private CompositeReaderContext(CompositeReaderContext parent, CompositeReader reader, int ordInParent, int docbaseInParent, IList <IndexReaderContext> children, IList <AtomicReaderContext> leaves)
: base(parent, ordInParent, docbaseInParent)
{
this.children = Collections.UnmodifiableList(children);
this.leaves = leaves;
this.reader = reader;
}
private CompositeReaderContext(CompositeReaderContext parent, CompositeReader reader, int ordInParent, int docbaseInParent, IList <IndexReaderContext> children, IList <AtomicReaderContext> leaves)
: base(parent, ordInParent, docbaseInParent)
{
this.children = children.AsReadOnly();
this.leaves = leaves;
this.reader = reader;
}
/// <summary>
/// Creates a new <see cref="AtomicReaderContext"/>
/// </summary>
internal AtomicReaderContext(CompositeReaderContext parent, AtomicReader reader, int ord, int docBase, int leafOrd, int leafDocBase)
: base(parent, ord, docBase)
{
this.Ord = leafOrd;
this.DocBase = leafDocBase;
this.reader = reader;
this.leaves = IsTopLevel ? new[] { this } : null;
}
internal IndexReaderContext(CompositeReaderContext parent, int ordInParent, int docBaseInParent)
{
if (!(this is CompositeReaderContext || this is AtomicReaderContext))
{
throw new Exception("this class should never be extended by custom code!");
}
this.Parent = parent;
this.DocBaseInParent = docBaseInParent;
this.OrdInParent = ordInParent;
this.IsTopLevel = parent == null;
}
internal IndexReaderContext Build(CompositeReaderContext parent, IndexReader reader, int ord, int docBase)
{
var ar = reader as AtomicReader;
if (ar != null)
{
var atomic = new AtomicReaderContext(parent, ar, ord, docBase, leaves.Count, leafDocBase);
leaves.Add(atomic);
leafDocBase += reader.MaxDoc;
return(atomic);
}
else
{
CompositeReader cr = (CompositeReader)reader;
var sequentialSubReaders = cr.GetSequentialSubReaders();
var children = new IndexReaderContext[sequentialSubReaders.Count];
CompositeReaderContext newParent;
if (parent == null)
{
newParent = new CompositeReaderContext(cr, children, leaves);
}
else
{
newParent = new CompositeReaderContext(parent, cr, ord, docBase, children);
}
int newDocBase = 0;
for (int i = 0, c = sequentialSubReaders.Count; i < c; i++)
{
IndexReader r = sequentialSubReaders[i];
children[i] = Build(newParent, r, i, newDocBase);
newDocBase += r.MaxDoc;
}
if (Debugging.AssertsEnabled)
{
Debugging.Assert(newDocBase == cr.MaxDoc);
}
return(newParent);
}
}
/// <summary>
/// Creates a <see cref="CompositeReaderContext"/> for intermediate readers that aren't
/// not top-level readers in the current context
/// </summary>
internal CompositeReaderContext(CompositeReaderContext parent, CompositeReader reader, int ordInParent, int docbaseInParent, IList <IndexReaderContext> children)
: this(parent, reader, ordInParent, docbaseInParent, children, null)
{
}
