processrequirement.java

来自「著名IT公司ILog的APS高级排产优化引擎」· Java 代码 · 共 61 行

package com.power.pipeengine.DispatchReportMap;

/**
 * <p>Title: PIPE Engine</p>
 * <p>Description: Global Planning Optimization Engine</p>
 * <p>Copyright: Copyright (c) 2002</p>
 * <p>Company: Paraster, Inc.</p>
 * @author not attributable
 * @version 1.0
 */


import java.util.*;

public class ProcessRequirement {

  private static final ProcessRequirement INSTANCE =
                            new ProcessRequirement();

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

  public static ProcessRequirement getInstance( ) {
      return INSTANCE;
  }

  private Hashtable rqmtByProcess = new Hashtable();
  private Hashtable lastAssigned = new Hashtable();

  public void updateRqmt( Integer processID, int qty, double procTime ) {
    Double aDbl = (Double) rqmtByProcess.get( processID.toString());
    if( null == aDbl ) {
      rqmtByProcess.put( processID.toString(), new Double( qty * procTime ) );
    } else {
      aDbl = new Double( aDbl.doubleValue() + qty * procTime );
      rqmtByProcess.put( processID.toString(), aDbl );
    }
  }

  public double getAvgRqmtByOperator( Integer processID ) {
    Double aDbl = (Double) rqmtByProcess.get( processID.toString());
    double cap = ProcessCapabilityTable.getInstance().getTotalCapability( processID.intValue() );
    if( cap != 0 ) {
      return aDbl.doubleValue() / cap;
    }

    return 0;
  }

  public void updateLastAssigned( Integer pid, ProcessCapability pc ) {
    lastAssigned.put( pid.toString(), pc );
  }

  public ProcessCapability getLastAssigned( Integer pid ) {
    return (ProcessCapability) lastAssigned.get( pid.toString());
  }

}