public virtual void Testsearch10()
{
NeoDatis.Btree.IBTreeSingleValuePerKey btree = GetBTree(3);
for (int i = 0; i < 10; i++)
{
btree.Insert(i, "key " + i);
}
AssertEquals(10, btree.GetSize());
AssertEquals("key 1", btree.Search(1));
AssertEquals("key 9", btree.Search(9));
NeoDatis.Btree.IBTreeNodeOneValuePerKey child3 = (NeoDatis.Btree.IBTreeNodeOneValuePerKey
)btree.GetRoot().GetChildAt(2, false);
AssertEquals(4, child3.GetNbKeys());
AssertEquals(6, child3.GetKeyAt(0));
AssertEquals(7, child3.GetKeyAt(1));
AssertEquals(8, child3.GetKeyAt(2));
AssertEquals(9, child3.GetKeyAt(3));
AssertEquals(null, child3.GetKeyAt(4));
}
public virtual void TestDelete100000Alpha_2()
{
NeoDatis.Btree.IBTreeSingleValuePerKey btree = GetBTree(2);
int size = 100000;
for (int i = 0; i < size; i++)
{
btree.Insert("key" + i, "value " + i);
}
object o = btree.Search("key71");
AssertEquals(size, btree.GetSize());
for (int i = size - 1; i >= 0; i--)
{
// println(new BTreeDisplay().build(btree));
AssertEquals("value " + i, btree.Delete("key" + i, "value " + i));
}
AssertEquals(0, btree.GetSize());
AssertEquals(1, btree.GetHeight());
AssertEquals(0, btree.GetRoot().GetNbKeys());
AssertEquals(0, btree.GetRoot().GetNbChildren());
}
public virtual void TestInsert3()
{
NeoDatis.Btree.IBTreeSingleValuePerKey btree = GetBTree(3);
btree.Insert(1, "key 1");
btree.Insert(2, "key 2");
btree.Insert(3, "key 3");
btree.Insert(4, "key 4");
btree.Insert(5, "key 5");
btree.Insert(6, "key 6");
AssertEquals(6, btree.GetSize());
AssertEquals("key 1", btree.Search(1));
AssertEquals("key 2", btree.Search(2));
AssertEquals("key 3", btree.Search(3));
AssertEquals("key 4", btree.Search(4));
AssertEquals("key 5", btree.Search(5));
AssertEquals("key 6", btree.Search(6));
AssertEquals(2, btree.GetRoot().GetNbChildren());
// child 1 should be [1,2]
NeoDatis.Btree.IBTreeNodeOneValuePerKey child1 = (NeoDatis.Btree.IBTreeNodeOneValuePerKey
)btree.GetRoot().GetChildAt(0, false);
AssertEquals(2, child1.GetNbKeys());
AssertEquals(0, child1.GetNbChildren());
AssertEquals("key 1", child1.GetKeyAndValueAt(0).GetValue());
AssertEquals(1, child1.GetKeyAndValueAt(0).GetKey());
// child 2 should be [4,5,6]
NeoDatis.Btree.IBTreeNodeOneValuePerKey child2 = (NeoDatis.Btree.IBTreeNodeOneValuePerKey
)btree.GetRoot().GetChildAt(1, false);
AssertEquals(3, child2.GetNbKeys());
AssertEquals(0, child2.GetNbChildren());
AssertEquals("key 4", child2.GetKeyAndValueAt(0).GetValue());
AssertEquals("key 5", child2.GetKeyAndValueAt(1).GetValue());
AssertEquals("key 6", child2.GetKeyAndValueAt(2).GetValue());
// child 2 should be null
NeoDatis.Btree.IBTreeNodeOneValuePerKey child3 = (NeoDatis.Btree.IBTreeNodeOneValuePerKey
)btree.GetRoot().GetChildAt(2, false);
AssertEquals(null, child3);
}
/// <summary>Execute query using index</summary>
/// <param name="index"></param>
/// <param name="inMemory"></param>
/// <param name="startIndex"></param>
/// <param name="endIndex"></param>
/// <param name="returnObjects"></param>
/// <returns></returns>
/// <exception cref="System.Exception">System.Exception</exception>
private NeoDatis.Odb.Objects <T> ExecuteUsingIndex <T>(NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfoIndex
index, bool inMemory, int startIndex, int endIndex, bool returnObjects, NeoDatis.Odb.Core.Query.Execution.IMatchingObjectAction
queryResultAction)
{
// Index that have not been used yet do not have persister!
if (index.GetBTree().GetPersister() == null)
{
index.GetBTree().SetPersister(new NeoDatis.Odb.Impl.Core.Btree.LazyODBBTreePersister
(storageEngine));
}
bool objectMatches = false;
long nbObjects = classInfo.GetNumberOfObjects();
long btreeSize = index.GetBTree().GetSize();
// the two values should be equal
if (nbObjects != btreeSize)
{
NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfo ci = storageEngine.GetSession(true
).GetMetaModel().GetClassInfoFromId(index.GetClassInfoId());
throw new NeoDatis.Odb.ODBRuntimeException(NeoDatis.Odb.Core.NeoDatisError.IndexIsCorrupted
.AddParameter(index.GetName()).AddParameter(ci.GetFullClassName()).AddParameter(
nbObjects).AddParameter(btreeSize));
}
if (NeoDatis.Odb.OdbConfiguration.IsDebugEnabled(LogId))
{
NeoDatis.Tool.DLogger.Debug("loading " + nbObjects + " instance(s) of " + classInfo
.GetFullClassName());
}
if (ExecuteStartAndEndOfQueryAction())
{
queryResultAction.Start();
}
PrepareQuery();
if (query != null)
{
queryHasOrderBy = query.HasOrderBy();
}
NeoDatis.Btree.IBTree tree = index.GetBTree();
bool isUnique = index.IsUnique();
// Iterator iterator = new BTreeIterator(tree,
// OrderByConstants.ORDER_BY_ASC);
System.IComparable key = ComputeIndexKey(classInfo, index);
System.Collections.IList list = null;
// If index is unique, get the object
if (isUnique)
{
NeoDatis.Btree.IBTreeSingleValuePerKey treeSingle = (NeoDatis.Btree.IBTreeSingleValuePerKey
)tree;
object o = treeSingle.Search(key);
if (o != null)
{
list = new System.Collections.ArrayList();
list.Add(o);
}
}
else
{
NeoDatis.Btree.IBTreeMultipleValuesPerKey treeMultiple = (NeoDatis.Btree.IBTreeMultipleValuesPerKey
)tree;
list = treeMultiple.Search(key);
}
if (list != null)
{
System.Collections.IEnumerator iterator = list.GetEnumerator();
while (iterator.MoveNext())
{
NeoDatis.Odb.OID oid = (NeoDatis.Odb.OID)iterator.Current;
// FIXME Why calling this method
long position = objectReader.GetObjectPositionFromItsOid(oid, true, true);
orderByKey = null;
objectMatches = MatchObjectWithOid(oid, returnObjects, inMemory);
if (objectMatches)
{
queryResultAction.ObjectMatch(oid, GetCurrentObjectMetaRepresentation(), orderByKey
);
}
}
queryResultAction.End();
return(queryResultAction.GetObjects <T>());
}
if (ExecuteStartAndEndOfQueryAction())
{
queryResultAction.End();
}
return(queryResultAction.GetObjects <T>());
}
