Examples of org.elasticsearch.common.inject.Injector

org.elasticsearch.common.inject.Injector
Builds the graphs of objects that make up your application. The injector tracks the dependencies for each type and uses bindings to inject them. This is the core of Guice, although you rarely interact with it directly. This "behind-the-scenes" operation is what distinguishes dependency injection from its cousin, the service locator pattern.
Contains several default bindings:
- This {@link Injector} instance itself
- A {@code Provider} for each binding of type {@code T}
- The {@link java.util.logging.Logger} for the class being injected
- The {@link Stage} in which the Injector was created
Injectors are created using the facade class {@link Guice}.
An injector can also {@link #injectMembers(Object) inject the dependencies} ofalready-constructed instances. This can be used to interoperate with objects created by other frameworks or services.
Injectors can be {@link #createChildInjector(Iterable) hierarchical}. Child injectors inherit the configuration of their parent injectors, but the converse does not hold.
The injector's {@link #getBindings() internal bindings} are available for introspection. Thisenables tools and extensions to operate on an injector reflectively. @author crazybob@google.com (Bob Lee) @author jessewilson@google.com (Jesse Wilson)

                new OperatorModule(),
                new AggregationImplModule(),
                new HighlightModule(),
                new TestModule(),
                new MetaDataModule());
        Injector injector = builder.createInjector();


        ImplementationSymbolVisitor implementationSymbolVisitor = new ImplementationSymbolVisitor(
                injector.getInstance(ReferenceResolver.class),
                injector.getInstance(Functions.class),
                RowGranularity.CLUSTER);
        projectionToProjectorVisitor = new ProjectionToProjectorVisitor(
                new NoopClusterService(),
                ImmutableSettings.EMPTY,
                mock(TransportActionProvider.class),

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        }
    }


    @Test
    public void testTimestampTypeValidation() throws Exception {
        Injector injector = new ModulesBuilder()
                .add(new TestModule())
                .createInjector();


        Functions functions = injector.getInstance(Functions.class);
        functions.get(new FunctionIdent(AddFunction.NAME,
                Arrays.<DataType>asList(DataTypes.TIMESTAMP, DataTypes.TIMESTAMP)));
    }

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    @Before
    public void setUp() throws Exception {
        ModulesBuilder modules = new ModulesBuilder();
        modules.add(new ScalarFunctionModule());
        Injector injector = modules.createInjector();
        functions = injector.getInstance(Functions.class);
    }

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        }
    }


    @Before
    public void prepare() {
        Injector injector = new ModulesBuilder()
                .add(new OperatorModule())
                .add(new AllocationDecidersModule(ImmutableSettings.EMPTY))
                .add(new TestModule())
                .createInjector();
        operation = injector.getInstance(DistributingCollectOperation.class);


        Injector shard0Injector = injector.createChildInjector(
                new TestShardModule(0)
        );
        Injector shard1Injector = injector.createChildInjector(
                new TestShardModule(1)
        );
        when(indexService.shardInjectorSafe(0)).thenReturn(shard0Injector);
        when(indexService.shardInjectorSafe(1)).thenReturn(shard1Injector);
        when(indexService.shardSafe(0)).thenReturn(shard0Injector.getInstance(IndexShard.class));
        when(indexService.shardSafe(1)).thenReturn(shard1Injector.getInstance(IndexShard.class));
    }

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            } catch (IndexMissingException e) {
                throw new TableUnknownException(entry.getKey(), e);
            }


            for (Integer shardId : entry.getValue()) {
                Injector shardInjector;
                try {
                    shardInjector = indexService.shardInjectorSafe(shardId);
                    ShardCollectService shardCollectService = shardInjector.getInstance(ShardCollectService.class);
                    CrateCollector collector = shardCollectService.getCollector(
                            collectNode,
                            projectorChain
                    );
                    shardCollectors.add(collector);

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        modules.add(new SettingsModule(this.settings));


        modules.add(new ClusterNameModule(this.settings));
        modules.add(new TransportModule(this.settings));


        Injector injector = modules.createInjector();
        injector.getInstance(TransportService.class).start();
        internalClient = injector.getInstance(InternalCrateClient.class);
    }

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    }


    public BlobShard blobShard(String index, int shardId) {
        IndexService indexService = indicesService.indexService(index);
        if (indexService != null) {
            Injector injector = indexService.shardInjector(shardId);
            if (injector != null) {
                return injector.getInstance(BlobShard.class);
            }
        }


        return null;
    }

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    public AnalysisService createAnalysisService() {
        Settings settings = ImmutableSettings.settingsBuilder().loadFromClasspath("org/xbib/elasticsearch/index/analysis/decompound_analysis.json").build();


        Index index = new Index("test");


        Injector parentInjector = new ModulesBuilder().add(new SettingsModule(settings),
                new EnvironmentModule(new Environment(settings)),
                new IndicesAnalysisModule())
                .createInjector();


        AnalysisModule analysisModule = new AnalysisModule(settings, parentInjector.getInstance(IndicesAnalysisService.class));
        new AnalysisDecompoundPlugin().onModule(analysisModule);


        Injector injector = new ModulesBuilder().add(
                new IndexSettingsModule(index, settings),
                new IndexNameModule(index),
                analysisModule)
                .createChildInjector(parentInjector);


        return injector.getInstance(AnalysisService.class);
    }

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    public AnalysisService createAnalysisService() {
        Settings settings = ImmutableSettings.settingsBuilder().loadFromClasspath("org/xbib/elasticsearch/index/analysis/german_normalization_analysis.json").build();


        Index index = new Index("test");


        Injector parentInjector = new ModulesBuilder().add(new SettingsModule(settings),
                new EnvironmentModule(new Environment(settings)),
                new IndicesAnalysisModule())
                .createInjector();


        AnalysisModule analysisModule = new AnalysisModule(settings, parentInjector.getInstance(IndicesAnalysisService.class));
        new AnalysisDecompoundPlugin().onModule(analysisModule);


        Injector injector = new ModulesBuilder().add(
                new IndexSettingsModule(index, settings),
                new IndexNameModule(index),
                analysisModule)
                .createChildInjector(parentInjector);


        return injector.getInstance(AnalysisService.class);
    }

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            ModulesBuilder modules = new ModulesBuilder();
            modules.add(new RiverNameModule(riverName));
            modules.add(new RiverModule(riverName, settings, this.settings, typesRegistry));
            modules.add(new RiversPluginsModule(this.settings, injector.getInstance(PluginsService.class)));


            Injector indexInjector = modules.createChildInjector(injector);
            riversInjectors.put(riverName, indexInjector);
            River river = indexInjector.getInstance(River.class);
            rivers = MapBuilder.newMapBuilder(rivers).put(riverName, river).immutableMap();




            // we need this start so there can be operations done (like creating an index) which can't be
            // done on create since Guice can't create two concurrent child injectors

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Related Classes of org.elasticsearch.common.inject.Injector

io.crate.analyze.AnalysisTest

io.crate.analyze.ReferenceToTrueVisitorTest

io.crate.blob.v2.BlobIndices

io.crate.client.CrateClient

io.crate.operation.aggregation.AggregationCollectorTest

io.crate.operation.collect.DistributingCollectTest

io.crate.operation.collect.LocalDataCollectTest

io.crate.operation.collect.MapSideDataCollectOperation

io.crate.operation.collect.ShardProjectorChainTest

io.crate.operation.ImplementationSymbolVisitorTest

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