Examples with MapBinderBinding com.google.inject.multibindings.MapBinderBinding used on opensource projects

Example 1 with MapBinderBinding

use of com.google.inject.multibindings.MapBinderBinding in project guice by google.

the class MapBinderTest method testTwoMapBindersAreDistinct.

public void testTwoMapBindersAreDistinct() {
    Injector injector = Guice.createInjector(new AbstractModule() {

        @Override
        protected void configure() {
            MapBinder.newMapBinder(binder(), String.class, String.class).addBinding("A").toInstance("a");
            MapBinder.newMapBinder(binder(), Integer.class, String.class).addBinding(1).toInstance("b");
        }
    });
    Collector collector = new Collector();
    Binding<Map<String, String>> map1 = injector.getBinding(Key.get(mapOfString));
    map1.acceptTargetVisitor(collector);
    assertNotNull(collector.mapbinding);
    MapBinderBinding<?> map1Binding = collector.mapbinding;
    Binding<Map<Integer, String>> map2 = injector.getBinding(Key.get(mapOfIntString));
    map2.acceptTargetVisitor(collector);
    assertNotNull(collector.mapbinding);
    MapBinderBinding<?> map2Binding = collector.mapbinding;
    List<Binding<String>> bindings = injector.findBindingsByType(stringType);
    assertEquals("should have two elements: " + bindings, 2, bindings.size());
    Binding<String> a = bindings.get(0);
    Binding<String> b = bindings.get(1);
    assertEquals("a", ((InstanceBinding<String>) a).getInstance());
    assertEquals("b", ((InstanceBinding<String>) b).getInstance());
    // Make sure the correct elements belong to their own sets.
    assertTrue(map1Binding.containsElement(a));
    assertFalse(map1Binding.containsElement(b));
    assertFalse(map2Binding.containsElement(a));
    assertTrue(map2Binding.containsElement(b));
}

Example 2 with MapBinderBinding

use of com.google.inject.multibindings.MapBinderBinding in project guice by google.

the class MapBinderTest method testGetEntriesWithDuplicateValues.

@SuppressWarnings("rawtypes")
public void testGetEntriesWithDuplicateValues() {
    // Set up the module
    Module module = new AbstractModule() {

        @Override
        protected void configure() {
            MapBinder<String, String> mapBinder = MapBinder.newMapBinder(binder(), String.class, String.class);
            mapBinder.addBinding("A").toInstance("a");
            mapBinder.addBinding("A").toInstance("a");
        }
    };
    // Get the MapBinderBinding
    List<com.google.inject.spi.Element> elements = Elements.getElements(module);
    MapBinderBinding<?> mapBinderBinding = getMapBinderBinding(elements);
    // Execute the call to getEntries
    List<Map.Entry<?, Binding<?>>> mapEntries = mapBinderBinding.getEntries(elements);
    // Assert on the results
    Map.Entry<?, Binding<?>> firstEntry = mapEntries.get(0);
    assertEquals("A", firstEntry.getKey());
    Binding<?> firstBinding = firstEntry.getValue();
    assertEquals("a", ((InstanceBinding) firstBinding).getInstance());
    Map.Entry<?, Binding<?>> secondEntry = mapEntries.get(1);
    assertEquals("A", secondEntry.getKey());
    Binding<?> secondBinding = secondEntry.getValue();
    assertEquals("a", ((InstanceBinding) secondBinding).getInstance());
}

Example 3 with MapBinderBinding

use of com.google.inject.multibindings.MapBinderBinding in project guice by google.

the class MapBinderTest method testGetEntriesWithDuplicateKeys.

