Examples with NamedView uk.gov.gchq.gaffer.data.elementdefinition.view.NamedView used on opensource projects

Example 6 with NamedView

use of uk.gov.gchq.gaffer.data.elementdefinition.view.NamedView in project Gaffer by gchq.

the class NamedViewResolver method resolveView.

private View resolveView(final String namedViewName, final Map<String, Object> parameters, final Context context) {
    final NamedViewDetail cachedNamedView;
    try {
        cachedNamedView = cache.getNamedView(namedViewName, context.getUser());
    } catch (final CacheOperationFailedException e) {
        throw new RuntimeException(e);
    }
    View resolvedView;
    if (null == cachedNamedView) {
        resolvedView = new View();
    } else {
        resolvedView = cachedNamedView.getView(parameters);
        if (resolvedView instanceof NamedView) {
            ((NamedView) resolvedView).setName(null);
            if (CollectionUtils.isNotEmpty(((NamedView) resolvedView).getMergedNamedViewNames())) {
                final View.Builder viewBuilder = new View.Builder();
                viewBuilder.merge(resolvedView);
                for (final String name : ((NamedView) resolvedView).getMergedNamedViewNames()) {
                    viewBuilder.merge(resolveView(name, parameters, context));
                }
                resolvedView = viewBuilder.build();
            }
        }
    }
    return resolvedView;
}

Example 7 with NamedView

use of uk.gov.gchq.gaffer.data.elementdefinition.view.NamedView in project Gaffer by gchq.

the class NamedViewResolver method resolveView.

private View resolveView(final NamedView namedView, final Context context) {
    View resolvedView = resolveView(namedView.getName(), namedView.getParameters(), context);
    if (CollectionUtils.isNotEmpty(namedView.getMergedNamedViewNames())) {
        final View.Builder viewBuilder = new View.Builder();
        viewBuilder.merge(resolvedView);
        for (final String name : namedView.getMergedNamedViewNames()) {
            viewBuilder.merge(resolveView(name, namedView.getParameters(), context));
        }
        resolvedView = viewBuilder.build();
    }
    namedView.setName(null);
    return new View.Builder().merge(resolvedView).merge(namedView).build();
}

Example 8 with NamedView

use of uk.gov.gchq.gaffer.data.elementdefinition.view.NamedView in project gaffer-doc by gchq.

