本文整理了Java中javax.inject.Singleton类的一些代码示例，展示了Singleton类的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Singleton类的具体详情如下：
包路径：javax.inject.Singleton
类名称：Singleton

Singleton介绍

暂无

代码示例

代码示例来源：origin: Netflix/eureka

@Singleton
public static class UpStatusProvider implements Provider<Supplier<Boolean>> {
  @Inject
  private Provider<EurekaUpStatusResolver> upStatus;
  @Override
  public Supplier<Boolean> get() {
    final EurekaUpStatusResolver resolver = upStatus.get();
    return new Supplier<Boolean>() {
      @Override
      public Boolean get() {
        return resolver.getStatus().equals(InstanceInfo.InstanceStatus.UP);
      }
    };
  }
}

代码示例来源：origin: square/dagger

@Singleton
public static class L {
 @Inject @Named("one") F f;
 @Inject Provider<L> lProvider;
}

代码示例来源：origin: jclouds/legacy-jclouds

@Provides
@Singleton
protected Supplier<Map<String, Map<String, Map<String, CatalogItem>>>> provideOrgCatalogItemSupplierCache(
    @Named(PROPERTY_SESSION_INTERVAL) long seconds, AtomicReference<AuthorizationException> authException,
    OrgCatalogItemSupplier supplier) {
 return MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier.create(authException, supplier, seconds,
      TimeUnit.SECONDS);
}

代码示例来源：origin: org.xwiki.platform/xwiki-platform-skin-skinx

/**
 * Skin extension that provides the wrapper on the resource CSS extensions.
 * 
 * @version $Id: 1a90752faf4ae27128a1e0889781c6ffc0634ee4 $
 * @since 1.20
 */
@Component
@Named("ssrx")
@Singleton
public class CssResourceSkinExtension extends AbstractWrapperSkinExtension
{
}

代码示例来源：origin: azkaban/azkaban

@Inject
@Provides
@Singleton
public Configuration createHadoopConfiguration() {
 final String hadoopConfDirPath = requireNonNull(this.props.get(HADOOP_CONF_DIR_PATH));
 final File hadoopConfDir = new File(requireNonNull(hadoopConfDirPath));
 checkArgument(hadoopConfDir.exists() && hadoopConfDir.isDirectory());
 final Configuration hadoopConf = new Configuration(false);
 hadoopConf.addResource(new org.apache.hadoop.fs.Path(hadoopConfDirPath, "core-site.xml"));
 hadoopConf.addResource(new org.apache.hadoop.fs.Path(hadoopConfDirPath, "hdfs-site.xml"));
 hadoopConf.set("fs.hdfs.impl", org.apache.hadoop.hdfs.DistributedFileSystem.class.getName());
 return hadoopConf;
}

代码示例来源：origin: bumptech/glide

@Singleton
@Named("hotViralImages")
@Provides
Observable<List<Image>> provideHotViralImages(ImgurObservables imgurObservables) {
 return imgurObservables.getHotViralImages(5 /*maxPages*/);
}

代码示例来源：origin: prestodb/presto

@Provides
@Singleton
public static ResourceGroupManager<?> getResourceGroupManager(@SuppressWarnings("rawtypes") ResourceGroupManager manager)
{
  return manager;
}

代码示例来源：origin: kairosdb/kairosdb

@Provides @Named(QUEUE_PROCESSOR) @Singleton
public ExecutorService getQueueExecutor()
{
  return Executors.newSingleThreadExecutor(new ThreadFactoryBuilder().setNameFormat("QueueProcessor-%s").build());
}

代码示例来源：origin: com.amysta.jclouds/jclouds-core

@Singleton
public class ReleasePayloadAndReturn implements Function<HttpResponse, Void> {
  @Resource
  protected Logger logger = Logger.NULL;

  public Void apply(HttpResponse from) {
   releasePayload(from);
   return null;
  }
}