@SuppressWarnings("rawtypes")
public void testGetEntriesWithDuplicateKeys() {
    // Set up the module
    Module module = new AbstractModule() {

        @Override
        protected void configure() {
            MapBinder<String, String> mapBinder = MapBinder.newMapBinder(binder(), String.class, String.class);
            mapBinder.addBinding("A").toInstance("a1");
            mapBinder.addBinding("A").toInstance("a2");
            mapBinder.permitDuplicates();
        }
    };
    // Get the MapBinderBinding
    List<com.google.inject.spi.Element> elements = Elements.getElements(module);
    MapBinderBinding<?> mapBinderBinding = getMapBinderBinding(elements);
    // Execute the call to getEntries
    List<Map.Entry<?, Binding<?>>> mapEntries = mapBinderBinding.getEntries(elements);
    // Assert on the results
    Map.Entry<?, Binding<?>> firstEntry = mapEntries.get(0);
    assertEquals("A", firstEntry.getKey());
    Binding<?> firstBinding = firstEntry.getValue();
    assertEquals("a1", ((InstanceBinding) firstBinding).getInstance());
    Map.Entry<?, Binding<?>> secondEntry = mapEntries.get(1);
    assertEquals("A", secondEntry.getKey());
    Binding<?> secondBinding = secondEntry.getValue();
    assertEquals("a2", ((InstanceBinding) secondBinding).getInstance());
}

Example 4 with MapBinderBinding

use of com.google.inject.multibindings.MapBinderBinding in project guice by google.

the class SpiUtils method mapInjectorTest.

