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Direktori : /home/opti/perl5/lib/perl5/MongoDB/Op/ |
Current File : /home/opti/perl5/lib/perl5/MongoDB/Op/_ListIndexes.pm |
# Copyright 2014 - present MongoDB, Inc. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. use strict; use warnings; package MongoDB::Op::_ListIndexes; # Encapsulate index list operation; returns array ref of index documents use version; our $VERSION = 'v2.0.2'; use Moo; use MongoDB::Error; use MongoDB::Op::_Command; use MongoDB::Op::_Query; use MongoDB::ReadConcern; use MongoDB::ReadPreference; use Types::Standard qw( InstanceOf ); use Tie::IxHash; use Try::Tiny; use Safe::Isa; use namespace::clean; has client => ( is => 'ro', required => 1, isa => InstanceOf ['MongoDB::MongoClient'], ); with $_ for qw( MongoDB::Role::_PrivateConstructor MongoDB::Role::_CollectionOp MongoDB::Role::_CommandCursorOp ); sub execute { my ( $self, $link, $topology ) = @_; my $res = $link->supports_list_commands ? $self->_command_list_indexes( $link, $topology ) : $self->_legacy_list_indexes( $link, $topology ); return $res; } sub _command_list_indexes { my ( $self, $link, $topology ) = @_; my $op = MongoDB::Op::_Command->_new( db_name => $self->db_name, query => Tie::IxHash->new( listIndexes => $self->coll_name, cursor => {} ), query_flags => {}, bson_codec => $self->bson_codec, monitoring_callback => $self->monitoring_callback, ); my $res = try { $op->execute( $link, $topology ); } catch { if ( $_->$_isa("MongoDB::DatabaseError") ) { return undef if $_->code == NAMESPACE_NOT_FOUND(); ## no critic: make $res undef } die $_; }; return $res ? $self->_build_result_from_cursor($res) : $self->_empty_query_result($link); } sub _legacy_list_indexes { my ( $self, $link, $topology ) = @_; my $ns = $self->db_name . "." . $self->coll_name; my $op = MongoDB::Op::_Query->_new( filter => Tie::IxHash->new( ns => $ns ), options => MongoDB::Op::_Query->precondition_options({}), bson_codec => $self->bson_codec, client => $self->client, coll_name => 'system.indexes', db_name => $self->db_name, full_name => $self->db_name . '.system.indexes', read_concern => MongoDB::ReadConcern->new, read_preference => MongoDB::ReadPreference->new, monitoring_callback => $self->monitoring_callback, ); return $op->execute( $link, $topology ); } 1;