/*
*
* SchemaCrawler
* http://sourceforge.net/projects/schemacrawler
* Copyright (c) 2000-2013, Sualeh Fatehi.
*
* 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.
*
*/
package schemacrawler.tools.traversal;
import java.util.Collection;
import schemacrawler.schema.ColumnDataType;
import schemacrawler.schema.Database;
import schemacrawler.schema.Routine;
import schemacrawler.schema.Synonym;
import schemacrawler.schema.Table;
import schemacrawler.schemacrawler.SchemaCrawlerException;
public class SchemaTraverser
{
private Database database;
private SchemaTraversalHandler handler;
public Database getDatabase()
{
return database;
}
public SchemaTraversalHandler getHandler()
{
return handler;
}
public void setDatabase(final Database database)
{
if (database == null)
{
throw new IllegalArgumentException("No database provided");
}
this.database = database;
}
public void setHandler(final SchemaTraversalHandler handler)
{
if (handler == null)
{
throw new IllegalArgumentException("No handler provided");
}
this.handler = handler;
}
public final void traverse()
throws SchemaCrawlerException
{
if (database == null || handler == null)
{
throw new SchemaCrawlerException("Cannot traverse database");
}
handler.begin();
handler.handleInfoStart();
handler.handle(database.getSchemaCrawlerInfo());
handler.handle(database.getDatabaseInfo());
handler.handle(database.getJdbcDriverInfo());
handler.handleInfoEnd();
final Collection<ColumnDataType> columnDataTypes = database
.getColumnDataTypes();
final Collection<Table> tables = database.getTables();
final Collection<Routine> routines = database.getRoutines();
final Collection<Synonym> synonyms = database.getSynonyms();
if (!columnDataTypes.isEmpty())
{
handler.handleColumnDataTypesStart();
for (final ColumnDataType columnDataType: columnDataTypes)
{
handler.handle(columnDataType);
}
handler.handleColumnDataTypesEnd();
}
if (!tables.isEmpty())
{
handler.handleTablesStart();
for (final Table table: tables)
{
handler.handle(table);
}
handler.handleTablesEnd();
}
if (!routines.isEmpty())
{
handler.handleRoutinesStart();
for (final Routine routine: routines)
{
handler.handle(routine);
}
handler.handleRoutinesEnd();
}
if (!synonyms.isEmpty())
{
handler.handleSynonymsStart();
for (final Synonym synonym: synonyms)
{
handler.handle(synonym);
}
handler.handleSynonymsEnd();
}
handler.end();
}
}