程序包 org.apache.bookkeeper.mledger.impl

类 LedgerMetadataUtils

java.lang.Object

org.apache.bookkeeper.mledger.impl.LedgerMetadataUtils

public final class LedgerMetadataUtils
extends Object

Utilities for managing BookKeeper Ledgers custom metadata.

方法概要

修饰符和类型	方法	说明
static Map<String,byte[]>	buildMetadataForCompactedLedger(String compactedTopic, byte[] compactedToMessageId)	Build additional metadata for a CompactedLedger.
static Map<String,byte[]>	buildMetadataForSchema(String schemaId)	Build additional metadata for a Schema.

从类继承的方法 java.lang.Object

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

方法详细资料

buildMetadataForCompactedLedger

public static Map<String,byte[]> buildMetadataForCompactedLedger(String compactedTopic,
 byte[] compactedToMessageId)

Build additional metadata for a CompactedLedger.

参数:

compactedTopic - reference to the compacted topic.

compactedToMessageId - last mesasgeId.

返回:

an immutable map which describes the compacted ledger

buildMetadataForSchema

public static Map<String,byte[]> buildMetadataForSchema(String schemaId)

Build additional metadata for a Schema.

参数:

schemaId - id of the schema

返回:

an immutable map which describes the schema