Examples with DataGenerator10 uk.gov.gchq.gaffer.example.gettingstarted.generator.DataGenerator10 used on opensource projects

Example 1 with DataGenerator10

use of uk.gov.gchq.gaffer.example.gettingstarted.generator.DataGenerator10 in project Gaffer by gchq.

the class LoadAndQuery10 method run.

public Iterable<Entity> run() throws OperationException {
    // [user] Create a user
    // ---------------------------------------------------------
    final User user = new User("user01");
    // ---------------------------------------------------------
    // [graph] create a graph using our schema and store properties
    // ---------------------------------------------------------
    final Graph graph = new Graph.Builder().addSchemas(getSchemas()).storeProperties(getStoreProperties()).build();
    // ---------------------------------------------------------
    // [add] add the edges to the graph
    // ---------------------------------------------------------
    final Set<String> dummyData = Collections.singleton("");
    final OperationChain addOpChain = new OperationChain.Builder().first(new GenerateElements.Builder<String>().generator(new DataGenerator10()).objects(dummyData).build()).then(new AddElements()).build();
    graph.execute(addOpChain, user);
    // ---------------------------------------------------------
    log("Added an edge A-B 1000 times, each time with a LongsSketch containing a random long between 0 and 9.");
    // [get] Get all edges
    // ---------------------------------------------------------
    Iterable<Edge> allEdges = graph.execute(new GetAllEdges(), user);
    // ---------------------------------------------------------
    log("\nAll edges:");
    for (final Edge edge : allEdges) {
        log("GET_ALL_EDGES_RESULT", edge.toString());
    }
    // [get frequencies of 1L and 9L] Get the edge A-B and print estimates of frequencies of 1L and 9L
    // ---------------------------------------------------------
    final GetEdges<EdgeSeed> query = new GetEdges.Builder<EdgeSeed>().addSeed(new EdgeSeed("A", "B", false)).build();
    final Iterable<Edge> edges = graph.execute(query, user);
    final Edge edge = edges.iterator().next();
    final LongsSketch longsSketch = (LongsSketch) edge.getProperty("longsSketch");
    final String estimates = "Edge A-B: 1L seen approximately " + longsSketch.getEstimate(1L) + " times, 9L seen approximately " + longsSketch.getEstimate(9L) + " times.";
    // ---------------------------------------------------------
    log("\nEdge A-B with estimates of the frequencies of 1 and 9");
    log("GET_FREQUENCIES_OF_1_AND_9_FOR_EDGE_A_B", estimates);
    return null;
}