var Client = function (options) {
if (!options) {
throw new Error('Client requires an options object.');
}
if (!options.url) {
throw new Error('No cayley url provided.')
}
this._client = cayley(options.url);
};
module.exports = (config) => {
// singleton
if (adapters[config]) {
return adapters[config];
}
const client = cayley(config);
const incomming = (node, edges) => {
return client.g.V.apply(client.g, nodes).Tag("o").In(null, "p").All();
};
const outgoing = (node, edges) => {
return client.g.V.apply(client.g, nodes).Tag("s").Out(edges, "p").All();
};
const getObject = (id) => {
return client.g.V(id)
.Tag('subject')
.Out([
SCHEMA + 'name>',
FLOW_VOCAB + 'json>']
, 'predicate')
.Out(RDF_SYNTAX + 'string>')
.GetLimit(2);
};
const getName = (id) => {
return client.g.V(id)
.Tag('subject')
.Out(SCHEMA + 'name>', 'predicate')
.Out(RDF_SYNTAX + 'string>')
.GetLimit(1);
};
const write = (triples) => {
if (triples && triples.length) {
return client.write(triples);
}
};
const remove = (triples) => {
if (triples && triples.length) {
return client.delete(triples);
}
};
// export store adapter
return adapters[config] = Object.freeze({
sequence: (sequence_id, role, objectMode) => {
return Triples.parse(sequence(client, sequence_id, role), objectMode);
},
entrypoint: (entrypoint_name, objectMode) => {
return Triples.parse(entrypoint(client, entrypoint_name), objectMode);
},
outNodes: (id) => {
return Triples.parse(visualization.outNodes(client, id));
},
// TODO move to service api
networks: (id) => {
return Triples.parse(visualization.networks(client, id));
},
getObject: (id) => {
return Triples.parse(getObject(id));
},
getName: (id) => {
return Triples.parse(getName(id));
},
incomming: incomming,
outgoing: outgoing,
remove: remove,
write: write
});
};
var cayley = require('cayley');
var client = cayley("http://localhost:64210/");
var g = graph = client.graph;
g = graph = client.g;
// Example to get all villains
g.V('http://dbtropes.org/resource/Main/Villains').Out().All(function(err, res){
console.log(res);
});