net.sf.freecol.server.ai.mission
Class IndianBringGiftMission

java.lang.Object
  extended by net.sf.freecol.common.model.FreeColObject
      extended by net.sf.freecol.server.ai.AIObject
          extended by net.sf.freecol.server.ai.mission.Mission
              extended by net.sf.freecol.server.ai.mission.IndianBringGiftMission

public class IndianBringGiftMission
extends Mission

Mission for bringing a gift to a specified player.

The mission has three different tasks to perform:

  1. Get the gift (goods) from the IndianSettlement that owns the unit.
  2. Transport this gift to the given Colony.
  3. Complete the mission by delivering the gift.


Field Summary
private  boolean completed
          Decides whether this mission has been completed or not.
private static java.util.logging.Logger logger
           
private  Colony target
          The Colony receiving the gift.
 
Fields inherited from class net.sf.freecol.server.ai.mission.Mission
MINIMUM_TRANSPORT_PRIORITY, NO_MORE_MOVES_LEFT, NO_PATH_TO_TARGET, NORMAL_TRANSPORT_PRIORITY
 
Fields inherited from class net.sf.freecol.server.ai.AIObject
uninitialized
 
Fields inherited from class net.sf.freecol.common.model.FreeColObject
ARRAY_SIZE, ID_ATTRIBUTE, ID_ATTRIBUTE_TAG, INFINITY, NO_ID, PARTIAL_ATTRIBUTE, UNDEFINED, VALUE_TAG
 
Constructor Summary
IndianBringGiftMission(AIMain aiMain, AIUnit aiUnit, Colony target)
          Creates a mission for the given AIUnit.
IndianBringGiftMission(AIMain aiMain, org.w3c.dom.Element element)
          Loads a mission from the given element.
IndianBringGiftMission(AIMain aiMain, javax.xml.stream.XMLStreamReader in)
          Creates a new IndianBringGiftMission and reads the given element.
 
Method Summary
 void doMission(Connection connection)
          Performs the mission.
 java.lang.String getDebuggingInfo()
          Gets debugging information about this mission.
static java.lang.String getXMLElementTagName()
          Returns the tag name of the root element representing this object.
private  boolean hasGift()
          Checks if the unit is carrying a gift (goods).
 boolean isValid()
          Checks if this mission is still valid to perform.
static boolean isValidMission(Player owner, Player targetPlayer)
          Checks if the player owner can bring a gift to the targetPlayer.
protected  void readAttributes(javax.xml.stream.XMLStreamReader in)
          Reads all the AIObjects and other AI-related information from XML data.
protected  void toXMLImpl(javax.xml.stream.XMLStreamWriter out)
          Writes all of the AIObjects and other AI-related information to an XML-stream.
protected  void writeAttributes(javax.xml.stream.XMLStreamWriter out)
          
 
Methods inherited from class net.sf.freecol.server.ai.mission.Mission
dispose, findNearestOtherSettlement, findTarget, getAIRandom, getAIUnit, getEuropeanAIPlayer, getPathStartTile, getTransportDestination, getTransportPriority, getUnit, isOneTime, isValid, moveButDontAttack, moveRandomly, moveTowards, moveTowards, moveUnitToAmerica, moveUnitToEurope, sellCargoInEurope, setAIUnit, shouldTakeTransportToTile, travelToTarget, unitLeavesShip, unloadCargoInColony
 
Methods inherited from class net.sf.freecol.server.ai.AIObject
getAIMain, getGame, getSpecification, isUninitialized, readFromXML
 
Methods inherited from class net.sf.freecol.common.model.FreeColObject
addPropertyChangeListener, addPropertyChangeListener, dumpObject, fireIndexedPropertyChange, fireIndexedPropertyChange, fireIndexedPropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getAttribute, getAttribute, getAttribute, getAttribute, getAttribute, getId, getPropertyChangeListeners, getPropertyChangeListeners, hasAbility, hasAttribute, hasListeners, readAttributes, readChild, readChild, readChildren, readChildren, readFromArrayElement, readFromArrayElement, readFromListElement, readFromXMLElement, readFromXMLImpl, readFromXMLImpl, readFromXMLPartialImpl, removePropertyChangeListener, removePropertyChangeListener, save, save, setId, setSpecification, toXML, toXML, toXML, toXMLElement, toXMLElement, toXMLElement, toXMLElement, toXMLElementPartial, toXMLPartialImpl, writeAttribute, writeChildren
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

logger

private static final java.util.logging.Logger logger

target

private Colony target
The Colony receiving the gift.


completed

private boolean completed
Decides whether this mission has been completed or not.

