internal virtual void EvaluatePending(QCandidate a_root, QPending a_pending, int
a_secondResult)
{
var res = i_evaluator.Not(i_and
? ((a_pending._result + a_secondResult) > 0)
: (
a_pending._result + a_secondResult) > QPending.False);
if (HasJoins())
{
var i = IterateJoins();
while (i.MoveNext())
{
var qcj = (QConJoin
) i.Current;
a_root.Evaluate(new QPending(qcj, this, res));
}
}
else
{
if (!res)
{
Constraint1().DoNotInclude(a_root);
Constraint2().DoNotInclude(a_root);
}
}
}
public void Visit(object obj)
{
QCandidate candidate = (QCandidate)obj;
sb.Append(" ");
sb.Append(candidate._key);
}
public void Visit(object a_object)
{
QCandidate candidate = (QCandidate)a_object;
if (candidate.Include())
{
TreeInt ids = new TreeInt(candidate._key);
ByRef idsNew = new ByRef();
IEnumerator itPath = executionPath.GetEnumerator();
while (itPath.MoveNext())
{
idsNew.value = null;
string fieldName = (string)(itPath.Current);
if (ids != null)
{
ids.Traverse(new _IVisitor4_385(this, stream, fieldName, idsNew));
}
ids = (TreeInt)((TreeInt)idsNew.value);
}
if (ids != null)
{
ids.Traverse(new _IVisitor4_406(result));
}
}
}
internal virtual void EvaluatePending(QCandidate a_root, QPending a_pending, int
a_secondResult)
{
bool res = i_evaluator.Not(i_and ? ((a_pending._result + a_secondResult) > 0) : (
a_pending._result + a_secondResult) > QPending.False);
if (HasJoins())
{
IEnumerator i = IterateJoins();
while (i.MoveNext())
{
Db4objects.Db4o.Internal.Query.Processor.QConJoin qcj = (Db4objects.Db4o.Internal.Query.Processor.QConJoin
)i.Current;
a_root.Evaluate(new QPending(qcj, this, res));
}
}
else
{
if (!res)
{
Constraint1().DoNotInclude(a_root);
Constraint2().DoNotInclude(a_root);
}
}
}
public QCandidate ReadSubCandidate(QueryingReadContext context, ITypeHandler4 handler
)
{
ObjectID objectID = ObjectID.NotPossible;
try
{
int offset = context.Offset();
if (handler is IReadsObjectIds)
{
objectID = ((IReadsObjectIds)handler).ReadObjectID(context);
}
if (objectID.IsValid())
{
return(new QCandidate(this, null, objectID._id));
}
if (objectID == ObjectID.NotPossible)
{
context.Seek(offset);
object obj = context.Read(handler);
if (obj != null)
{
QCandidate candidate = new QCandidate(this, obj, context.Container().GetID(context
.Transaction(), obj));
candidate.ClassMetadata(context.Container().ClassMetadataForObject(obj));
return(candidate);
}
}
}
catch (Exception)
{
}
// FIXME: Catchall
return(null);
}
public _IClosure4_318(QCandidate _enclosing, ITypeHandler4 arrayElementHandler, IReadBuffer
buffer, QCandidates candidates)
{
this._enclosing = _enclosing;
this.arrayElementHandler = arrayElementHandler;
this.buffer = buffer;
this.candidates = candidates;
}
internal override bool Evaluate(QCandidate a_candidate)
{
if (!a_candidate.FieldIsAvailable())
{
VisitOnNull(a_candidate.GetRoot());
}
return true;
}
internal override bool Evaluate(QCandidate a_candidate)
{
if (!a_candidate.FieldIsAvailable())
{
VisitOnNull(a_candidate.GetRoot());
}
return(true);
}
internal virtual IPreparedComparison PrepareComparison(QCandidate candidate)
{
if (_preparedComparison != null)
{
return(_preparedComparison);
}
return(candidate.PrepareComparison(Container(), i_object));
}
internal override bool Evaluate(QConObject a_constraint, QCandidate a_candidate,
object a_value)
{
if (i_objectID == 0)
{
i_objectID = a_constraint.GetObjectID();
}
return(a_candidate._key == i_objectID);
}
internal override bool Evaluate(QConObject a_constraint, QCandidate a_candidate,
object a_value)
{
if (i_objectID == 0)
{
i_objectID = a_constraint.GetObjectID();
}
return a_candidate._key == i_objectID;
}
private ITypeHandler4 TypeHandlerFor(Db4objects.Db4o.Internal.Query.Processor.QCandidate
candidate)
{
Db4objects.Db4o.Internal.ClassMetadata classMetadata = candidate.ReadClassMetadata
();
if (classMetadata != null)
{
return(classMetadata.TypeHandler());
}
return(null);
}
