product.java

著名IT公司ILog的APS高级排产优化引擎

package com.power.pipeengine.Entity;

import java.util.*;
import java.text.*;
import com.power.pipeengine.InputData.*;
import com.power.pipeengine.*;

public class Product extends com.power.pipeengine.Entity.Entity
{
    private String _productID = null;
	private int _facilityID;
	private Vector _producingRoutes = null;
	private Vector _sourcingRoutes = null;
	private Vector _demands = null;
    private int _prodNumber;

	public Product( String prodId, int facilityID ) {
		_productID = prodId;
		_facilityID = facilityID;
		_producingRoutes = new Vector();
		_sourcingRoutes = new Vector();
		_demands = new Vector();
	}

	public String getKey() {
		char[] key = new char[30];
		String facility = new Integer( _facilityID ).toString();

		int idx = 29;
		for( int i=facility.length()-1; i>=0; i-- ) {
			key[idx] = facility.charAt(i);
			idx--;
		}

		idx = 24;
		for( int i=_productID.length()-1; i>=0; i-- ) {
			key[idx] = _productID.charAt(i);
			idx--;
		}

		return new String( key );
	}

	public String getProductID() {
		return _productID;
	}

	public int getFacilityID() {
		return _facilityID;
	}

	public Facility getFacility() {
		Facilities facilities = DataModel.getInstance().getFacilities();
		return facilities.getFacility( _facilityID );
	}

	public void addProducingRoute( Route r ) {
		_producingRoutes.addElement( r );
	}

	public Vector getProducingRoutes() {
		return _producingRoutes;
	}

	public void addSourcingRoute( Route r ) {
		_sourcingRoutes.addElement( r );
	}

	public Vector getSourcingRoutes() {
		return _sourcingRoutes;
	}

	public void addDemand( ProductDemand prodDmd ) {
		_demands.addElement( prodDmd );
	}

	public Vector getDemands() {
		return _demands;
	}

	public double getDemand( int bucketID ) {
		double dmd = 0.0;

		for( int i=0; i<_demands.size(); i++ ) {
			ProductDemand prodDmd = (ProductDemand) _demands.elementAt(i);
			if( prodDmd.getBucketID() == bucketID ) {
				dmd = prodDmd.getDmdQty();
				break;
			}
		}

		return dmd;
	}

	public double getASP( int bucketID ) {
		for( int i=0; i<_demands.size(); i++ ) {
			ProductDemand prodDmd = (ProductDemand) _demands.elementAt(i);
			if( prodDmd.getBucketID() == bucketID ) {
				return prodDmd.getASP();
			}
		}

		return 0.0;
	}

	public boolean hasDemand() {
		if( _demands.size() == 0 ) return false;

		return true;
	}

    public boolean hasDemand( Bucket b ) {
		for( int i=0; i<_demands.size(); i++ ) {
			int bucket = ((ProductDemand) _demands.elementAt(i)).getBucketID();
			if( bucket == b.getBucketID() ) {
				return true;
			}
		}

        return false;
    }

    public int getDemandPriority( Bucket b ) {
		for( int i=0; i<_demands.size(); i++ ) {
			int bucket = ((ProductDemand) _demands.elementAt(i)).getBucketID();
			if( bucket == b.getBucketID() ) {
				return ((ProductDemand) _demands.elementAt(i)).getPriority();
			}
		}

        //No demand in the given bucket.
        return 100;
    }

    public double getMaxCost() {
        double maxCost = 0;
        for( int i=0; i<_producingRoutes.size(); i++ ) {
            Route rte = (Route) _producingRoutes.elementAt( i );
            rte.print();
            if( rte.getCostPerStart() > maxCost ) {
                maxCost = rte.getCostPerStart();
            }
        }
        InventoryCosts invCosts = DataModel.getInstance().getInventoryCosts();

        maxCost += invCosts.getInventoryCost( _productID, _facilityID).getMaxHoldingCost();

        return maxCost;
    }





	public int getFirstDemandPeriod() {
		if( _demands.size() == 0 ) return -1;
		int minT = ((ProductDemand) _demands.firstElement()).getBucketID();

		for( int i=1; i<_demands.size(); i++ ) {
			int bucket = ((ProductDemand) _demands.elementAt(i)).getBucketID();
			if( bucket < minT ) {
				minT = bucket;
			}
		}

		return minT;
	}

	public boolean equals( Product p ) {
		/*if( _facilityID == p.getFacilityID() &&
            EngineConfig.getInstance().getCollator().compare(
			  _productID, p.getProductID() ) == 0 ) {
			return true;
		}*/

        if( this._prodNumber == p.getProductNumber() ) {
            return true;
        }

		return false;
	}

    public int getProductNumber() {
        return _prodNumber;
    }

	public void print() {
		System.out.println( _productID + "," +
							_facilityID + ","
							+ getVariableCode() );
	}

    public void setProdNumber( int anInt ) {
        _prodNumber = anInt;
    }

    public int hashCode() {
        return _prodNumber;
    }

}