/*
* 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.executable;
import java.sql.Connection;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import schemacrawler.schema.Database;
import schemacrawler.schemacrawler.SchemaCrawlerException;
abstract class BaseCommandChainExecutable
extends BaseExecutable
{
private static final Logger LOGGER = Logger
.getLogger(BaseCommandChainExecutable.class.getName());
private final List<Executable> executables;
private final CommandRegistry commandRegistry;
protected BaseCommandChainExecutable(final String command)
throws SchemaCrawlerException
{
super(command);
commandRegistry = new CommandRegistry();
executables = new ArrayList<>();
}
public final Executable addNext(final Executable executable)
{
if (executable != null)
{
executables.add(executable);
}
return executable;
}
public final Executable addNext(final String command)
throws SchemaCrawlerException
{
try
{
final Executable executable = commandRegistry.newExecutable(command);
if (executable == null)
{
return executable;
}
executable.setSchemaCrawlerOptions(schemaCrawlerOptions);
executable.setAdditionalConfiguration(additionalConfiguration);
executable.setOutputOptions(outputOptions);
return addNext(executable);
}
catch (final Exception e)
{
throw new SchemaCrawlerException(String.format("Cannot chain executable, unknown command, %s",
command));
}
}
protected final void executeChain(final Database database,
final Connection connection)
throws Exception
{
if (executables.isEmpty())
{
LOGGER.log(Level.INFO, "No commands to execute");
return;
}
for (final Executable executable: executables)
{
if (executable instanceof BaseExecutable)
{
((BaseExecutable) executable).executeOn(database, connection);
}
}
}
}