internal override bool Evaluate(QCandidate a_candidate)
{
try
{
return(a_candidate.Evaluate(this, i_evaluator));
}
catch (Exception e)
{
return(false);
}
}
private ITypeHandler4 TypeHandlerFor(QCandidate
candidate)
{
var classMetadata = candidate.ReadClassMetadata
();
if (classMetadata != null)
{
return(classMetadata.TypeHandler());
}
return(null);
}
internal override bool Evaluate(QConObject a_constraint, QCandidate a_candidate,
object a_value)
{
IEnumerator i = i_evaluators.GetEnumerator();
while (i.MoveNext())
{
if (((QE)i.Current).Evaluate(a_constraint, a_candidate, a_value))
{
return true;
}
}
return false;
}
public object Apply(object current)
{
int id = ((int)current);
QCandidateBase candidate = new QCandidate(this._enclosing, null, id);
this._enclosing._result.SingleCandidate(candidate);
this._enclosing.Evaluate();
if (!candidate.Include())
{
return(Iterators.Skip);
}
return(current);
}
public object Apply(object current)
{
int id = ((int)current);
QCandidate candidate = new QCandidate(this._enclosing, null, id);
this._enclosing.i_root = candidate;
this._enclosing.Evaluate();
if (!candidate.Include())
{
return(Iterators.Skip);
}
return(current);
}
public void Visit(object obj)
{
Db4objects.Db4o.Internal.Query.Processor.QCandidate cand = (Db4objects.Db4o.Internal.Query.Processor.QCandidate
)obj;
if (cand.Include())
{
innerRes[0] = !isNot;
}
if (cand._pendingJoins != null)
{
cand._pendingJoins.Traverse(new _IVisitor4_173(pending));
}
}
internal override bool Evaluate(QCandidate a_candidate)
{
bool res = true;
IReflectClass claxx = a_candidate.ClassReflector();
if (claxx == null)
{
res = false;
}
else
{
res = i_equal ? _claxx.Equals(claxx) : _claxx.IsAssignableFrom(claxx);
}
return i_evaluator.Not(res);
}
internal virtual bool Evaluate(QConObject constraint, QCandidate candidate, object
obj)
{
IPreparedComparison prepareComparison = constraint.PrepareComparison(candidate);
if (obj == null)
{
return prepareComparison is Null;
}
if (prepareComparison is PreparedArrayContainsComparison)
{
return ((PreparedArrayContainsComparison)prepareComparison).IsEqual(obj);
}
return prepareComparison.CompareTo(obj) == 0;
}
public override object ShallowClone()
{
Db4objects.Db4o.Internal.Query.Processor.QCandidate qcan = new Db4objects.Db4o.Internal.Query.Processor.QCandidate
(_candidates);
qcan.SetBytes(_bytes);
qcan._dependants = _dependants;
qcan._include = _include;
qcan._member = _member;
qcan._pendingJoins = _pendingJoins;
qcan._root = _root;
qcan._classMetadata = _classMetadata;
qcan._fieldMetadata = _fieldMetadata;
return(base.ShallowCloneInternal(qcan));
}
public QCandidate Add(QCandidate candidate)
{
i_root = Tree.Add(i_root, candidate);
if (candidate._size == 0)
{
// This means that the candidate was already present
// and QCandidate does not allow duplicates.
// In this case QCandidate#isDuplicateOf will have
// placed the existing QCandidate in the i_root
// variable of the new candidate. We return it here:
return candidate.GetRoot();
}
return candidate;
}
internal override bool Evaluate(QConObject a_constraint, QCandidate a_candidate,
object a_value)
{
var i = i_evaluators.GetEnumerator();
while (i.MoveNext())
{
if (((QE)i.Current).Evaluate(a_constraint, a_candidate, a_value))
{
return(true);
}
}
return(false);
}
internal override bool Evaluate(QConObject constraint, QCandidate candidate, object
obj)
{
if (obj == null)
{
return false;
}
IPreparedComparison preparedComparison = constraint.PrepareComparison(candidate);
if (preparedComparison is PreparedArrayContainsComparison)
{
return ((PreparedArrayContainsComparison)preparedComparison).IsGreaterThan(obj);
}
return preparedComparison.CompareTo(obj) > 0;
}
public QCandidate Add(QCandidate candidate)
{
i_root = Tree.Add(i_root, candidate);
if (candidate._size == 0)
{
// This means that the candidate was already present
// and QCandidate does not allow duplicates.
