package org.lcsim.lcio;
   
   import hep.io.sio.SIOInputStream;
   import hep.io.sio.SIOOutputStream;
   import org.lcsim.event.GenericObject;
   
   import java.io.IOException;
   
   /**
   *
   * @author gaede
   * @version $Id: SIOGenericObject.java,v 1.8 2011/03/22 16:48:36 tonyj Exp $
   */
  class SIOGenericObject implements GenericObject
  {
     private boolean _isFixedSize ;
     private int[] _intVec;
     private float[] _floatVec;
     private double[] _doubleVec;
     
     // Creates a new instance of SIOGenericObject with variable size
     
     SIOGenericObject(SIOInputStream in, int flag, int version) throws IOException
     {
        int nInt = in.readInt();
        int nFloat = in.readInt();
        int nDouble = in.readInt();
        read(in,flag,version,nInt,nFloat,nDouble);
        _isFixedSize = false;
     }
     
     SIOGenericObject(SIOInputStream in, int flag, int version, int nInt, int nFloat, int nDouble) throws IOException
     {	
        read(in,flag,version,nInt,nFloat,nDouble);
        _isFixedSize = true;
     }   
     
     private void read(SIOInputStream in, int flag, int version, int nInt, int nFloat, int nDouble ) throws IOException
     {
        _intVec = new int[nInt] ;
        for (int i=0; i<nInt; i++)
        {
           _intVec[i] = in.readInt();
        }
  
        _floatVec = new float[nFloat] ;
        for (int i=0; i<nFloat; i++)
        {
           _floatVec[i] = in.readFloat();
        }
        
        _doubleVec = new double[nDouble] ;
        for (int i=0; i<nDouble; i++)
        {
           _doubleVec[i] = in.readDouble();
        }
        in.readPTag(this); 
     }
     
     static void write(GenericObject object, SIOOutputStream out, int flags) throws IOException
     {
        if (!LCIOUtil.bitTest(flags, LCIOConstants.GOBIT_FIXED))
        {
           out.writeInt(object.getNInt());
           out.writeInt(object.getNFloat());
           out.writeInt(object.getNDouble());
        }
        for(int i=0;i<object.getNInt();i++)
           out.writeInt( object.getIntVal(i)) ;
        for(int i=0;i<object.getNFloat();i++)
           out.writeFloat( object.getFloatVal(i)) ;
        for(int i=0;i<object.getNDouble();i++)
           out.writeDouble( object.getDoubleVal(i)) ;
        
        out.writePTag(object);
     }
     public int getNInt()
     {
        return _intVec.length;
     }
  
     public int getNFloat()
     {
        return _floatVec.length;
     }
  
     public int getNDouble()
     {
        return _doubleVec.length;
     }
  
     public int getIntVal(int index)
     {
        return _intVec[index];
     }
     
     public float getFloatVal(int index)
     {
        return _floatVec[index];
    }
    
    public double getDoubleVal(int index)
    {
       return _doubleVec[index];
    }
 
    public boolean isFixedSize()
    {
       return _isFixedSize;
    }
 }