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1
5 package org.h2.engine;
6
7 import java.sql.SQLException  ;
8
9 import org.h2.command.Parser;
10 import org.h2.message.Message;
11 import org.h2.message.Trace;
12 import org.h2.table.Table;
13 import org.h2.util.ObjectArray;
14
15
18
19 public abstract class DbObject {
20 public static final int TABLE_OR_VIEW=0, INDEX=1, USER=2, SEQUENCE=3, TRIGGER=4;
21 public static final int CONSTRAINT = 5, SETTING = 6, ROLE = 7, RIGHT = 8, FUNCTION_ALIAS = 9;
22 public static final int SCHEMA = 10, CONSTANT = 11;
23 public static final int USER_DATATYPE = 12, COMMENT = 13;
24
25 protected String comment;
26
27 static int getCreateOrder(int type) {
28 switch(type) {
29 case SETTING:
30 return 0;
31 case USER:
32 return 1;
33 case SCHEMA:
34 return 2;
35 case USER_DATATYPE:
36 return 3;
37 case SEQUENCE:
38 return 4;
39 case CONSTANT:
40 return 5;
41 case FUNCTION_ALIAS:
42 return 6;
43 case TABLE_OR_VIEW:
44 return 7;
45 case INDEX:
46 return 8;
47 case CONSTRAINT:
48 return 9;
49 case TRIGGER:
50 return 10;
51 case ROLE:
52 return 11;
53 case RIGHT:
54 return 12;
55 case COMMENT:
56 return 13;
57 default:
58 throw Message.getInternalError("type="+type);
59 }
60 }
61
62 private int id;
63 protected Database database;
64 protected Trace trace;
65 private String objectName;
66 private long modificationId;
67 private boolean temporary;
68
69 protected DbObject(Database database, int id, String name, String traceModule) {
70 this.database = database;
71 this.trace = database.getTrace(traceModule);
72 this.id = id;
73 this.objectName = name;
74 this.modificationId = database.getModificationMetaId();
75 }
76
77 public void setModified() {
78 this.modificationId = database == null ? -1 : database.getNextModificationMetaId();
79 }
80
81 public long getModificationId() {
82 return modificationId;
83 }
84
85 protected void setObjectName(String name) {
86 objectName = name;
87 }
88
89 public String getSQL() {
90 return Parser.quoteIdentifier(objectName);
91 }
92
93 public ObjectArray getChildren() {
94 return null;
95 }
96
97 public Database getDatabase() {
98 return database;
99 }
100
101 public int getId() {
102 return id;
103 }
104
105 public String getName() {
106 return objectName;
107 }
108
109 public abstract String getCreateSQLForCopy(Table table, String quotedName);
110 public abstract String getCreateSQL();
111 public abstract int getType();
112 public abstract void removeChildrenAndResources(Session session) throws SQLException ;
113 public abstract void checkRename() throws SQLException ;
114
115 protected void invalidate() {
116 setModified();
117 id = -1;
118 database = null;
119 trace = null;
120 objectName = null;
121 }
122
123 protected int getHeadPos() {
124 return 0;
125 }
126
127 public void rename(String newName) throws SQLException {
128 checkRename();
129 objectName = newName;
130 setModified();
131 }
132
133 public boolean getTemporary() {
134 return temporary;
135 }
136
137 public void setTemporary(boolean temporary) {
138 this.temporary = temporary;
139 }
140
141 public void setComment(String comment) {
142 this.comment = comment;
143 }
144
145 public String getComment() {
146 return comment;
147 }
148
149 }
150 |
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