代码示例来源：origin: org.xwiki.rendering/xwiki-rendering-syntax-event

@Component
@Named("event/1.0")
@Singleton
public class EventBlockRenderer extends AbstractBlockRenderer
{
  @Inject
  @Named("event/1.0")
  private PrintRendererFactory eventRendererFactory;

  @Override
  protected PrintRendererFactory getPrintRendererFactory()
  {
    return this.eventRendererFactory;
  }
}

代码示例来源：origin: jclouds/legacy-jclouds

@Provides
 @Singleton
 public Supplier<Access> provide() {
   return Suppliers.ofInstance(new ParseRackspaceAccessTest().expected());
 }
}).getInstance(RegionIdToURISupplier.Factory.class);

代码示例来源：origin: jclouds/legacy-jclouds

@Provides
@org.jclouds.trmk.vcloud_0_8.endpoints.Catalog
@Singleton
protected Supplier<ReferenceType> provideDefaultCatalog(DefaultCatalogForOrg defaultCatalogURIForOrg,
   @org.jclouds.trmk.vcloud_0_8.endpoints.Org Supplier<ReferenceType> defaultOrg) {
 return Suppliers.compose(defaultCatalogURIForOrg, defaultOrg);
}

代码示例来源：origin: jclouds/legacy-jclouds

@Provides
@Singleton
public LoadingCache<String, Set<? extends Extension>> provideExtensionsByZone(final javax.inject.Provider<KeystoneApi> keystoneApi) {
 return CacheBuilder.newBuilder().expireAfterWrite(23, TimeUnit.HOURS)
    .build(CacheLoader.from(Suppliers.memoize(new Supplier<Set<? extends Extension>>() {
      @Override
      public Set<? extends Extension> get() {
       return keystoneApi.get().getExtensionApi().list();
      }
    })));
}

代码示例来源：origin: bumptech/glide

/** Specifies Dagger modules for {@link ImgurApplication}. */
@Singleton
@Component(
  modules = {
   AndroidSupportInjectionModule.class,
   MainActivityModule.class,
   ApplicationModule.class,
   ApiModule.class
  })
public interface ImgurApplicationComponent extends AndroidInjector<ImgurApplication> {
  // Empty.
}

代码示例来源：origin: apache/maven

@Named
@Singleton
public class DefaultToolchainsBuilder
  implements ToolchainsBuilder
  @Inject
  private ToolchainsReader toolchainsReader;

代码示例来源：origin: jclouds/legacy-jclouds

@Provides
@Singleton
protected Supplier<Map<URI, ? extends org.jclouds.trmk.vcloud_0_8.domain.VDC>> provideURIToVDC(
   @Named(PROPERTY_SESSION_INTERVAL) long seconds, AtomicReference<AuthorizationException> authException,
   URItoVDC supplier) {
 return MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier.create(authException, supplier, seconds,
      TimeUnit.SECONDS);
}

代码示例来源：origin: org.xwiki.platform/xwiki-platform-skin-skinx

/**
 * Skin extension that provides the wrapper on the file JavaScript extensions.
 * 
 * @version $Id: 5be9a81d51e1feaf3764a90c510c612d4ab3ff69 $
 * @since 1.20
 */
@Component
@Named("jsfx")
@Singleton
public class JsFileSkinExtension extends AbstractWrapperSkinExtension
{
}

代码示例来源：origin: azkaban/azkaban

@Inject
@Provides
@Singleton
public FileSystem createHadoopFileSystem(final Configuration hadoopConf, final HdfsAuth auth) {
 try {
  auth.authorize();
  return FileSystem.get(hadoopConf);
 } catch (final IOException e) {
  log.error("Unable to initialize HDFS", e);
  throw new AzkabanException(e);
 }
}

代码示例来源：origin: spring-projects/spring-framework

@Named("singleton")
@Singleton
public static class SingletonScopedTestBean extends ScopedTestBean {
}

代码示例来源：origin: prestodb/presto

@Provides
@Singleton
public static QueryPerformanceFetcher createQueryPerformanceFetcher(QueryManager queryManager)
{
  return queryManager::getFullQueryInfo;
}