Bio::EnsEMBL::Utils::SeqRegionCache Class Reference

Public Member Functions
public	new ()

Detailed Description

Synopsis

use Bio::EnsEMBL::DBSQL::DBAdaptor;
 
$db = Bio::EnsEMBL::DBSQL::DBAdaptor->new(...);
 
$seq_region_cache = $db->get_SeqRegionCache();
 
$key = "$seq_region_name:$coord_system_id";
 
$array = $seq_region_cache->{$key};
 
if ($array) {
  $name   = $array->[1];
  $length = $array->[3];
} else {
  # cache miss, get the info from the database
  # ...
 
  # cache the retrieved information
  $seq_region_cache->{$key} = [
    $seq_region_id,   $seq_region_name,
    $coord_system_id, $seq_region_length
  ];
}

Description

This module is simply a convenient place to put a cache of sequence
region information which is shared by several adaptors for a given
database.

Definition at line 40 of file SeqRegionCache.pm.

Member Function Documentation

new()

public Bio::EnsEMBL::Utils::SeqRegionCache::new

(

)

Undocumented method

Code:

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The documentation for this class was generated from the following file:

• ensembl/modules/Bio/EnsEMBL/Utils/SeqRegionCache.pm