List of detailed Java wrapper for MPI

MPI.java :
package MPI;
public class MPI {
  public Comm COMM_WORLD;
  public Op MAX, MIN, SUM, PROD, LAND, BAND,
    LOR, BOR, LXOR, BXOR, MINLOC, MAXLOC;

  public MPI(String[] args);
  public void finalize();
  public native double Wtime();
  public native double Wtick();
  public native String Get_processor_name();
  public native int Buffer_attach(byte[] buf);
  public native int Buffer_detach(byte[] buf);
  *
  static {
    System.loadLibrary("MPI");
  }
}

 Comm.java :
package MPI;
public class Comm {
  public final static int NULL  = 0;
  public final static int SELF  = 1;
  public final static int WORLD = 2;

  public Comm() { handle = 0;}  
  public Comm(int Type) { Setup(Type);}
  private native void Setup(int Type);

  public native int Barrier();
  public native int Size(int[] size);
  public native int Rank(int[] rank);

  public native int Send(Datatype buf, int dest, int tag);
  public native int Bsend(Datatype buf, int dest, int tag);
  public native int Ssend(Datatype buf, int dest, int tag);
  public native int Rsend(Datatype buf, int dest, int tag);
  public native int Recv(Datatype buf, int source, int tag, 
    Status stat);
  *
  public native int Bcast(Datatype buf, int root);
  public native int Gather(Datatype sbuf, Datatype rbuf, int root);
  public native int Scatter(Datatype sbuf, Datatype rbuf, int root);
  public native int Allgather(Datatype sbuf, Datatype rbuf);
  public native int Alltoall(Datatype sbuf, Datatype rbuf);
  public native int Reduce(Datatype sbuf, Datatype rbuf, Op op, 
    int root);
  *
  private long handle ;
}

 Datatype.java :
package MPI ;
public class Datatype {
  public Datatype() { handle = type = 0;}
  public Datatype(byte[] data) { SetupByte(data);}
  public Datatype(char[] data) { SetupChar(data);}
  public Datatype(short[] data) { SetupShort(data);}
  public Datatype(boolean[] data) { SetupBoolean(data);}
  public Datatype(int[] data) { SetupInt(data);}
  public Datatype(long[] data) { SetupLong(data);}
  public Datatype(float[] data) { SetupFloat(data);}
  public Datatype(double[] data) { SetupDouble(data);}
  *
  private native void SetupByte(byte[] data);
  private native void SetupChar(char[] data);
  private native void SetupShort(short[] data);
  private native void SetupBoolean(boolean[] data);
  private native void SetupInt(int[] data);
  private native void SetupLong(long[] data);
  private native void SetupFloat(float[] data);
  private native void SetupDouble(double[] data);
  *
  private long handle, type;
  private int size;
}

 Op.java :
package MPI ;
public class Op {
  public final static int NULL  = 0;
  public final static int MAX   = 1;
  public final static int MIN   = 2;
  public final static int SUM   = 3;
  public final static int PROD  = 4;
  public final static int LAND  = 5;
  public final static int BAND  = 6;
  public final static int LOR   = 7;
  public final static int BOR   = 8;
  public final static int LXOR  = 9;
  public final static int BXOR  =10;
  public final static int MINLOC=11;
  public final static int MAXLOC=12;

  public Op() { handle = 0;}
  public Op(int Type) { Setup(Type);}
  private native void Setup(int Type);

  private long handle ;
}

 Status.java :
package MPI ;
public class Status {
  public int count;
  public int SOURCE;
  public int TAG;
  public int ERROR;
}

Request.java :
package MPI ;
public class Request {
  private long handle;
}