Class OpenTracNull

java.lang.Object
org.ka2ddo.opentrac.OpenTracElement
org.ka2ddo.opentrac.OpenTracNull
All Implemented Interfaces:
Serializable

public class OpenTracNull extends OpenTracElement
This class represents an OpenTRAC element where the mere presence of the element is the entire value.
See Also:
  • Constructor Details

    • OpenTracNull

      public OpenTracNull()
      Create an uninitialized null OpenTracElement,
    • OpenTracNull

      public OpenTracNull(int type)
      Create a OpenTracNull element with the specified field type.
      Parameters:
      type - OpenTRAC type code
  • Method Details

    • toString

      public String toString()
      Returns a string representation of the object.
      Overrides:
      toString in class OpenTracElement
      Returns:
      a string representation of the object.
    • valueString

      public String valueString()
      Get the string representation of the value of this element.
      Specified by:
      valueString in class OpenTracElement
      Returns:
      value string
    • computeBody

      public int computeBody(byte[] buf, int offset)
      Append this element to a message buffer
      Specified by:
      computeBody in class OpenTracElement
      Parameters:
      buf - byte array to add the element to
      offset - starting index to store the element
      Returns:
      index after the end of the stored element
    • length

      public int length()
      Return the number of bytes needed to encode this element.
      Specified by:
      length in class OpenTracElement
      Returns:
      byte count needed to hold this element
    • equalsElement

      public boolean equalsElement(OpenTracElement other)
      Test if this OpenTracElement has the same type and value as another OpenTracElement.
      Specified by:
      equalsElement in class OpenTracElement
      Parameters:
      other - OpenTracElement to compare against this element
      Returns:
      boolean true if elements are of the same type, class, and value