Constructor Detail

• MqttPersistentData

  MqttPersistentData(String key, Array<byte> header, int hOffset, int hLength, Array<byte> payload, int pOffset, int pLength)

  Construct a data object to pass across the MQTT client persistence interface.

  Parameters:

  key - The key which identifies this data

  header - The message header

  hOffset - The start offset of the header bytes in header.

  hLength - The length of the header in the header bytes array.

  payload - The message payload

  pOffset - The start offset of the payload bytes in payload.

  pLength - The length of the payload in the payload bytes array when persisting the message.

Method Detail

• getKey

   String getKey()

• getHeaderBytes

   Array<byte> getHeaderBytes()

  Returns the header bytes in an array. The bytes start at getHeaderOffset and continue for getHeaderLength.

• getHeaderLength

   int getHeaderLength()

  Returns the length of the header.

• getHeaderOffset

   int getHeaderOffset()

  Returns the offset of the header within the byte array returned by getHeaderBytes.

• getPayloadBytes

   Array<byte> getPayloadBytes()

  Returns the payload bytes in an array. The bytes start at getPayloadOffset and continue for getPayloadLength.

• getPayloadLength

   int getPayloadLength()

  Returns the length of the payload.

• getPayloadOffset

   int getPayloadOffset()

  Returns the offset of the payload within the byte array returned by getPayloadBytes.