@GuardedBy
annotations on static
fields or methods in which the guard is either a non-static field or
this
.
Guarding a static element with a non-static element may result in excessive concurrency, multiple threads may be able to access the guarded field simultaneously by locking in different object contexts.
Example:
private ReadWriteLock lock = new ReentrantReadWriteLock();
@GuardedBy("lock")
public static void bar() {
// ...
}
Supported @GuardedBy
annotations are:
net.jcip.annotations.GuardedBy
javax.annotation.concurrent.GuardedBy
org.apache.http.annotation.GuardedBy
com.android.annotations.concurrency.GuardedBy
androidx.annotation.GuardedBy
com.google.errorprone.annotations.concurrent.GuardedBy