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1 package com.daffodilwoods.daffodildb.server.datadictionarysystem;
2
3 import com.daffodilwoods.database.resource.*;
4 import com.daffodilwoods.daffodildb.server.serversystem.*;
5 import com.daffodilwoods.database.general.*;
6
7 import java.util.*;
8 import com.daffodilwoods.daffodildb.server.sql99.utils._Reference;
9 import com.daffodilwoods.daffodildb.utils.comparator.CTusjohDbtfJoTfotjujwfDpnqbsbups;
10 import com.daffodilwoods.daffodildb.utils.comparator.*;
11 import com.daffodilwoods.daffodildb.utils.comparator.CRvbmjgjfeDpnqbsbups;
12 public class SequenceManager implements _SequenceManager{
13 _DataDictionary dataDictionary;
14 WeakOrderedKeyList sequenceList ;
15
16 ServerSystem serverSystem;
17 String  databaseURL;
18
19
20
21 public SequenceManager(_DataDictionary dataDictionary0,ServerSystem serverSystem0, String databaseURL0){
22 dataDictionary = dataDictionary0;
23 serverSystem = serverSystem0;
24 databaseURL = databaseURL0;
25 sequenceList = new WeakOrderedKeyList(new CRvbmjgjfeDpnqbsbups());
26 }
27
28 public _SequenceGenerator getSequenceGenerator(QualifiedIdentifier sequenceIdentifier) throws DException {
29 _SequenceGenerator sequence = (_SequenceGenerator)sequenceList.get(sequenceIdentifier);
30 if(sequence != null)
31 return sequence;
32 _Sequence sequenceInformation = dataDictionary.getSequenceInformation(sequenceIdentifier);
33 Properties prop = new Properties();
34 prop.setProperty(_Server.USER, SystemTables.SYSTEM);
35 _Connection connection = serverSystem.get_Connection(databaseURL,prop);
36 sequence = new SequenceGenerator(sequenceInformation, sequenceIdentifier);
37 ((SequenceGenerator)sequence).setConenction(connection);
38
39 sequenceList.put(sequenceIdentifier, sequence );
40 return sequence;
41 }
42
43 public void removeSequence(QualifiedIdentifier sequenceName) throws DException{
44 sequenceList.remove(sequenceName);
45 }
46
47 }
48 |
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