private function array_to_columns($array, $timestamp = null, $ttl = null)
{
if (empty($timestamp)) {
$timestamp = CassandraUtil::get_time();
}
$ret = null;
foreach ($array as $name => $value) {
$column = new cassandra_Column();
$column->name = $this->pack_name($name, false);
$column->value = $this->pack_value($value, $name);
$column->timestamp = $timestamp;
$column->ttl = $ttl;
$ret[] = $column;
}
return $ret;
}
public function array_to_columns($array, $timestamp = null)
{
if (empty($timestamp)) {
$timestamp = CassandraUtil::get_time();
}
$ret = null;
foreach ($array as $name => $value) {
$column = new cassandra_Column();
$column->name = $this->unparse_column_name($name, false);
$column->value = $this->to_column_value($value);
$column->timestamp = $timestamp;
$ret[] = $column;
}
return $ret;
}
protected static function mintTime($node = NULL, $time_arg = NULL)
{
/* Generates a Version 1 UUID.
These are derived from the time at which they were generated. */
// Get time since Gregorian calendar reform in 100ns intervals
// This is exceedingly difficult because of PHP's (and pack()'s)
// integer size limits.
// Note that this will never be more accurate than to the microsecond.
if ($time_arg == NULL) {
$time = CassandraUtil::get_time() * 10 + self::interval;
} else {
$time = $time_arg * 10 + self::interval;
}
// Convert to a string representation
$time = sprintf("%F", $time);
preg_match("/^\\d+/", $time, $time);
//strip decimal point
// And now to a 64-bit binary representation
$time = base_convert($time[0], 10, 16);
$time = pack("H*", str_pad($time, 16, "0", STR_PAD_LEFT));
// Reorder bytes to their proper locations in the UUID
$uuid = $time[4] . $time[5] . $time[6] . $time[7] . $time[2] . $time[3] . $time[0] . $time[1];
// Generate a random clock sequence
$uuid .= self::randomBytes(2);
// set variant
$uuid[8] = chr(ord($uuid[8]) & self::clearVar | self::varRFC);
// set version
$uuid[6] = chr(ord($uuid[6]) & self::clearVer | self::version1);
// Set the final 'node' parameter, a MAC address
if ($node) {
$node = self::makeBin($node, 6);
}
if (!$node) {
// If no node was provided or if the node was invalid,
// generate a random MAC address and set the multicast bit
$node = self::randomBytes(6);
$node[0] = pack("C", ord($node[0]) | 1);
}
$uuid .= $node;
return $uuid;
}
/**
* 生成mutation
* @param $array
* @param $timestamp
* @return unknown_type
*/
protected static function array_to_mutations(&$array, $is_super = false, $timestamp = null, $type = CassandraCF::CT_BytesType, $subtype = CassandraCF::CT_BytesType)
{
if (empty($timestamp)) {
$timestamp = CassandraUtil::get_time();
}
$ret = array();
foreach ($array as $name => $value) {
$mutation = new cassandra_Mutation();
$c_or_sc =& $mutation->column_or_supercolumn;
$c_or_sc = new cassandra_ColumnOrSuperColumn();
if ($is_super && is_array($value)) {
$c_or_sc->super_column = new cassandra_SuperColumn();
$c_or_sc->super_column->name = self::unparse_column_name($name, $type);
$c_or_sc->super_column->columns = self::array_to_columns($value, $timestamp, $subtype);
$c_or_sc->super_column->timestamp = $timestamp;
} else {
$c_or_sc->column = new cassandra_Column();
self::to_column_value($c_or_sc->column, $name, $value, $type);
$c_or_sc->column->timestamp = $timestamp;
}
$ret[] = $mutation;
}
return $ret;
}
