org.apache.hudi.client.transaction.lock

Class ZookeeperBasedImplicitBasePathLockProvider

java.lang.Object

org.apache.hudi.client.transaction.lock.BaseZookeeperBasedLockProvider

org.apache.hudi.client.transaction.lock.ZookeeperBasedImplicitBasePathLockProvider

All Implemented Interfaces:

Serializable, AutoCloseable, Lock, LockProvider<org.apache.curator.framework.recipes.locks.InterProcessMutex>

@NotThreadSafe
public class ZookeeperBasedImplicitBasePathLockProvider
extends BaseZookeeperBasedLockProvider

A zookeeper based lock. This LockProvider implementation allows to lock table operations using zookeeper. Users need to have a Zookeeper cluster deployed to be able to use this lock. This class derives the zookeeper base path from the hudi table base path (hoodie.base.path) and table name (hoodie.table.name), with lock key set to a hard-coded value.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static String	LOCK_KEY

Fields inherited from class org.apache.hudi.client.transaction.lock.BaseZookeeperBasedLockProvider

lockConfiguration, lockKey, zkBasePath

Constructor Summary

Constructors

Constructor and Description
ZookeeperBasedImplicitBasePathLockProvider(LockConfiguration lockConfiguration, StorageConfiguration<?> conf)

Method Summary

Modifier and Type	Method and Description
protected String	generateLogSuffixString()
static String	getLockBasePath(String hudiTableBasePath)
protected String	getLockKey(LockConfiguration lockConfiguration)
protected String	getZkBasePath(LockConfiguration lockConfiguration)

Methods inherited from class org.apache.hudi.client.transaction.lock.BaseZookeeperBasedLockProvider

close, generateLogStatement, getLock, getLockPath, tryLock, unlock

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hudi.common.lock.LockProvider

getCurrentOwnerLockInfo, lock, lockInterruptibly, newCondition, tryLock

Field Detail

LOCK_KEY

public static final String LOCK_KEY

See Also:

Constant Field Values

Constructor Detail

ZookeeperBasedImplicitBasePathLockProvider

public ZookeeperBasedImplicitBasePathLockProvider(LockConfiguration lockConfiguration,
                                                  StorageConfiguration<?> conf)

Method Detail

getLockBasePath

public static String getLockBasePath(String hudiTableBasePath)

getZkBasePath

protected String getZkBasePath(LockConfiguration lockConfiguration)

Specified by:

getZkBasePath in class BaseZookeeperBasedLockProvider

getLockKey

protected String getLockKey(LockConfiguration lockConfiguration)

Specified by:

getLockKey in class BaseZookeeperBasedLockProvider

generateLogSuffixString

protected String generateLogSuffixString()

Overrides:

generateLogSuffixString in class BaseZookeeperBasedLockProvider