org.apache.hadoop.hbase

Interface InterProcessReadWriteLock

All Known Implementing Classes:

ZKInterProcessReadWriteLock

@InterfaceAudience.Private
public interface InterProcessReadWriteLock

An interface for a distributed reader-writer lock.

Method Summary

Modifier and Type	Method and Description
InterProcessLock	readLock(byte[] metadata) Obtain a read lock containing given metadata.
InterProcessLock	writeLock(byte[] metadata) Obtain a write lock containing given metadata.

Method Detail

readLock

InterProcessLock readLock(byte[] metadata)

Obtain a read lock containing given metadata.

Parameters:

metadata - Serialized lock metadata (this may contain information such as the process owning the lock or the purpose for which the lock was acquired).

Returns:

An instantiated InterProcessLock instance

writeLock

InterProcessLock writeLock(byte[] metadata)

Obtain a write lock containing given metadata.

Parameters:

metadata - Serialized lock metadata (this may contain information such as the process owning the lock or the purpose for which the lock was acquired).

Returns:

An instantiated InterProcessLock instance