor Detail |
public TriggerEventActivator(LanguageConnectionContext lcc, TransactionController tc, UUID tableId, TriggerInfo triggerInfo, int dmlType, Activation activation, java.util.Vector aiCounters) throws StandardException
lcc
- the lcctc
- the xact controllertriggerInfo
- the trigger informationdmlType
- Type of DML for which this trigger is being fired.activation
- the activation.aiCounters
- vector of ai counters
StandardException
- on errorMethod Detail |
void reopen() throws StandardException
StandardException
- on errorprivate void setupExecutors(TriggerInfo triggerInfo) throws StandardException
StandardException
public void notifyEvent(TriggerEvent event, CursorResultSet brs, CursorResultSet ars) throws StandardException
event
- a trigger eventbrs
- the before result set. Typically
a TemporaryRowHolderResultSet but sometimes a
BulkTableScanResultSetars
- the after result set. Typically
a TemporaryRowHolderResultSet but sometimes a
BulkTableScanResultSet
StandardException
- on errorpublic void cleanup() throws StandardException
StandardException
- on unexpected error
|
Built on Tue 2006-10-10 19:23:47+0200, from revision exported | |||||||||
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