com.asakusafw.runtime.util.lock

Interface LockProvider<T>

Type Parameters:

T - the target type

All Known Implementing Classes:

LocalFileLockProvider

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface LockProvider<T>

An abstract super interface of LockObject provider.

Since:

0.7.0

Method Summary

Modifier and Type	Method and Description
LockObject<T>	tryLock(T target) Tries to acquire lock for the target.

Method Detail

tryLock

LockObject<T> tryLock(T target)
               throws IOException

Tries to acquire lock for the target.

Parameters:

target - the lock target

Returns:

the lock object, or null if other program has a lock for the same target

Throws:

IOException - if failed to acquire lock by I/O exception