/*
* Copyright 1999-2004 The Apache Software Foundation
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied.
*
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.avalon.cornerstone.blocks.threads;
import java.util.Map;
import org.apache.avalon.excalibur.thread.impl.DefaultThreadPool;
import org.apache.avalon.framework.configuration.Configuration;
import org.apache.avalon.framework.configuration.ConfigurationException;
/**
* Default implementation of ThreadManager.
*
* @author <a href="mailto:dev@avalon.apache.org">Avalon Development Team</a>
*
* @avalon.component name="thread-manager" lifestyle="singleton"
* @avalon.service type="org.apache.avalon.cornerstone.services.threads.ThreadManager"
*/
public class DefaultThreadManager
extends AbstractThreadManager
{
protected void configureThreadPool( final Map threadPools,
final Configuration configuration )
throws ConfigurationException
{
final String name = configuration.getChild( "name" ).getValue();
// NEVER USED!!
//final int priority = configuration.getChild( "priority" ).getValueAsInteger( 5 );
final boolean isDaemon = configuration.getChild( "is-daemon" ).getValueAsBoolean( false );
final int minThreads = configuration.getChild( "min-threads" ).getValueAsInteger( 5 );
final int maxThreads = configuration.getChild( "max-threads" ).getValueAsInteger( 10 );
// NEVER USED!!
//final int minSpareThreads = configuration.getChild( "min-spare-threads" ).
// getValueAsInteger( maxThreads - minThreads );
try
{
final DefaultThreadPool threadPool =
new DefaultThreadPool( name, minThreads, maxThreads );
threadPool.setDaemon( isDaemon );
threadPool.enableLogging( getLogger() );
threadPools.put( name, threadPool );
}
catch( final Exception e )
{
final String message = "Error creating ThreadPool named " + name;
throw new ConfigurationException( message, e );
}
}
}