Examples with EntitySeedExtractor uk.gov.gchq.gaffer.operation.data.generator.EntitySeedExtractor used on opensource projects

Example 6 with EntitySeedExtractor

use of uk.gov.gchq.gaffer.operation.data.generator.EntitySeedExtractor in project Gaffer by gchq.

the class ArrayListStoreTest method shouldAddAndGetEdgesThenEntities.

@Test
public void shouldAddAndGetEdgesThenEntities() throws OperationException {
    final Graph graph = createGraph();
    addElementsToGraph(graph);
    //set up the operation to fetch the entities
    final OperationChain<CloseableIterable<SimpleEntityDataObject>> opChain = new OperationChain.Builder().first(new GetEdges.Builder<>().addSeed(new EntitySeed(1)).build()).then(new GenerateObjects.Builder<Edge, EntitySeed>().generator(new EntitySeedExtractor(IdentifierType.DESTINATION)).build()).then(new GetEntities.Builder().view(new View.Builder().entity(TestGroups.ENTITY, new ViewElementDefinition.Builder().preAggregationFilter(new ElementFilter.Builder().select(TestPropertyNames.INT).execute(new IsLessThan(2)).build()).build()).build()).build()).then(new GenerateObjects.Builder<Entity, SimpleEntityDataObject>().generator(new SimpleEntityGenerator()).build()).build();
    //now do the hop
    final CloseableIterable<SimpleEntityDataObject> results = graph.execute(opChain, new User());
    //check the results by converting our edges back into SimpleDataObjects
    if (!results.iterator().hasNext()) {
        fail("No results returned");
    } else {
        for (final SimpleEntityDataObject obj : results) {
            LOGGER.info(obj.toString());
        }
        final List<SimpleEntityDataObject> resultList = Lists.newArrayList(results);
        assertEquals(1, resultList.size());
        assertEquals(1, resultList.get(0).getId());
        assertEquals(1, resultList.get(0).getVisibility());
        assertEquals("Red", resultList.get(0).getProperties());
    }
    results.close();
}