use strict;
use warnings FATAL => 'all';
+no warnings 'recursion';
use base 'DBM::Deep';
sub FETCH {
my $self = shift->_get_self;
DBM::Deep->_throw_error( "Cannot use an undefined hash key." ) unless defined $_[0];
- my $key = ($self->_storage->{filter_store_key})
- ? $self->_storage->{filter_store_key}->($_[0])
+ my $key = ($self->_engine->storage->{filter_store_key})
+ ? $self->_engine->storage->{filter_store_key}->($_[0])
: $_[0];
return $self->SUPER::FETCH( $key, $_[0] );
sub STORE {
my $self = shift->_get_self;
DBM::Deep->_throw_error( "Cannot use an undefined hash key." ) unless defined $_[0];
- my $key = ($self->_storage->{filter_store_key})
- ? $self->_storage->{filter_store_key}->($_[0])
+ my $key = ($self->_engine->storage->{filter_store_key})
+ ? $self->_engine->storage->{filter_store_key}->($_[0])
: $_[0];
my $value = $_[1];
sub EXISTS {
my $self = shift->_get_self;
DBM::Deep->_throw_error( "Cannot use an undefined hash key." ) unless defined $_[0];
- my $key = ($self->_storage->{filter_store_key})
- ? $self->_storage->{filter_store_key}->($_[0])
+ my $key = ($self->_engine->storage->{filter_store_key})
+ ? $self->_engine->storage->{filter_store_key}->($_[0])
: $_[0];
return $self->SUPER::EXISTS( $key );
sub DELETE {
my $self = shift->_get_self;
DBM::Deep->_throw_error( "Cannot use an undefined hash key." ) unless defined $_[0];
- my $key = ($self->_storage->{filter_store_key})
- ? $self->_storage->{filter_store_key}->($_[0])
+ my $key = ($self->_engine->storage->{filter_store_key})
+ ? $self->_engine->storage->{filter_store_key}->($_[0])
: $_[0];
return $self->SUPER::DELETE( $key, $_[0] );
##
my $self = shift->_get_self;
- ##
- # Request shared lock for reading
- ##
- $self->lock( $self->LOCK_SH );
+ $self->lock_shared;
my $result = $self->_engine->get_next_key( $self );
- $self->unlock();
+ $self->unlock;
- return ($result && $self->_storage->{filter_fetch_key})
- ? $self->_storage->{filter_fetch_key}->($result)
+ return ($result && $self->_engine->storage->{filter_fetch_key})
+ ? $self->_engine->storage->{filter_fetch_key}->($result)
: $result;
}
##
my $self = shift->_get_self;
- my $prev_key = ($self->_storage->{filter_store_key})
- ? $self->_storage->{filter_store_key}->($_[0])
+ my $prev_key = ($self->_engine->storage->{filter_store_key})
+ ? $self->_engine->storage->{filter_store_key}->($_[0])
: $_[0];
- ##
- # Request shared lock for reading
- ##
- $self->lock( $self->LOCK_SH );
+ $self->lock_shared;
my $result = $self->_engine->get_next_key( $self, $prev_key );
- $self->unlock();
+ $self->unlock;
- return ($result && $self->_storage->{filter_fetch_key})
- ? $self->_storage->{filter_fetch_key}->($result)
+ return ($result && $self->_engine->storage->{filter_fetch_key})
+ ? $self->_engine->storage->{filter_fetch_key}->($result)
: $result;
}
sub first_key { (shift)->FIRSTKEY(@_) }
sub next_key { (shift)->NEXTKEY(@_) }
+sub _clear {
+ my $self = shift;
+
+ while ( defined(my $key = $self->first_key) ) {
+ do {
+ $self->_engine->delete_key( $self, $key, $key );
+ } while defined($key = $self->next_key($key));
+ }
+
+ return;
+}
+
sub _copy_node {
my $self = shift;
my ($db_temp) = @_;
my $key = $self->first_key();
- while ($key) {
+ while (defined $key) {
my $value = $self->get($key);
$self->_copy_value( \$db_temp->{$key}, $value );
$key = $self->next_key($key);