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This package supports the parsing of AIS messages in Java. AIS, the Automatic Identification System, is a system aiming at improving maritime safety by exchanging messages between ships, other vehicles in particular aircraft involved in search-and-rescue (SAR), and (fixed) base stations. To be precise, this package support the ITU-R M.1371-4 AIS standard. See our extensive javadoc and in particular the class AISParser for more information on how to use this package. The parser was used in the Poseidon project, and is improved in the Metis project to better handle uncertain information. Both projects were led by the Embedded Systems Institute. In both projects Thales Nederlands was the carrying industrial partner, and multiple Dutch universities participated.

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/* ESI AIS Parser
 * 
 * Copyright 2011/2012 by Pierre van de Laar & Pierre America (Embedded Systems Institute)
 * Copyright 2008 by Brian C. Lane 
 * All Rights Reserved
 * 
 */
package nl.esi.metis.aisparser;

/** This interface represents an AIS message of type 12: Addressed Safety Related Message.
*
* @author Pierre van de Laar
* @author Pierre America
* @author Brian C. Lane
*/
public interface AISMessage12 extends AISMessage {

	/** sequenceNumber
	 * @return int value of sequenceNumber (2 bits [39,40])
	 */
	public int getSequenceNumber();

	/** destinationID
	 * @return int value of destinationID (30 bits [41,70])
	 */
	public int getDestinationID();

	/** retransmitFlag
	 * @return boolean value of retransmitFlag (bit 71)
	 */
	public boolean getRetransmitFlag();

	/** spare1
	 * @return int value of spare1 (1 bits [72,72])
	 */
	public int getSpare1();

	/** spare2
	 * @return int value of spare2 (at end to adhere to byte boundaries)
	 */
	public int getSpare2();

	/** safetyRelatedText
	 * @return String value of safetyRelatedText (936 bits [73,1008])
	 */
	public String getSafetyRelatedText();

}