use of uk.gov.gchq.koryphe.impl.predicate.IsLessThan in project gaffer-doc by gchq.
the class Aggregation method run.
@Override
public CloseableIterable<? extends Element> run() throws OperationException, IOException {
// [graph] create a graph using our schema and store properties
// ---------------------------------------------------------
final Graph graph = new Graph.Builder().config(getDefaultGraphConfig()).addSchemas(StreamUtil.openStreams(getClass(), schemaPath)).storeProperties(getDefaultStoreProperties()).build();
// ---------------------------------------------------------
// [user] Create a user
// ---------------------------------------------------------
final User user = new User("user01");
// ---------------------------------------------------------
// [add] Create a data generator and add the edges to the graph using an operation chain consisting of:
// generateElements - generating edges from the data (note these are directed edges)
// addElements - add the edges to the graph
// ---------------------------------------------------------
final OperationChain<Void> addOpChain = new OperationChain.Builder().first(new GenerateElements.Builder<String>().generator(new RoadAndRoadUseWithTimesElementGenerator()).input(IOUtils.readLines(StreamUtil.openStream(getClass(), dataPath))).build()).then(new AddElements()).build();
graph.execute(addOpChain, user);
// ---------------------------------------------------------
print("The elements have been added.");
// [get] Get all RoadUse edges
// ---------------------------------------------------------
final GetAllElements getAllRoadUseEdges = new GetAllElements.Builder().view(new View.Builder().edge("RoadUse").build()).build();
final CloseableIterable<? extends Element> roadUseElements = graph.execute(getAllRoadUseEdges, user);
// ---------------------------------------------------------
print("\nAll RoadUse edges in daily time buckets:");
for (final Element element : roadUseElements) {
print("GET_ALL_EDGES_RESULT", element.toString());
}
// [get all edges summarised] Get all edges summarised (merge all time windows together)
// This is achieved by overriding the 'groupBy' start and end time properties.
// ---------------------------------------------------------
final GetAllElements edgesSummarisedOperation = new GetAllElements.Builder().view(new View.Builder().edge("RoadUse", new ViewElementDefinition.Builder().groupBy().build()).build()).build();
final CloseableIterable<? extends Element> edgesSummarised = graph.execute(edgesSummarisedOperation, user);
// ---------------------------------------------------------
print("\nAll edges summarised:");
for (final Element edge : edgesSummarised) {
print("GET_ALL_EDGES_SUMMARISED_RESULT", edge.toString());
}
// [get all edges summarised in time window] Get all edges summarised over a provided 2 day time period
// This is achieved by overriding the 'groupBy' start and end time properties
// and providing a filter.
// ---------------------------------------------------------
final GetAllElements edgesSummarisedInTimeWindowOperation = new GetAllElements.Builder().view(new View.Builder().edge("RoadUse", new ViewElementDefinition.Builder().preAggregationFilter(new ElementFilter.Builder().select("startDate").execute(new IsMoreThan(MAY_01_2000, true)).select("endDate").execute(new IsLessThan(MAY_02_2000, false)).build()).groupBy().build()).build()).build();
final CloseableIterable<? extends Element> edgesSummarisedInTimeWindow = graph.execute(edgesSummarisedInTimeWindowOperation, user);
// ---------------------------------------------------------
print("\nEdges in 2 day time window:");
for (final Element edge : edgesSummarisedInTimeWindow) {
print("GET_ALL_EDGES_SUMMARISED_IN_TIME_WINDOW_RESULT", edge.toString());
}
// [get all edges summarised in time window with min count] Now a bit more advanced.
// At query time you can actually override the logic for how Gaffer
// aggregates properties together. So by default the count property
// is aggregated with Sum. At query time we could change that, so the
// count property was aggregated with Max.
