public final void notify(final String upstreamDependency, String downstreamDependency) {
if (downstreamDependency == null) {
notifyForGenericListener(upstreamDependency);
return;
}
// Handle if the downstream dependency is "class level", meaning we need to figure out the
// specific downstream MID this metadata provider wants to update/refresh.
if (MetadataIdentificationUtils.isIdentifyingClass(downstreamDependency)) {
// We have not identified an instance-specific downstream MID, so we'll need to calculate an
// instance-specific downstream MID to retrieve.
downstreamDependency = resolveDownstreamDependencyIdentifier(upstreamDependency);
// We skip if the resolution method returns null, as it doesn't want to continue for some
// reason
if (downstreamDependency == null) {
return;
}
Assert.isTrue(
MetadataIdentificationUtils.isIdentifyingInstance(downstreamDependency),
"An instance-specific downstream MID was required by '"
+ getClass().getName()
+ "' (not '"
+ downstreamDependency
+ "')");
// We only need to proceed if the downstream dependency relationship is not already
// registered.
// It is unusual to register a direct downstream relationship given it costs dependency
// registration memory and class-level notifications will always occur anyway.
if (metadataDependencyRegistry
.getDownstream(upstreamDependency)
.contains(downstreamDependency)) {
return;
}
}
// We should now have an instance-specific "downstream dependency" that can be processed by this
// class
Assert.isTrue(
MetadataIdentificationUtils.getMetadataClass(downstreamDependency)
.equals(MetadataIdentificationUtils.getMetadataClass(getProvidesType())),
"Unexpected downstream notification for '"
+ downstreamDependency
+ "' to this provider (which uses '"
+ getProvidesType()
+ "'");
// We no longer notify downstreams here, as the "get" operation with eviction will ensure the
// main get(String) method below will be fired and it
// directly notified downstreams as part of that method (BPA 10 Dec 2010)
metadataService.get(downstreamDependency, true);
}
public void notifyDownstream(final String upstreamDependency) {
try {
metadataLogger.startEvent();
if (metadataService != null) {
// First dispatch the fine-grained, instance-specific
// dependencies.
Set<String> notifiedDownstreams = new HashSet<String>();
for (final String downstream : getDownstream(upstreamDependency)) {
if (metadataLogger.getTraceLevel() > 0) {
metadataLogger.log(upstreamDependency + " -> " + downstream);
}
// No need to ensure upstreamDependency is different from
// downstream, as that's taken care of in the
// isValidDependency() method
try {
final String responsibleClass =
MetadataIdentificationUtils.getMetadataClass(downstream);
metadataLogger.startTimer(responsibleClass);
metadataService.notify(upstreamDependency, downstream);
} finally {
metadataLogger.stopTimer();
}
notifiedDownstreams.add(downstream);
}
// Next dispatch the coarse-grained, class-specific
// dependencies.
// We only do it if the upstream is not class specific, as
// otherwise we'd have handled class-specific dispatch in
// previous loop
if (!MetadataIdentificationUtils.isIdentifyingClass(upstreamDependency)) {
final String asClass = MetadataIdentificationUtils.getMetadataClassId(upstreamDependency);
for (final String downstream : getDownstream(asClass)) {
// We don't notify a downstream if it had a direct
// instance-specific dependency and was already notified
// in previous loop
// We also don't notify if upstream is the same as
// downstream, as it doesn't make sense to notify
// yourself of an event
// (such a condition is only possible if an instance
// registered to receive class-specific notifications
// and that instance
// caused an event to fire)
if (!notifiedDownstreams.contains(downstream)
&& !upstreamDependency.equals(downstream)) {
if (metadataLogger.getTraceLevel() > 0) {
metadataLogger.log(upstreamDependency + " -> " + downstream + " [via class]");
}
try {
final String responsibleClass =
MetadataIdentificationUtils.getMetadataClass(downstream);
metadataLogger.startTimer(responsibleClass);