Constructor Detail

IndianBringGiftMission

public IndianBringGiftMission(AIMain aiMain,
                              AIUnit aiUnit,
                              Colony target)
Creates a mission for the given AIUnit.

Parameters:
aiMain - The main AI-object.
aiUnit - The AIUnit this mission is created for.
target - The Colony receiving the gift.

IndianBringGiftMission

public IndianBringGiftMission(AIMain aiMain,
                              org.w3c.dom.Element element)
Loads a mission from the given element.

Parameters:
aiMain - The main AI-object.
element - An Element containing an XML-representation of this object.

IndianBringGiftMission

public IndianBringGiftMission(AIMain aiMain,
                              javax.xml.stream.XMLStreamReader in)
                       throws javax.xml.stream.XMLStreamException
Creates a new IndianBringGiftMission and reads the given element.

Parameters:
aiMain - The main AI-object.
in - The input stream containing the XML.
Throws:
javax.xml.stream.XMLStreamException - if a problem was encountered during parsing.
See Also:
AIObject.readFromXML(javax.xml.stream.XMLStreamReader)
Method Detail

doMission

public void doMission(Connection connection)
Performs the mission.

Specified by:
doMission in class Mission
Parameters:
connection - The Connection to the server.

hasGift

private boolean hasGift()
Checks if the unit is carrying a gift (goods).

Returns:
true if getUnit().getSpaceLeft() == 0 and false otherwise.

isValid

public boolean isValid()
Checks if this mission is still valid to perform. This mission will be invalidated when the gift has been delivered. In case of the stances WAR or CEASE_FIRE towards the target player, the mission would be invalidated as well.

Overrides:
isValid in class Mission
Returns:
True if this mission is still valid.

isValidMission

public static boolean isValidMission(Player owner,
                                     Player targetPlayer)
Checks if the player owner can bring a gift to the targetPlayer.

Parameters:
owner - The owner of this mission.
targetPlayer - The target of the gift.
Returns:
true if this mission is still valid to perform with regard to the tension towards the target player.

getDebuggingInfo

public java.lang.String getDebuggingInfo()
Gets debugging information about this mission. This string is a short representation of this object's state.

Overrides:
getDebuggingInfo in class Mission
Returns:
The String: "[ColonyName] GIFT_TYPE" or "[ColonyName] Getting gift: (x, y)".

toXMLImpl

protected void toXMLImpl(javax.xml.stream.XMLStreamWriter out)
                  throws javax.xml.stream.XMLStreamException
Writes all of the AIObjects and other AI-related information to an XML-stream.

Specified by:
toXMLImpl in class FreeColObject
Parameters:
out - The target stream.
Throws:
javax.xml.stream.XMLStreamException - if there are any problems writing to the stream.

writeAttributes

protected void writeAttributes(javax.xml.stream.XMLStreamWriter out)
                        throws javax.xml.stream.XMLStreamException
Description copied from class: Mission

Overrides:
writeAttributes in class Mission
Parameters:
out - The target stream.
Throws:
javax.xml.stream.XMLStreamException - if there are any problems writing to the stream.

readAttributes

protected void readAttributes(javax.xml.stream.XMLStreamReader in)
                       throws javax.xml.stream.XMLStreamException
Reads all the AIObjects and other AI-related information from XML data.

Overrides:
readAttributes in class Mission
Parameters:
in - The input stream with the XML.
Throws:
javax.xml.stream.XMLStreamException - if there are any problems reading from the stream.

getXMLElementTagName

public static java.lang.String getXMLElementTagName()
Returns the tag name of the root element representing this object.

Returns:
"indianBringGiftMission".