public bool TryGetValuesPartial(IEnumerable <ICompoundIndexKey> myKeys, out ICloseableEnumerable <long> myVertexIDs)
{
LuceneReturn results = null;
var results_compound = new List <Tuple <long, IComparable, long> >();
foreach (var key in myKeys)
{
results = _LuceneIndex.GetEntriesInnerByField(_MaxResultsFirst, key.Key as String, key.PropertyID.ToString(), LuceneIndex.Fields.PROPERTY_ID);
if (results.TotalHits > _MaxResultsFirst)
{
results.Close();
results = _LuceneIndex.GetEntriesInnerByField(_MaxResultsFirst, key.Key as String, key.PropertyID.ToString(), LuceneIndex.Fields.PROPERTY_ID);
}
results_compound.AddRange(results.Where((e) => e.PropertyId != null).Select((e) => new Tuple <long, IComparable, long>((long)e.PropertyId, e.Text, e.VertexId)));
}
var grouped = from myresults in results_compound group myresults by myresults.Item3;
if (grouped.Count() > 0)
{
myVertexIDs = new CloseableEnumerable <long>(grouped.Select <IGrouping <long, Tuple <long, IComparable, long> >, long>((g) => g.Key), results.Close);
return(true);
}
else
{
myVertexIDs = null;
return(false);
}
}
/// <summary>
/// Returns all values associated with given key, if it exists.
/// </summary>
/// <param name="myKey">Search key</param>
/// <param name="myVertexIDs">Associated values</param>
/// <returns>True, if the key exists</returns>
public override bool TryGetValues(IComparable myKey, out ICloseableEnumerable <long> myVertexIDs)
{
if (!KeyNullSupportCheck(myKey))
{
throw new NullKeysNotSupportedException("This index does not support >null< as key.");
}
var values = new HashSet <long>();
var done = _Index.TryGetValue(myKey, out values);
if (values == null)
{
myVertexIDs = null;
}
else
{
myVertexIDs = new CloseableEnumerable <long>(values);
}
return(done);
}
/// <summary>
/// Returns all values associated with given key, if it exists.
/// </summary>
/// <param name="myKey">Search key</param>
/// <param name="myVertexIDs">Associated values</param>
/// <returns>True, if the key exists</returns>
public override bool TryGetValues(IComparable myKey, out ICloseableEnumerable<long> myVertexIDs)
{
if (!KeyNullSupportCheck(myKey))
{
throw new NullKeysNotSupportedException("This index does not support >null< as key.");
}
var values = new HashSet<long>();
var done = _Index.TryGetValue(myKey, out values);
if (values == null)
{
myVertexIDs = null;
}
else
{
myVertexIDs = new CloseableEnumerable<long>(values);
}
return done;
}
public bool TryGetValues(IEnumerable <ICompoundIndexKey> myKeys, out ICloseableEnumerable <long> myVertexIDs)
{
LuceneReturn results = null;
var results_compound = new List <Tuple <long, IComparable, long> >();
foreach (var key in myKeys)
{
results = _LuceneIndex.GetEntriesInnerByField(_MaxResultsFirst, key.Key as String, key.PropertyID.ToString(), LuceneIndex.Fields.PROPERTY_ID);
if (results.TotalHits > _MaxResultsFirst)
{
results.Close();
results = _LuceneIndex.GetEntriesInnerByField(results.TotalHits, key.Key as String, key.PropertyID.ToString(), LuceneIndex.Fields.PROPERTY_ID);
}
results_compound.AddRange(results
.Where((e) => e.PropertyId != null)
.Select((e) => new Tuple <long, IComparable, long>((long)e.PropertyId, e.Text, e.VertexId)));
}
var grouped = from myresults in results_compound group myresults by myresults.Item3;
if (grouped.Count() > 0)
{
var _myVertexIDs = grouped
.Where((myGroup) =>
{
var join =
from entry in myGroup
join key in myKeys
on new
{
JoinField1 = entry.Item2,
JoinField2 = entry.Item1
}
equals new
{
JoinField1 = key.Key,
JoinField2 = key.PropertyID
}
select entry;
if (join.Count() == myKeys.Count())
{
return(true);
}
else
{
return(false);
}
})
.Select <IGrouping <long, Tuple <long, IComparable, long> >, long>((g) => g.Key);
if (_myVertexIDs.Count() > 0)
{
myVertexIDs = new CloseableEnumerable <long>(_myVertexIDs, results.Close);
return(true);
}
else
{
myVertexIDs = null;
return(false);
}
}
else
{
myVertexIDs = null;
return(false);
}
}
public bool TryGetValuesPartial(IEnumerable<ICompoundIndexKey> myKeys, out ICloseableEnumerable<long> myVertexIDs)
{
LuceneReturn results = null;
var results_compound = new List<Tuple<long, IComparable, long>>();
foreach (var key in myKeys)
{
results = _LuceneIndex.GetEntriesInnerByField(_MaxResultsFirst, key.Key as String, key.PropertyID.ToString(), LuceneIndex.Fields.PROPERTY_ID);
if (results.TotalHits > _MaxResultsFirst)
{
results.Close();
results = _LuceneIndex.GetEntriesInnerByField(_MaxResultsFirst, key.Key as String, key.PropertyID.ToString(), LuceneIndex.Fields.PROPERTY_ID);
}
results_compound.AddRange(results.Where((e) => e.PropertyId != null).Select((e) => new Tuple<long, IComparable, long>((long)e.PropertyId, e.Text, e.VertexId)));
}
var grouped = from myresults in results_compound group myresults by myresults.Item3;
if (grouped.Count() > 0)
{
myVertexIDs = new CloseableEnumerable<long>(grouped.Select<IGrouping<long, Tuple<long, IComparable, long>>, long>((g) => g.Key), results.Close);
return true;
}
else
{
myVertexIDs = null;
return false;
}
}
public bool TryGetValues(IEnumerable<ICompoundIndexKey> myKeys, out ICloseableEnumerable<long> myVertexIDs)
{
LuceneReturn results = null;
var results_compound = new List<Tuple<long, IComparable, long>>();
foreach (var key in myKeys)
{
results = _LuceneIndex.GetEntriesInnerByField(_MaxResultsFirst, key.Key as String, key.PropertyID.ToString(), LuceneIndex.Fields.PROPERTY_ID);
if (results.TotalHits > _MaxResultsFirst)
{
results.Close();
results = _LuceneIndex.GetEntriesInnerByField(results.TotalHits, key.Key as String, key.PropertyID.ToString(), LuceneIndex.Fields.PROPERTY_ID);
}
results_compound.AddRange(results
.Where((e) => e.PropertyId != null)
.Select((e) => new Tuple<long, IComparable, long>((long)e.PropertyId, e.Text, e.VertexId)));
}
var grouped = from myresults in results_compound group myresults by myresults.Item3;
if (grouped.Count() > 0)
{
var _myVertexIDs = grouped
.Where((myGroup) =>
{
var join =
from entry in myGroup
join key in myKeys
on new
{
JoinField1 = entry.Item2,
JoinField2 = entry.Item1
}
equals new
{
JoinField1 = key.Key,
JoinField2 = key.PropertyID
}
select entry;
if (join.Count() == myKeys.Count())
{
return true;
}
else
{
return false;
}
})
.Select<IGrouping<long, Tuple<long, IComparable, long>>, long>((g) => g.Key);
if (_myVertexIDs.Count() > 0)
{
myVertexIDs = new CloseableEnumerable<long>(_myVertexIDs, results.Close);
return true;
}
else
{
myVertexIDs = null;
return false;
}
}
else
{
myVertexIDs = null;
return false;
}
}