metadataService.notify(upstreamDependency, downstream);
} finally {
metadataLogger.stopTimer();
}
}
}
}
notifiedDownstreams = null;
}
// Finally dispatch the general-purpose additional listeners
for (final MetadataNotificationListener listener : listeners) {
if (metadataLogger.getTraceLevel() > 1) {
metadataLogger.log(
upstreamDependency
+ " -> "
+ upstreamDependency
+ " ["
+ listener.getClass().getSimpleName()
+ "]");
}
try {
final String responsibleClass = listener.getClass().getName();
metadataLogger.startTimer(responsibleClass);
listener.notify(upstreamDependency, null);
} finally {
metadataLogger.stopTimer();
}
}
} finally {
metadataLogger.stopEvent();
}
}
public void notify(String upstreamDependency, String downstreamDependency) {
ProjectMetadata projectMetadata = projectOperations.getProjectMetadata();
if (projectMetadata == null) {
return;
}
if (MetadataIdentificationUtils.isIdentifyingClass(downstreamDependency)) {
Assert.isTrue(
MetadataIdentificationUtils.getMetadataClass(upstreamDependency)
.equals(
MetadataIdentificationUtils.getMetadataClass(
PhysicalTypeIdentifier.getMetadataIdentiferType())),
"Expected class-level notifications only for PhysicalTypeIdentifier (not '"
+ upstreamDependency
+ "')");
ClassOrInterfaceTypeDetails cid =
typeLocationService.getTypeForIdentifier(upstreamDependency);
boolean processed = false;
if (MemberFindingUtils.getAnnotationOfType(cid.getAnnotations(), RooJavaType.ROO_GWT_REQUEST)
!= null) {
ClassOrInterfaceTypeDetails proxy = gwtTypeService.lookupProxyFromRequest(cid);
if (proxy != null) {
JavaType typeName = PhysicalTypeIdentifier.getJavaType(proxy.getDeclaredByMetadataId());
Path typePath = PhysicalTypeIdentifier.getPath(proxy.getDeclaredByMetadataId());
downstreamDependency = GwtLocatorMetadata.createIdentifier(typeName, typePath);
processed = true;
}
}
if (!processed
&& MemberFindingUtils.getAnnotationOfType(cid.getAnnotations(), RooJavaType.ROO_GWT_PROXY)
== null) {
boolean found = false;
for (ClassOrInterfaceTypeDetails classOrInterfaceTypeDetails :
typeLocationService.findClassesOrInterfaceDetailsWithAnnotation(
RooJavaType.ROO_GWT_PROXY)) {
AnnotationMetadata annotationMetadata =
GwtUtils.getFirstAnnotation(
classOrInterfaceTypeDetails, GwtUtils.ROO_PROXY_REQUEST_ANNOTATIONS);
if (annotationMetadata != null) {
AnnotationAttributeValue<?> attributeValue = annotationMetadata.getAttribute("value");
if (attributeValue != null) {
String mirrorName = GwtUtils.getStringValue(attributeValue);
if (mirrorName != null
&& cid.getName().getFullyQualifiedTypeName().equals(attributeValue.getValue())) {
found = true;
JavaType typeName =
PhysicalTypeIdentifier.getJavaType(
classOrInterfaceTypeDetails.getDeclaredByMetadataId());
Path typePath =
PhysicalTypeIdentifier.getPath(
classOrInterfaceTypeDetails.getDeclaredByMetadataId());
downstreamDependency = GwtLocatorMetadata.createIdentifier(typeName, typePath);
break;
}
}
}
}
if (!found) {
return;
}
} else if (!processed) {
// A physical Java type has changed, and determine what the corresponding local metadata
// identification string would have been
JavaType typeName = PhysicalTypeIdentifier.getJavaType(upstreamDependency);
Path typePath = PhysicalTypeIdentifier.getPath(upstreamDependency);
downstreamDependency = GwtLocatorMetadata.createIdentifier(typeName, typePath);
}
// We only need to proceed if the downstream dependency relationship is not already registered
// (if it's already registered, the event will be delivered directly later on)
if (metadataDependencyRegistry
.getDownstream(upstreamDependency)
.contains(downstreamDependency)) {
return;
}
}
// We should now have an instance-specific "downstream dependency" that can be processed by this
// class
Assert.isTrue(
MetadataIdentificationUtils.getMetadataClass(downstreamDependency)
.equals(MetadataIdentificationUtils.getMetadataClass(getProvidesType())),
"Unexpected downstream notification for '"
+ downstreamDependency
+ "' to this provider (which uses '"
+ getProvidesType()
+ "'");
metadataService.get(downstreamDependency, true);
}
