io.debezium.util

Class FunctionalReadWriteLock

java.lang.Object

io.debezium.util.FunctionalReadWriteLock

public class FunctionalReadWriteLock
extends Object

A form of a read-write lock that has methods that allow lambdas to be performed while the read or write lock is acquired and held.

Author:

Randall Hauch

Field Summary

Fields

Modifier and Type	Field and Description
private ReadWriteLock	lock

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	FunctionalReadWriteLock(ReadWriteLock lock)

Method Summary

Modifier and Type	Method and Description
static FunctionalReadWriteLock	create(ReadWriteLock lock) Create a read-write lock around the given standard ReadWriteLock.
void	read(Runnable operation) Obtain a read lock, perform the operation, and release the lock.
<T> T	read(Supplier<T> operation) Obtain a read lock, perform the operation, and release the read lock.
static FunctionalReadWriteLock	reentrant() Create a read-write lock that supports reentrancy.
void	write(Runnable operation) Obtain an exclusive write lock, perform the operation, and release the lock.
<T> T	write(Supplier<T> operation) Obtain an exclusive write lock, perform the operation, and release the lock.

Methods inherited from class java.lang.Object

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

Field Detail

lock

private final ReadWriteLock lock

Constructor Detail

FunctionalReadWriteLock

protected FunctionalReadWriteLock(ReadWriteLock lock)

Method Detail

reentrant

public static FunctionalReadWriteLock reentrant()

Create a read-write lock that supports reentrancy.

Returns:

the functional read-write lock; never null

create

public static FunctionalReadWriteLock create(ReadWriteLock lock)

Create a read-write lock around the given standard ReadWriteLock.

Parameters:

lock - the standard lock; may not be null

Returns:

the functional read-write lock; never null

read

public <T> T read(Supplier<T> operation)

Obtain a read lock, perform the operation, and release the read lock.

Parameters:

operation - the operation to perform while the read lock is held; may not be null

Returns:

the result of the operation

read

public void read(Runnable operation)

Obtain a read lock, perform the operation, and release the lock.

Parameters:

operation - the operation to perform while the read lock is held; may not be null

write

public <T> T write(Supplier<T> operation)

Obtain an exclusive write lock, perform the operation, and release the lock.

Parameters:

operation - the operation to perform while the write lock is held; may not be null

Returns:

the result of the operation

write

public void write(Runnable operation)

Obtain an exclusive write lock, perform the operation, and release the lock.

Parameters:

operation - the operation to perform while the write lock is held; may not be null