/**
* Loads a SuperColumn for key
*
* Load will generate RuntimeException if parent column family has not been set (
*
* @param string $keyID 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, $colAutoCreate = NULL, $consistencyLevel = NULL)
{
if ($this->_parentCF == NULL || !$this->_parentCF instanceof PandraSuperColumnFamily) {
throw new RuntimeException('SuperColumn Requires a ColumnFamilySuper parent');
}
$this->_parentCF->checkCFState();
$this->_loaded = FALSE;
$result = PandraCore::getCFSlice($keyID, $this->_parentCF->getKeySpace(), $this->_parentCF->getName(), $this->getName(), PandraCore::getConsistency($consistencyLevel));
if ($result !== NULL) {
$this->init();
$this->_loaded = $this->populate($result, $this->getAutoCreate($colAutoCreate));
if ($this->_loaded) {
$this->keyID = $keyID;
}
} else {
$this->registerError(PandraCore::$lastError);
}
return $this->_loaded;
}
/**
* Save this column family and any modified columns to Cassandra
* @param cassandra_ColumnPath $columnPath
* @param int $consistencyLevel Cassandra consistency level
* @return bool save ok
*/
public function save($consistencyLevel = NULL)
{
$this->checkCFState();
$ok = FALSE;
if ($this->getDelete()) {
$columnPath = new cassandra_ColumnPath();
$columnPath->column_family = $this->getName();
$ok = PandraCore::deleteColumnPath($this->getKeySpace(), $this->keyID, $columnPath, time());
if (!$ok) {
$this->registerError(PandraCore::$lastError);
}
} else {
foreach ($this->_columns as &$cObj) {
if (!$cObj->isModified()) {
continue;
}
if (!$cObj->save($this->keyID, $this->getKeySpace(), $this->getName(), PandraCore::getConsistency($consistencyLevel))) {
$this->registerError($cObj->getLastError());
return FALSE;
}
}
$ok = TRUE;
}
if ($ok) {
$this->reset();
}
return $ok;
}
public function getSetConsistency()
{
$newC = cassandra_ConsistencyLevel::QUORUM;
PandraCore::setConsistency($newC);
$this->assertTrue(PandraCore::getConsistency() == $newC);
$this->assertTrue(PandraCore::getConsistency(cassandra_ConsistencyLevel::ONE) == cassandra_ConsistencyLevel::ONE);
}
/**
* Saves this individual column path
* @param string $keyID row key
* @param sring $keySpace key space
* @param string $columnFamily column family name
* @param int $consistencyLevel cassandra save consistency level
* @return bool save ok
*/
public function save($keyID, $keySpace, $columnFamily, $consistencyLevel = NULL)
{
if (!$this->isModified()) {
return TRUE;
}
// Build the column path for modifying this individual column
$columnPath = new cassandra_ColumnPath();
$columnPath->column_family = $columnFamily;
$columnPath->column = $this->name;
$ok = FALSE;
if ($this->_delete) {
$ok = PandraCore::deleteColumnPath($keySpace, $keyID, $columnPath, $this->bindTime(), PandraCore::getConsistency($consistencyLevel));
} else {
$ok = PandraCore::saveColumnPath($keySpace, $keyID, $columnPath, $this->callback === NULL ? $this->value : $this->callbackvalue(), $this->bindTime(), PandraCore::getConsistency($consistencyLevel));
}
if (!$ok) {
if (empty(PandraCore::$errors)) {
$errorStr = 'Unkown Error';
} else {
$errorStr = PandraCore::$errors;
}
$this->registerError($errorStr);
}
if ($ok) {
$this->reset();
}
return $ok;
}
/**
* Loads a SuperColumn for key
*
* @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->getColumnFamilyName(), 'super_column' => $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), $predicate, new cassandra_ColumnParent(array('column_family' => $this->getColumnFamilyName(), 'super_column' => $this->getName())), PandraCore::getConsistency($consistencyLevel));
$result = $result[$keyID];
}
if (!empty($result)) {
$this->init();
$this->setLoaded($this->populate($result, $autoCreate));
if ($this->isLoaded()) {
$this->setKeyID($keyID);
}
} else {
$this->registerError(PandraCore::$lastError);
}
}
return $ok && $this->isLoaded();
}
/**
* 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 && $this->isLoaded();
}
/**
* Saves this individual column path, where a parent has been set (setParent()) keyid, keyspace, columnfamily or supercolumn
* will be inherited for the save.
* @return bool save ok
*/
public function save($consistencyLevel = NULL)
{
if (!$this->isModified()) {
$this->registerError("Column " . $this->name . " is not modified");
return FALSE;
}
// Build the column path for modifying this individual column
$columnPath = new cassandra_ColumnPath();
$columnPath->column_family = $this->getColumnFamilyName();
$columnPath->super_column = $this->getSuperColumnName();
$columnPath->column = $this->getName();
$ok = FALSE;
if ($this->isDeleted()) {
$ok = PandraCore::deleteColumnPath($this->getKeySpace(), $this->getKeyID(), $columnPath, $this->bindTime(), PandraCore::getConsistency($consistencyLevel));
} else {
$ok = PandraCore::saveColumnPath($this->getKeySpace(), $this->getKeyID(), $columnPath, $this->callbackvalue(), $this->bindTime(), PandraCore::getConsistency($consistencyLevel));
}
if (!$ok) {
if (empty(PandraCore::$lastError)) {
$errorStr = 'Unknown Error';
} else {
$errorStr = PandraCore::$lastError;
}
$this->registerError($errorStr);
}
if ($ok) {
$this->reset();
}
return $ok;
}
/**
* Save this column family and any modified columns to Cassandra
* @param cassandra_ColumnPath $columnPath
* @param int $consistencyLevel Cassandra consistency level
* @return bool save ok
*/
public function save($consistencyLevel = NULL)
{
$ok = $this->pathOK();
if ($ok) {
if ($this->getDelete()) {
$columnPath = new cassandra_ColumnPath();
$columnPath->column_family = $this->getName();
$ok = PandraCore::deleteColumnPath($this->getKeySpace(), $this->getKeyID(), $columnPath, NULL, PandraCore::getConsistency($consistencyLevel));
if (!$ok) {
$this->registerError(PandraCore::$lastError);
}
} else {
// @todo have this use thrift batch_insert method in core
$modifiedColumns = $this->getModifiedColumns();
foreach ($modifiedColumns as &$cObj) {
if (!$cObj->save(PandraCore::getConsistency($consistencyLevel))) {
$this->registerError($cObj->getLastError());
return FALSE;
}
}
$ok = TRUE;
}
if ($ok) {
$this->reset();
}
}
return $ok;
}
/**
* Loads an entire columnfamily by keyid
* @param string $keyID 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, $colAutoCreate = NULL, $consistencyLevel = NULL)
{
$this->_loaded = FALSE;
$result = PandraCore::getCFSlice($keyID, $this->getKeySpace(), $this->getName(), NULL, PandraCore::getConsistency($consistencyLevel));
if ($result !== NULL) {
$this->init();
foreach ($result as $superColumn) {
$sc = $superColumn->super_column;
// @todo Should at least 1 successful super load really indicate a successful load state?
$this->_loaded = $this->addSuper(new PandraSuperColumn($sc->name))->populate($sc->columns, $this->getAutoCreate($colAutoCreate));
}
if ($this->_loaded) {
$this->setKeyID($keyID);
}
} else {
$this->registerError(PandraCore::$lastError);
}
return $this->_loaded;
}
