public function __construct($anomaly, $api = null, $storage = "storage")
{
if ($api == null) {
$api = new BigML(null, null, null, $storage);
}
if (is_string($anomaly)) {
if (!$api::_checkAnomalyId($anomaly)) {
error_log("Wrong anomaly id");
return null;
}
$anomaly = $api::retrieve_resource($anomaly, $api::ONLY_MODEL);
}
if ($anomaly == null || !property_exists($anomaly, 'resource')) {
error_log("Cannot create the Anomaly instance. Could not find the 'model' key in the resource");
throw new Exception('Cannot create the Anomaly instance. Could not find the model key in the resource');
}
if (property_exists($anomaly, "object") && property_exists($anomaly->object, "status") && $anomaly->object->status->code != BigMLRequest::FINISHED) {
throw new Exception("The model isn't finished yet");
}
if (property_exists($anomaly, "object") && $anomaly->object instanceof STDClass) {
$anomaly = $anomaly->object;
$this->sample_size = $anomaly->sample_size;
$this->input_fields = $anomaly->input_fields;
$this->id_fields = $anomaly->id_fields;
}
if (property_exists($anomaly, "model") && $anomaly->model instanceof STDClass) {
parent::__construct($anomaly->model->fields);
if (property_exists($anomaly->model, "top_anomalies") && is_array($anomaly->model->top_anomalies)) {
$this->mean_depth = $anomaly->model->mean_depth;
if ($anomaly->status != null && ($anomaly->status->code = 5)) {
$this->expected_mean_depth = null;
if ($this->mean_depth == null || $this->sample_size == null) {
error_log("The anomaly data is not complete. Score will not be available");
throw new Exception('The anomaly data is not complete. Score will not be available');
} else {
$default_depth = 2 * (0.5772156649 + log($this->sample_size - 1) - floatval($this->sample_size - 1) / $this->sample_size);
$this->expected_mean_depth = min(array($this->mean_depth, $default_depth));
}
$iflorest = property_exists($anomaly->model, "trees") ? $anomaly->model->trees : array();
if ($iflorest != null && !empty($iflorest)) {
$this->iforest = array();
foreach ($iflorest as $anomaly_tree) {
array_push($this->iforest, new AnomalyTree($anomaly_tree->root, $this->fields));
}
}
$this->top_anomalies = $anomaly->model->top_anomalies;
} else {
error_log("The anomaly isn't finished yet");
throw new Exception("The anomaly isn't finished yet");
}
} else {
error_log("Cannot create the Anomaly instance. Could not find the 'top_anomalies' key in the resource");
throw new Exception("Cannot create the Anomaly instance. Could not find the 'top_anomalies' key in the resource");
}
}
}
public function __construct($model, $api = null)
{
if (check_model_structure($model)) {
$this->resource_id = $model->resource;
} else {
if ($api == null) {
$api = new BigML(null, null, null, $storage);
}
if (is_string($model)) {
if (!$api::_checkModelId($model)) {
error_log("Wrong model id");
return null;
}
$model = $api::retrieve_resource($model, $api::ONLY_MODEL);
}
}
if (property_exists($model, "object") && $model->object instanceof STDClass) {
$model = $model->object;
}
if (property_exists($model, "model") && $model->model instanceof STDClass) {
if ($model->status->code == BigMLRequest::FINISHED) {
if (property_exists($model->model, "model_fields")) {
foreach ($model->model->model_fields as $key => $value) {
if (!property_exists($model->model->fields, $key)) {
throw new Exception("Some fields are missing to generate a local model " . $key . " Please, provide a model with the complete list of fields.");
}
if (property_exists($model->model->fields->{$key}, "summary")) {
$model->model->model_fields->{$key}->summary = $model->model->fields->{$key}->summary;
}
$model->model->model_fields->{$key}->name = $model->model->fields->{$key}->name;
}
}
parent::__construct($model->model->model_fields, extract_objective($model->objective_fields));
$this->description = $model->description;
$this->field_importance = property_exists($model->model, "importance") ? $model->model->importance : null;
if ($this->field_importance != null) {
$fields_importance = array();
foreach ($this->field_importance as $field => $value) {
if (property_exists($model->model->model_fields, $value[0])) {
array_push($fields_importance, $value);
}
}
$this->field_importance = $fields_importance;
}
if (property_exists($model, "locale" && $model->locale != null)) {
$this->locale = $model->locale;
}
} else {
throw new Exception("The model isn't finished yet");
}
} else {
throw new Exception("Cannot create the BaseModel instance. Could not find the 'model' key in the resource:\n\n " . print_r($model));
}
}