// ---------------------------------------------------------
final GetAllElements edgesSummarisedInTimeWindowWithMinCountOperation = new GetAllElements.Builder().view(new View.Builder().edge("RoadUse", new ViewElementDefinition.Builder().preAggregationFilter(new ElementFilter.Builder().select("startDate").execute(new IsMoreThan(MAY_01_2000, true)).select("endDate").execute(new IsLessThan(MAY_03_2000, false)).build()).groupBy().aggregator(new ElementAggregator.Builder().select("count").execute(new Min()).build()).build()).build()).build();
printJson("GET_ALL_EDGES_SUMMARISED_IN_TIME_WINDOW_RESULT_WITH_MIN_COUNT", edgesSummarisedInTimeWindowWithMinCountOperation);
final CloseableIterable<? extends Element> edgesSummarisedInTimeWindowWithMinCount = graph.execute(edgesSummarisedInTimeWindowWithMinCountOperation, user);
// ---------------------------------------------------------
print("\nEdges in 3 day time window with min count:");
for (final Element edge : edgesSummarisedInTimeWindowWithMinCount) {
print("GET_ALL_EDGES_SUMMARISED_IN_TIME_WINDOW_RESULT_WITH_MIN_COUNT", edge.toString());
}
return edgesSummarisedInTimeWindowWithMinCount;
}
use of uk.gov.gchq.koryphe.impl.predicate.IsLessThan in project Gaffer by gchq.
the class FilterToOperationConverterTest method testSpecifyVertexAndPropertyFilter.
@Test
public void testSpecifyVertexAndPropertyFilter() {
final Schema schema = getSchema();
final SparkSession sparkSession = SparkSessionProvider.getSparkSession();
// Specify vertex and a filter on property1
Filter[] filters = new Filter[2];
filters[0] = new GreaterThan("property1", 5);
filters[1] = new EqualTo(SchemaToStructTypeConverter.VERTEX_COL_NAME, "0");
FiltersToOperationConverter converter = new FiltersToOperationConverter(getViewFromSchema(schema), schema, filters);
Operation operation = converter.getOperation();
assertTrue(operation instanceof GetRDDOfElements);
assertEquals(1, ((GraphFilters) operation).getView().getEntityGroups().size());
assertEquals(0, ((GraphFilters) operation).getView().getEdgeGroups().size());
final Set<EntityId> seeds = new HashSet<>();
for (final Object seed : ((GetRDDOfElements) operation).getInput()) {
seeds.add((EntitySeed) seed);
}
assertEquals(Collections.singleton(new EntitySeed("0")), seeds);
View opView = ((GraphFilters) operation).getView();
List<TupleAdaptedPredicate<String, ?>> entityPostAggFilters = opView.getEntity(ENTITY_GROUP).getPostAggregationFilterFunctions();
assertThat(entityPostAggFilters).hasSize(1);
final ArrayList<String> expectedProperties = new ArrayList<>();
expectedProperties.add("property1");
assertThat(entityPostAggFilters.get(0).getSelection()).hasSize(1);
assertEquals(expectedProperties.get(0), entityPostAggFilters.get(0).getSelection()[0]);
final ArrayList<Predicate> expectedFunctions = new ArrayList<>();
expectedFunctions.add(new IsMoreThan(5, false));
assertEquals(expectedFunctions.get(0), entityPostAggFilters.get(0).getPredicate());
// Specify vertex and filters on properties property1 and property4
filters = new Filter[3];
filters[0] = new GreaterThan("property1", 5);
filters[1] = new EqualTo(SchemaToStructTypeConverter.VERTEX_COL_NAME, "0");
filters[2] = new LessThan("property4", 8);
converter = new FiltersToOperationConverter(getViewFromSchema(schema), schema, filters);
operation = converter.getOperation();
assertTrue(operation instanceof GetRDDOfElements);
assertEquals(1, ((GraphFilters) operation).getView().getEntityGroups().size());
assertEquals(0, ((GraphFilters) operation).getView().getEdgeGroups().size());
seeds.clear();
for (final Object seed : ((GetRDDOfElements) operation).getInput()) {
seeds.add((EntitySeed) seed);
}
assertEquals(Collections.singleton(new EntitySeed("0")), seeds);
opView = ((GraphFilters) operation).getView();
entityPostAggFilters = opView.getEntity(ENTITY_GROUP).getPostAggregationFilterFunctions();
assertThat(entityPostAggFilters).hasSize(2);
expectedProperties.clear();
expectedProperties.add("property1");
expectedProperties.add("property4");
assertThat(entityPostAggFilters.get(0).getSelection()).hasSize(1);
assertEquals(expectedProperties.get(0), entityPostAggFilters.get(0).getSelection()[0]);
assertThat(entityPostAggFilters.get(1).getSelection()).hasSize(1);
assertEquals(expectedProperties.get(1), entityPostAggFilters.get(1).getSelection()[0]);
expectedFunctions.clear();
expectedFunctions.add(new IsMoreThan(5, false));
expectedFunctions.add(new IsLessThan(8, false));
assertEquals(expectedFunctions.get(0), entityPostAggFilters.get(0).getPredicate());
assertEquals(expectedFunctions.get(1), entityPostAggFilters.get(1).getPredicate());
}
use of uk.gov.gchq.koryphe.impl.predicate.IsLessThan in project Gaffer by gchq.
