atavism.server.engine
Class QuadTree.NewsAndFrees

java.lang.Object
  atavism.server.engine.QuadTree.NewsAndFrees

Enclosing class:

QuadTree<ElementType extends QuadTreeElement<ElementType>>

public class QuadTree.NewsAndFrees
extends java.lang.Object

Instances of this class are used to accumulate news and frees of objects, from the point of view of perceivers, so that we can perform the new and free operations, which generate messages, without holding the top-level quad tree lock.

Field Summary

protected java.util.Map<Perceiver<ElementType>,PerceiverNewsAndFrees<ElementType>>

perceiverMap

Constructor Summary

QuadTree.NewsAndFrees()

Method Summary

java.util.Map<Perceiver<ElementType>,PerceiverNewsAndFrees<ElementType>>	getMap()
void	noteFreedElement(Perceiver<ElementType> perceiver, ElementType element) If the perceiver says the element should be a freed element, add it to the freedElements list
void	noteNewElement(Perceiver<ElementType> perceiver, ElementType element) If the perceiver says the element should be a new element, add it to the newElements list for the perceiver
protected java.lang.Integer	processBatchedNewsAndFrees(OID mobilePerceiverOid) If the perceiverOid is non-null, the count returned is the count of the number of news plus number of frees for the perceiver identified by perceiverOid
java.lang.Integer	processNewsAndFrees()
java.lang.Integer	processNewsAndFrees(OID mobilePerceiverOid) Either process all news and frees in a single change subscription message, or process them one-by-one.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

perceiverMap

protected java.util.Map<Perceiver<ElementType extends QuadTreeElement<ElementType>>,PerceiverNewsAndFrees<ElementType extends QuadTreeElement<ElementType>>> perceiverMap

Constructor Detail

QuadTree.NewsAndFrees

public QuadTree.NewsAndFrees()

Method Detail

getMap

public java.util.Map<Perceiver<ElementType>,PerceiverNewsAndFrees<ElementType>> getMap()

noteNewElement

public void noteNewElement(Perceiver<ElementType> perceiver,
                           ElementType element)

If the perceiver says the element should be a new element, add it to the newElements list for the perceiver

noteFreedElement

public void noteFreedElement(Perceiver<ElementType> perceiver,
                             ElementType element)

If the perceiver says the element should be a freed element, add it to the freedElements list

processNewsAndFrees

public java.lang.Integer processNewsAndFrees()

processNewsAndFrees

public java.lang.Integer processNewsAndFrees(OID mobilePerceiverOid)

Either process all news and frees in a single change subscription message, or process them one-by-one.

processBatchedNewsAndFrees

protected java.lang.Integer processBatchedNewsAndFrees(OID mobilePerceiverOid)

If the perceiverOid is non-null, the count returned is the count of the number of news plus number of frees for the perceiver identified by perceiverOid