@Override
public Collection<DynamicRecord> put(long[] labelIds, NodeStore nodeStore) {
long existingLabelsField = node.getLabelField();
long existingLabelsBits = parseLabelsBody(existingLabelsField);
Collection<DynamicRecord> changedDynamicRecords = node.getDynamicLabelRecords();
if (labelField != 0) {
// There are existing dynamic label records, get them
nodeStore.ensureHeavy(node, existingLabelsBits);
changedDynamicRecords = node.getDynamicLabelRecords();
setNotInUse(changedDynamicRecords);
}
if (!new InlineNodeLabels(labelField, node)
.tryInlineInNodeRecord(labelIds, changedDynamicRecords)) {
Set<DynamicRecord> allRecords = new HashSet<>(changedDynamicRecords);
Collection<DynamicRecord> allocatedRecords =
nodeStore.allocateRecordsForDynamicLabels(
node.getId(), labelIds, changedDynamicRecords.iterator());
allRecords.addAll(allocatedRecords);
node.setLabelField(dynamicPointer(allocatedRecords), allocatedRecords);
changedDynamicRecords = allRecords;
}
return changedDynamicRecords;
}
@Override
public Collection<DynamicRecord> remove(long labelId, NodeStore nodeStore) {
nodeStore.ensureHeavy(node, parseLabelsBody(labelField));
Collection<DynamicRecord> existingRecords = node.getDynamicLabelRecords();
long[] existingLabelIds = nodeStore.getDynamicLabelsArray(existingRecords);
long[] newLabelIds = filter(existingLabelIds, labelId);
if (new InlineNodeLabels(labelField, node)
.tryInlineInNodeRecord(newLabelIds, existingRecords)) {
setNotInUse(existingRecords);
} else {
Collection<DynamicRecord> newRecords =
nodeStore.allocateRecordsForDynamicLabels(
node.getId(), newLabelIds, existingRecords.iterator());
node.setLabelField(dynamicPointer(newRecords), existingRecords);
if (!newRecords.equals(
existingRecords)) { // One less dynamic record, mark that one as not in use
for (DynamicRecord record : existingRecords) {
if (!newRecords.contains(record)) {
record.setInUse(false);
record.setLength(0); // so that it will not be made heavy again...
}
}
}
}
return existingRecords;
}
@Override
public Collection<DynamicRecord> add(long labelId, NodeStore nodeStore) {
nodeStore.ensureHeavy(node, parseLabelsBody(labelField));
Collection<DynamicRecord> existingRecords = node.getDynamicLabelRecords();
long[] existingLabelIds = nodeStore.getDynamicLabelsArray(existingRecords);
long[] newLabelIds = LabelIdArray.concatAndSort(existingLabelIds, labelId);
Collection<DynamicRecord> changedDynamicRecords =
nodeStore.allocateRecordsForDynamicLabels(
node.getId(), newLabelIds, existingRecords.iterator());
node.setLabelField(dynamicPointer(changedDynamicRecords), changedDynamicRecords);
return changedDynamicRecords;
}