the class FilterToOperationConverterTest method testSpecifyPropertyFilters.
@Test
public void testSpecifyPropertyFilters() {
final Schema schema = getSchema();
final SparkSession sparkSession = SparkSessionProvider.getSparkSession();
final Filter[] filters = new Filter[1];
// GreaterThan
filters[0] = new GreaterThan("property1", 5);
FiltersToOperationConverter converter = new FiltersToOperationConverter(getViewFromSchema(schema), schema, filters);
Operation operation = converter.getOperation();
assertTrue(operation instanceof GetRDDOfAllElements);
View opView = ((GraphFilters) operation).getView();
List<TupleAdaptedPredicate<String, ?>> entityPostAggFilters = opView.getEntity(ENTITY_GROUP).getPostAggregationFilterFunctions();
assertThat(entityPostAggFilters).hasSize(1);
assertArrayEquals(new String[] { "property1" }, entityPostAggFilters.get(0).getSelection());
assertEquals(new IsMoreThan(5, false), entityPostAggFilters.get(0).getPredicate());
for (final String edgeGroup : EDGE_GROUPS) {
final List<TupleAdaptedPredicate<String, ?>> edgePostAggFilters = opView.getEdge(edgeGroup).getPostAggregationFilterFunctions();
assertThat(edgePostAggFilters).hasSize(1);
assertArrayEquals(new String[] { "property1" }, edgePostAggFilters.get(0).getSelection());
assertEquals(new IsMoreThan(5, false), edgePostAggFilters.get(0).getPredicate());
}
// LessThan
filters[0] = new LessThan("property4", 8L);
converter = new FiltersToOperationConverter(getViewFromSchema(schema), schema, filters);
operation = converter.getOperation();
assertTrue(operation instanceof GetRDDOfAllElements);
// Only groups ENTITY_GROUP and EDGE_GROUP should be in the view as only they have property4
opView = ((GraphFilters) operation).getView();
entityPostAggFilters = opView.getEntity(ENTITY_GROUP).getPostAggregationFilterFunctions();
assertThat(entityPostAggFilters).hasSize(1);
assertArrayEquals(new String[] { "property4" }, entityPostAggFilters.get(0).getSelection());
assertEquals(new IsLessThan(8L, false), entityPostAggFilters.get(0).getPredicate());
List<TupleAdaptedPredicate<String, ?>> edgePostAggFilters = opView.getEdge(EDGE_GROUP).getPostAggregationFilterFunctions();
assertThat(edgePostAggFilters).hasSize(1);
assertArrayEquals(new String[] { "property4" }, edgePostAggFilters.get(0).getSelection());
assertEquals(new IsLessThan(8L, false), edgePostAggFilters.get(0).getPredicate());
// And
final Filter left = new GreaterThan("property1", 5);
final Filter right = new GreaterThan("property4", 8L);
filters[0] = new And(left, right);
converter = new FiltersToOperationConverter(getViewFromSchema(schema), schema, filters);
operation = converter.getOperation();
assertTrue(operation instanceof GetRDDOfAllElements);
// Only groups ENTITY_GROUP and EDGE_GROUP should be in the view as only they have property1 and property4
opView = ((GraphFilters) operation).getView();
entityPostAggFilters = opView.getEntity(ENTITY_GROUP).getPostAggregationFilterFunctions();
assertThat(entityPostAggFilters).hasSize(2);
final ArrayList<String> expectedProperties = new ArrayList<>();
expectedProperties.add("property1");
expectedProperties.add("property4");
assertThat(entityPostAggFilters.get(0).getSelection()).hasSize(1);
