程序包 org.apache.bookkeeper.mledger

接口 LedgerOffloaderFactory<T extends LedgerOffloader>

@LimitedPrivate @Evolving public interface LedgerOffloaderFactory<T extends LedgerOffloader>
Factory to create LedgerOffloader to offload ledgers into long-term storage.

  • 方法概要

    修饰符和类型
    方法
    说明
    T
    create(org.apache.pulsar.common.policies.data.OffloadPoliciesImpl offloadPolicies, Map<String,String> userMetadata, org.apache.bookkeeper.common.util.OrderedScheduler scheduler)
    Create a ledger offloader with the provided configuration, user-metadata and scheduler.
    default T
    create(org.apache.pulsar.common.policies.data.OffloadPoliciesImpl offloadPolicies, Map<String,String> userMetadata, org.apache.pulsar.common.protocol.schema.SchemaStorage schemaStorage, org.apache.bookkeeper.common.util.OrderedScheduler scheduler)
    Create a ledger offloader with the provided configuration, user-metadata, schema storage and scheduler.
    boolean
    isDriverSupported(String driverName)
    Check whether the provided driver driverName is supported.

  • 方法详细资料

    • isDriverSupported

      boolean isDriverSupported(String driverName)
      Check whether the provided driver driverName is supported.
      参数:
      driverName - offloader driver name
      返回:
      true if the driver is supported, otherwise false.

    • create

      T create(org.apache.pulsar.common.policies.data.OffloadPoliciesImpl offloadPolicies, Map<String,String> userMetadata, org.apache.bookkeeper.common.util.OrderedScheduler scheduler) throws IOException
      Create a ledger offloader with the provided configuration, user-metadata and scheduler.
      参数:
      offloadPolicies - offload policies
      userMetadata - user metadata
      scheduler - scheduler
      返回:
      the offloader instance
      抛出:
      IOException - when fail to create an offloader

    • create

      default T create(org.apache.pulsar.common.policies.data.OffloadPoliciesImpl offloadPolicies, Map<String,String> userMetadata, org.apache.pulsar.common.protocol.schema.SchemaStorage schemaStorage, org.apache.bookkeeper.common.util.OrderedScheduler scheduler) throws IOException
      Create a ledger offloader with the provided configuration, user-metadata, schema storage and scheduler.
      参数:
      offloadPolicies - offload policies
      userMetadata - user metadata
      schemaStorage - used for schema lookup in offloader
      scheduler - scheduler
      返回:
      the offloader instance
      抛出:
      IOException - when fail to create an offloader