GenerateObjects
See javadoc - uk.gov.gchq.gaffer.operation.impl.generate.GenerateObjects
Available since Gaffer version 1.0.0
Generates objects from elements using provided generators
Required fields
The following fields are required:
- elementGenerator
Examples
Generate strings from elements
Using this directed graph:
--> 4 <--
/ ^ \
/ | \
1 --> 2 --> 3
\
--> 5
Java
JSON
Full JSON
Python
final GenerateObjects<String> operation = new GenerateObjects.Builder<String>()
.input(new Entity.Builder()
.group("entity")
.vertex(6)
.property("count", 1)
.build(),
new Edge.Builder()
.group("edge")
.source(5).dest(6).directed(true)
.property("count", 1)
.build())
.generator(new ObjectGenerator())
.build();{
"class" : "GenerateObjects",
"input" : [ {
"class" : "Entity",
"group" : "entity",
"vertex" : 6,
"properties" : {
"count" : 1
}
}, {
"class" : "Edge",
"group" : "edge",
"source" : 5,
"destination" : 6,
"directed" : true,
"properties" : {
"count" : 1
}
} ],
"elementGenerator" : {
"class" : "ObjectGenerator"
}
}{
"class" : "uk.gov.gchq.gaffer.operation.impl.generate.GenerateObjects",
"input" : [ {
"class" : "uk.gov.gchq.gaffer.data.element.Entity",
"group" : "entity",
"vertex" : 6,
"properties" : {
"count" : 1
}
}, {
"class" : "uk.gov.gchq.gaffer.data.element.Edge",
"group" : "edge",
"source" : 5,
"destination" : 6,
"directed" : true,
"properties" : {
"count" : 1
}
} ],
"elementGenerator" : {
"class" : "uk.gov.gchq.gaffer.doc.operation.generator.ObjectGenerator"
}
}g.GenerateObjects(
element_generator=g.ElementGenerator(
class_name="uk.gov.gchq.gaffer.doc.operation.generator.ObjectGenerator",
fields={'class': 'uk.gov.gchq.gaffer.doc.operation.generator.ObjectGenerator'}
),
input=[
g.Entity(
group="entity",
properties={'count': 1},
vertex=6
),
g.Edge(
group="edge",
properties={'count': 1},
source=5,
destination=6,
directed=True
)
]
)Result:
Java
JSON
6,1
5,6,1[ "6,1", "5,6,1" ]Generate domain objects from elements
Using this directed graph:
--> 4 <--
/ ^ \
/ | \
1 --> 2 --> 3
\
--> 5
Java
JSON
Full JSON
Python
final GenerateObjects<Object> operation = new GenerateObjects.Builder<>()
.input(new Entity.Builder()
.group("entity")
.vertex(6)
.property("count", 1)
.build(),
new Edge.Builder()
.group("edge")
.source(5).dest(6).directed(true)
.property("count", 1)
.build())
.generator(new DomainObjectGenerator())
.build();{
"class" : "GenerateObjects",
"input" : [ {
"class" : "Entity",
"group" : "entity",
"vertex" : 6,
"properties" : {
"count" : 1
}
}, {
"class" : "Edge",
"group" : "edge",
"source" : 5,
"destination" : 6,
"directed" : true,
"properties" : {
"count" : 1
}
} ],
"elementGenerator" : {
"class" : "uk.gov.gchq.gaffer.doc.operation.GenerateObjectsExample$DomainObjectGenerator"
}
}{
"class" : "uk.gov.gchq.gaffer.operation.impl.generate.GenerateObjects",
"input" : [ {
"class" : "uk.gov.gchq.gaffer.data.element.Entity",
"group" : "entity",
"vertex" : 6,
"properties" : {
"count" : 1
}
}, {
"class" : "uk.gov.gchq.gaffer.data.element.Edge",
"group" : "edge",
"source" : 5,
"destination" : 6,
"directed" : true,
"properties" : {
"count" : 1
}
} ],
"elementGenerator" : {
"class" : "uk.gov.gchq.gaffer.doc.operation.GenerateObjectsExample$DomainObjectGenerator"
}
}g.GenerateObjects(
element_generator=g.ElementGenerator(
class_name="uk.gov.gchq.gaffer.doc.operation.GenerateObjectsExample$DomainObjectGenerator",
fields={'class': 'uk.gov.gchq.gaffer.doc.operation.GenerateObjectsExample$DomainObjectGenerator'}
),
input=[
g.Entity(
group="entity",
properties={'count': 1},
vertex=6
),
g.Edge(
group="edge",
properties={'count': 1},
source=5,
destination=6,
directed=True
)
]
)Result:
Java
JSON
GenerateObjectsExample.DomainObject1[a=6,c=1]
GenerateObjectsExample.DomainObject2[a=5,b=6,c=1][ {
"a" : 6,
"c" : 1
}, {
"a" : 5,
"b" : 6,
"c" : 1
} ]