Deveel.Data.Sql.Cursors.CursorState Class Reference

Inheritance diagram for Deveel.Data.Sql.Cursors.CursorState:

Public Member Functions
void	Dispose ()

Package Functions
	CursorState (Cursor cursor)
void	Open (ITable result, SqlExpression[] args)
void	Close ()
Row	FetchRowFrom (ITable table, FetchDirection direction, int offset)

Properties
Cursor	Cursor [get, private set]
CursorStatus	Status [get, private set]
SqlExpression[]	OpenArguments [get, private set]
ITable	Result [get, private set]
int	CurrentOffset [get, set]

Private Member Functions
	~CursorState ()
void	Dispose (bool disposing)

Detailed Description

Definition at line 23 of file CursorState.cs.

Constructor & Destructor Documentation

Deveel.Data.Sql.Cursors.CursorState.CursorState ( Cursor  cursor )

inlinepackage

Definition at line 24 of file CursorState.cs.

                                            {
            if (cursor == null)
                throw new ArgumentNullException("cursor");

            Cursor = cursor;
        }

Deveel.Data.Sql.Cursors.CursorState.~CursorState ( )

inlineprivate

Definition at line 31 of file CursorState.cs.

                       {
            Dispose(false);
        }

Member Function Documentation

void Deveel.Data.Sql.Cursors.CursorState.Close ( )

inlinepackage

Definition at line 51 of file CursorState.cs.

                              {
            Status = CursorStatus.Closed;
            OpenArguments = null;
        }

void Deveel.Data.Sql.Cursors.CursorState.Dispose ( )

inline

Definition at line 86 of file CursorState.cs.

                              {
            Dispose(true);
            GC.SuppressFinalize(this);
        }

void Deveel.Data.Sql.Cursors.CursorState.Dispose ( bool  disposing )

inlineprivate

Definition at line 91 of file CursorState.cs.

                                             {
            if (disposing) {
                if (Result != null)
                    Result.Dispose();
            }

            Result = null;
            Cursor = null;
            Status = CursorStatus.Disposed;
        }

Row Deveel.Data.Sql.Cursors.CursorState.FetchRowFrom ( ITable  table, FetchDirection  direction, int  offset  )

inlinepackage

Definition at line 56 of file CursorState.cs.

                                                                                      {
            int rowOffset;
            if (direction == FetchDirection.Next) {
                rowOffset = CurrentOffset + 1;
            } else if (direction == FetchDirection.Prior) {
                rowOffset = CurrentOffset - 1;
            } else if (direction == FetchDirection.First) {
                rowOffset = CurrentOffset = 0;
            } else if (direction == FetchDirection.Last) {
                rowOffset = table.RowCount;
            } else if (direction == FetchDirection.Absolute) {
                rowOffset = offset;
            } else if (direction == FetchDirection.Relative) {
                rowOffset = CurrentOffset + offset;
            } else {
                // Should never happen
                throw new InvalidOperationException();
            }

            if (rowOffset < 0 || rowOffset >= table.RowCount)
                throw new IndexOutOfRangeException(
                    String.Format("The fetch offset '{0}' is smaller than zero or greater than the result set ({1}).", rowOffset,
                        table.RowCount));

            CurrentOffset = rowOffset;
            Status = CursorStatus.Fetching;

            return table.GetRow(rowOffset);
        }

void Deveel.Data.Sql.Cursors.CursorState.Open ( ITable  result, SqlExpression[]  args  )

inlinepackage

Definition at line 45 of file CursorState.cs.

                                                                {
            Status = CursorStatus.Open;
            Result = result;
            OpenArguments = args;
        }

Property Documentation

int Deveel.Data.Sql.Cursors.CursorState.CurrentOffset

getsetprivate

Definition at line 43 of file CursorState.cs.

Cursor Deveel.Data.Sql.Cursors.CursorState.Cursor

getprivate set

Definition at line 35 of file CursorState.cs.

SqlExpression [] Deveel.Data.Sql.Cursors.CursorState.OpenArguments

getprivate set

Definition at line 39 of file CursorState.cs.

ITable Deveel.Data.Sql.Cursors.CursorState.Result

getprivate setpackage

Definition at line 41 of file CursorState.cs.

CursorStatus Deveel.Data.Sql.Cursors.CursorState.Status

getprivate set

Definition at line 37 of file CursorState.cs.

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The documentation for this class was generated from the following file:

• /var/calculate/remote/distfiles/egit-src/deveeldb.git/src/deveeldb/Deveel.Data.Sql.Cursors/CursorState.cs