assertEquals(expectedProperties.get(0), entityPostAggFilters.get(0).getSelection()[0]);
assertThat(entityPostAggFilters.get(1).getSelection()).hasSize(1);
assertEquals(expectedProperties.get(1), entityPostAggFilters.get(1).getSelection()[0]);
final ArrayList<Predicate> expectedFunctions = new ArrayList<>();
expectedFunctions.add(new IsMoreThan(5, false));
expectedFunctions.add(new IsMoreThan(8L, false));
assertEquals(expectedFunctions.get(0), entityPostAggFilters.get(0).getPredicate());
assertEquals(expectedFunctions.get(1), entityPostAggFilters.get(1).getPredicate());
edgePostAggFilters = opView.getEdge(EDGE_GROUP).getPostAggregationFilterFunctions();
assertThat(edgePostAggFilters).hasSize(2);
assertThat(edgePostAggFilters.get(0).getSelection()).hasSize(1);
assertEquals(expectedProperties.get(0), edgePostAggFilters.get(0).getSelection()[0]);
assertThat(edgePostAggFilters.get(1).getSelection()).hasSize(1);
assertEquals(expectedProperties.get(1), edgePostAggFilters.get(1).getSelection()[0]);
}
use of uk.gov.gchq.koryphe.impl.predicate.IsLessThan in project Gaffer by gchq.
the class FilterToOperationConverterTest method testSpecifySourceOrDestinationAndPropertyFilter.
@Test
public void testSpecifySourceOrDestinationAndPropertyFilter() {
final Schema schema = getSchema();
final SparkSession sparkSession = SparkSessionProvider.getSparkSession();
// Specify src and a filter on property1
Filter[] filters = new Filter[2];
filters[0] = new GreaterThan("property1", 5);
filters[1] = new EqualTo(SchemaToStructTypeConverter.SRC_COL_NAME, "0");
FiltersToOperationConverter converter = new FiltersToOperationConverter(getViewFromSchema(schema), schema, filters);
Operation operation = converter.getOperation();
assertTrue(operation instanceof GetRDDOfElements);
assertEquals(0, ((GraphFilters) operation).getView().getEntityGroups().size());
assertEquals(2, ((GraphFilters) operation).getView().getEdgeGroups().size());
final Set<EntityId> seeds = new HashSet<>();
for (final Object seed : ((GetRDDOfElements) operation).getInput()) {
seeds.add((EntitySeed) seed);
}
assertEquals(Collections.singleton(new EntitySeed("0")), seeds);
View opView = ((GraphFilters) operation).getView();
for (final String edgeGroup : EDGE_GROUPS) {
final List<TupleAdaptedPredicate<String, ?>> edgePostAggFilters = opView.getEdge(edgeGroup).getPostAggregationFilterFunctions();
assertThat(edgePostAggFilters).hasSize(1);
assertArrayEquals(new String[] { "property1" }, edgePostAggFilters.get(0).getSelection());
assertEquals(new IsMoreThan(5, false), edgePostAggFilters.get(0).getPredicate());
}
// Specify src and filters on property1 and property4
filters = new Filter[3];
filters[0] = new GreaterThan("property1", 5);
filters[1] = new EqualTo(SchemaToStructTypeConverter.SRC_COL_NAME, "0");
filters[2] = new LessThan("property4", 8);
converter = new FiltersToOperationConverter(getViewFromSchema(schema), schema, filters);
operation = converter.getOperation();
assertTrue(operation instanceof GetRDDOfElements);
assertEquals(0, ((GraphFilters) operation).getView().getEntityGroups().size());
assertEquals(1, ((GraphFilters) operation).getView().getEdgeGroups().size());
seeds.clear();
for (final Object seed : ((GetRDDOfElements) operation).getInput()) {
