javax.inject.Provider.get()方法的使用及代码示例

x33g5p2x  于2022-01-25 转载在 其他  
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本文整理了Java中javax.inject.Provider.get()方法的一些代码示例，展示了Provider.get()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。Provider.get()方法的具体详情如下：
包路径：javax.inject.Provider
类名称：Provider
方法名：get

Provider.get介绍

[英]Provides a fully-constructed and injected instance of T.
[中]提供一个完全构造和注入的T。

代码示例

代码示例来源：origin: org.eclipse.che.core/che-core-api-ssh

@Transactional
protected void doCreate(SshPairImpl entity) {
 EntityManager manager = managerProvider.get();
 manager.persist(entity);
 manager.flush();
}

代码示例来源：origin: org.eclipse.che.core/che-core-api-installer

@Transactional(rollbackOn = {RuntimeException.class, InstallerException.class})
protected void doCreate(InstallerImpl installer) throws InstallerException {
 EntityManager manage = managerProvider.get();
 manage.persist(installer);
 manage.flush();
}

代码示例来源：origin: org.eclipse.che.multiuser/che-multiuser-machine-authentication

@Transactional
protected void doCreate(SignatureKeyPairImpl key) {
 final EntityManager manager = managerProvider.get();
 manager.persist(key);
 manager.flush();
}

代码示例来源：origin: org.eclipse.che.multiuser/che-multiuser-api-resource

@Transactional
protected void doRemove(String id) {
 final EntityManager manager = managerProvider.get();
 final FreeResourcesLimitImpl resourcesLimit = manager.find(FreeResourcesLimitImpl.class, id);
 if (resourcesLimit != null) {
  manager.remove(resourcesLimit);
  manager.flush();
 }
}

代码示例来源：origin: org.eclipse.che.multiuser/che-multiuser-api-resource

@Transactional
protected FreeResourcesLimitImpl doGet(String accountId) {
 return managerProvider
   .get()
   .createNamedQuery("FreeResourcesLimit.get", FreeResourcesLimitImpl.class)
   .setParameter("accountId", accountId)
   .getSingleResult();
}

代码示例来源：origin: org.eclipse.che.multiuser/che-multiuser-machine-authentication

@Transactional
protected void doRemove(String workspaceId) {
 final EntityManager manager = managerProvider.get();
 final SignatureKeyPairImpl keyPair = manager.find(SignatureKeyPairImpl.class, workspaceId);
 if (keyPair != null) {
  manager.remove(keyPair);
  manager.flush();
 }
}

代码示例来源：origin: org.eclipse.che.multiuser/che-multiuser-permission-workspace

@Transactional
protected WorkerImpl doGet(String userId, String instanceId) {
 return managerProvider
   .get()
   .createNamedQuery("Worker.getByUserAndWorkspaceId", WorkerImpl.class)
   .setParameter("workspaceId", instanceId)
   .setParameter("userId", userId)
   .getSingleResult();
}

代码示例来源：origin: org.eclipse.che.multiuser/che-multiuser-permission-workspace

@Transactional
protected StackPermissionsImpl doGet(String userId, String instanceId) {
 if (userId == null) {
  return managerProvider
    .get()
    .createNamedQuery("StackPermissions.getByStackIdPublic", StackPermissionsImpl.class)
    .setParameter("stackId", instanceId)
    .getSingleResult();
 } else {
  return managerProvider
    .get()
    .createNamedQuery("StackPermissions.getByUserAndStackId", StackPermissionsImpl.class)
    .setParameter("stackId", instanceId)
    .setParameter("userId", userId)
    .getSingleResult();
 }
}

代码示例来源：origin: org.eclipse.che.core/che-core-api-installer

@Override
 @Transactional
 public long getTotalCount() throws InstallerException {
  try {
   return managerProvider
     .get()
     .createNamedQuery("Inst.getTotalCount", Long.class)
     .getSingleResult();
  } catch (RuntimeException x) {
   throw new InstallerException(x.getMessage(), x);
  }
 }
}

代码示例来源：origin: org.eclipse.che.core/che-core-api-installer

@Transactional
protected void doRemove(InstallerFqn fqn) {
 final EntityManager manager = managerProvider.get();
 InstallerImpl installer =
   manager
     .createNamedQuery("Inst.getByKey", InstallerImpl.class)
     .setParameter("id", fqn.getId())
     .setParameter("version", fqn.getVersion())
     .getSingleResult();
 manager.remove(installer);
 manager.flush();
}

代码示例来源：origin: org.eclipse.che.core/che-core-api-installer

@Override
@Transactional
public List<String> getVersions(String id) throws InstallerException {
 try {
  return managerProvider
    .get()
    .createNamedQuery("Inst.getAllById", InstallerImpl.class)
    .setParameter("id", id)
    .getResultList()
    .stream()
    .map(InstallerImpl::getVersion)
    .collect(Collectors.toList());
 } catch (RuntimeException x) {
  throw new InstallerException(x.getMessage(), x);
 }
}

