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1 package com.daffodilwoods.daffodildb.server.serversystem.datatriggersystem;
2
3 import com.daffodilwoods.daffodildb.server.datadictionarysystem.*;
4 import com.daffodilwoods.daffodildb.server.serversystem.dmlvalidation.constraintsystem.*;
5 import com.daffodilwoods.daffodildb.server.serversystem.dmlvalidation.triggersystem.*;
6 import com.daffodilwoods.daffodildb.utils.comparator.*;
7 import com.daffodilwoods.database.general.*;
8 import com.daffodilwoods.database.resource.*;
9 import java.util.ArrayList  ;
10 public class DataTriggerSystem implements _DataTriggerSystem{
11 private _ConstraintSystem constraintSystemImm;
12 private _ConstraintSystem constraintSystemDeff;
13 private _TriggerSystem triggerSystem;
14 private _DataDictionarySystem dataDictionarySystem;
15 private WeakOrderedKeyList dataTriggerDatabaseList = new WeakOrderedKeyList( new CTusjohDbtfJoTfotjujwfDpnqbsbups() );
16
17 public DataTriggerSystem( _ConstraintSystem constraintSystemImmediate, _ConstraintSystem constraintSystemDeffered , _TriggerSystem triggerSystem, _DataDictionarySystem dataDictionarySystem ) throws DException {
18 constraintSystemDeff = constraintSystemDeffered;
19 constraintSystemImm = constraintSystemImmediate;
20 this.triggerSystem = triggerSystem;
21 this.dataDictionarySystem = dataDictionarySystem;
22 }
23
24 public synchronized _DataTriggerDatabase getDataTrigerDatabase( String databaseURL ) throws DException {
25 _DataTriggerDatabase dataTriggerDatabase = (_DataTriggerDatabase)dataTriggerDatabaseList.get(databaseURL);
26 if( dataTriggerDatabase != null )
27 return dataTriggerDatabase;
28 _ConstraintDatabase constraintDatabaseImm = constraintSystemImm.getConstraintDatabase( databaseURL );
29 _ConstraintDatabase constraintDatabaseDeff = constraintSystemDeff.getConstraintDatabase(databaseURL);
30 _TriggerDatabase triggerDatabase = triggerSystem.getTriggerDatabase(databaseURL);
31 _DataDictionary dataDictionary = dataDictionarySystem.getDataDictionary(databaseURL);
32 dataTriggerDatabase = new DataTriggerDatabase(constraintDatabaseImm,constraintDatabaseDeff , triggerDatabase, dataDictionary,databaseURL );
33 dataTriggerDatabaseList.put( databaseURL, dataTriggerDatabase );
34
35 return dataTriggerDatabase;
36 }
37
38 public void deleteDatabase(String databaseURL) throws DException{
39 dataTriggerDatabaseList.remove(databaseURL);
40 triggerSystem.deleteDatabase(databaseURL);
41 }
42
43 }
44 |
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