@SuppressWarnings("unchecked")
private static <T> void mapInjectorTest(Key<T> mapKey, TypeLiteral<?> keyType, TypeLiteral<?> valueType, Iterable<? extends Module> modules, boolean allowDuplicates, int expectedMapBindings, MapResult<?, ?>... results) {
    Injector injector = Guice.createInjector(modules);
    Visitor<T> visitor = new Visitor<>();
    Binding<T> mapBinding = injector.getBinding(mapKey);
    MapBinderBinding<T> mapbinder = (MapBinderBinding<T>) mapBinding.acceptTargetVisitor(visitor);
    assertNotNull(mapbinder);
    assertEquals(mapKey, mapbinder.getMapKey());
    assertEquals(keyType, mapbinder.getKeyTypeLiteral());
    assertEquals(valueType, mapbinder.getValueTypeLiteral());
    assertEquals(allowDuplicates, mapbinder.permitsDuplicates());
    List<Map.Entry<?, Binding<?>>> entries = Lists.newArrayList(mapbinder.getEntries());
    List<MapResult<?, ?>> mapResults = Lists.newArrayList(results);
    assertEquals("wrong entries, expected: " + mapResults + ", but was: " + entries, mapResults.size(), entries.size());
    for (MapResult<?, ?> result : mapResults) {
        Map.Entry<?, Binding<?>> found = null;
        for (Map.Entry<?, Binding<?>> entry : entries) {
            Object key = entry.getKey();
            Binding<?> value = entry.getValue();
            if (key.equals(result.k) && matches(value, result.v)) {
                found = entry;
                break;
            }
        }
        if (found == null) {
            fail("Could not find entry: " + result + " in remaining entries: " + entries);
        } else {
            assertTrue("mapBinder doesn't contain: " + found.getValue(), mapbinder.containsElement(found.getValue()));
            entries.remove(found);
        }
    }
    if (!entries.isEmpty()) {
        fail("Found all entries of: " + mapResults + ", but more were left over: " + entries);
    }
    Key<?> mapOfJavaxProvider = mapKey.ofType(mapOfJavaxProviderOf(keyType, valueType));
    Key<?> mapOfProvider = mapKey.ofType(mapOfProviderOf(keyType, valueType));
    Key<?> mapOfSetOfProvider = mapKey.ofType(mapOfSetOfProviderOf(keyType, valueType));
    Key<?> mapOfSetOfJavaxProvider = mapKey.ofType(mapOfSetOfJavaxProviderOf(keyType, valueType));
    Key<?> mapOfCollectionOfProvider = mapKey.ofType(mapOfCollectionOfProviderOf(keyType, valueType));
    Key<?> mapOfCollectionOfJavaxProvider = mapKey.ofType(mapOfCollectionOfJavaxProviderOf(keyType, valueType));
    Key<?> mapOfSet = mapKey.ofType(mapOf(keyType, setOf(valueType)));
    Key<?> setOfEntry = mapKey.ofType(setOf(entryOfProviderOf(keyType, valueType)));
    Key<?> setOfJavaxEntry = mapKey.ofType(setOf(entryOfJavaxProviderOf(keyType, valueType)));
    Key<?> collectionOfProvidersOfEntryOfProvider = mapKey.ofType(collectionOfProvidersOf(entryOfProviderOf(keyType, valueType)));
    Key<?> collectionOfJavaxProvidersOfEntryOfProvider = mapKey.ofType(collectionOfJavaxProvidersOf(entryOfProviderOf(keyType, valueType)));
    Key<?> setOfExtendsOfEntryOfProvider = mapKey.ofType(setOfExtendsOf(entryOfProviderOf(keyType, valueType)));
    Key<?> mapOfKeyExtendsValueKey = mapKey.ofType(mapOf(keyType, TypeLiteral.get(Types.subtypeOf(valueType.getType()))));
    assertEquals(ImmutableSet.of(mapOfJavaxProvider, mapOfProvider, mapOfSetOfProvider, mapOfSetOfJavaxProvider, mapOfCollectionOfProvider, mapOfCollectionOfJavaxProvider, mapOfSet, mapOfKeyExtendsValueKey), mapbinder.getAlternateMapKeys());
    boolean entrySetMatch = false;
    boolean javaxEntrySetMatch = false;
    boolean mapJavaxProviderMatch = false;
    boolean mapProviderMatch = false;
    boolean mapSetMatch = false;
    boolean mapSetProviderMatch = false;
    boolean mapSetJavaxProviderMatch = false;
    boolean mapCollectionProviderMatch = false;
    boolean mapCollectionJavaxProviderMatch = false;
    boolean collectionOfProvidersOfEntryOfProviderMatch = false;
    boolean collectionOfJavaxProvidersOfEntryOfProviderMatch = false;
    boolean setOfExtendsOfEntryOfProviderMatch = false;
    boolean mapOfKeyExtendsValueKeyMatch = false;
    List<Object> otherMapBindings = Lists.newArrayList();
    List<Binding<?>> otherMatches = Lists.newArrayList();
    Multimap<Object, IndexedBinding> indexedEntries = MultimapBuilder.hashKeys().hashSetValues().build();
    Indexer indexer = new Indexer(injector);
    int duplicates = 0;
    for (Binding<?> b : injector.getAllBindings().values()) {