代码示例来源：origin: org.eclipse.che.core/che-core-api-ssh

@Transactional
protected void doRemove(String owner, String service, String name) throws NotFoundException {
 EntityManager manager = managerProvider.get();
 SshPairImpl entity =
   manager.find(SshPairImpl.class, new SshPairPrimaryKey(owner, service, name));
 if (entity == null) {
  throw new NotFoundException(
    format("Ssh pair with service '%s' and name '%s' was not found.", service, name));
 }
 manager.remove(entity);
 manager.flush();
}

代码示例来源：origin: org.eclipse.che.core/che-core-api-ssh

@Override
@Transactional
public List<SshPairImpl> get(String owner) throws ServerException {
 requireNonNull(owner, "Required non-null owner");
 try {
  return managerProvider
    .get()
    .createNamedQuery("SshKeyPair.getByOwner", SshPairImpl.class)
    .setParameter("owner", owner)
    .getResultList();
 } catch (RuntimeException x) {
  throw new ServerException(x.getLocalizedMessage(), x);
 }
}

代码示例来源：origin: org.eclipse.che.core/che-core-api-ssh

@Override
@Transactional
public List<SshPairImpl> get(String owner, String service) throws ServerException {
 requireNonNull(owner);
 requireNonNull(service);
 try {
  return managerProvider
    .get()
    .createNamedQuery("SshKeyPair.getByOwnerAndService", SshPairImpl.class)
    .setParameter("owner", owner)
    .setParameter("service", service)
    .getResultList();
 } catch (RuntimeException e) {
  throw new ServerException(e.getLocalizedMessage(), e);
 }
}

代码示例来源：origin: org.eclipse.che.core/che-core-api-workspace

@Transactional
protected void doCreate(WorkspaceImpl workspace) {
 if (workspace.getConfig() != null) {
  workspace.getConfig().getProjects().forEach(ProjectConfigImpl::prePersistAttributes);
 }
 EntityManager manager = managerProvider.get();
 manager.persist(workspace);
 manager.flush();
}

代码示例来源：origin: org.eclipse.che.multiuser/che-multiuser-permission-workspace

@Transactional
protected void doCreate(WorkspaceImpl workspace) {
 if (workspace.getConfig() != null) {
  workspace.getConfig().getProjects().forEach(ProjectConfigImpl::prePersistAttributes);
 }
 EntityManager manager = managerProvider.get();
 manager.persist(workspace);
 manager.flush();
}

代码示例来源：origin: org.eclipse.che.multiuser/che-multiuser-permission-workspace

@Transactional
protected List<StackPermissionsImpl> doGetByUser(@Nullable String userId) throws ServerException {
 try {
  return managerProvider
    .get()
    .createNamedQuery("StackPermissions.getByUserId", StackPermissionsImpl.class)
    .setParameter("userId", userId)
    .getResultList();
 } catch (RuntimeException e) {
  throw new ServerException(e.getLocalizedMessage(), e);
 }
}

代码示例来源：origin: org.eclipse.che.multiuser/che-multiuser-permission-workspace

@Transactional
protected List<WorkerImpl> doGetByUser(@Nullable String userId) throws ServerException {
 try {
  return managerProvider
    .get()
    .createNamedQuery("Worker.getByUserId", WorkerImpl.class)
    .setParameter("userId", userId)
    .getResultList();
 } catch (RuntimeException e) {
  throw new ServerException(e.getLocalizedMessage(), e);
 }
}

代码示例来源：origin: org.eclipse.che.core/che-core-api-workspace

@Transactional(rollbackOn = {RuntimeException.class, ServerException.class})
protected Optional<WorkspaceImpl> doRemove(String id) throws ServerException {
 final WorkspaceImpl workspace = managerProvider.get().find(WorkspaceImpl.class, id);
 if (workspace == null) {
  return Optional.empty();
 }
 final EntityManager manager = managerProvider.get();
 eventService
   .publish(new BeforeWorkspaceRemovedEvent(new WorkspaceImpl(workspace)))
   .propagateException();
 manager.remove(workspace);
 manager.flush();
 return Optional.of(workspace);
}

代码示例来源：origin: org.eclipse.che.multiuser/che-multiuser-permission-workspace

@Transactional(rollbackOn = {RuntimeException.class, ServerException.class})
protected Optional<WorkspaceImpl> doRemove(String id) throws ServerException {
 final WorkspaceImpl workspace = managerProvider.get().find(WorkspaceImpl.class, id);
 if (workspace == null) {
  return Optional.empty();
 }
 final EntityManager manager = managerProvider.get();
 eventService
   .publish(new BeforeWorkspaceRemovedEvent(new WorkspaceImpl(workspace)))
   .propagateException();
 manager.remove(workspace);
 manager.flush();
 return Optional.of(workspace);
}

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