public bool IndexScan(out ReadOnlyCollection <AGraphElement> result, String indexId, IComparable literal,
BinaryOperator binOp)
{
IIndex index;
if (!IndexFactory.TryGetIndex(out index, indexId))
{
result = null;
return(false);
}
#region binary operation
switch (binOp)
{
case BinaryOperator.Equals:
if (!index.TryGetValue(out result, literal))
{
result = null;
return(false);
}
break;
case BinaryOperator.Greater:
result = FindElementsIndex(BinaryGreaterMethod, literal, index);
break;
case BinaryOperator.GreaterOrEquals:
result = FindElementsIndex(BinaryGreaterOrEqualMethod, literal, index);
break;
case BinaryOperator.LowerOrEquals:
result = FindElementsIndex(BinaryLowerOrEqualMethod, literal, index);
break;
case BinaryOperator.Lower:
result = FindElementsIndex(BinaryLowerMethod, literal, index);
break;
case BinaryOperator.NotEquals:
result = FindElementsIndex(BinaryNotEqualsMethod, literal, index);
break;
default:
result = null;
return(false);
}
#endregion
return(result.Count > 0);
}
public void TryGetIndexIntegrationTest()
{
Assert.Inconclusive("TODO.");
var target = new IndexFactory(); // TODO: Initialize to an appropriate value
IIndex index = null; // TODO: Initialize to an appropriate value
IIndex indexExpected = null; // TODO: Initialize to an appropriate value
string indexName = string.Empty; // TODO: Initialize to an appropriate value
bool expected = false; // TODO: Initialize to an appropriate value
bool actual;
actual = target.TryGetIndex(out index, indexName);
Assert.AreEqual(indexExpected, index);
Assert.AreEqual(expected, actual);
}
public bool SpatialIndexScan(out ReadOnlyCollection <AGraphElement> result, String indexId, IGeometry geometry)
{
IIndex index;
if (!IndexFactory.TryGetIndex(out index, indexId))
{
result = null;
return(false);
}
var spatialIndex = index as ISpatialIndex;
if (spatialIndex != null)
{
return(spatialIndex.TryGetValue(out result, geometry));
}
result = null;
return(false);
}
public bool FulltextIndexScan(out FulltextSearchResult result, String indexId, string searchQuery)
{
IIndex index;
if (!IndexFactory.TryGetIndex(out index, indexId))
{
result = null;
return(false);
}
var fulltextIndex = index as IFulltextIndex;
if (fulltextIndex != null)
{
return(fulltextIndex.TryQuery(out result, searchQuery));
}
result = null;
return(false);
}
public bool RangeIndexScan(out ReadOnlyCollection <AGraphElement> result, String indexId, IComparable leftLimit,
IComparable rightLimit, bool includeLeft, bool includeRight)
{
IIndex index;
if (!IndexFactory.TryGetIndex(out index, indexId))
{
result = null;
return(false);
}
var rangeIndex = index as IRangeIndex;
if (rangeIndex != null)
{
return(rangeIndex.Between(out result, leftLimit, rightLimit, includeLeft, includeRight));
}
result = null;
return(false);
}
