01: package net.sourceforge.squirrel_sql.plugins.oracle.tab;
02:
03: /*
04: * Copyright (C) 2002 Colin Bell
05: * colbell@users.sourceforge.net
06: *
07: * This library is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU Lesser General Public
09: * License as published by the Free Software Foundation; either
10: * version 2.1 of the License, or (at your option) any later version.
11: *
12: * This library is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: * Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public
18: * License along with this library; if not, write to the Free Software
19: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20: */
21: import java.sql.PreparedStatement;
22: import java.sql.SQLException;
23:
24: import net.sourceforge.squirrel_sql.client.session.ISession;
25: import net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.tabs.BasePreparedStatementTab;
26: import net.sourceforge.squirrel_sql.fw.sql.IDatabaseObjectInfo;
27: import net.sourceforge.squirrel_sql.fw.util.StringManager;
28: import net.sourceforge.squirrel_sql.fw.util.StringManagerFactory;
29: import net.sourceforge.squirrel_sql.plugins.oracle.OraclePlugin;
30:
31: /**
32: * This class will display the details for an Oracle instance.
33: *
34: * @author <A HREF="mailto:colbell@users.sourceforge.net">Colin Bell</A>
35: */
36: public class InstanceDetailsTab extends BasePreparedStatementTab {
37: private static final StringManager s_stringMgr = StringManagerFactory
38: .getStringManager(InstanceDetailsTab.class);
39:
40: /**
41: * This interface defines locale specific strings. This should be
42: * replaced with a property file.
43: */
44: private interface i18n {
45: // i18n[oracle.instanceDetails=Details]
46: String TITLE = s_stringMgr.getString("oracle.instanceDetails");
47: // i18n[oracle.displaySnstanceDetails=Display instance details]
48: String HINT = s_stringMgr
49: .getString("oracle.displaySnstanceDetails");
50: }
51:
52: /** SQL that retrieves the data. */
53: private static String SQL = "select instance_number, instance_name, host_name, version,"
54: + " startup_time, status, parallel, thread#, archiver, log_switch_wait,"
55: + " logins, shutdown_pending, database_status, instance_role"
56: + " from sys.v_$instance" + " where instance_number = ?";
57:
58: /** SQL that is used to see if the session has access to query this info */
59: private static String CHECK_ACCESS_SQL = "select instance_number, instance_name, host_name, version,"
60: + " startup_time, status, parallel, thread#, archiver, log_switch_wait,"
61: + " logins, shutdown_pending, database_status, instance_role"
62: + " from sys.v_$instance";
63:
64: public InstanceDetailsTab() {
65: super (i18n.TITLE, i18n.HINT, true);
66: }
67:
68: /**
69: */
70: protected PreparedStatement createStatement() throws SQLException {
71: ISession session = getSession();
72: PreparedStatement pstmt = session.getSQLConnection()
73: .prepareStatement(SQL);
74: IDatabaseObjectInfo doi = getDatabaseObjectInfo();
75: pstmt.setLong(1, Long.parseLong(doi.getSimpleName()));
76: return pstmt;
77: }
78:
79: /**
80: * Check if data accessible from current connection.
81: *
82: * @param session session
83: * @return true if data accessible
84: */
85: public static boolean isAccessible(final ISession session) {
86: return OraclePlugin.checkObjectAccessible(session,
87: CHECK_ACCESS_SQL);
88: }
89: }
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