Package org.apache.bookkeeper.mledger.impl

Class LedgerMetadataUtils

  • public final class LedgerMetadataUtils
extends java.lang.Object
    Utilities for managing BookKeeper Ledgers custom metadata.

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.util.Map<java.lang.String,​byte[]> buildMetadataForCompactedLedger​(java.lang.String compactedTopic, byte[] compactedToMessageId)
      Build additional metadata for a CompactedLedger.
      static java.util.Map<java.lang.String,​byte[]> buildMetadataForSchema​(java.lang.String schemaId)
      Build additional metadata for a Schema

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Method Detail

      • buildMetadataForCompactedLedger

        public static java.util.Map<java.lang.String,​byte[]> buildMetadataForCompactedLedger​(java.lang.String compactedTopic,
                                                                                           byte[] compactedToMessageId)
        Build additional metadata for a CompactedLedger.
        Parameters:
        compactedTopic - reference to the compacted topic.
        compactedToMessageId - last mesasgeId.
        Returns:
        an immutable map which describes the compacted ledger

      • buildMetadataForSchema

        public static java.util.Map<java.lang.String,​byte[]> buildMetadataForSchema​(java.lang.String schemaId)
        Build additional metadata for a Schema
        Parameters:
        schemaId - id of the schema
        Returns:
        an immutable map which describes the schema