01: package net.sourceforge.squirrel_sql.plugins.postgres.exp;
02:
03: /*
04: * Copyright (C) 2007 Rob Manning
05: * manningr@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.util.ArrayList;
22: import java.util.List;
23:
24: import net.sourceforge.squirrel_sql.client.session.ISession;
25: import net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.INodeExpander;
26: import net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.ObjectTreeNode;
27: import net.sourceforge.squirrel_sql.fw.sql.DatabaseObjectInfo;
28: import net.sourceforge.squirrel_sql.fw.sql.IDatabaseObjectInfo;
29: import net.sourceforge.squirrel_sql.fw.sql.SQLDatabaseMetaData;
30: import net.sourceforge.squirrel_sql.plugins.postgres.IObjectTypes;
31:
32: /**
33: * This class is an expander for the schema nodes. It will add Sequence Object
34: * Type nodes to the schema node.
35: *
36: * @author manningr
37: */
38: public class SchemaExpander implements INodeExpander {
39:
40: /**
41: * Ctor.
42: */
43: public SchemaExpander() {
44: super ();
45: }
46:
47: /**
48: * Create the child nodes for the passed parent node and return them. Note
49: * that this method should <B>not</B> actually add the child nodes to the
50: * parent node as this is taken care of in the caller.
51: *
52: * @param session Current session.
53: * @param node Node to be expanded.
54: *
55: * @return A list of <TT>ObjectTreeNode</TT> objects representing the child
56: * nodes for the passed node.
57: */
58: public List<ObjectTreeNode> createChildren(ISession session,
59: ObjectTreeNode parentNode) {
60: final List<ObjectTreeNode> childNodes = new ArrayList<ObjectTreeNode>();
61: final IDatabaseObjectInfo parentDbinfo = parentNode
62: .getDatabaseObjectInfo();
63: final SQLDatabaseMetaData md = session.getSQLConnection()
64: .getSQLMetaData();
65: final String catalogName = parentDbinfo.getCatalogName();
66: final String schemaName = parentDbinfo.getSimpleName();
67:
68: IDatabaseObjectInfo seqInfo = new DatabaseObjectInfo(
69: catalogName, schemaName, "SEQUENCE",
70: IObjectTypes.SEQUENCE_PARENT, md);
71: ObjectTreeNode node = new ObjectTreeNode(session, seqInfo);
72: node.addExpander(new SequenceParentExpander());
73: childNodes.add(node);
74:
75: return childNodes;
76: }
77:
78: }
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