01: package net.sourceforge.squirrel_sql.plugins.mysql.action;
02:
03: /*
04: * Copyright (C) 2003 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.awt.event.ActionEvent;
22:
23: import net.sourceforge.squirrel_sql.fw.util.Resources;
24:
25: import net.sourceforge.squirrel_sql.plugins.mysql.MysqlPlugin;
26:
27: import net.sourceforge.squirrel_sql.client.IApplication;
28: import net.sourceforge.squirrel_sql.client.action.SquirrelAction;
29: import net.sourceforge.squirrel_sql.client.session.ISession;
30: import net.sourceforge.squirrel_sql.client.session.action.ISessionAction;
31:
32: /**
33: * This <TT>Action</TT> will run a "EXPLAIN SELECT * FROM TABLE" over the
34: * currently selected tables.
35: *
36: * @author <A HREF="mailto:colbell@users.sourceforge.net">Colin Bell</A>
37: */
38: public class ExplainSelectTableAction extends SquirrelAction implements
39: ISessionAction {
40: /** Current session. */
41: private ISession _session;
42:
43: /** Current plugin. */
44: private final MysqlPlugin _plugin;
45:
46: /**
47: * Ctor.
48: *
49: * @param app Application API.
50: * @param rsrc Plugins resources.
51: * @param plugin This plugin.
52: *
53: * @throws IllegalArgumentException
54: * Thrown if a?<TT>null</TT> <TT>IApplication</TT>,
55: * <TT>Resources</TT> or <TT>MysqlPlugin</TT> passed.
56: */
57: public ExplainSelectTableAction(IApplication app, Resources rsrc,
58: MysqlPlugin plugin) {
59: super (app, rsrc);
60: if (app == null) {
61: throw new IllegalArgumentException("IApplication == null");
62: }
63: if (rsrc == null) {
64: throw new IllegalArgumentException("Resources == null");
65: }
66: if (plugin == null) {
67: throw new IllegalArgumentException("MysqlPlugin == null");
68: }
69:
70: _plugin = plugin;
71: }
72:
73: public void actionPerformed(ActionEvent evt) {
74: if (_session != null) {
75: try {
76: new ExplainSelectTableCommand(_session, _plugin)
77: .execute();
78: } catch (Throwable th) {
79: _session.showErrorMessage(th);
80: }
81: }
82: }
83:
84: /**
85: * Set the current session.
86: *
87: * @param session The current session.
88: */
89: public void setSession(ISession session) {
90: _session = session;
91: }
92: }
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