productreceipt.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 java.text.*;

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.pipeengine.*;
import com.power.pipe.*;

public class ProductReceipt extends Report
{
    private static final ProductReceipt INSTANCE =
                              new ProductReceipt();

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

    public static ProductReceipt getInstance( ) {
        return INSTANCE;
    }

    private StringBuffer content = new StringBuffer();

	public void createReport() throws IOException {
		Vector invFacilities = DataModel.getInstance().getFacilities().getInvFacilities();

		for( int i=0; i<invFacilities.size(); i++ ) {
			Facility f = (Facility) invFacilities.elementAt( i );
			//System.out.println( "Facility = " + f.getDescription() );
			Vector products = f.getProducts();
			for( int j=0; j<products.size(); j++ ) {
				Product p = (Product) products.elementAt( j );
				createReport( f, p );
			}
		}

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

	}

	public void createReport( Facility f, Product p )
		throws IOException
	{
		Vector buckets = DataModel.getInstance().getCalendar().getBuckets();
		Vector producingRoutes = p.getProducingRoutes();
		Vector sourcingRoutes = p.getSourcingRoutes();
		ReceivingVariable rcvVar = ReceivingVariable.getInstance();
		Solution sol = Solution.getInstance();
		String separator = GlobalConfig.getInstance().getSeparator();

		for( int i=0; i<buckets.size(); i++ ) {
			Bucket b = (Bucket) buckets.elementAt( i );
			Bucket prevBucket = null;


			//Products shipped in from other inventory points
			//-- need to consider shipment delay time for "b"
			Enumeration origFacilities = f.getOrignatingFacilities().elements();
			while( origFacilities.hasMoreElements() ) {
				Vector shipments = (Vector) origFacilities.nextElement();
				for( int idx = 0; idx < shipments.size(); idx++ ) {
					Shipment s = (Shipment) shipments.elementAt( idx );
					if( EngineConfig.getInstance().getCollator().compare(
                        s.getToProduct().getProductID(),
                        p.getProductID() ) == 0 ) {
						Bucket shipStartBucket = rcvVar.getShippingStartBucket( s, b );
						if( shipStartBucket != null ) {
							String var =  rcvVar.getVariable( s.getFromFacility(),
															   f,
															   p,
															   b );
							int value = (int) ( sol.getValue( var ) +
                                                EngineConfig.getInstance().PRECISION );
							if( value == 0 ) continue;

							String lineOut =    s.getFromFacilityID() + separator +
												s.getFromProductID() + separator +
												f.getFacilityID() + separator +
												p.getProductID() + separator +
												shipStartBucket.getBucketID() + separator +
												b.getBucketID() + separator +
												value + "\n";
							content.append( lineOut );

						}
					}
				}
			}


		}
	}

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

}