Package org.apache.bookkeeper.meta

Class AbstractHierarchicalLedgerManager

java.lang.Object

org.apache.bookkeeper.meta.AbstractZkLedgerManager

org.apache.bookkeeper.meta.AbstractHierarchicalLedgerManager

All Implemented Interfaces:

Closeable, AutoCloseable, LedgerManager, org.apache.zookeeper.Watcher

Direct Known Subclasses:

HierarchicalLedgerManager, LegacyHierarchicalLedgerManager, LongHierarchicalLedgerManager

public abstract class AbstractHierarchicalLedgerManager
extends AbstractZkLedgerManager

An abstract class for managing hierarchical ledgers.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.bookkeeper.meta.AbstractZkLedgerManager

AbstractZkLedgerManager.CancelWatchLedgerMetadataTask, AbstractZkLedgerManager.ReadLedgerMetadataTask

Nested classes/interfaces inherited from interface org.apache.bookkeeper.meta.LedgerManager

LedgerManager.LedgerRange, LedgerManager.LedgerRangeIterator

Nested classes/interfaces inherited from interface org.apache.zookeeper.Watcher

org.apache.zookeeper.Watcher.Event, org.apache.zookeeper.Watcher.WatcherType

Field Summary

Fields inherited from class org.apache.bookkeeper.meta.AbstractZkLedgerManager

conf, ledgerRootPath, listeners, scheduler, zk, ZK_CONNECT_BACKOFF_MS

Constructor Summary

Constructors

Constructor	Description
AbstractHierarchicalLedgerManager(AbstractConfiguration conf, org.apache.zookeeper.ZooKeeper zk)	Constructor.

Method Summary

Modifier and Type	Method	Description
(package private) void	asyncProcessLevelNodes(String path, BookkeeperInternalCallbacks.Processor<String> processor, org.apache.zookeeper.AsyncCallback.VoidCallback finalCb, Object context, int successRc, int failureRc)	Process hash nodes in a given path.
(package private) long	getLedgerId(String... levelNodes)
protected NavigableSet<Long>	ledgerListToSet(List<String> ledgerNodes, String path)	Get all ledger ids in the given zk path.

Methods inherited from class org.apache.bookkeeper.meta.AbstractZkLedgerManager

asyncProcessLedgersInSingleNode, close, createLedgerMetadata, getLedgerId, getLedgerParentNodeRegex, getLedgerPath, isLeadgerIdGeneratorZnode, isLedgerParentNode, isSpecialZnode, process, readLedgerMetadata, readLedgerMetadata, registerLedgerMetadataListener, removeLedgerMetadata, unregisterLedgerMetadataListener, writeLedgerMetadata

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.bookkeeper.meta.LedgerManager

asyncProcessLedgers, getLedgerRanges

Constructor Details

AbstractHierarchicalLedgerManager

public AbstractHierarchicalLedgerManager(AbstractConfiguration conf,
 org.apache.zookeeper.ZooKeeper zk)

Constructor.

Parameters:

conf - Configuration object

zk - ZooKeeper Client Handle

Method Details

asyncProcessLevelNodes

void asyncProcessLevelNodes(String path,
 BookkeeperInternalCallbacks.Processor<String> processor,
 org.apache.zookeeper.AsyncCallback.VoidCallback finalCb,
 Object context,
 int successRc,
 int failureRc)

Process hash nodes in a given path.

getLedgerId

long getLedgerId(String... levelNodes)
          throws IOException

Throws:

IOException

ledgerListToSet

protected NavigableSet<Long> ledgerListToSet(List<String> ledgerNodes,
 String path)

Get all ledger ids in the given zk path.

Overrides:

ledgerListToSet in class AbstractZkLedgerManager

Parameters:

ledgerNodes - List of ledgers in the given path example:- {L1652, L1653, L1650}

path - The zookeeper path of the ledger ids. The path should start with example (with ledgerRootPath = /ledgers):- /ledgers/00/0053

Returns:

ledger id hash set