1 package javax.annotation.concurrent;
2 
3 import java.lang.annotation.Documented;
4 import java.lang.annotation.ElementType;
5 import java.lang.annotation.Retention;
6 import java.lang.annotation.RetentionPolicy;
7 import java.lang.annotation.Target;
8 
9 /**
10  * ThreadSafe
11  *
12  * The class to which this annotation is applied is thread-safe. This means that
13  * no sequences of accesses (reads and writes to public fields, calls to public
14  * methods) may put the object into an invalid state, regardless of the
15  * interleaving of those actions by the runtime, and without requiring any
16  * additional synchronization or coordination on the part of the caller.
17  */
18 @Documented
19 @Target(ElementType.TYPE)
20 @Retention(RetentionPolicy.CLASS)
21 public @interface ThreadSafe {
22 }
23