package org.jscsi.target.scsi.modeSense;

 import java.nio.ByteBuffer;

 import org.jscsi.target.util.ReadWrite;

 /**

  * A class representing the content of SHORT LBA MODE PAREMETER LOGICAL BLOCK DESCRIPTOR fields, which are part of

  * {@link ModeParameterList} objects. This short format must be used if the LONG LBA bit is not set in the

  * {@link ModeParameterList} objects's header.

  * 

  * @see LongLogicalBlockDescriptor

  * @author Andreas Ergenzinger

  */

 public final class ShortLogicalBlockDescriptor extends LogicalBlockDescriptor {

     /**

      * The serialized length in bytes of instances of this class.

      */

     static final int SIZE = 8;

     /**

      * The constructor.

      * 

      * @param numberOfLogicalBlocks the number of equal-length logical blocks into which the storage medium is divided

      * @param logicalBlockLength the length in bytes of the logical blocks

      */

     public ShortLogicalBlockDescriptor (long numberOfLogicalBlocks, int logicalBlockLength) {

         super(numberOfLogicalBlocks, logicalBlockLength);

     }

     public void serialize (ByteBuffer byteBuffer, int index) {

         // NUMBER OF LOGICAL BLOCKS

         ReadWrite.writeInt((int) numberOfLogicalBlocks,// value

                 byteBuffer,// buffer

                 index);// start index

         // LOGICAL BLOCK LENGTH

         ReadWrite.writeThreeByteInt(byteBuffer,// buffer

                 logicalBlockLength,// value

                 index + 5);// index

     }

     public int size () {

         return SIZE;

     }

 }