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1 package com.daffodilwoods.daffodildb.server.datasystem.persistentsystem.
2 versioninfo;
3
4 import com.daffodilwoods.database.resource.DException;
5 import com.daffodilwoods.daffodildb.server.datasystem.persistentsystem.Cluster;
6 import com.daffodilwoods.daffodildb.server.datasystem.persistentsystem.
7 TableManager;
8 import com.daffodilwoods.daffodildb.server.datasystem.interfaces._DatabaseUser;
9 import com.daffodilwoods.daffodildb.utils.byteconverter.CCzufDpowfsufs;
10 import com.daffodilwoods.daffodildb.server.datasystem.persistentsystem.
11 PersistentDatabase;
12 import com.daffodilwoods.daffodildb.server.datasystem.persistentsystem.
13 DatabaseProperties;
14 import com.daffodilwoods.daffodildb.server.datasystem.persistentsystem.
15 _RecordCluster;
16 import com.daffodilwoods.daffodildb.server.datasystem.persistentsystem.
17 TableProperties;
18 import com.daffodilwoods.daffodildb.utils.comparator.SuperComparator;
19 import com.daffodilwoods.daffodildb.server.datasystem.interfaces._Index;
20 import com.daffodilwoods.daffodildb.server.datasystem.indexsystem.
21 _BTreeCharacteristics;
22 import com.daffodilwoods.daffodildb.server.datasystem.btree._NodeManager;
23 import com.daffodilwoods.daffodildb.server.datasystem.indexsystem.
24 IndexColumnInformation;
25 import com.daffodilwoods.daffodildb.server.datasystem.interfaces.
26 _ClusterProvider;
27 import com.daffodilwoods.daffodildb.utils.byteconverter.CbCUsffWbmvfIboemfs;
28 import com.daffodilwoods.database.general.QualifiedIdentifier;
29 import com.daffodilwoods.daffodildb.server.datasystem.interfaces._TableIterator;
30 import com.daffodilwoods.daffodildb.server.datasystem.interfaces._TableCharacteristics;
31 import com.daffodilwoods.daffodildb.server.datasystem.indexsystem._IndexInformation;
32 import com.daffodilwoods.daffodildb.server.datasystem.persistentsystem.PowerFileFactory;
33 import com.daffodilwoods.daffodildb.server.datasystem.persistentsystem.DRandomAccessFileUpto3_2;
34 import com.daffodilwoods.daffodildb.server.datasystem.persistentsystem.DRandomAccessFile;
35 import java.io.RandomAccessFile  ;
36 import com.daffodilwoods.daffodildb.server.datasystem.persistentsystem.FileGenerator;
37 import com.daffodilwoods.daffodildb.server.datasystem.persistentsystem.EncryptDRandomAccessFile;
38 import com.daffodilwoods.daffodildb.server.datasystem.encryptdecrypt.EDBlockCipher;
39
40 public abstract class VersionHandler {
41 public short CLUSTER_STARTPOINTER = 30;
42 public int ADDRESSLENGTH = 8; public int NEWADDRESSLENGTH = 4;
44 public int LENGTH = 2; public byte DELETE = 1;
46 public byte ACTIVE = 0;
47 public byte UPDATE = 2;
48 public byte RETRIEVE = 5;
49 public byte COMPLETE = 3;
50 public byte PARTIALLY = 4;
51 public byte NULL = 1;
52 public byte NOTNULL = 0;
53 public byte FULL = -1;
54 public int BLOBBYTESFORUPDATE = 1000;
55 public byte[] POWERFILEACTIVE = new byte[]{0};
56 public byte[] POWERFILEDELETE = new byte[]{1};
57
58 public int UPDATEBYTES = 40;
59 public byte[] UPDATABLEMEMORY = CCzufDpowfsufs.getBytes(new Long (50));
60 public String INITIALFILESIZE = "5 MB";
61 public int INCREMENTFACTOR = 100;
62 public String UNICODESUPPORT = "";
63 public String MULTIFILESUPPORT = "";
64 public long DEFAULTTIMEINTERVALFORBACKUP = 172800000;
65 public long TIMEFORWAIT = 50000;
66 public long SYSTEMDATABASELENGTH = 3 * 1024 * 1024;
67 public int PREVIOUSCLUSTERADDRESS = 6;
68 public String SYSTEMDATABASE = "systemdatabase";
69 public String TEMPDATABASE = "temp";
70
71 public String INCONSISTENTONLINEBACKUP = "inconsistentOnlineBackup";
72 public int DATABASEINFOSTORED = 1200;
73 public String DEFAULTCLUSTERSIZE = "16384";
74 public int TABLEINFO_CATALOGNAME = 0;
75 public int TABLEINFO_SCHEMANAME = 1;
76 public int TABLEINFO_TABLENAME = 2;
77 public int TABLEINFO_STARTCLUSTERADDRESS = 3;
78 public int TABLEINFO_LASTCLUSTERADDRESS = 4;
79
80 public int COLUMNINFO_CATALOGNAME = 0;
81 public int COLUMNINFO_SCHEMANAME = 1;
82 public int COLUMNINFO_TABLENAME = 2;
83 public int COLUMNINFO_COLUMNNAME = 3;
84 public int COLUMNINFO_COLUMNTYPE = 4;
85 public int COLUMNINFO_COLUMNSIZE = 5;
86 public int COLUMNINFO_COLUMNINDEX = 6;
