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SUMMARY: INNER | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Object | +--java.lang.Thread | +--org.hsqldb.TriggerDef
TriggerDef class declaration Definition and execution of triggers Development of the trigger implementation sponsored by Logicscope Realisations Ltd
Field Summary | |
protected boolean |
busy
|
(package private) static int |
DELETE_AFTER
|
(package private) static int |
DELETE_AFTER_ROW
|
(package private) static int |
DELETE_BEFORE
|
(package private) static int |
DELETE_BEFORE_ROW
|
(package private) java.lang.String |
fire
|
(package private) boolean |
forEachRow
|
(package private) static int |
INSERT_AFTER
|
(package private) static int |
INSERT_AFTER_ROW
|
(package private) static int |
INSERT_BEFORE
|
(package private) static int |
INSERT_BEFORE_ROW
|
(package private) java.lang.String |
name
|
(package private) static int |
NUM_TRIGGER_OPS
member variables |
(package private) static int |
NUM_TRIGS
|
(package private) java.lang.String |
operation
|
(package private) java.lang.Object[] |
rowForTrigger
|
(package private) Table |
table
|
(package private) Trigger |
trig
|
(package private) static int |
UPDATE_AFTER
|
(package private) static int |
UPDATE_AFTER_ROW
|
(package private) static int |
UPDATE_BEFORE
|
(package private) static int |
UPDATE_BEFORE_ROW
|
protected boolean |
valid
|
(package private) int |
vectorIndx
|
(package private) java.lang.String |
when
|
Fields inherited from class java.lang.Thread |
MAX_PRIORITY,
MIN_PRIORITY,
NORM_PRIORITY,
values |
Constructor Summary | |
TriggerDef(java.lang.String sName,
java.lang.String sWhen,
java.lang.String sOper,
boolean bForEach,
Table pTab,
Trigger pTrig,
java.lang.String sFire)
Constructor declaration create an object from the components of an SQL CREATE TRIGGER statement |
Method Summary | |
boolean |
isBusy()
Method declaration |
boolean |
isValid()
Method declaration |
static int |
numTrigs()
Method declaration |
void |
pop()
pop method declaration |
void |
push(java.lang.Object[] row)
push method declaration |
void |
run()
run method declaration |
int |
SqlToIndex()
SqlToIndex method declaration |
java.lang.StringBuffer |
toBuf()
Method declaration |
Methods inherited from class java.lang.Thread |
|
Methods inherited from class java.lang.Object |
clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
wait,
wait,
wait |
Field Detail |
static final int NUM_TRIGGER_OPS
static final int NUM_TRIGS
static final int INSERT_AFTER
static final int DELETE_AFTER
static final int UPDATE_AFTER
static final int INSERT_BEFORE
static final int DELETE_BEFORE
static final int UPDATE_BEFORE
static final int INSERT_AFTER_ROW
static final int DELETE_AFTER_ROW
static final int UPDATE_AFTER_ROW
static final int INSERT_BEFORE_ROW
static final int DELETE_BEFORE_ROW
static final int UPDATE_BEFORE_ROW
java.lang.String name
java.lang.String when
java.lang.String operation
boolean forEachRow
Table table
Trigger trig
java.lang.String fire
int vectorIndx
java.lang.Object[] rowForTrigger
protected boolean busy
protected boolean valid
Constructor Detail |
public TriggerDef(java.lang.String sName, java.lang.String sWhen, java.lang.String sOper, boolean bForEach, Table pTab, Trigger pTrig, java.lang.String sFire)
sName
- sWhen
- sOper
- bForEach
- pTab
- pTrig
- sFire
- Method Detail |
public java.lang.StringBuffer toBuf()
public int SqlToIndex()
Given the SQL creating the trigger, say what the index to the Vector[] is
public void run()
the trigger JSP is run in its own thread here. Its job is simply to wait until it is told by the main thread that it should fire the trigger.
public void pop()
The consumer (trigger) thread waits for an event to be queued
Note: This push/pop pairing assumes a single produced thread and a single consumer thread _only_.
public void push(java.lang.Object[] row)
The main thread tells the trigger thread to fire by this call
row[]
- public static int numTrigs()
public boolean isBusy()
public boolean isValid()
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