/**
* Returns processed keyspace schema description that is also cached if
* possible (APC caching enabled).
*
* @param string $keyspace Optional keyspace, current used if not set
* @param boolean $useCache Should caching be used if possible
* @return array Keyspace schema description with column families metadata
*/
public function getKeyspaceSchema($keyspace = null, $useCache = true)
{
if ($keyspace === null) {
$keyspace = $this->cluster->getCurrentKeyspace();
}
$cacheKey = 'cassandra.schema|' . $keyspace;
$schema = false;
$storeSchema = false;
if ($useCache && function_exists('apc_fetch')) {
$schema = apc_fetch($cacheKey);
$storeSchema = true;
}
if ($schema !== false) {
return $schema;
}
$info = $this->describeKeyspace($keyspace);
$schema = array('name' => $info->name, 'placement-strategy' => $info->strategy_class, 'placement-strategy-options' => $info->strategy_options, 'replication-factor' => $info->replication_factor, 'column-families' => array());
foreach ($info->cf_defs as $columnFamily) {
$isSuper = $columnFamily->column_type == 'Super' ? true : false;
$schema['column-families'][$columnFamily->name] = array('name' => $columnFamily->name, 'super' => $isSuper, 'column-type' => $isSuper ? CassandraUtil::extractType($columnFamily->subcomparator_type) : CassandraUtil::extractType($columnFamily->comparator_type), 'super-type' => $isSuper ? CassandraUtil::extractType($columnFamily->comparator_type) : null, 'data-type' => CassandraUtil::extractType($columnFamily->default_validation_class), 'column-data-types' => array());
if (is_array($columnFamily->column_metadata) && !empty($columnFamily->column_metadata)) {
foreach ($columnFamily->column_metadata as $column) {
$schema['column-families'][$columnFamily->name]['column-data-types'][$column->name] = CassandraUtil::extractType($column->validation_class);
}
}
}
if ($storeSchema) {
apc_store($cacheKey, $schema, 3600);
}
return $schema;
}
/**
* @expectedException CassandraConnectionFailedException
*/
public function testClusterGetConnectionThrowsExceptionIfNoServersAdded()
{
$cluster = new CassandraCluster();
$cluster->getConnection();
}
