package net.sourceforge.squirrel_sql.plugins.netezza.exp;
/*
* Copyright (C) 2009 Rob Manning
* manningr@users.sourceforge.net
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import net.sourceforge.squirrel_sql.client.session.ISession;
import net.sourceforge.squirrel_sql.client.session.schemainfo.ObjFilterMatcher;
import net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.INodeExpander;
import net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.ObjectTreeNode;
import net.sourceforge.squirrel_sql.fw.sql.DatabaseObjectInfo;
import net.sourceforge.squirrel_sql.fw.sql.DatabaseObjectType;
import net.sourceforge.squirrel_sql.fw.sql.IDatabaseObjectInfo;
import net.sourceforge.squirrel_sql.fw.sql.ISQLConnection;
import net.sourceforge.squirrel_sql.fw.sql.SQLDatabaseMetaData;
import net.sourceforge.squirrel_sql.fw.sql.SQLUtilities;
import net.sourceforge.squirrel_sql.fw.util.log.ILogger;
import net.sourceforge.squirrel_sql.fw.util.log.LoggerController;
/**
* This class handles the expanding of the "Synonym Group" node. It will give a list of all the Sequences
* available in the schema.
*/
public class NetezzaSynonymParentExpander implements INodeExpander
{
/**
* Logger for this class.
*/
private final static ILogger s_log = LoggerController.createLogger(NetezzaSynonymParentExpander.class);
/** SQL used to load sequence names */
private static final String SQL =
"SELECT " +
"SYNONYM_NAME " +
"FROM _v_synonym " +
"where synonym_name like ? " +
"and refschema = ? " +
"and refdatabase = ? ";
/**
* Default ctor.
*/
public NetezzaSynonymParentExpander() {
super();
}
/**
* Create the child nodes for the passed parent node and return them. Note that this method should
* <B>not</B> actually add the child nodes to the parent node as this is taken care of in the caller.
*
* @param session
* Current session.
* @param node
* Node to be expanded.
*
* @return A list of <TT>ObjectTreeNode</TT> objects representing the child nodes for the passed node.
*/
public List<ObjectTreeNode> createChildren(ISession session, ObjectTreeNode parentNode)
throws SQLException
{
final List<ObjectTreeNode> childNodes = new ArrayList<ObjectTreeNode>();
final IDatabaseObjectInfo parentDbinfo = parentNode.getDatabaseObjectInfo();
final ISQLConnection conn = session.getSQLConnection();
final SQLDatabaseMetaData md = session.getSQLConnection().getSQLMetaData();
final String catalogName = parentDbinfo.getCatalogName();
final String schemaName = parentDbinfo.getSchemaName();
final ObjFilterMatcher filterMatcher = new ObjFilterMatcher(session.getProperties());
PreparedStatement pstmt = null;
ResultSet rs = null;
try
{
if (s_log.isDebugEnabled()) {
s_log.debug("createChildren: running SQL - "+SQL);
s_log.debug("createChildren: with SYNONYM_NAME = "+filterMatcher.getSqlLikeMatchString());
s_log.debug("createChildren: with schema = "+schemaName);
s_log.debug("createChildren: with catalog = "+catalogName);
}
pstmt = conn.prepareStatement(SQL);
pstmt.setString(1, filterMatcher.getSqlLikeMatchString());
pstmt.setString(2, schemaName);
pstmt.setString(3, catalogName);
rs = pstmt.executeQuery();
while (rs.next())
{
IDatabaseObjectInfo si = new DatabaseObjectInfo(
catalogName, schemaName, rs.getString(1), DatabaseObjectType.SYNONYM, md);
if (filterMatcher.matches(si.getSimpleName()))
{
childNodes.add(new ObjectTreeNode(session, si));
}
}
} finally
{
SQLUtilities.closeResultSet(rs, true);
}
return childNodes;
}
}