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Code Issues Wiki Activity

[250309] [update policy] Assertion error in VM cache update handler

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[250396] [update policy] Cache prefetch does not work for the Expressions view
This commit is contained in:
Anton Leherbauer 2008-10-10 10:37:03 +00:00
parent b75a7f06bb
commit 228bfb3a4a
1 changed files with 53 additions and 45 deletions
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98
plugins/org.eclipse.dd.dsf.ui/src/org/eclipse/dd/dsf/ui/viewmodel/update/MultiLevelUpdateHandler.java
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@ -47,6 +47,7 @@ class MultiLevelUpdateHandler extends DataRequestMonitor<List<Object>> {
fPath = path;
fChildren = children;
fChildIndex = 0;
assert !isDone();
}
private boolean isDone() {
return fChildIndex == fChildren.size();
@ -114,7 +115,7 @@ class MultiLevelUpdateHandler extends DataRequestMonitor<List<Object>> {
private int fIndex = 0;
private TreePath fCurrentPath;
private int fLowIndex = 0;
private int fHighIndex = Integer.MAX_VALUE;
private int fHighIndex = Integer.MAX_VALUE - 1;
private int fPendingUpdates;
public MultiLevelUpdateHandler(Executor executor,
@ -135,7 +136,7 @@ class MultiLevelUpdateHandler extends DataRequestMonitor<List<Object>> {
}
void startUpdate() {
fContentProvider.update(new IChildrenUpdate[] {
new VMChildrenUpdate(fCurrentPath, fViewerInput, fPresentationContext, -1, -1, this)
new VMChildrenUpdate(fCurrentPath, fViewerInput, fPresentationContext, fLowIndex, fHighIndex - fLowIndex + 1, this)
});
}
void setRange(int low, int high) {
@ -166,51 +167,58 @@ class MultiLevelUpdateHandler extends DataRequestMonitor<List<Object>> {
}
}
protected void processNext() {
if (fIndex > fHighIndex) {
fStack.clear();
}
if (fStack.isEmpty()) {
fRequestMonitor.setDoneCount(fPendingUpdates);
super.done();
return;
}
UpdateLevel current = fStack.peek();
TreePath path = current.fPath;
Object data = current.nextChild();
path = path.createChildPath(data);
if (current.isDone()) {
fStack.pop();
}
if (fIndex >= fLowIndex && fIndex <= fHighIndex) {
if(data instanceof IAdaptable) {
IElementLabelProvider labelProvider = (IElementLabelProvider) ((IAdaptable)data).getAdapter(IElementLabelProvider.class);
if (labelProvider != null) {
++fPendingUpdates;
labelProvider.update(new ILabelUpdate[] {
new DummyLabelUpdate(data, path, fRequestMonitor)
});
}
}
}
fIndex++;
if (fViewer instanceof TreeViewer) {
TreeViewer treeViewer = (TreeViewer) fViewer;
if (treeViewer.getExpandedState(data)) {
fCurrentPath = path;
fContentProvider.update(new IChildrenUpdate[] {
new VMChildrenUpdate(path, fViewerInput, fPresentationContext, -1, -1, this)
});
while (true) {
if (fIndex > fHighIndex) {
fStack.clear();
}
if (fStack.isEmpty()) {
fRequestMonitor.setDoneCount(fPendingUpdates);
super.done();
return;
} else {
// update also the hasChildren flag
++fPendingUpdates;
fContentProvider.update(new IHasChildrenUpdate[] {
new VMHasChildrenUpdate(path, fViewerInput, fPresentationContext, new DataRequestMonitor<Boolean>(fExecutor, fRequestMonitor))
});
}
UpdateLevel current = fStack.peek();
assert !current.isDone();
TreePath path = current.fPath;
Object data = current.nextChild();
if (current.isDone()) {
fStack.pop();
}
if (data == null) {
// consider null children - http://bugs.eclipse.org/250309
++fIndex;
continue;
}
path = path.createChildPath(data);
if (fIndex >= fLowIndex && fIndex <= fHighIndex) {
if(data instanceof IAdaptable) {
IElementLabelProvider labelProvider = (IElementLabelProvider) ((IAdaptable)data).getAdapter(IElementLabelProvider.class);
if (labelProvider != null) {
++fPendingUpdates;
labelProvider.update(new ILabelUpdate[] {
new DummyLabelUpdate(data, path, fRequestMonitor)
});
}
}
}
fIndex++;
if (fViewer instanceof TreeViewer) {
TreeViewer treeViewer = (TreeViewer) fViewer;
if (treeViewer.getExpandedState(data)) {
fCurrentPath = path;
fContentProvider.update(new IChildrenUpdate[] {
new VMChildrenUpdate(path, fViewerInput, fPresentationContext, -1, -1, this)
});
return;
} else {
// update also the hasChildren flag
++fPendingUpdates;
fContentProvider.update(new IHasChildrenUpdate[] {
new VMHasChildrenUpdate(path, fViewerInput, fPresentationContext, new DataRequestMonitor<Boolean>(fExecutor, fRequestMonitor))
});
}
}
}
processNext();
}
}