materialconsumption.java

简介： 今天为网友提供的是JAVA源码

package com.power.pipeengine.Report;

import java.util.*;
import java.io.*;

import com.power.pipeengine.Variable.*;
import com.power.pipeengine.Constraint.*;
import com.power.pipeengine.InputData.*;
import com.power.pipeengine.LPModel.*;
import com.power.pipeengine.Entity.*;
import com.power.pipe.*;
import com.power.pipeengine.*;

public class MaterialConsumption extends Report
{
    static ResourceBundle res = ResourceBundle.getBundle("com.power.pipeengine.Res",
                                                          EngineConfig.getInstance().getLocale() );
    private static final MaterialConsumption INSTANCE =
                              new MaterialConsumption();

   // Private constructor supresses
   // default public constructor
    private MaterialConsumption( ) {
		_fileName = "MaterialConsumption";
		//initFileWriter();
	}

    public static MaterialConsumption getInstance( ) {
        return INSTANCE;
    }

    private StringBuffer content = new StringBuffer();

	public void createReport() throws IOException {
		DataModel dataModel = DataModel.getInstance();
		Hashtable matUses = dataModel.getMaterialUses().getMaterialUses();
		Hashtable materials = dataModel.getMaterials().getMaterials();
		PIPECalendar cal = dataModel.getCalendar();
		StartsVariable startsVar = StartsVariable.getInstance();
		Solution sol = Solution.getInstance();
		Enumeration allMaterials = materials.elements();
		String separator = GlobalConfig.getInstance().getSeparator();

		while( allMaterials.hasMoreElements() ) {
			Material mat = (Material) allMaterials.nextElement();

			Vector uses = (Vector) matUses.get( mat.getMaterialID() );
			if( uses == null ) continue;

			for( int t=1; t<=cal.getTotalNumOfBuckets(); t++ ) {
				Bucket b = cal.getBucket( t );

				double consumption = 0;

				for( int i=0; i<uses.size(); i++ ) {
					MaterialUse matUse = (MaterialUse) uses.elementAt(i);
					Route r = matUse.getRoute();
					if( t > r.getLastStartBucketHavingOuts() ) continue;

					double rate = matUse.getConsumptionRate( t );
					String var = startsVar.getVariable( r,
													    r.getProduct(),
													    b );
					double value = sol.getValue( var );

					consumption += rate * value;
				}

				// RHS
				double avail = mat.getAvailMaterial( t );
				if( avail == 0.0 && consumption == 0.0 ) continue;

				String lineOut =    mat.getMaterialID() + separator +
									mat.getFacility().getFacilityID() + separator +
									b.getBucketID() + separator +
									b.getFormatedDate() + separator +
									consumption + separator +
									avail + "\n";

				content.append( lineOut );
			}
		}

		//_myFileWriter.close();
		super.flush( content.toString() );
        content = null;
        System.gc();
	}

    public void reset() {
        content = new StringBuffer();
    }

}