/*
 * Copyright (c) 2016 - present Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 */

package codetoanalyze.java.checkers;

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;

@Documented
@Target(ElementType.TYPE)
@Retention(RetentionPolicy.CLASS)
@interface ThreadSafe {
}

@ThreadSafe
public class ThreadSafeExample{

  Integer f;

  public void tsOK() {
    synchronized (this) {
      f = 42;
    }
  }

  public void tsBad() {
    f = 24;
  }

}