public GroupByValuesQueryResultAction(IInternalValuesQuery query, IInstanceBuilder instanceBuilder)
{
_query = query;
_queryHasOrderBy = query.HasOrderBy();
_instanceBuilder = instanceBuilder;
_returnArraySize = query.ObjectActionsCount;
_groupByFieldList = query.GetGroupByFieldList();
_groupByResult = new OdbHashMap <IOdbComparable, ValuesQueryResultAction>();
}
public void Start()
{
if (_query != null && _query.HasOrderBy())
{
_result = new InMemoryBTreeCollectionForValues(_query.GetOrderByType());
}
else
{
_result = new SimpleListForValues(_returnArraySize);
}
for (var i = 0; i < _returnArraySize; i++)
{
var queryFieldAction = _queryFieldActions[i];
queryFieldAction.Start();
}
}
// Nothing to do
public void End()
{
if (_query != null && _query.HasOrderBy())
{
_result = new InMemoryBTreeCollectionForValues(_query.GetOrderByType());
}
else
{
_result = new SimpleListForValues(_returnArraySize);
}
foreach (var key in _groupByResult.Keys)
{
var vqra = _groupByResult[key];
vqra.End();
Merge(key, vqra.GetValues());
}
}
public ValuesQueryResultAction(IInternalValuesQuery query, IStorageEngine storageEngine,
IInstanceBuilder instanceBuilder)
{
_engine = storageEngine;
_query = query;
_queryHasOrderBy = query.HasOrderBy();
_returnArraySize = query.ObjectActionsCount;
_queryFieldActions = new IQueryFieldAction[_returnArraySize];
var i = 0;
foreach (var action in _query.GetObjectActions())
{
_queryFieldActions[i] = action.Copy();
_queryFieldActions[i].SetReturnInstance(query.ReturnInstance());
((AbstractQueryFieldAction)_queryFieldActions[i]).SetInstanceBuilder(instanceBuilder);
i++;
}
}