seeds.add((EntitySeed) seed);
}
assertEquals(Collections.singleton(new EntitySeed("0")), seeds);
opView = ((GraphFilters) operation).getView();
final List<TupleAdaptedPredicate<String, ?>> entityPostAggFilters = opView.getEdge(EDGE_GROUP).getPostAggregationFilterFunctions();
assertThat(entityPostAggFilters).hasSize(2);
final List<String> expectedProperties = new ArrayList<>();
expectedProperties.add("property1");
expectedProperties.add("property4");
assertThat(entityPostAggFilters.get(0).getSelection()).hasSize(1);
assertEquals(expectedProperties.get(0), entityPostAggFilters.get(0).getSelection()[0]);
assertEquals(new IsMoreThan(5, false), entityPostAggFilters.get(0).getPredicate());
assertThat(entityPostAggFilters.get(1).getSelection()).hasSize(1);
assertEquals(expectedProperties.get(1), entityPostAggFilters.get(1).getSelection()[0]);
assertEquals(new IsLessThan(8, false), entityPostAggFilters.get(1).getPredicate());
}
use of uk.gov.gchq.koryphe.impl.predicate.IsLessThan in project Gaffer by gchq.
the class FilterToOperationConverterTest method testSpecifyMultiplePropertyFilters.
@Test
public void testSpecifyMultiplePropertyFilters() {
final Schema schema = getSchema();
final SparkSession sparkSession = SparkSessionProvider.getSparkSession();
final Filter[] filters = new Filter[2];
filters[0] = new GreaterThan("property1", 5);
filters[1] = new LessThan("property4", 8L);
FiltersToOperationConverter converter = new FiltersToOperationConverter(getViewFromSchema(schema), schema, filters);
Operation operation = converter.getOperation();
assertTrue(operation instanceof GetRDDOfAllElements);
// Only groups ENTITY_GROUP and EDGE_GROUP should be in the view as only they have property1 and property4
View opView = ((GraphFilters) operation).getView();
List<TupleAdaptedPredicate<String, ?>> entityPostAggFilters = opView.getEntity(ENTITY_GROUP).getPostAggregationFilterFunctions();
assertThat(entityPostAggFilters).hasSize(2);
final ArrayList<String> expectedProperties = new ArrayList<>();
expectedProperties.add("property1");
expectedProperties.add("property4");
assertThat(entityPostAggFilters.get(0).getSelection()).hasSize(1);
assertEquals(expectedProperties.get(0), entityPostAggFilters.get(0).getSelection()[0]);
assertThat(entityPostAggFilters.get(1).getSelection()).hasSize(1);
assertEquals(expectedProperties.get(1), entityPostAggFilters.get(1).getSelection()[0]);
final ArrayList<Predicate> expectedFunctions = new ArrayList<>();
expectedFunctions.add(new IsMoreThan(5, false));
expectedFunctions.add(new IsLessThan(8L, false));
assertEquals(expectedFunctions.get(0), entityPostAggFilters.get(0).getPredicate());
assertEquals(expectedFunctions.get(1), entityPostAggFilters.get(1).getPredicate());
final List<TupleAdaptedPredicate<String, ?>> edgePostAggFilters = opView.getEdge(EDGE_GROUP).getPostAggregationFilterFunctions();
assertThat(edgePostAggFilters).hasSize(2);
assertThat(edgePostAggFilters.get(0).getSelection()).hasSize(1);
assertEquals(expectedProperties.get(0), edgePostAggFilters.get(0).getSelection()[0]);
assertThat(edgePostAggFilters.get(1).getSelection()).hasSize(1);
assertEquals(expectedProperties.get(1), edgePostAggFilters.get(1).getSelection()[0]);
}
Aggregations