package javax.annotation.concurrent; import java.lang.annotation.Documented; import java.lang.annotation.ElementType; import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; import java.lang.annotation.Target; /** * ThreadSafe * * The class to which this annotation is applied is thread-safe. This means that * no sequences of accesses (reads and writes to public fields, calls to public * methods) may put the object into an invalid state, regardless of the * interleaving of those actions by the runtime, and without requiring any * additional synchronization or coordination on the part of the caller. */ @Documented @Target(ElementType.TYPE) @Retention(RetentionPolicy.CLASS) public @interface ThreadSafe { }