Cursor comments

SQLiteCursor -> AbstractWindowCursor -> AbstractCursor -> CrossProcessCursor

maxtrixCursor -> AbstractCursor-> CrossProcessCursor

AbstractCursor -> CrossProcesssCursor -> Cursor

CrossProcessCursorWrapper -> CursorWrap -> Cursor

CrossProcessCursorWrapper ->CrossProcesssCurso

Cursor: 提供用户使用的接口

maxtrixCursor: A mutable cursor implementation backed by an array of

Object

s. Use

newRow()

to add rows. Automatically expands internal capacity as needed.

CursorWindow: buffer contains multiple rows

CrossProcessCursor; The contents of a cross process cursor are marshalled to the remote process by filling

CursorWindow

objects using

fillWindow

CursorWrap: Wrapper class for Cursor that delegates all calls to the actual cursor object.