public void build(boolean computeSubtypes) {
JavaModelManager manager = JavaModelManager.getJavaModelManager();
try {
// optimize access to zip files while building hierarchy
manager.cacheZipFiles(this);
if (computeSubtypes) {
// Note by construction there always is a focus type here
IType focusType = getType();
boolean focusIsObject =
focusType.getElementName().equals(new String(IIndexConstants.OBJECT));
int amountOfWorkForSubtypes =
focusIsObject ? 5 : 80; // percentage of work needed to get possible subtypes
IProgressMonitor possibleSubtypesMonitor =
this.hierarchy.progressMonitor == null
? null
: new SubProgressMonitor(this.hierarchy.progressMonitor, amountOfWorkForSubtypes);
HashSet localTypes =
new HashSet(
10); // contains the paths that have potential subtypes that are local/anonymous
// types
String[] allPossibleSubtypes;
if (((Member) focusType).getOuterMostLocalContext() == null) {
// top level or member type
allPossibleSubtypes = determinePossibleSubTypes(localTypes, possibleSubtypesMonitor);
} else {
// local or anonymous type
allPossibleSubtypes = CharOperation.NO_STRINGS;
}
if (allPossibleSubtypes != null) {
IProgressMonitor buildMonitor =
this.hierarchy.progressMonitor == null
? null
: new SubProgressMonitor(
this.hierarchy.progressMonitor, 100 - amountOfWorkForSubtypes);
this.hierarchy.initialize(allPossibleSubtypes.length);
buildFromPotentialSubtypes(allPossibleSubtypes, localTypes, buildMonitor);
}
} else {
this.hierarchy.initialize(1);
buildSupertypes();
}
} finally {
manager.flushZipFiles(this);
}
}