// In this case QCandidate#isDuplicateOf will have
// placed the existing QCandidate in the i_root
// variable of the new candidate. We return it here:
return(candidate.GetRoot());
}
return(candidate);
}
internal virtual void DoNotInclude(QCandidate a_root)
{
if (DTrace.enabled)
{
DTrace.Donotinclude.Log(Id());
}
if (i_parent != null)
{
i_parent.Visit1(a_root, this, false);
}
else
{
a_root.DoNotInclude();
}
}
public override object ShallowClone()
{
var qcan = new QCandidate
(_candidates);
qcan.SetBytes(_bytes);
qcan._dependants = _dependants;
qcan._include = _include;
qcan._member = _member;
qcan._pendingJoins = _pendingJoins;
qcan._root = _root;
qcan._classMetadata = _classMetadata;
qcan._fieldMetadata = _fieldMetadata;
return(ShallowCloneInternal(qcan));
}
internal override bool Evaluate(QCandidate a_candidate)
{
bool res = true;
IReflectClass claxx = a_candidate.ClassReflector();
if (claxx == null)
{
res = false;
}
else
{
res = i_equal ? _claxx.Equals(claxx) : _claxx.IsAssignableFrom(claxx);
}
return(i_evaluator.Not(res));
}
internal override bool Evaluate(QConObject constraint, QCandidate candidate, object
obj)
{
if (obj == null)
{
return(false);
}
IPreparedComparison preparedComparison = constraint.PrepareComparison(candidate);
if (preparedComparison is PreparedArrayContainsComparison)
{
return(((PreparedArrayContainsComparison)preparedComparison).IsGreaterThan(obj));
}
return(preparedComparison.CompareTo(obj) > 0);
}
internal virtual bool Evaluate(QConObject constraint, QCandidate candidate, object
obj)
{
IPreparedComparison prepareComparison = constraint.PrepareComparison(candidate);
if (obj == null)
{
return(prepareComparison is Null);
}
if (prepareComparison is PreparedArrayContainsComparison)
{
return(((PreparedArrayContainsComparison)prepareComparison).IsEqual(obj));
}
return(prepareComparison.CompareTo(obj) == 0);
}
internal void VisitOnNull(QCandidate a_root)
{
// TODO: It may be more efficient to rule out
// all possible keepOnNull issues when starting
// evaluation.
IEnumerator i = IterateChildren();
while (i.MoveNext())
{
((Db4objects.Db4o.Internal.Query.Processor.QCon)i.Current).VisitOnNull(a_root);
}
if (VisitSelfOnNull())
{
Visit(a_root, IsNullConstraint());
}
}
public void Visit(object a_tree)
{
QCandidate parent = (QCandidate)a_tree;
if (parent.CreateChild(this))
{
return;
}
// No object found.
// All children constraints are necessarily false.
// Check immediately.
IEnumerator i = IterateConstraints();
while (i.MoveNext())
{
((QCon)i.Current).VisitOnNull(parent.GetRoot());
}
}
internal override bool Evaluate(QConObject constraint, QCandidate candidate, object
obj)
{
if (obj != null)
{
if (obj is ByteArrayBuffer)
{
obj = candidate.ReadString((ByteArrayBuffer)obj);
}
string candidateStringValue = obj.ToString();
string stringConstraint = constraint.GetObject().ToString();
if (!caseSensitive)
{
candidateStringValue = candidateStringValue.ToLower();
stringConstraint = stringConstraint.ToLower();
}
return(CompareStrings(candidateStringValue, stringConstraint));
}
return(constraint.GetObject() == null);
}
internal override bool Evaluate(QConObject constraint, QCandidate candidate, object
obj)
{
if (obj != null)
{
if (obj is ByteArrayBuffer)
{
obj = candidate.ReadString((ByteArrayBuffer)obj);
}
string candidateStringValue = obj.ToString();
string stringConstraint = constraint.GetObject().ToString();
if (!caseSensitive)
{
candidateStringValue = candidateStringValue.ToLower();
stringConstraint = stringConstraint.ToLower();
}
return CompareStrings(candidateStringValue, stringConstraint);
}
return constraint.GetObject() == null;
}
public override void Visit(object obj)
{
QCandidate qc = (QCandidate)obj;
bool res = true;
bool processed = false;
if (_checkClassMetadataOnly)
{
ClassMetadata yc = qc.ReadClassMetadata();
if (yc != null)
{
res = i_evaluator.Not(_classMetadata.GetHigherHierarchy(yc) == _classMetadata);
processed = true;
}
}
if (!processed)
{
res = Evaluate(qc);
}
Visit1(qc.GetRoot(), this, res);
}
internal virtual void Visit1(QCandidate root, Db4objects.Db4o.Internal.Query.Processor.QCon
reason, bool res)
{
// The a_reason parameter makes it eays to distinguish
// between calls from above (a_reason == this) and below.
