blob_lease_client.hpp

// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
 
#pragma once
 
#include "azure/storage/blobs/blob_client.hpp"
#include "azure/storage/blobs/blob_container_client.hpp"
 
#include <chrono>
#include <mutex>
#include <string>
 
namespace Azure { namespace Storage { namespace Blobs {
 
  class BlobLeaseClient final {
  public:
    explicit BlobLeaseClient(BlobClient blobClient, std::string leaseId)
        : m_blobClient(std::move(blobClient)), m_leaseId(std::move(leaseId))
    {
    }
 
    explicit BlobLeaseClient(BlobContainerClient blobContainerClient, std::string leaseId)
        : m_blobContainerClient(std::move(blobContainerClient)), m_leaseId(std::move(leaseId))
    {
    }
 
    static std::string CreateUniqueLeaseId();
 
    AZ_STORAGE_BLOBS_DLLEXPORT const static std::chrono::seconds InfiniteLeaseDuration;
 
    std::string GetLeaseId()
    {
      std::lock_guard<std::mutex> guard(m_mutex);
      return m_leaseId;
    }
 
    Azure::Response<Models::AcquireLeaseResult> Acquire(
        std::chrono::seconds duration,
        const AcquireLeaseOptions& options = AcquireLeaseOptions(),
        const Azure::Core::Context& context = Azure::Core::Context());
 
    Azure::Response<Models::RenewLeaseResult> Renew(
        const RenewLeaseOptions& options = RenewLeaseOptions(),
        const Azure::Core::Context& context = Azure::Core::Context());
 
    Azure::Response<Models::ReleaseLeaseResult> Release(
        const ReleaseLeaseOptions& options = ReleaseLeaseOptions(),
        const Azure::Core::Context& context = Azure::Core::Context());
 
    Azure::Response<Models::ChangeLeaseResult> Change(
        const std::string& proposedLeaseId,
        const ChangeLeaseOptions& options = ChangeLeaseOptions(),
        const Azure::Core::Context& context = Azure::Core::Context());
 
    Azure::Response<Models::BreakLeaseResult> Break(
        const BreakLeaseOptions& options = BreakLeaseOptions(),
        const Azure::Core::Context& context = Azure::Core::Context());
 
  private:
    Azure::Nullable<BlobClient> m_blobClient;
    Azure::Nullable<BlobContainerClient> m_blobContainerClient;
    std::mutex m_mutex;
    std::string m_leaseId;
  };
 
}}} // namespace Azure::Storage::Blobs