        boolean contains = mapbinder.containsElement(b);
        Object visited = ((Binding<T>) b).acceptTargetVisitor(visitor);
        if (visited instanceof MapBinderBinding) {
            if (visited.equals(mapbinder)) {
                assertTrue(contains);
            } else {
                otherMapBindings.add(visited);
            }
        } else if (b.getKey().equals(mapOfProvider)) {
            assertTrue(contains);
            mapProviderMatch = true;
        } else if (b.getKey().equals(mapOfJavaxProvider)) {
            assertTrue(contains);
            mapJavaxProviderMatch = true;
        } else if (b.getKey().equals(mapOfSet)) {
            assertTrue(contains);
            mapSetMatch = true;
        } else if (b.getKey().equals(mapOfSetOfProvider)) {
            assertTrue(contains);
            mapSetProviderMatch = true;
        } else if (b.getKey().equals(mapOfSetOfJavaxProvider)) {
            assertTrue(contains);
            mapSetJavaxProviderMatch = true;
        } else if (b.getKey().equals(mapOfCollectionOfProvider)) {
            assertTrue(contains);
            mapCollectionProviderMatch = true;
        } else if (b.getKey().equals(mapOfCollectionOfJavaxProvider)) {
            assertTrue(contains);
            mapCollectionJavaxProviderMatch = true;
        } else if (b.getKey().equals(setOfEntry)) {
            assertTrue(contains);
            entrySetMatch = true;
            // Validate that this binding is also a MultibinderBinding.
            assertThat(((Binding<T>) b).acceptTargetVisitor(visitor)).isInstanceOf(MultibinderBinding.class);
        } else if (b.getKey().equals(setOfJavaxEntry)) {
            assertTrue(contains);
            javaxEntrySetMatch = true;
        } else if (b.getKey().equals(collectionOfProvidersOfEntryOfProvider)) {
            assertTrue(contains);
            collectionOfProvidersOfEntryOfProviderMatch = true;
        } else if (b.getKey().equals(collectionOfJavaxProvidersOfEntryOfProvider)) {
            assertTrue(contains);
            collectionOfJavaxProvidersOfEntryOfProviderMatch = true;
        } else if (b.getKey().equals(setOfExtendsOfEntryOfProvider)) {
            assertTrue(contains);
            setOfExtendsOfEntryOfProviderMatch = true;
        } else if (b.getKey().equals(mapOfKeyExtendsValueKey)) {
            assertTrue(contains);
            mapOfKeyExtendsValueKeyMatch = true;
        } else if (contains) {
            if (b instanceof ProviderInstanceBinding) {
                ProviderInstanceBinding<?> pib = (ProviderInstanceBinding<?>) b;
                if (pib.getUserSuppliedProvider() instanceof ProviderMapEntry) {
                    // weird casting required to workaround compilation issues with jdk6
                    ProviderMapEntry<?, ?> pme = (ProviderMapEntry<?, ?>) (Provider) pib.getUserSuppliedProvider();
                    Binding<?> valueBinding = injector.getBinding(pme.getValueKey());
                    if (indexer.isIndexable(valueBinding) && !indexedEntries.put(pme.getKey(), valueBinding.acceptTargetVisitor(indexer))) {
                        duplicates++;
                    }
                }
            }
            otherMatches.add(b);
        }
    }
    int sizeOfOther = otherMatches.size();
    if (allowDuplicates) {
        // account for 1 duplicate binding
        sizeOfOther--;
    }
    // Multiply by two because each has a value and Map.Entry.
    int expectedSize = 2 * (mapResults.size() + duplicates);
    assertEquals("Incorrect other matches:\n\t" + Joiner.on("\n\t").join(otherMatches), expectedSize, sizeOfOther);
    assertTrue(entrySetMatch);
    assertTrue(javaxEntrySetMatch);
    assertTrue(mapProviderMatch);
    assertTrue(mapJavaxProviderMatch);
    assertTrue(collectionOfProvidersOfEntryOfProviderMatch);
    assertTrue(collectionOfJavaxProvidersOfEntryOfProviderMatch);
    assertTrue(setOfExtendsOfEntryOfProviderMatch);
    assertTrue(mapOfKeyExtendsValueKeyMatch);
    assertEquals(allowDuplicates, mapSetMatch);
    assertEquals(allowDuplicates, mapSetProviderMatch);
    assertEquals(allowDuplicates, mapSetJavaxProviderMatch);
    assertEquals(allowDuplicates, mapCollectionJavaxProviderMatch);
    assertEquals(allowDuplicates, mapCollectionProviderMatch);
    assertEquals("other MapBindings found: " + otherMapBindings, expectedMapBindings, otherMapBindings.size());
}

