class Mongo::Cursor::Builder::OpKillCursors
Encapsulates behavior around generating an OP_KILL_CURSORS specification.
@since 2.2.0
Attributes
cursor[R]
@return [ Cursor
] cursor The cursor.
Public Class Methods
get_cursors_list(spec)
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Get the list of cursor ids from a spec generated by this Builder
.
@example Get the list of cursor ids.
OpKillCursors.cursors(spec)
@return [ Array<Integer> ] The cursor ids.
@since 2.3.0
# File lib/mongo/cursor/builder/op_kill_cursors.rb, line 89 def get_cursors_list(spec) spec[:cursor_ids].map do |value| if value.respond_to?(:value) # bson-ruby >= 4.6.0 value.value else value.instance_variable_get('@integer') end end end
new(cursor)
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Create the new builder.
@example Create the builder.
OpKillCursors.new(cursor)
@param [ Cursor
] cursor The cursor.
@since 2.2.0
# File lib/mongo/cursor/builder/op_kill_cursors.rb, line 38 def initialize(cursor) @cursor = cursor end
update_cursors(spec, ids)
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Update a specification's list of cursor ids.
@example Update a specification's list of cursor ids.
OpKillCursors.update_cursors(spec, ids)
@return [ Hash ] The specification. @return [ Array<Integer> ] The ids to update with.
@since 2.3.0
# File lib/mongo/cursor/builder/op_kill_cursors.rb, line 69 def update_cursors(spec, ids) # Ruby 2.5+ can & BSON::Int64 instances. # Ruby 2.4 and earlier cannot. # Convert stored ids to Ruby integers for compatibility with # older Rubies. ids = get_cursors_list(spec) & ids ids = ids.map do |cursor_id| BSON::Int64.new(cursor_id) end spec.merge!(cursor_ids: ids) end
Public Instance Methods
specification()
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Get the specification.
@example Get the specification.
op_kill_cursors.specification
@return [ Hash ] The specification.
@since 2.2.0
# File lib/mongo/cursor/builder/op_kill_cursors.rb, line 50 def specification { coll_name: collection_name, db_name: database.name, cursor_ids: [ BSON::Int64.new(cursor.id) ], } end