Examples with Provides com.google.inject.Provides used on opensource projects

Example 16 with Provides

use of com.google.inject.Provides in project presto by prestodb.

the class RaptorModule method createDBI.

@ForMetadata
@Singleton
@Provides
public IDBI createDBI(@ForMetadata ConnectionFactory connectionFactory, TypeManager typeManager) {
    DBI dbi = new DBI(connectionFactory);
    dbi.registerMapper(new TableColumn.Mapper(typeManager));
    dbi.registerMapper(new Distribution.Mapper(typeManager));
    createTablesWithRetry(dbi);
    return dbi;
}

Example 17 with Provides

use of com.google.inject.Provides in project presto by prestodb.

the class CassandraClientModule method createCassandraSession.

@Singleton
@Provides
public static CassandraSession createCassandraSession(CassandraConnectorId connectorId, CassandraClientConfig config, JsonCodec<List<ExtraColumnMetadata>> extraColumnMetadataCodec) {
    requireNonNull(config, "config is null");
    requireNonNull(extraColumnMetadataCodec, "extraColumnMetadataCodec is null");
    Cluster.Builder clusterBuilder = Cluster.builder().withProtocolVersion(ProtocolVersion.V3);
    List<String> contactPoints = requireNonNull(config.getContactPoints(), "contactPoints is null");
    checkArgument(!contactPoints.isEmpty(), "empty contactPoints");
    contactPoints.forEach(clusterBuilder::addContactPoint);
    clusterBuilder.withPort(config.getNativeProtocolPort());
    clusterBuilder.withReconnectionPolicy(new ExponentialReconnectionPolicy(500, 10000));
    clusterBuilder.withRetryPolicy(config.getRetryPolicy().getPolicy());
    LoadBalancingPolicy loadPolicy = new RoundRobinPolicy();
    if (config.isUseDCAware()) {
        requireNonNull(config.getDcAwareLocalDC(), "DCAwarePolicy localDC is null");
        DCAwareRoundRobinPolicy.Builder builder = DCAwareRoundRobinPolicy.builder().withLocalDc(config.getDcAwareLocalDC());
        if (config.getDcAwareUsedHostsPerRemoteDc() > 0) {
            builder.withUsedHostsPerRemoteDc(config.getDcAwareUsedHostsPerRemoteDc());
            if (config.isDcAwareAllowRemoteDCsForLocal()) {
                builder.allowRemoteDCsForLocalConsistencyLevel();
            }
        }
        loadPolicy = builder.build();
    }
    if (config.isUseTokenAware()) {
        loadPolicy = new TokenAwarePolicy(loadPolicy, config.isTokenAwareShuffleReplicas());
    }
    if (config.isUseWhiteList()) {
        checkArgument(!config.getWhiteListAddresses().isEmpty(), "empty WhiteListAddresses");
        List<InetSocketAddress> whiteList = new ArrayList<>();
        for (String point : config.getWhiteListAddresses()) {
            whiteList.add(new InetSocketAddress(point, config.getNativeProtocolPort()));
        }
        loadPolicy = new WhiteListPolicy(loadPolicy, whiteList);
    }
    clusterBuilder.withLoadBalancingPolicy(loadPolicy);
    SocketOptions socketOptions = new SocketOptions();
    socketOptions.setReadTimeoutMillis(toIntExact(config.getClientReadTimeout().toMillis()));
    socketOptions.setConnectTimeoutMillis(toIntExact(config.getClientConnectTimeout().toMillis()));
    if (config.getClientSoLinger() != null) {
        socketOptions.setSoLinger(config.getClientSoLinger());
    }
    clusterBuilder.withSocketOptions(socketOptions);
    if (config.getUsername() != null && config.getPassword() != null) {
        clusterBuilder.withCredentials(config.getUsername(), config.getPassword());
    }
    QueryOptions options = new QueryOptions();
    options.setFetchSize(config.getFetchSize());
    options.setConsistencyLevel(config.getConsistencyLevel());
    clusterBuilder.withQueryOptions(options);
    if (config.getSpeculativeExecutionLimit() > 1) {
        clusterBuilder.withSpeculativeExecutionPolicy(new ConstantSpeculativeExecutionPolicy(// delay before a new execution is launched
        config.getSpeculativeExecutionDelay().toMillis(), // maximum number of executions
        config.getSpeculativeExecutionLimit()));
    }
    return new NativeCassandraSession(connectorId.toString(), extraColumnMetadataCodec, clusterBuilder.build(), config.getNoHostAvailableRetryTimeout());
}

Example 18 with Provides

use of com.google.inject.Provides in project roboguice by roboguice.

the class MiniGuiceTest method testSingletonsAreEager.

public void testSingletonsAreEager() {
    final AtomicBoolean sInjected = new AtomicBoolean();
    R.injected = false;
    MiniGuice.inject(A.class, new Object() {

        @Provides
        F provideF(R r) {
            return new F();
        }

        @Provides
        @Singleton
        S provideS() {
            sInjected.set(true);
            return new S();
        }
    });
    assertTrue(R.injected);
    assertTrue(sInjected.get());
}

Example 19 with Provides

use of com.google.inject.Provides in project roboguice by roboguice.

the class ServletTest method testScopeExceptions.

public void testScopeExceptions() throws Exception {
    Injector injector = Guice.createInjector(new AbstractModule() {

        @Override
        protected void configure() {
            install(new ServletModule());
        }

        @Provides
        @RequestScoped
        String provideString() {
            return "foo";
        }

        @Provides
        @SessionScoped
        Integer provideInteger() {
            return 1;
        }

        @Provides
        @RequestScoped
        @Named("foo")
        String provideNamedString() {
            return "foo";
        }
    });
    try {
        injector.getInstance(String.class);
        fail();
    } catch (ProvisionException oose) {
        assertContains(oose.getMessage(), "Cannot access scoped [java.lang.String].");
    }
    try {
        injector.getInstance(Integer.class);
        fail();
    } catch (ProvisionException oose) {
        assertContains(oose.getMessage(), "Cannot access scoped [java.lang.Integer].");
    }
    Key<?> key = Key.get(String.class, Names.named("foo"));
    try {
        injector.getInstance(key);
        fail();
    } catch (ProvisionException oose) {
        assertContains(oose.getMessage(), "Cannot access scoped [" + Errors.convert(key) + "]");
    }
}

Example 20 with Provides

use of com.google.inject.Provides in project roboguice by roboguice.

the class Struts2FactoryTest method testStruts2Factory.

public void testStruts2Factory() {
    Struts2Factory s2Factory = new Struts2Factory();
    TestListener testListener = new TestListener(new AbstractModule() {

        @Override
        protected void configure() {
        }

        @Provides
        @SuppressWarnings("unused")
        Date provideDate() {
            return TODAY;
        }
    });
    assertEquals(TODAY, testListener.getInjector().getInstance(Date.class));
    assertEquals(TODAY, s2Factory.buildBean(Date.class, null));
}