rdflib.sparql.sparqlGraph.Container

Package rdflib :: Package sparql :: Module sparqlGraph :: Class Container

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Class Container

Known Subclasses:: Alt, Bag, Seq

Wrapper around an RDF Container resource.

This class is not really used by itself, rather through its subclasses: Seq, Bag, or Alt.

Method Summary
	`__init__(self, triplets, resource)` The triplets is of type sparqlGraph, the resource is simply the resource which is supposed to be a Seq.
	`__getitem__(self, index)` Obvious getitem using the sorted keys.
	`__iter__(self)` returns self!
	`__len__(self)`
	`addItem(self, res)` Add a new resource to the list (as the last element).
	`next(self)` Obvious iteration through the content using the sorted keys.

Instance Variable Summary
BNode	`resource`: the RDFLib resource for the Container
`sparqlGraph`	`triplets`: the triple for the container instance

Method Details

init(self, triplets, resource)
(Constructor)

The triplets is of type sparqlGraph, the resource is simply the resource which is supposed to be a Seq.

The 'target' resources are initially collected in a dictionary, keyed with the predicate names. The of keys is stored apart, and the iteration/getitem goes through the keys set to retrieve the dictionary content.

Parameters:: triplets - the triplets for the triple store
(type=sparqlGraph); resource - an (RDFLib) resource, ie, the Seq, Alt, or Bag. Note that the init does not check whether this is a Seq, this is done by whoever creates this instance!

getitem(self, index)
(Indexing operator)

Obvious getitem using the sorted keys.

iter(self)

returns self!

addItem(self, res)

Add a new resource to the list (as the last element).

Parameters:: res - an RDFLib resource (BNode, URIRef, or Literal)

next(self)

Obvious iteration through the content using the sorted keys.

Raises:: StopIteration - when the end of the sequence has been reached

Instance Variable Details

resource

the RDFLib resource for the Container

Type:: BNode

triplets

the triple for the container instance

Type:: sparqlGraph

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