org.aspectj.org.eclipse.jdt.internal.core
Class DeltaProcessor

java.lang.Object
  org.aspectj.org.eclipse.jdt.internal.core.DeltaProcessor

public class DeltaProcessor
extends java.lang.Object

This class is used by JavaModelManager to convert IResourceDeltas into IJavaElementDeltas. It also does some processing on the JavaElements involved (e.g. closing them or updating classpaths).

High level summary of what the delta processor does:

• reacts to resource deltas
• fires corresponding Java element deltas
• deltas also contain non-Java resources changes
• updates the model to reflect the Java element changes
• notifies type hierarchies of the changes
• triggers indexing of the changed elements
• refresh external archives (delta, model update, indexing)
• is thread safe (one delta processor instance per thread, see DeltaProcessingState#resourceChanged(...))
• handles .classpath changes (updates package fragment roots, update project references, validate classpath (.classpath format, resolved classpath, cycles))

Nested Class Summary

static class

DeltaProcessor.RootInfo

Field Summary

static boolean	DEBUG
static int	DEFAULT_CHANGE_EVENT
java.util.ArrayList	javaModelDeltas
java.util.Map	oldRoots
int	overridenEventType
static boolean	PERF
java.util.HashSet	projectCachesToReset
java.util.HashMap	reconcileDeltas
static boolean	VERBOSE

Constructor Summary

DeltaProcessor(DeltaProcessingState state, JavaModelManager manager)

Method Summary

void	checkExternalArchiveChanges(IJavaElement[] elementsScope, IProgressMonitor monitor)
void	fire(IJavaElementDelta customDelta, int eventType)
void	flush()
static long	getTimeStamp(java.io.File file)
void	registerJavaModelDelta(IJavaElementDelta delta)
void	resetProjectCaches()
void	resourceChanged(IResourceChangeEvent event)
protected void	touchProjects(IProject[] projectsToTouch, IProgressMonitor progressMonitor)
boolean	updateCurrentDeltaAndIndex(IResourceDelta delta, int elementType, DeltaProcessor.RootInfo rootInfo)
void	updateJavaModel(IJavaElementDelta customDelta)

Methods inherited from class java.lang.Object

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

Field Detail

DEBUG

public static boolean DEBUG

VERBOSE

public static boolean VERBOSE

PERF

public static boolean PERF

DEFAULT_CHANGE_EVENT

public static final int DEFAULT_CHANGE_EVENT

See Also:

Constant Field Values

javaModelDeltas

public java.util.ArrayList javaModelDeltas

reconcileDeltas

public java.util.HashMap reconcileDeltas

projectCachesToReset

public java.util.HashSet projectCachesToReset

oldRoots

public java.util.Map oldRoots

overridenEventType

public int overridenEventType

Constructor Detail

DeltaProcessor

public DeltaProcessor(DeltaProcessingState state,
                      JavaModelManager manager)

Method Detail

getTimeStamp

public static long getTimeStamp(java.io.File file)

checkExternalArchiveChanges

public void checkExternalArchiveChanges(IJavaElement[] elementsScope,
                                        IProgressMonitor monitor)
                                 throws JavaModelException

Throws:

JavaModelException

touchProjects

protected void touchProjects(IProject[] projectsToTouch,
                             IProgressMonitor progressMonitor)
                      throws CoreException

Throws:

CoreException

flush

public void flush()

fire

public void fire(IJavaElementDelta customDelta,
                 int eventType)

resetProjectCaches

public void resetProjectCaches()

registerJavaModelDelta

public void registerJavaModelDelta(IJavaElementDelta delta)

resourceChanged

public void resourceChanged(IResourceChangeEvent event)

updateCurrentDeltaAndIndex

public boolean updateCurrentDeltaAndIndex(IResourceDelta delta,
                                          int elementType,
                                          DeltaProcessor.RootInfo rootInfo)

updateJavaModel

public void updateJavaModel(IJavaElementDelta customDelta)