Example 5 with MapBinderBinding

use of com.google.inject.multibindings.MapBinderBinding in project guice by google.

the class SpiUtils method mapInjectorTest.

@SuppressWarnings("unchecked")
private static <T> void mapInjectorTest(Key<T> mapKey, TypeLiteral<?> keyType, TypeLiteral<?> valueType, Iterable<? extends Module> modules, boolean allowDuplicates, int expectedMapBindings, MapResult... results) {
    Injector injector = Guice.createInjector(modules);
    Visitor<T> visitor = new Visitor<T>();
    Binding<T> mapBinding = injector.getBinding(mapKey);
    MapBinderBinding<T> mapbinder = (MapBinderBinding<T>) mapBinding.acceptTargetVisitor(visitor);
    assertNotNull(mapbinder);
    assertEquals(keyType, mapbinder.getKeyTypeLiteral());
    assertEquals(valueType, mapbinder.getValueTypeLiteral());
    assertEquals(allowDuplicates, mapbinder.permitsDuplicates());
    List<Map.Entry<?, Binding<?>>> entries = Lists.newArrayList(mapbinder.getEntries());
    List<MapResult> mapResults = Lists.newArrayList(results);
    assertEquals("wrong entries, expected: " + mapResults + ", but was: " + entries, mapResults.size(), entries.size());
    for (MapResult result : mapResults) {
        Map.Entry<?, Binding<?>> found = null;
        for (Map.Entry<?, Binding<?>> entry : entries) {
            Object key = entry.getKey();
            Binding<?> value = entry.getValue();
            if (key.equals(result.k) && matches(value, result.v)) {
                found = entry;
                break;
            }
        }
        if (found == null) {
            fail("Could not find entry: " + result + " in remaining entries: " + entries);
        } else {
            assertTrue("mapBinder doesn't contain: " + found.getValue(), mapbinder.containsElement(found.getValue()));
            entries.remove(found);
        }
    }
    if (!entries.isEmpty()) {
        fail("Found all entries of: " + mapResults + ", but more were left over: " + entries);
    }
    Key<?> mapOfJavaxProvider = mapKey.ofType(mapOfJavaxProviderOf(keyType, valueType));
    Key<?> mapOfProvider = mapKey.ofType(mapOfProviderOf(keyType, valueType));
    Key<?> mapOfSetOfProvider = mapKey.ofType(mapOfSetOfProviderOf(keyType, valueType));
    Key<?> mapOfSetOfJavaxProvider = mapKey.ofType(mapOfSetOfJavaxProviderOf(keyType, valueType));
    Key<?> mapOfCollectionOfProvider = mapKey.ofType(mapOfCollectionOfProviderOf(keyType, valueType));
    Key<?> mapOfCollectionOfJavaxProvider = mapKey.ofType(mapOfCollectionOfJavaxProviderOf(keyType, valueType));
    Key<?> mapOfSet = mapKey.ofType(mapOf(keyType, setOf(valueType)));
    Key<?> setOfEntry = mapKey.ofType(setOf(entryOfProviderOf(keyType, valueType)));
    Key<?> setOfJavaxEntry = mapKey.ofType(setOf(entryOfJavaxProviderOf(keyType, valueType)));
    Key<?> collectionOfProvidersOfEntryOfProvider = mapKey.ofType(collectionOfProvidersOf(entryOfProviderOf(keyType, valueType)));
    Key<?> collectionOfJavaxProvidersOfEntryOfProvider = mapKey.ofType(collectionOfJavaxProvidersOf(entryOfProviderOf(keyType, valueType)));
    boolean entrySetMatch = false;
    boolean javaxEntrySetMatch = false;
    boolean mapJavaxProviderMatch = false;
    boolean mapProviderMatch = false;
    boolean mapSetMatch = false;
    boolean mapSetProviderMatch = false;
    boolean mapSetJavaxProviderMatch = false;
    boolean mapCollectionProviderMatch = false;
    boolean mapCollectionJavaxProviderMatch = false;
    boolean collectionOfProvidersOfEntryOfProviderMatch = false;
    boolean collectionOfJavaxProvidersOfEntryOfProviderMatch = false;
    List<Object> otherMapBindings = Lists.newArrayList();
    List<Binding> otherMatches = Lists.newArrayList();
    Multimap<Object, IndexedBinding> indexedEntries = MultimapBuilder.hashKeys().hashSetValues().build();
    Indexer indexer = new Indexer(injector);
    int duplicates = 0;
    for (Binding b : injector.getAllBindings().values()) {
