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# Copyright (C) 2017 MongoDB Inc.
#
# This program is free software: you can redistribute it and/or  modify
# it under the terms of the GNU Affero General Public License, version 3,
# as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

# This IDL file describes the BSON format for a GenericCursor, and
# handles the serialization to and deserialization from its BSON representation
# for that class.

global:
  cpp_namespace: "mongo"

imports:
  - "mongo/db/logical_session_id.idl"
  - "mongo/idl/basic_types.idl"

structs:
  GenericCursor:
    description: "A struct representing a cursor in either mongod or mongos"
    fields:
      cursorId:
        description: The cursor id of the cursor.
        type: long
        optional: true
      ns:
        description: The namespace of the cursor. 
        type: namespacestring
        optional: true
      createdDate:
        description: The time and date the cursor was created.
        type: date
        optional: true
      lastAccessDate:
        description: The last time the cursor was used (was pinned).
        type: date
        optional: true
      nDocsReturned:
        description: The number of docs returned by the cursor.
        type: long
        optional: true
      nBatchesReturned:
        description: The number of batches returned by the cursor.
        type: long
        optional: true
      noCursorTimeout:
        description: If true the cursor will not be timed out because of inactivity. 
        type: bool
        optional: true
      tailable: 
        description: Whether the cursor is tailable and remains open after exhausting all documents in the find.
        type: bool
        optional: true
      awaitData:
        description: Whether this is a tailable and awaitData cursor that will block waiting for new data to be inserted into a capped collection. 
        type: bool
        optional: true
      originatingCommand:
        description: The bson object containing the command that created the cursor.
        type: object
        optional: true
      lsid:
        type: LogicalSessionId
        optional: true
      planSummary: 
        description: The plan summary of this cursor's query.
        type: string
        optional: true
      operationUsingCursorId:
        description: The op ID of the operation pinning the cursor. Will be empty for idle cursors.
        type: long
        optional: true