/**
 * The HeuristicScheduler class encompasses all Schedulers that create their
 * schedules on the fly.  Examples include the TwoHeapScheduler and the
 * InOrderScheduler.  Its sibling, the other extension of Scheduler, is the
 * PreCompScheduler.
 */

import java.io.*;

abstract class HeuristicScheduler extends Scheduler {

    // Public ---------------
    
    // Constructor
    public HeuristicScheduler( Process[] processes, int availMem ) {
	
	super( processes, availMem );
	
    }
    
    public void makeFiles( String procfile ) throws IOException {
	
	if ( !procfile.endsWith(".proc") ) {
	    
	    System.out.println("File must be a process file ending with " +
			       ".proc");
	    System.exit(1);
	    
	}
	
	String name = procfile.substring ( procfile.lastIndexOf("/") + 1,
				    procfile.lastIndexOf(".") );
	
	run( name );
	
    }
    
    public abstract void run( String name ) throws IOException;
    
    // Each process prints its current CPU total to file
    protected void cpusToFile( PrintStream out ) throws IOException {
	
	for( int loop = 0; loop < _processes.length; loop++ ) {
	    
	    out.print( _processes[loop].getQuanta() + " ");
	    
	}
	out.println();
	
    }
    
    // Each process prints its current received share to file
    protected void sharesToFile( PrintStream shareOut, 
				 PrintStream integralOut ) 
	throws IOException {
	
	double actualShare;
	
	 for( int loop = 0; loop < _processes.length; loop++ ) {
	     
             /* if( _cpuCount != 0 ) {
		 actualShare = (double)_processes[loop].getQuanta() /
		     _cpuCount;
	     }
	     else {
		 actualShare = 0;
		 }  */
	     
	     actualShare = _processes[loop].averagedShare();

	     shareOut.print( actualShare  + " ");
	     integralOut.print( actualShare -_processes[loop].getShareFrom1()
				+ " ");
	     
	 }
	 
	 shareOut.println();
	 integralOut.println();
	 
    }
    
}