if (HasJoins())
{
// this should probably be on the Join
IEnumerator i = IterateJoins();
while (i.MoveNext())
{
root.Evaluate(new QPending((QConJoin)i.Current, this, res));
}
}
else
{
if (!res)
{
DoNotInclude(root);
}
}
}
public override void Visit(object obj)
{
QCandidate candidate = (QCandidate)obj;
// force activation outside the try block
// so any activation errors bubble up
ForceActivation(candidate);
try
{
Platform4.EvaluationEvaluate(i_evaluation, candidate);
}
catch (Exception)
{
candidate.Include(false);
}
// TODO: implement Exception callback for the user coder
// at least for test cases
if (!candidate._include)
{
DoNotInclude(candidate.GetRoot());
}
}
private Db4objects.Db4o.Internal.Query.Processor.QCandidate ReadSubCandidate(QCandidates
candidateCollection)
{
Read();
if (_bytes == null || _fieldMetadata == null)
{
return null;
}
int offset = CurrentOffSet();
QueryingReadContext context = NewQueryingReadContext();
ITypeHandler4 handler = HandlerRegistry.CorrectHandlerVersion(context, _fieldMetadata
.GetHandler());
Db4objects.Db4o.Internal.Query.Processor.QCandidate subCandidate = candidateCollection
.ReadSubCandidate(context, handler);
Seek(offset);
if (subCandidate != null)
{
subCandidate._root = GetRoot();
return subCandidate;
}
return null;
}
private void ForceActivation(QCandidate candidate)
{
candidate.GetObject();
}
internal virtual void DoNotInclude(QCandidate a_root)
{
if (DTrace.enabled)
{
DTrace.Donotinclude.Log(Id());
}
if (i_parent != null)
{
i_parent.Visit1(a_root, this, false);
}
else
{
a_root.DoNotInclude();
}
}
/// <param name="candidate"></param>
internal virtual bool Evaluate(QCandidate candidate)
{
throw Exceptions4.VirtualException();
}
internal virtual void AddDependant(QCandidate
a_candidate)
{
_dependants = new List4(_dependants, a_candidate);
}
internal virtual QCandidate ToQCandidate(QCandidates candidates)
{
QCandidate qc = new QCandidate(candidates, null, _key);
qc._preceding = ToQCandidate((Db4objects.Db4o.Internal.TreeInt)((Tree)_preceding)
, candidates);
qc._subsequent = ToQCandidate((Db4objects.Db4o.Internal.TreeInt)((Tree)_subsequent
), candidates);
qc._size = _size;
return qc;
}
public override Tree OnAttemptToAddDuplicate(Tree oldNode)
{
_size = 0;
_root = (Db4objects.Db4o.Internal.Query.Processor.QCandidate)oldNode;
return oldNode;
}
internal override bool Evaluate(QCandidate a_candidate)
{
try
{
return a_candidate.Evaluate(this, i_evaluator);
}
catch (Exception e)
{
return false;
}
}
public QCandidate ReadSubCandidate(QueryingReadContext context, ITypeHandler4 handler
)
{
ObjectID objectID = ObjectID.NotPossible;
try
{
int offset = context.Offset();
if (handler is IReadsObjectIds)
{
objectID = ((IReadsObjectIds)handler).ReadObjectID(context);
}
if (objectID.IsValid())
{
return new QCandidate(this, null, objectID._id);
}
if (objectID == ObjectID.NotPossible)
{
context.Seek(offset);
object obj = context.Read(handler);
if (obj != null)
{
QCandidate candidate = new QCandidate(this, obj, context.Container().GetID(context
.Transaction(), obj));
candidate.ClassMetadata(context.Container().ClassMetadataForObject(obj));
return candidate;
}
}
}
catch (Exception)
{
}
// FIXME: Catchall
return null;
}
internal virtual QCandidate ToQCandidate(QCandidates candidates)
