Example #1
0
def delete_snapshot_nodes_by_id(id_list):
    if not isinstance(id_list, list):
        id_list = [id_list]

    es = Common.get_elasticsearch().get_connection()
    for i in id_list:
        try:
            es.delete(index=SNAPSHOT_INDEX, doc_type=SNAPSHOT_DOC_TYPE, id=i)
        except ElasticsearchException, e:
            Common.get_logger().error('Error deleting node<%s>\n%s' % (i, e))
Example #2
0
def execute_query(query, **kwargs):
    es = Common.get_elasticsearch().get_connection()
    try:
        response = es.search(index=SNAPSHOT_INDEX,
                             doc_type=SNAPSHOT_DOC_TYPE,
                             body=query,
                             **kwargs)
        return response
    except ElasticsearchException, e:
        Common.get_logger().error('Error ES query execution\n%s' % e)
Example #3
0
def get_snapshot_nodes(**kwargs):
    for key, val in kwargs.iteritems():
        break

    if not isinstance(val, list):
        val = [val]
    es = Common.get_elasticsearch_connection()
    q_string_arr = []
    for elem in val:
        q_string_arr.append(
            {"query_string": {
                "fields": [key, "*.%s" % key],
                "query": elem
            }})
    try:
        query = {"query": {"bool": {"should": q_string_arr}}}
        response = es.search(index=SNAPSHOT_INDEX,
                             doc_type=SNAPSHOT_DOC_TYPE,
                             body=query)
        entities = {}
        if response['hits']['total'] > 0:
            for hit in response['hits']['hits']:
                entities[hit['_id']] = hit['_source']
            return entities
        return None
    except Exception as e:
        logger = Common.get_logger()
        logger.error(str(e))
        return None
Example #4
0
    def validate(self, subj, pred, objc):
        '''
        if pred == to:subClassOf:
            (objc + objc_subclass) in [to:Entity, to:Property, to:Literal]
        elif pred == to:ontoLabel:
            subj must be define i.e. subj_subclass is non empty
        elif pred == to:description:
            subj must be define i.e. subj_subclass is non empty
        elif pred == to:domain:
            objc needs to exists in db as subject
        elif pred == to:range:
            objc needs to exists in db as subject
            if subj_subclass is Relational/Complex Relational Property:
                subj_range_subclass in [to:Entity, to:Property]
            elif subj_subclass is Property:
                subj_range_subclass is [to:Literal]
        elif pred == 'to:isUnique':
            pass
        else:
            not valid
        '''
        input_tuple = (subj, pred, objc)
        (subj_subclass, ) = self.gather_info_from_toflerdb(subj, ['subclass'])
        if not subj_subclass:
            error_txt = ("Subject is not defined : %s"
                         "\nInput tuple : %s") % (subj, input_tuple)
            Common.get_logger().error(error_txt)
            raise exceptions.InvalidInputValueError(error_txt)

        if pred == 'to:subClassOf':
            (objc_subclass, ) = self.gather_info_from_toflerdb(
                objc, ['subclass'])
            if not collection.intersection(
                    objc_subclass + [objc],
                ['to:Entity', 'to:Property', 'to:Literal']):
                error_txt = ("Superclass is not defined : %s"
                             "\nInput tuple : %s") % (objc, input_tuple)
                Common.get_logger().error(error_txt)
                raise exceptions.InvalidInputValueError(error_txt)

        elif pred == 'to:ontoLabel':
            pass
        elif pred == 'to:description':
            pass
        elif pred == 'to:domain':
            if not dbutils.exists_in_eternity(
                    objc,
                    additional_lookup=self._normalized_input,
                    ontology_only=True):
                error_txt = ("Domain is not defined : %s"
                             "\nInput tuple : %s") % (objc, input_tuple)
                Common.get_logger().error(error_txt)
                raise exceptions.InvalidInputValueError(error_txt)
        elif pred == 'to:range':
            if not dbutils.exists_in_eternity(
                    objc,
                    additional_lookup=self._normalized_input,
                    ontology_only=True):
                error_txt = ("Range is not defined : %s"
                             "Input tuple : %s") % (objc, input_tuple)
                Common.get_logger().error(error_txt)
                raise exceptions.InvalidInputValueError(error_txt)

            (objc_subclass, ) = self.gather_info_from_toflerdb(
                objc, ['subclass'])
            if collection.intersection(
                ['to:RelationalProperty', 'to:ComplexRelationalProperty'],
                    subj_subclass):
                if not collection.intersection([objc] + objc_subclass,
                                               ['to:Entity', 'to:Property']):
                    error_txt = (
                        "For relational property declaration, range must"
                        "be either of type to:Entity or to:Property."
                        "\nProperty : %s, range type: %s."
                        "\nInput tuple : %s") % (subj, objc_subclass,
                                                 input_tuple)
                    Common.get_logger().error(error_txt)
                    raise exceptions.InvalidInputValueError(error_txt)
            elif 'to:Property' in subj_subclass:
                if not 'to:Literal' in objc_subclass:
                    error_txt = ("For property declaration,"
                                 "range must be of type to:Literal."
                                 "\nProperty : %s, range type: %s."
                                 "\nInput tuple : %s") % (subj, objc_subclass,
                                                          input_tuple)
                    Common.get_logger().error(error_txt)
                    raise exceptions.InvalidInputValueError(error_txt)
        elif pred == 'to:isUnique':
            pass
        else:
            error_txt = (
                "Predicate must be one of to:subClassOf, to:ontoLabel,"
                " to:description, to:domain, to:domain, to:range."
                "\nInput Tuple : %s") % str(input_tuple)
            Common.get_logger().error(error_txt)
            raise exceptions.InvalidInputValueError(error_txt)