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Bug 16105: Do not initialize the memory cache if not needed 

Cache::Memory is loaded and Koha::Cache::_initialize_memory is called
even if a memcached cache has been correctly initialize, it does not
make sense.
It should only be initialize if needed.

Test plan:
Correctly configure a memcache server and confirm that the memory cache
is not initialize.
Do not configure correctly a memcache server and confirm that the cache
system default on Cache::Memory

Signed-off-by: Chris Cormack <chrisc@catalyst.net.nz>

Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>

Signed-off-by: Brendan Gallagher <brendan@bywatersolutions.com>
(cherry picked from commit 2026be47fd)
Signed-off-by: Julian Maurice <julian.maurice@biblibre.com>
This commit is contained in:
Jonathan Druart 2016-03-18 13:39:27 +00:00 committed by Julian Maurice
parent 353bd00653
commit 33a3f9df09
1 changed files with 16 additions and 30 deletions
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46
Koha/Cache.pm
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@ -81,43 +81,29 @@ sub new {
$self->{'timeout'} ||= 0;
$self->{'namespace'} ||= $ENV{MEMCACHED_NAMESPACE} || 'koha';
if ( can_load( modules => { 'Cache::Memcached::Fast' => undef } ) ) {
_initialize_memcached($self);
if ( $self->{'default_type'} eq 'memcached'
&& defined( $self->{'memcached_cache'} ) )
{
$self->{'cache'} = $self->{'memcached_cache'};
}
if ( $self->{'default_type'} eq 'memcached'
&& can_load( modules => { 'Cache::Memcached::Fast' => undef } )
&& _initialize_memcached($self)
&& defined( $self->{'memcached_cache'} ) )
{
$self->{'cache'} = $self->{'memcached_cache'};
}
if ( $self->{'default_type'} eq 'fastmmap'
&& defined( $ENV{GATEWAY_INTERFACE} )
&& can_load( modules => { 'Cache::FastMmap' => undef } ) ) {
_initialize_fastmmap($self);
if ( defined( $self->{'fastmmap_cache'} ) )
{
$self->{'cache'} = $self->{'fastmmap_cache'};
}
&& can_load( modules => { 'Cache::FastMmap' => undef } )
&& _initialize_fastmmap($self)
&& defined( $self->{'fastmmap_cache'} ) )
{
$self->{'cache'} = $self->{'fastmmap_cache'};
}
if ( can_load( modules => { 'Cache::Memory' => undef } ) ) {
_initialize_memory($self);
if ( $self->{'default_type'} eq 'memory'
&& defined( $self->{'memory_cache'} ) )
{
$self->{'cache'} = $self->{'memory_cache'};
}
}
# Unless a default has already been picked, we go through in best-to-
# least-best order, looking for something we can use. fastmmap_cache
# is excluded because it doesn't support expiry in a useful way.
# Unless memcache or fastmmap has already been picked, use memory_cache
unless ( defined( $self->{'cache'} ) ) {
foreach my $cachemember (qw(memcached_cache memory_cache )) {
if ( defined( $self->{$cachemember} ) ) {
$self->{'cache'} = $self->{$cachemember};
last;
}
if ( can_load( modules => { 'Cache::Memory' => undef } )
&& _initialize_memory($self) )
{
$self->{'cache'} = $self->{'memory_cache'};
}
}