private int GetOrAssignId(MutableObjectIntMap <string> stringToId, MutableIntObjectMap <string> idToString, AtomicInteger nextId, string @string)
{
if (string.ReferenceEquals(@string, null))
{
return(-1);
}
if (stringToId.containsKey(@string))
{
return(stringToId.get(@string));
}
int id = nextId.incrementAndGet();
if (id > HighestPossibleId || stringToId.size() >= HighestPossibleId)
{
throw new System.InvalidOperationException(format("Modifying more than %d indexes or keys in a single transaction is not supported", HighestPossibleId + 1));
}
stringToId.put(@string, id);
idToString.put(id, @string);
return(id);
}
private Value[] GetValueTuple(NodeCursor node, PropertyCursor propertyCursor, int changedPropertyKeyId, Value changedValue, int[] indexPropertyIds, MutableIntObjectMap <Value> materializedValues)
{
Value[] values = new Value[indexPropertyIds.Length];
int missing = 0;
// First get whatever values we already have on the stack, like the value change that provoked this update in the first place
// and already loaded values that we can get from the map of materialized values.
for (int k = 0; k < indexPropertyIds.Length; k++)
{
values[k] = indexPropertyIds[k] == changedPropertyKeyId ? changedValue : materializedValues.get(indexPropertyIds[k]);
if (values[k] == null)
{
missing++;
}
}
// If we couldn't get all values that we wanted we need to load from the node. While we're loading values
// we'll place those values in the map so that other index updates from this change can just used them.
if (missing > 0)
{
node.Properties(propertyCursor);
while (missing > 0 && propertyCursor.Next())
{
int k = ArrayUtils.IndexOf(indexPropertyIds, propertyCursor.PropertyKey());
if (k >= 0 && values[k] == null)
{
int propertyKeyId = indexPropertyIds[k];
bool thisIsTheChangedProperty = propertyKeyId == changedPropertyKeyId;
values[k] = thisIsTheChangedProperty ? changedValue : propertyCursor.PropertyValue();
if (!thisIsTheChangedProperty)
{
materializedValues.put(propertyKeyId, values[k]);
}
missing--;
}
}
}
return(values);
}