the class NamedViews 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 RoadAndRoadUseWithTimesAndCardinalitiesElementGenerator()).input(IOUtils.readLines(StreamUtil.openStream(getClass(), "RoadAndRoadUseWithTimesAndCardinalities/data.txt"))).build()).then(new AddElements()).build();
    graph.execute(addOpChain, user);
    // ---------------------------------------------------------
    // [add named view] add a NamedView to be reused
    // ---------------------------------------------------------
    final AddNamedView addNamedView = new AddNamedView.Builder().name("RoadUse edges").description("NamedView to get only RoadUse edges").view(new View.Builder().edge("RoadUse").build()).overwrite(false).build();
    // ---------------------------------------------------------
    printJsonAndPython("ADD_NAMED_VIEW", addNamedView);
    graph.execute(addNamedView, user);
    // [get all named views] Get all named views
    // ---------------------------------------------------------
    final GetAllNamedViews getAllNamedViews = new GetAllNamedViews();
    // ---------------------------------------------------------
    printJsonAndPython("GET_ALL_NAMED_VIEWS", new GetAllNamedViews());
    final CloseableIterable<NamedViewDetail> namedViewDetails = graph.execute(getAllNamedViews, user);
    for (final NamedViewDetail detail : namedViewDetails) {
        print("ALL_NAMED_VIEW", detail.toString());
    }
    // [get elements with named view] create the operation using the NamedView
    // ---------------------------------------------------------
    final GetElements operation = new GetElements.Builder().view(new NamedView.Builder().name("RoadUse edges").build()).input(new EntitySeed("10")).build();
    // ---------------------------------------------------------
    printJsonAndPython("GET_ELEMENTS_WITH_NAMED_VIEW", operation);
    final CloseableIterable<? extends Element> namedViewResults = graph.execute(operation, user);
    for (final Object result : namedViewResults) {
        print("GET_ELEMENTS_WITH_NAMED_VIEW_RESULTS", result.toString());
    }
    // [add named view with parameters] create an operation chain to be executed as a named operation
    // with parameters
    // ---------------------------------------------------------
    final String viewJson = "{" + "      \"edges\" : {" + "        \"RoadUse\" : {  " + "           \"preAggregationFilterFunctions\" : [ {" + "               \"predicate\" : {" + "                   \"class\" : \"uk.gov.gchq.koryphe.impl.predicate.IsMoreThan\"," + "                   \"orEqualTo\" : false," + "                     \"value\": {" + "                         \"java.lang.Long\" : \"${isMoreThan}\"" + "                       }" + "                 }," + "             \"selection\" : [ \"${property}\" ]" + "         } ] }" + "      }," + "      \"entities\" : { }" + "}";
    final ViewParameterDetail propertyParam = new ViewParameterDetail.Builder().description("Property to select").valueClass(String.class).required(true).build();
    final ViewParameterDetail valueParam = new ViewParameterDetail.Builder().description("Value for the is more than predicate").defaultValue(0L).valueClass(Long.class).build();
    final Map<String, ViewParameterDetail> paramDetailMap = Maps.newHashMap();
    paramDetailMap.put("property", propertyParam);
    paramDetailMap.put("isMoreThan", valueParam);
    final AddNamedView addNamedViewWithParams = new AddNamedView.Builder().name("customCountView").description("named View with count param").view(viewJson).parameters(paramDetailMap).overwrite(true).build();
    // ---------------------------------------------------------
    printJsonAndPython("ADD_NAMED_VIEW_WITH_PARAMETERS", addNamedViewWithParams);
    graph.execute(addNamedViewWithParams, user);
    // [get elements with named view with parameters] create the named operation with a parameter
    // ---------------------------------------------------------
    final Map<String, Object> paramMap = Maps.newHashMap();
    paramMap.put("property", "count");
    paramMap.put("isMoreThan", 1L);
    final GetElements operationUsingParams = new GetElements.Builder().view(new NamedView.Builder().name("customCountView").parameters(paramMap).build()).input(new EntitySeed("10")).build();
    // ---------------------------------------------------------
    printJsonAndPython("GET_ELEMENTS_WITH_NAMED_VIEW_WITH_PARAMETERS", operationUsingParams);
    final CloseableIterable<? extends Element> namedViewResultsWithParams = graph.execute(operationUsingParams, user);
    for (final Object result : namedViewResultsWithParams) {
        print("GET_ELEMENTS_WITH_NAMED_VIEW_WITH_PARAMETERS_RESULTS", result.toString());
    }
    return namedViewResultsWithParams;
}

Example 9 with NamedView

use of uk.gov.gchq.gaffer.data.elementdefinition.view.NamedView in project Gaffer by gchq.

the class AddNamedViewHandlerTest method shouldNotAddNestedNamedView.

@Test
public void shouldNotAddNestedNamedView() throws OperationException {
    final NamedView nestedNamedView = new NamedView.Builder().name(testNamedViewName + 1).edge(TestGroups.EDGE).build();
    addNamedView = new AddNamedView.Builder().name(testNamedViewName).view(nestedNamedView).overwrite(false).build();
    try {
        handler.doOperation(addNamedView, context, store);
    } catch (final OperationException e) {
        assertTrue(e.getMessage().equals("NamedView can not be nested within NamedView"));
    }
}

Example 10 with NamedView

use of uk.gov.gchq.gaffer.data.elementdefinition.view.NamedView in project Gaffer by gchq.

the class OperationView method setViews.

/**
 * Merges a list of {@link View}s, including the current if set, and sets the {@link OperationView} to the new merged {@link View}.
 *
 * @param views the list of views to merge
 */
default void setViews(final List<View> views) {
    if (null != views) {
        boolean isNamedView = null != getView() && getView() instanceof NamedView;
        if (!isNamedView) {
            for (final View view : views) {
                if (null != view && view instanceof NamedView) {
                    isNamedView = true;
                    break;
                }
            }
        }
        final View.BaseBuilder builder = isNamedView ? new NamedView.Builder() : new View.Builder();
        if (null != getView()) {
            builder.merge(getView());
        }
        views.forEach(view -> builder.merge(view));
        setView(builder.build());
    }
}