1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
/*
* This file is part of rasdaman community.
*
* Rasdaman community is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Rasdaman community is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with rasdaman community. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
rasdaman GmbH.
*
* For more information please see <http://www.rasdaman.org>
* or contact Peter Baumann via <baumann@rasdaman.com>.
*/
/*************************************************************
*
*
* PURPOSE: Example Java program for reading a query out of a file
* and send it to the server and write the result into a log file
*
*
************************************************************/
import rasj.*;
import rasj.odmg.*;
import org.odmg.*;
import java.util.*;
import java.io.*;
/**
* Example Java program for reading a query out of a file
* and send it to the server and write the result into a log file
*
* set the server name with -server, the database name with -database, the collection name with -collection,
* set port number with -port, the user login with -user, the password with -passwd,
* the path to log file with -logfile, path to query file with -queryfile
*/
public class Query
{
public static void main( String[] args )
{
String server = "localhost";
String port = "7001";
String base = "RASBASE";
String coll = "rockies";
String user = "rasguest";
String passwd = "rasguest";
String file = "";
String query = "";
String log = "";
String ret = "";
for (int i=args.length-1; i>=0; i--)
{
//System.out.println(args[i]);
if (args[i].equals("-server"))
server = args[i+1];
if (args[i].equals("-port"))
port = args[i+1];
if (args[i].equals("-database"))
base = args[i+1];
if (args[i].equals("-collection"))
coll = args[i+1];
if (args[i].equals("-logfile"))
log = args[i+1];
if (args[i].equals("-user"))
user = args[i+1];
if (args[i].equals("-passwd"))
passwd = args[i+1];
if (args[i].equals("-queryfile"))
{
try
{
file = args[i+1];
//System.out.println(file);
FileReader fr = new FileReader(file);
BufferedReader in = new BufferedReader(fr);
String s;
while((s = in.readLine()) != null)
{
String t = s.trim();
while(t.regionMatches(0, "--", 0, 2))
{
s = in.readLine();
t = s.trim();
}
query = query +" "+ s;
}
}
catch(FileNotFoundException e)
{
ret = ret+" Query-file not found!"+e.getMessage();
System.err.println(ret);
}
catch(IOException e)
{
ret = ret+" Could not read Query-file!"+e.getMessage();
System.err.println(ret);
}
}
}
Transaction myTa = null;
Database myDb = null;
int accessMode = Database.OPEN_READ_ONLY;
try
{
Implementation myApp = new RasImplementation("http://"+server+":"+port);
((RasImplementation)myApp).setUserIdentification(user, passwd);
OQLQuery myQu = myApp.newOQLQuery();
if(query.equals(""))
query="select avg_cells(a) from "+ coll+" as a";
//query="create collection UpdateULong1 ULongSet";
//query="insert into UpdateULong1 values $1";
myQu.create(query);
StringTokenizer strTok = new StringTokenizer(query, "$");
RasMInterval domain;
RasGMArray mddConst;
if(strTok.hasMoreTokens())
strTok.nextToken();
while(strTok.hasMoreTokens())
{
strTok.nextToken();
domain = new RasMInterval("[0:10,0:10]");
RasStorageLayout stl = new RasStorageLayout();
stl.setTileSize(100);
mddConst = new RasGMArray(domain, 4, stl);
mddConst.setObjectTypeName("ULongImage");
//System.out.println(mddConst);
myQu.bind(mddConst);
}
//check if is an update Query
if((query.indexOf("select") == -1) &&
(query.indexOf("SELECT") == -1))
accessMode = Database.OPEN_READ_WRITE;
myDb = myApp.newDatabase();
//System.out.println( "Opening database ..." );
myDb.open( base, accessMode );
//System.out.println( "Starting transaction ..." );
myTa = myApp.newTransaction();
myTa.begin();
//System.out.println( "Executing query..." );
DBag result = (DBag) myQu.execute();
//System.out.println( "Committing transaction ..." );
myTa.commit();
//System.out.println( "Closing database ..." );
myDb.close();
//System.out.println( " Done." );
}
catch(RasException e)
{
ret = ret+"RasException: "+e.getMessage();
System.err.println(ret);
}
catch (org.odmg.ODMGException e)
{
ret = ret + query + "\n Failed:\n " + e.getMessage() + "\n";
System.err.println(ret);
//System.err.println("Try to abort the transaction ...");
if(myTa != null) myTa.abort();
try
{
//System.err.println("Try to close the database ...");
if(myDb != null) myDb.close();
}
catch ( org.odmg.ODMGException exp )
{
ret = ret+" Could not close the database: " + exp.getMessage();
System.err.println(ret);
}
}
if(!log.equals(""))
{
try
{
FileOutputStream fos = new FileOutputStream(log, true);
PrintWriter pw = new PrintWriter(fos);
if(ret.equals(""))
ret = "OK.";
pw.write(ret);
pw.close();
}
catch(FileNotFoundException e)
{
ret = ret+" Log-file not found!"+e.getMessage();
System.out.println(ret);
}
catch(IOException e)
{
ret = ret+" Could not write Log-file!"+e.getMessage();
System.out.println(ret);
}
}
}
}
|
