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# Copyright 2016 - 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::Role::_DatabaseErrorThrower;
# MongoDB interface for providing the last database error
use version;
our $VERSION = 'v2.0.2';
use Moo::Role;
use MongoDB::Error;
use namespace::clean;
requires qw/last_errmsg last_code last_wtimeout last_error_labels/;
my $ANY_DUP_KEY = [ DUPLICATE_KEY, DUPLICATE_KEY_UPDATE, DUPLICATE_KEY_CAPPED ];
my $ANY_NOT_MASTER = [ NOT_MASTER, NOT_MASTER_NO_SLAVE_OK, NOT_MASTER_OR_SECONDARY ];
# analyze last_errmsg and last_code and throw an appropriate
# error message.
sub _throw_database_error {
my ( $self, $error_class ) = @_;
$error_class ||= "MongoDB::DatabaseError";
my $err = $self->last_errmsg;
my $code = $self->last_code;
my $error_labels = $self->last_error_labels;
if ( grep { $code == $_ } @$ANY_NOT_MASTER || $err =~ /^(?:not master|node is recovering)/ ) {
$error_class = "MongoDB::NotMasterError";
}
elsif ( grep { $code == $_ } @$ANY_DUP_KEY ) {
$error_class = "MongoDB::DuplicateKeyError";
}
elsif ( $code == CURSOR_NOT_FOUND ) {
$error_class = "MongoDB::CursorNotFoundError";
}
elsif ( $self->last_wtimeout ) {
$error_class = "MongoDB::WriteConcernError";
}
$error_class->throw(
result => $self,
code => $code || UNKNOWN_ERROR,
error_labels => $error_labels,
( length($err) ? ( message => $err ) : () ),
);
}
1;
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