        boolean contains = mapbinder.containsElement(b);
        Object visited = b.acceptTargetVisitor(visitor);
        if (visited instanceof MapBinderBinding) {
            if (visited.equals(mapbinder)) {
                assertTrue(contains);
            } else {
                otherMapBindings.add(visited);
            }
        } else if (b.getKey().equals(mapOfProvider)) {
            assertTrue(contains);
            mapProviderMatch = true;
        } else if (b.getKey().equals(mapOfJavaxProvider)) {
            assertTrue(contains);
            mapJavaxProviderMatch = true;
        } else if (b.getKey().equals(mapOfSet)) {
            assertTrue(contains);
            mapSetMatch = true;
        } else if (b.getKey().equals(mapOfSetOfProvider)) {
            assertTrue(contains);
            mapSetProviderMatch = true;
        } else if (b.getKey().equals(mapOfSetOfJavaxProvider)) {
            assertTrue(contains);
            mapSetJavaxProviderMatch = true;
        } else if (b.getKey().equals(mapOfCollectionOfProvider)) {
            assertTrue(contains);
            mapCollectionProviderMatch = true;
        } else if (b.getKey().equals(mapOfCollectionOfJavaxProvider)) {
            assertTrue(contains);
            mapCollectionJavaxProviderMatch = true;
        } else if (b.getKey().equals(setOfEntry)) {
            assertTrue(contains);
            entrySetMatch = true;
            // Validate that this binding is also a MultibinderBinding.
            assertTrue(b.acceptTargetVisitor(visitor) instanceof MultibinderBinding);
        } else if (b.getKey().equals(setOfJavaxEntry)) {
            assertTrue(contains);
            javaxEntrySetMatch = true;
        } else if (b.getKey().equals(collectionOfProvidersOfEntryOfProvider)) {
            assertTrue(contains);
            collectionOfProvidersOfEntryOfProviderMatch = true;
        } else if (b.getKey().equals(collectionOfJavaxProvidersOfEntryOfProvider)) {
            assertTrue(contains);
            collectionOfJavaxProvidersOfEntryOfProviderMatch = true;
        } else if (contains) {
            if (b instanceof ProviderInstanceBinding) {
                ProviderInstanceBinding<?> pib = (ProviderInstanceBinding<?>) b;
                if (pib.getUserSuppliedProvider() instanceof ProviderMapEntry) {
                    // weird casting required to workaround compilation issues with jdk6
                    ProviderMapEntry<?, ?> pme = (ProviderMapEntry<?, ?>) (Provider) pib.getUserSuppliedProvider();
                    Binding<?> valueBinding = injector.getBinding(pme.getValueKey());
                    if (indexer.isIndexable(valueBinding) && !indexedEntries.put(pme.getKey(), valueBinding.acceptTargetVisitor(indexer))) {
                        duplicates++;
                    }
                }
            }
            otherMatches.add(b);
        }
    }
    int sizeOfOther = otherMatches.size();
    if (allowDuplicates) {
        // account for 1 duplicate binding
        sizeOfOther--;
    }
    // Multiply by two because each has a value and Map.Entry.
    int expectedSize = 2 * (mapResults.size() + duplicates);
    assertEquals("Incorrect other matches:\n\t" + Joiner.on("\n\t").join(otherMatches), expectedSize, sizeOfOther);
    assertTrue(entrySetMatch);
    assertTrue(javaxEntrySetMatch);
    assertTrue(mapProviderMatch);
    assertTrue(mapJavaxProviderMatch);
    assertTrue(collectionOfProvidersOfEntryOfProviderMatch);
    assertTrue(collectionOfJavaxProvidersOfEntryOfProviderMatch);
    assertEquals(allowDuplicates, mapSetMatch);
    assertEquals(allowDuplicates, mapSetProviderMatch);
    assertEquals(allowDuplicates, mapSetJavaxProviderMatch);
    assertEquals(allowDuplicates, mapCollectionJavaxProviderMatch);
    assertEquals(allowDuplicates, mapCollectionProviderMatch);
    assertEquals("other MapBindings found: " + otherMapBindings, expectedMapBindings, otherMapBindings.size());
}