public void open() throws IOException {
_mappingDb = DefragmentServicesImpl.freshTempFile(_fileName, 1);
_idTree =
(_treeSpec == null
? new BTree(trans(), 0, new MappedIDPairHandler())
: new BTree(trans(), 0, new MappedIDPairHandler(), _treeSpec.nodeSize()));
_slotTree =
(_treeSpec == null
? new BTree(trans(), 0, new BTreeIdSystem.IdSlotMappingHandler())
: new BTree(
trans(), 0, new BTreeIdSystem.IdSlotMappingHandler(), _treeSpec.nodeSize()));
}
public void processClassCollection(final DefragmentServicesImpl services)
throws CorruptionException, IOException {
DefragmentContextImpl.processCopy(
services,
services.sourceClassCollectionID(),
new SlotCopyHandler() {
public void processCopy(DefragmentContextImpl context) {
if (Deploy.debug) {
context.readBegin(Const4.YAPCLASSCOLLECTION);
}
int acceptedClasses = 0;
int numClassesOffset = context.targetBuffer().offset();
acceptedClasses = copyAcceptedClasses(context, acceptedClasses);
writeIntAt(context.targetBuffer(), numClassesOffset, acceptedClasses);
if (Deploy.debug) {
context.readEnd();
}
}
private int copyAcceptedClasses(DefragmentContextImpl context, int acceptedClasses) {
int numClasses = context.readInt();
for (int classIdx = 0; classIdx < numClasses; classIdx++) {
int classId = context.sourceBuffer().readInt();
if (!accept(classId)) {
continue;
}
++acceptedClasses;
context.writeMappedID(classId);
}
return acceptedClasses;
}
private void writeIntAt(ByteArrayBuffer target, int offset, int value) {
int currentOffset = target.offset();
target.seek(offset);
target.writeInt(value);
target.seek(currentOffset);
}
private boolean accept(int classId) {
return services.accept(services.classMetadataForId(classId));
}
});
}
public void processClass(
final DefragmentServicesImpl services,
final ClassMetadata classMetadata,
int id,
final int classIndexID)
throws CorruptionException, IOException {
if (services.mappedID(id, -1) == -1) {
System.err.println("MAPPING NOT FOUND: " + id);
}
DefragmentContextImpl.processCopy(
services,
id,
new SlotCopyHandler() {
public void processCopy(DefragmentContextImpl context) {
classMetadata.defragClass(context, classIndexID);
}
});
}
public void processObjectSlot(
final DefragmentServicesImpl services, final ClassMetadata classMetadata, int id)
throws CorruptionException, IOException {
ByteArrayBuffer sourceBuffer = services.sourceBufferByID(id);
DefragmentContextImpl.processCopy(
services,
id,
new SlotCopyHandler() {
public void processCopy(DefragmentContextImpl context) {
ClassMetadata.defragObject(context);
if (_objectCommitFrequency > 0) {
_objectCount++;
if (_objectCount == _objectCommitFrequency) {
services.targetCommit();
services.mapping().commit();
_objectCount = 0;
}
}
}
},
sourceBuffer);
}
