You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
64 lines
1.3 KiB
64 lines
1.3 KiB
/*
|
|
* 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{
|
|
|
|
/*Included to make sure infer does not report on class initializers*/
|
|
static Class<?> A = ThreadSafeExample.class;
|
|
|
|
Integer f;
|
|
|
|
public ThreadSafeExample() {
|
|
f = 86;
|
|
}
|
|
|
|
public void tsOK() {
|
|
synchronized (this) {
|
|
f = 42;
|
|
}
|
|
}
|
|
|
|
public void tsBad() {
|
|
f = 24;
|
|
}
|
|
|
|
}
|
|
|
|
class ExtendsThreadSafeExample extends ThreadSafeExample{
|
|
|
|
Integer field;
|
|
|
|
/* Presently,we will warn not just on overwridden methods from
|
|
@ThreadSafe class, but potentially on other methods in subclass */
|
|
public void newmethodBad() {
|
|
field = 22;
|
|
}
|
|
|
|
/* Bad now that it's overridden */
|
|
public void tsOK() {
|
|
field = 44;
|
|
}
|
|
|
|
}
|