wt.occurrence
Class OccurrenceCountCache

java.lang.Object
  wt.occurrence.OccurrenceCountCache

public class OccurrenceCountCache

extends Object

Nested Class Summary

protected class

OccurrenceCountCache.Count

Field Summary

private HashSet	contexts
private HashMap	counts
private Class	occurrenceClass

Constructor Summary

OccurrenceCountCache(Class occurrenceClass)

Method Summary

void	decrementCount(ObjectIdentifier contextID, ObjectIdentifier linkID, int decrement)
void	decrementCount(OccurrenceableLink link, int decrement)
protected ObjectIdentifier	getContextID(OccurrenceableLink link)
int	getCount(OccurrenceableLink link)
static OccurrenceCountCache	getCountCache(String cacheName, Class _class) Given the name of an occurrence cache, retrieves it from the method context.
protected ObjectIdentifier	getLinkID(UsesOccurrence occurrence)
protected QueryResult	getUsesOccurrences(ObjectIdentifier contextID)
void	incrementCount(OccurrenceableLink link, int increment)
protected void	updateCounts(ObjectIdentifier contextID)

Methods inherited from class java.lang.Object

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

Field Detail

contexts

private HashSet contexts

counts

private HashMap counts

occurrenceClass

private Class occurrenceClass

Constructor Detail

OccurrenceCountCache

public OccurrenceCountCache(Class occurrenceClass)

Method Detail

getCountCache

public static OccurrenceCountCache getCountCache(String cacheName,
                                                 Class _class)

Given the name of an occurrence cache, retrieves it from the method context. If a cache by that name does not exist, this method will create it and add it to the method context.

getCount

public int getCount(OccurrenceableLink link)
             throws WTException

Throws:

WTException

incrementCount

public void incrementCount(OccurrenceableLink link,
                           int increment)
                    throws WTException

Throws:

WTException

decrementCount

public void decrementCount(OccurrenceableLink link,
                           int decrement)
                    throws WTException

Throws:

WTException

decrementCount

public void decrementCount(ObjectIdentifier contextID,
                           ObjectIdentifier linkID,
                           int decrement)
                    throws WTException

Throws:

WTException

updateCounts

protected void updateCounts(ObjectIdentifier contextID)
                     throws WTException

Throws:

WTException

getUsesOccurrences

protected QueryResult getUsesOccurrences(ObjectIdentifier contextID)
                                  throws WTException

Throws:

WTException

getContextID

protected ObjectIdentifier getContextID(OccurrenceableLink link)

getLinkID

protected ObjectIdentifier getLinkID(UsesOccurrence occurrence)