The VertexType class collects vertices of the same type, e.g., a person vertex-type. A vertex-type is analogous to a relation with no foreign keys in an RDBMS.
Value parameters
- _name
-
the name of this vertex-type ('name' form
Identifiable) - color
-
the display color for vertices of this type
- schema
-
the property names for this vertex-type
- shape
-
the display shape template for vertices of this type
- verts
-
the set of vertices having this vertex-type (extension)
Attributes
- Companion
- object
- Graph
-
- Supertypes
Members list
Value members
Concrete methods
Return the vertices where property pname is less than value pval.
Return the vertices where property pname is less than value pval.
Value parameters
- pname
-
the property name
- pval
-
the property value
Attributes
Return the vertices where property pname has value pval.
Return the vertices where property pname has value pval.
Value parameters
- pname
-
the property name
- pval
-
the property value
Attributes
Add vertices into the existing list of vertices in this vertex-type.
Add vertices into the existing list of vertices in this vertex-type.
Value parameters
- vs
-
the vertex to insert
Attributes
Build the index for the primary key.
Build the index for the primary key.
Value parameters
- pkey
-
the property designated as the primary key
Attributes
Check that the properties names are in the schema for this vertex-type, returning whether they match the schema.
Check that the properties names are in the schema for this vertex-type, returning whether they match the schema.
Attributes
Check whether the given property name is defined for all the vertices in this vertex-type. Useful check before, groupBy and project operators.
Check whether the given property name is defined for all the vertices in this vertex-type. Useful check before, groupBy and project operators.
Value parameters
- pname
-
the given property name
Attributes
Delete a single vertex from the existing list of vertices in this vertex-type, returning the updated vertex type/set.
Delete a single vertex from the existing list of vertices in this vertex-type, returning the updated vertex type/set.
Value parameters
- v
-
the vertex to delete
Attributes
Make all the vectices in this vertex-type distinct, i.e., no duplicate vertices.
Make all the vectices in this vertex-type distinct, i.e., no duplicate vertices.
Attributes
Find the unique vertex based on the primary key.
Find the unique vertex based on the primary key.
Value parameters
- key
-
the primary key
Attributes
Group the vertices within this vertex-type by the values of the given property name and apply the aggregate function agg_fn on the agg_name property.
Group the vertices within this vertex-type by the values of the given property name and apply the aggregate function agg_fn on the agg_name property.
Value parameters
- agg_fn
-
the aggrgate function
- agg_name
-
the property name for the aggregate
- pname
-
the property name on which to group
Attributes
Insert a single vertex into the existing list of vertices in this vertex-type, returning the updated vertex type/set.
Insert a single vertex into the existing list of vertices in this vertex-type, returning the updated vertex type/set.
Value parameters
- v
-
the vertex to insert
Attributes
Intersect this vertex-type with a second vertex-type.
Intersect this vertex-type with a second vertex-type.
Value parameters
- vt2
-
the second vertex-type
Attributes
Limit the number of vertices to n after skipping the first s.
Limit the number of vertices to n after skipping the first s.
Value parameters
- n
-
the number of vertices to keep
- s
-
the number of vertices to skip
Attributes
Subtract (minus) second vertex-type from this vertex-type.
Subtract (minus) second vertex-type from this vertex-type.
Value parameters
- vt2
-
the second vertex-type
Attributes
Return a new shape object based on the shape template.
Return a new shape object based on the shape template.
Attributes
Order the vertices within this vertex-type by the values of the given property name.
Order the vertices within this vertex-type by the values of the given property name.
Value parameters
- pname
-
the property name on which to sort
Attributes
Print this vertex-type.
Print this vertex-type.
Attributes
Project each vertex in this vertex-type onto to the given subschema x of properties.
Project each vertex in this vertex-type onto to the given subschema x of properties.
Value parameters
- x
-
the subset of property names to project onto
Attributes
Rename the old property name with the new property name.
Rename the old property name with the new property name.
Value parameters
- pNew
-
new property name
- pOld
-
existing property name
Attributes
Select the vertices in this vertex-type that satisfy the predicate.
Select the vertices in this vertex-type that satisfy the predicate.
Value parameters
- pred
-
the predicate to satisfy
Attributes
SHOW/print this vertex-type, one vertex per row. Formatting: regular column is 'width_' chars wide, 'X' is double that FIX - currently only works for width_, not width
SHOW/print this vertex-type, one vertex per row. Formatting: regular column is 'width_' chars wide, 'X' is double that FIX - currently only works for width_, not width
Value parameters
- rng
-
the range of vertices to show (e.g, 0 until 10), defaults to all
Attributes
Convert this vertex-type to a string.
Convert this vertex-type to a string.
Attributes
- Definition Classes
-
Any
Union this vertex-type with a second vertex-type with no duplication.
Union this vertex-type with a second vertex-type with no duplication.
Value parameters
- vt2
-
the second vertex-type
Attributes
Union this vertex-type with a second vertex-type.
Union this vertex-type with a second vertex-type.
Value parameters
- vt2
-
the second vertex-type
Attributes
Inherited methods
Determine whether Identifiable object 'this' equals Identifiable object 'that'. Works since 'id' is unique for all Identifiable objects.
Determine whether Identifiable object 'this' equals Identifiable object 'that'. Works since 'id' is unique for all Identifiable objects.
Attributes
- Definition Classes
-
Identifiable -> Any
- Inherited from:
- Identifiable
Return the hashCode as the unique id.
Return the hashCode as the unique id.
Attributes
- Definition Classes
-
Identifiable -> Any
- Inherited from:
- Identifiable
Return the full identity.
Get the type of the object.