87 public int POWERFAILUREBITPOSITION = 1600;
88 public String DATABASEVERSION = "01.01.02.10";
89 public int DATABASECODE = 1000;
90 public int VERSIONCODE = 1100;
91
92 public String DEFAULT_ALGO = "aes";
93 public String NONE = "<none>";
94 public String DEFAULT_KEY = "daffodil";
95
96 public int TABLEKEY_LENGTH = 6;
97 public int CHILD_LENGTH = 4;
98
99 public int PARENTNODEADDRESS = 30;
100 public int LEVEL_NODE = 34;
101 public int IS_LEAFNODE = 36;
102 public short BTREECLUSTER_STARTPOINTER = 37;
103 public byte TRUE = 1;
104 public byte FALSE = 0;
105
106 public int BLOBROWHEADER = 8;
107 public int LOBACTIVEBYTE = 1;
108 public int LOBFULLBYTE = 1;
109 public int LOBRECORDLENGTH = 4;
110 public int LOBSPAREBYTE = 1;
111 public int ACTIVE_DELETE = 1;
112 public int FULL_PARTIAL = 1;
113
114 public long ACTIVE_BYTE_POSITION_IN_POWERFILE = 0;
115 public long LENGTH_POSITION_IN_POWERFILE = 1;
116
117 public int FIXEDRECORDCLUSTER = 0;
118 public int PARTIALFIXEDRECORDCLUSTER = 1;
119 public int VARIABLERECORDCLUSTER = 2;
120 public int PARTIALVARIABLERECORDCLUSTER = 3;
121
122 public VersionHandler() {
123 }
124
125 public abstract void writeInfoForSystemTables(Cluster startCluster,
126 PersistentDatabase
127 persistentDatabase) throws
128 DException;
129
130 public abstract void initializeSystemTables(TableManager tableManager,
131 _DatabaseUser user,
132 byte[] bytes, String databaseName) throws
133 DException;
134
135 public abstract DatabaseProperties getDatabaseProperties() throws DException;
136
137 public abstract _RecordCluster getRecordCluster(TableProperties
138 tableProperties,
139 DatabaseProperties
140 databaseProperties) throws
141 DException;
142
143 public abstract void setClusterSize(int clusterSize0);
144 public abstract int getClusterSize();
145
146 public abstract boolean isFullTextSupported();
147
148 public abstract boolean isBackUpSupported();
149 public abstract _Index getIndex(SuperComparator comparator0,_BTreeCharacteristics btreeCharacteristics0,IndexColumnInformation iinf1,_ClusterProvider clusterProvider0, int address,CbCUsffWbmvfIboemfs handler0,boolean isDefault) throws DException;
150 public abstract _IndexInformation getIndexInformation(QualifiedIdentifier tableName,String indexName,QualifiedIdentifier indexTableName,_TableIterator iterator,_TableCharacteristics tc) throws DException;
151 public abstract double getDbVersion();
152 public abstract boolean isDefault(String [] indexColumnNames);
153 public abstract Object [][] getDefaultIndexStructure() ;
154
155 public PowerFileFactoryUpto3_2 getPowerFileFactory(String databaseURL){
156 if(getDbVersion() > 3.2 )
157 return new PowerFileFactory(databaseURL);
158 else
159 return new PowerFileFactoryUpto3_2(databaseURL);
160 }
161
162 public DRandomAccessFileUpto3_2 getDRandomAccessFile(RandomAccessFile raf0,long fileSize0,String databaseURL0,int incrementFactor0,boolean multiFileSupport1,FileGenerator fileGenerator0 ,int clusterSize0) throws DException{
163 if(getDbVersion() > 3.2 )
164 return new DRandomAccessFile(raf0, fileSize0, databaseURL0, incrementFactor0, multiFileSupport1, fileGenerator0 ,clusterSize0);
165 else
166 return new DRandomAccessFileUpto3_2(raf0, fileSize0, databaseURL0, incrementFactor0, multiFileSupport1, fileGenerator0 ,clusterSize0);
167 }
168
169 public String getTempFileName(String fileName){
170 if(getDbVersion() > 3.2 )
171 return "_tempFile.swp";
172 else
173 return fileName+"_tempFile.swp";
174 }
175
176 public DRandomAccessFileUpto3_2 getEncryptDRandomAccessFile(RandomAccessFile raf0,long fileSize0,String databaseURL0,int incrementFactor0,boolean multiFileSupport1,FileGenerator fileGenerator0,EDBlockCipher bolckCipher0,int clusterSize ) throws DException{
177 if(getDbVersion() > 3.2 )
178 return new EncryptDRandomAccessFile(raf0, fileSize0, databaseURL0, incrementFactor0, multiFileSupport1, fileGenerator0 ,bolckCipher0,clusterSize);
179 else
180 return new EncryptDRandomAccessFileUpto3_2(raf0, fileSize0, databaseURL0, incrementFactor0, multiFileSupport1, fileGenerator0 ,bolckCipher0,clusterSize);
181 }
182
183 public abstract String getVersionCode();
184 public abstract String getDefaultClusterSize();
185
186 }
187 |
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