#108 [WIP] Created new ThreadPool class with a static ScheduledThreadExecutor that is now shared by all components. Removed ThreadPoolManager from all classes. Consolidating into 1 pool seems to have reduced CPU usage by ~15-20%. Overall memory usage is also reduced.

src/controller/ThreadPoolManager.java

@@ -1,113 +0,0 @@
-/*******************************************************************************
- *     SDR Trunk 
- *     Copyright (C) 2014 Dennis Sheirer
- * 
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- * 
- *     This program 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 General Public License for more details.
- * 
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>
- ******************************************************************************/
-package controller;
-
-import java.util.HashMap;
-import java.util.concurrent.Executors;
-import java.util.concurrent.RejectedExecutionException;
-import java.util.concurrent.ScheduledExecutorService;
-import java.util.concurrent.ScheduledFuture;
-import java.util.concurrent.TimeUnit;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class ThreadPoolManager
-{
-	private final static Logger mLog = LoggerFactory.getLogger( ThreadPoolManager.class );
-
-	private int THREAD_POOL_SIZE = 2;
-
-	private HashMap<ScheduledFuture<?>,ThreadType> mTasks = 
-				new HashMap<ScheduledFuture<?>,ThreadType>();
-	
-	private ScheduledExecutorService mExecutor;
-	
-	public ThreadPoolManager()
-	{
-	}
-	
-	public ScheduledExecutorService getScheduledExecutorService()
-	{
-		if( mExecutor == null )
-		{
-			mExecutor = Executors.newScheduledThreadPool( THREAD_POOL_SIZE,
-					new NamingThreadFactory( "sdrtrunk" ) );
-		}
-
-		return mExecutor;
-	}
-
-	public ScheduledFuture<?> scheduleFixedRate( ThreadType type, 
-										Runnable command, 
-										long period, 
-										TimeUnit unit )
-										throws RejectedExecutionException
-	{
-		ScheduledExecutorService executorService = getScheduledExecutorService();
-
-		ScheduledFuture<?> task = 
-				executorService.scheduleAtFixedRate( command, 0, period, unit );
-		
-		mTasks.put( task, type );
-		
-		return task;
-	}
-	
-	public void scheduleOnce( Runnable command, long delay, TimeUnit unit )	
-			throws RejectedExecutionException
-	{
-		ScheduledExecutorService executorService = getScheduledExecutorService();
-		
-		executorService.schedule( command, delay, unit );
-	}
-
-	public boolean cancel( ScheduledFuture<?> task )
-	{
-		boolean success = task.cancel( true );
-		
-		mTasks.remove( task );
-		
-		return success;
-	}
-	
-	public int getTaskCount( ThreadType type )
-	{
-		int count = 0;
-		
-		for( ThreadType current: mTasks.values() )
-		{
-			if( current == type )
-			{
-				count++;
-			}
-		}
-		
-		return count;
-	}
-
-	public enum ThreadType
-	{
-		AUDIO_PROCESSING,
-		AUDIO_RECORDING,
-		BASEBAND_RECORDING,
-		SOURCE_SAMPLE_PROCESSING,
-		DECIMATION,
-		DECODER;
-	}
-}