def get_elements(gc):
# Get Elements
elements = gc.execute_operation(
g.GetRelatedElements(
seeds=[g.EntitySeed('1')],
view=g.View(entities=[
g.ElementDefinition(
group='entity',
transient_properties=[
g.Property('newProperty', 'java.lang.String')
],
filter_functions=[
g.FilterFunction(
class_name='gaffer.function.simple.filter.IsEqual',
selection=[g.IdentifierKey('VERTEX')],
function_fields={'value': '1'})
],
transform_functions=[
g.TransformFunction(
class_name=
'gaffer.rest.example.ExampleTransformFunction',
selection=[g.IdentifierKey('VERTEX')],
projection=[g.PropertyKey('newProperty')])
])
],
edges=[g.ElementDefinition('edge')]),
include_entities=False,
include_edges=g.IncludeEdges.ALL))
print('Related elements')
print(elements)
print()
def generate_domain_objects_chain(gc):
# Generate Domain Objects - chain of get elements then generate objects
objects = gc.execute_operations([
g.GetElementsBySeed(seeds=[g.EntitySeed('1')]),
g.GenerateObjects('gaffer.rest.example.ExampleDomainObjectGenerator')
])
print('Generated objects from get elements by seed')
print(objects)
print()
def get_element_group_counts(gc):
# Get Elements
elements = gc.execute_operations([
g.GetRelatedElements(seeds=[g.EntitySeed('1')]),
g.CountGroups(limit=1000)
])
print('Groups counts (limited to 1000 elements)')
print(elements)
print()
def get_adj_seeds(gc):
# Adjacent Elements - chain 2 adjacent entities together
adjSeeds = gc.execute_operations([
g.GetAdjacentEntitySeeds(seeds=[g.EntitySeed(vertex='1')],
in_out_type=g.InOutType.OUT),
g.GetAdjacentEntitySeeds(in_out_type=g.InOutType.OUT)
])
print('Adjacent entities - 2 hop')
print(adjSeeds)
print()
def get_sub_graph(gc):
# Initialise, update and fetch an in memory set export
result = gc.execute_operations([
g.InitialiseSetExport(),
g.GetAdjacentEntitySeeds(seeds=[g.EntitySeed('1')], ),
g.UpdateExport(),
g.GetAdjacentEntitySeeds(),
g.UpdateExport(),
g.FetchExport()
])
print('Initialise, update and fetch export with adjacent entities')
entity_seeds = g.ResultConverter.to_entity_seeds(result)
print(entity_seeds)
print()