def p_edge_spec(p):
'''
edge_spec :
| '[' edge_rank edge_props ']'
| '[' ':' LABEL edge_rank edge_props ']'
| '[' STRING '-' '>' STRING edge_rank edge_props ']'
| '[' ':' LABEL STRING '-' '>' STRING edge_rank edge_props ']'
'''
e = Edge()
if len(p) == 5:
e.ranking = p[2]
e.props = p[3]
elif len(p) == 7:
e.name = p[3]
e.ranking = p[4]
e.props = p[5]
elif len(p) == 9:
e.src = p[2].get_sVal()
e.dst = p[5].get_sVal()
e.ranking = p[6]
e.props = p[7]
elif len(p) == 11:
e.name = p[3]
e.src = p[4].get_sVal()
e.dst = p[7].get_sVal()
e.ranking = p[8]
e.props = p[9]
p[0] = e
def gen_edge(cls, src_id, dst_id, type, edge_name, ranking, props):
edge = Edge()
edge.src = src_id
edge.dst = dst_id
edge.type = type
edge.name = edge_name
edge.ranking = ranking
edge.props = props
return edge
def as_relationship(self):
"""convert the edge data to structure Relationship
:return: Relationship
"""
if len(self._row.values) < self.PROP_START_INDEX:
raise RuntimeError('The row value is bad format, '
'as relationship failed: len is {}'
.format(len(self._row.values)))
edge = Edge()
edge.src = self._row.values[0]
edge.type = self._row.values[1].get_iVal()
edge.name = self._edge_name
edge.ranking = self._row.values[2].get_iVal()
edge.dst = self._row.values[3]
edge.props = {}
index = self.PROP_START_INDEX
while index < len(self._col_names):
edge.props[self._col_names[index]] = self._row.values[index]
index = index + 1
return Relationship(edge).set_decode_type(self._decode_type)
def p_edge_spec(p):
'''
edge : '[' edge_rank edge_props ']'
| '[' ':' LABEL edge_props ']'
| '[' ':' LABEL edge_rank edge_props ']'
| '[' vid '-' '>' vid edge_props ']'
| '[' vid '-' '>' vid edge_rank edge_props ']'
| '[' ':' LABEL vid '-' '>' vid edge_props ']'
| '[' ':' LABEL vid '-' '>' vid edge_rank edge_props ']'
| '[' vid '<' '-' vid edge_props ']'
| '[' vid '<' '-' vid edge_rank edge_props ']'
| '[' ':' LABEL vid '<' '-' vid edge_props ']'
| '[' ':' LABEL vid '<' '-' vid edge_rank edge_props ']'
'''
e = Edge()
name = None
rank = None
src = None
dst = None
props = None
etype = None
if len(p) == 5:
rank = p[2]
props = p[3]
elif len(p) == 6:
name = p[3]
props = p[4]
elif len(p) == 7:
name = p[3]
rank = p[4]
props = p[5]
elif len(p) == 8:
src = p[2]
dst = p[5]
if p[3] == '<' and p[4] == '-':
etype = -1
props = p[6]
elif len(p) == 9:
src = p[2]
dst = p[5]
if p[3] == '<' and p[4] == '-':
etype = -1
rank = p[6]
props = p[7]
elif len(p) == 10:
name = p[3]
src = p[4]
dst = p[7]
if p[5] == '<' and p[6] == '-':
etype = -1
props = p[8]
elif len(p) == 11:
name = p[3]
src = p[4]
dst = p[7]
if p[5] == '<' and p[6] == '-':
etype = -1
rank = p[8]
props = p[9]
e.name = name
e.ranking = rank
e.src = src
e.dst = dst
e.props = props
# default value of e.type is 1 if etype is None
e.type = etype
p[0] = Value(eVal=e)
def p_edge_spec(p):
'''
edge : '[' edge_rank edge_props ']'
| '[' ':' LABEL edge_props ']'
| '[' ':' LABEL edge_rank edge_props ']'
| '[' STRING '-' '>' STRING edge_props ']'
| '[' STRING '-' '>' STRING edge_rank edge_props ']'
| '[' ':' LABEL STRING '-' '>' STRING edge_props ']'
| '[' ':' LABEL STRING '-' '>' STRING edge_rank edge_props ']'
| '[' STRING '<' '-' STRING edge_props ']'
| '[' STRING '<' '-' STRING edge_rank edge_props ']'
| '[' ':' LABEL STRING '<' '-' STRING edge_props ']'
| '[' ':' LABEL STRING '<' '-' STRING edge_rank edge_props ']'
'''
e = Edge()
name = None
rank = 0
src = None
dst = None
props = None
type = 1
if len(p) == 5:
rank = p[2]
props = p[3]
elif len(p) == 6:
name = p[3]
props = p[4]
elif len(p) == 7:
name = p[3]
rank = p[4]
props = p[5]
elif len(p) == 8:
src = p[2].get_sVal()
dst = p[5].get_sVal()
if p[3] == '<' and p[4] == '-':
type = -1
props = p[6]
elif len(p) == 9:
src = p[2].get_sVal()
dst = p[5].get_sVal()
if p[3] == '<' and p[4] == '-':
type = -1
rank = p[6]
props = p[7]
elif len(p) == 10:
name = p[3]
src = p[4].get_sVal()
dst = p[7].get_sVal()
if p[5] == '<' and p[6] == '-':
type = -1
props = p[8]
elif len(p) == 11:
name = p[3]
src = p[4].get_sVal()
dst = p[7].get_sVal()
if p[5] == '<' and p[6] == '-':
type = -1
rank = p[8]
props = p[9]
e.name = None if name is None else bytes(name, 'utf-8')
e.ranking = rank
e.src = src
e.dst = dst
e.props = props
e.type = type
p[0] = Value(eVal=e)