/**
* Loads an entire columnfamily by keyid
* @param string $keyID optional row key
* @param bool $colAutoCreate create columns in the object instance which have not been defined
* @param int $consistencyLevel cassandra consistency level
* @return bool loaded OK
*/
public function load($keyID = NULL, $consistencyLevel = NULL)
{
if ($keyID === NULL) {
$keyID = $this->getKeyID();
}
$ok = $this->pathOK($keyID);
$this->setLoaded(FALSE);
if ($ok) {
$autoCreate = $this->getAutoCreate();
$predicate = new cassandra_SlicePredicate();
// if autocreate is turned on, get latest limited everything
if ($autoCreate) {
$predicate->slice_range = new cassandra_SliceRange();
$predicate->slice_range->start = '';
$predicate->slice_range->finish = '';
$predicate->slice_range->count = $this->getLimit();
$predicate->slice_range->reversed = TRUE;
$result = PandraCore::getCFSlice($this->getKeySpace(), $keyID, new cassandra_ColumnParent(array('column_family' => $this->getName())), $predicate, PandraCore::getConsistency($consistencyLevel));
// otherwise by defined columns (slice query)
} else {
$predicate->column_names = $this->getColumnNames();
$result = PandraCore::getCFSliceMulti($this->getKeySpace(), array($keyID), new cassandra_ColumnParent(array('column_family' => $this->getName())), $predicate, PandraCore::getConsistency($consistencyLevel));
$result = $result[$keyID];
}
if ($result !== NULL) {
// Clean slate
$this->destroyColumns();
$this->destroyErrors();
$this->init();
// Try populating
$this->setLoaded($this->populate($result, $autoCreate));
// If we're loaded, use a new key
if ($this->isLoaded()) {
$this->setKeyID($keyID);
}
} else {
$this->registerError(PandraCore::$lastError);
}
}
return $ok && $this->isLoaded();
}
public function extract($popType = self::POPULATE_MODEL)
{
// Check we have everything
if ($this->pathOK()) {
$result = NULL;
// Cache hit?
if ($this->cacheRetrieve($result)) {
return $this->hydrate($popType, $result);
}
// Graph Processing
PandraLog::debug('processing graph');
if (!empty($this->_graph[self::CONTEXT_SUPERCOLUMN])) {
}
$preResult = PandraCore::getCFSliceMulti($this->_keySpace, $this->_keys, $this->_columnFamily);
//public function getCFSliceMulti($keySpace, array $keyIDs, $columnFamilyName, $superColumnName = NULL, $columnNames = array(), $consistencyLevel = NULL) {
// We've got a basic result set, so filter out what we don't want
// Cache and populate
if ($result !== NULL) {
$this->cacheStore($result);
return $this->hydrate($popType, $result);
}
} else {
throw new RuntimeException('Missing Keys, Keyspace or ColumnFamily');
}
return NULL;
}
/**
* Loads an entire columnfamily by keyid
* @param string $keyID optional row key
* @param int $consistencyLevel cassandra consistency level
* @return bool loaded OK
*/
public function load($keyID = NULL, $consistencyLevel = NULL)
{
if ($keyID === NULL) {
$keyID = $this->getKeyID();
}
$ok = $this->pathOK($keyID);
$this->setLoaded(FALSE);
if ($ok) {
$autoCreate = $this->getAutoCreate();
$predicate = new cassandra_SlicePredicate();
// if autocreate is turned on, get latest limited everything
if ($autoCreate) {
$predicate->slice_range = new cassandra_SliceRange();
$predicate->slice_range->start = '';
$predicate->slice_range->finish = '';
$predicate->slice_range->count = $this->getLimit();
$predicate->slice_range->reversed = TRUE;
$result = PandraCore::getCFSlice($this->getKeySpace(), $keyID, new cassandra_ColumnParent(array('column_family' => $this->getName())), $predicate, PandraCore::getConsistency($consistencyLevel));
// otherwise by defined columns (slice query)
} else {
$predicate->column_names = $this->getColumnNames();
$result = PandraCore::getCFSliceMulti($this->getKeySpace(), array($keyID), new cassandra_ColumnParent(array('column_family' => $this->getName())), $predicate, PandraCore::getConsistency($consistencyLevel));
$result = $result[$keyID];
}
if ($result !== NULL) {
$this->init();
foreach ($result as $superColumn) {
$sc = $superColumn->super_column;
$newSuper = new PandraSuperColumn($this->typeConvert($sc->name, UUID::UUID_FMT_STR), NULL, NULL, $this, $this->getType());
if ($this->addSuper($newSuper)->populate($sc->columns, $autoCreate)) {
$this->setLoaded(TRUE);
} else {
$this->setLoaded(FALSE);
break;
}
}
if ($this->isLoaded()) {
$this->setKeyID($keyID);
}
} else {
$this->registerError(PandraCore::$lastError);
}
}
return $ok && $this->isLoaded();
}