{
var qc = new QCandidate(candidates, null, _key);
qc._preceding = ToQCandidate((TreeInt) _preceding
, candidates);
qc._subsequent = ToQCandidate((TreeInt) _subsequent, candidates);
qc._size = _size;
return qc;
}
public _IClosure4_318(QCandidate _enclosing, ITypeHandler4 arrayElementHandler, IReadBuffer
buffer, QCandidates candidates)
{
this._enclosing = _enclosing;
this.arrayElementHandler = arrayElementHandler;
this.buffer = buffer;
this.candidates = candidates;
}
public _IVisitor4_229(QCandidate _enclosing)
{
this._enclosing = _enclosing;
}
public override Tree OnAttemptToAddDuplicate(Tree oldNode)
{
_size = 0;
_root = (QCandidate) oldNode;
return oldNode;
}
private ITypeHandler4 TypeHandlerFor(QCandidate
candidate)
{
var classMetadata = candidate.ReadClassMetadata
();
if (classMetadata != null)
{
return classMetadata.TypeHandler();
}
return null;
}
public override object ShallowClone()
{
Db4objects.Db4o.Internal.Query.Processor.QCandidate qcan = new Db4objects.Db4o.Internal.Query.Processor.QCandidate
(_candidates);
qcan.SetBytes(_bytes);
qcan._dependants = _dependants;
qcan._include = _include;
qcan._member = _member;
qcan._pendingJoins = _pendingJoins;
qcan._root = _root;
qcan._classMetadata = _classMetadata;
qcan._fieldMetadata = _fieldMetadata;
return base.ShallowCloneInternal(qcan);
}
internal override void DoNotInclude(QCandidate a_root)
{
Constraint1().DoNotInclude(a_root);
Constraint2().DoNotInclude(a_root);
}
internal void VisitOnNull(QCandidate a_root)
{
// TODO: It may be more efficient to rule out
// all possible keepOnNull issues when starting
// evaluation.
IEnumerator i = IterateChildren();
while (i.MoveNext())
{
((Db4objects.Db4o.Internal.Query.Processor.QCon)i.Current).VisitOnNull(a_root);
}
if (VisitSelfOnNull())
{
Visit(a_root, IsNullConstraint());
}
}
internal virtual void Visit1(QCandidate root, Db4objects.Db4o.Internal.Query.Processor.QCon
reason, bool res)
{
// The a_reason parameter makes it eays to distinguish
// between calls from above (a_reason == this) and below.
if (HasJoins())
{
// this should probably be on the Join
IEnumerator i = IterateJoins();
while (i.MoveNext())
{
root.Evaluate(new QPending((QConJoin)i.Current, this, res));
}
}
else
{
if (!res)
{
DoNotInclude(root);
}
}
}
internal virtual void Visit(QCandidate a_root, bool res)
{
Visit1(a_root, this, i_evaluator.Not(res));
}
internal override bool Evaluate(QCandidate a_candidate)
{
return(_value);
}
internal virtual IPreparedComparison PrepareComparison(QCandidate candidate)
{
if (_preparedComparison != null)
{
return _preparedComparison;
}
return candidate.PrepareComparison(Container(), i_object);
}
public object Apply(object current)
{
int id = ((int)current);
QCandidate candidate = new QCandidate(this._enclosing, null, id);
this._enclosing.i_root = candidate;
this._enclosing.Evaluate();
if (!candidate.Include())
{
return Iterators.Skip;
}
return current;
}
public override object ShallowClone()
{
var qcan = new QCandidate
(_candidates);
qcan.SetBytes(_bytes);
qcan._dependants = _dependants;
qcan._include = _include;
qcan._member = _member;
qcan._pendingJoins = _pendingJoins;
qcan._root = _root;
qcan._classMetadata = _classMetadata;
qcan._fieldMetadata = _fieldMetadata;
return ShallowCloneInternal(qcan);
}
