outsvariable.java

著名IT公司ILog的APS高级排产优化引擎

package com.power.pipeengine.Variable;

import com.power.pipeengine.Entity.*;
import com.power.pipeengine.InputData.*;
import com.power.pipeengine.*;
import java.util.ResourceBundle;

public class OutsVariable
    extends Variable {
  private static final OutsVariable INSTANCE =
      new OutsVariable();

  // Private constructor supresses
  // default public constructor
  private OutsVariable() {
  }

  public static OutsVariable getInstance() {
    return INSTANCE;
  }

  public String getVariable(Product p, Bucket b) {
    String varName = new String("O" +
                                "F" + p.getFacility().getVariableCode() +
                                "P" + p.getVariableCode() +
                                "T" + b.getVariableCode());
    /*String separator = "";
       String varName = new String( "O" +
           //r.getRouteID() + "," +
           p.getFacilityID() + separator +
           p.getProductID() + separator +
           b.getBucketID() );*/
    /*if( p.hasDemand( b ) ) {
        setObjElement( varName, p, b );
             }*/
    return varName;
  }

  public void setObjElement(String varName, Product p, Bucket b) {
    if (EngineConfig.getInstance().isMaxProfit()) {
      setObjElement(varName, -p.getASP(b.getBucketID()));
    }
  }

  public Bucket getRouteStartBucket(Route r, Product p, Bucket b) {
    Facilities allFacilities = DataModel.getInstance().getFacilities();
    double rteCycleTime = r.getCycleTime();
    Facility f = allFacilities.getFacility(r.getFacilityID());
    Bucket bucket = null;

    double remainingCycleTime = rteCycleTime -
        f.getNumWorkingDaysForBucket(b.getBucketID()) / 2;
    int bucketID = b.getBucketID();

    if (remainingCycleTime > 0) {
      for (int i = bucketID - 1; i > 0; i--) {
        remainingCycleTime -= f.getNumWorkingDaysForBucket(i);
        if (remainingCycleTime < 0) {
          bucketID = i;
          break;
        }
      }
    }
    else {
      return b;
    }

    if (bucketID == b.getBucketID()) {
      return null;
    }

    bucket = DataModel.getInstance().getCalendar().getBucket(bucketID);
    return bucket;

  }

  public Bucket getEarliestRouteStartBucket(Route r, Product p, Bucket b) {
    Facilities allFacilities = DataModel.getInstance().getFacilities();
    double rteCycleTime = r.getCycleTime();
    Facility f = allFacilities.getFacility(r.getFacilityID());
    Bucket bucket = null;

    double remainingCycleTime = rteCycleTime;
    int bucketID = b.getBucketID();
    if (bucketID < 2)
      return b;

    if (remainingCycleTime > 0) {
      for (int i = bucketID - 1; i > 0; i--) {
        remainingCycleTime -= f.getNumWorkingDaysForBucket(i) / 2;
        if (remainingCycleTime >= 0) {
          bucketID = i;
        }
        else {
          break;
        }

        remainingCycleTime -= f.getNumWorkingDaysForBucket(i) / 2;
      }
    }
    else {
      return b;
    }

    /*if( bucketID == b.getBucketID() ) {
     return null;
       }*/

    bucket = DataModel.getInstance().getCalendar().getBucket(bucketID);
    return bucket;

  }

}