/** * Copyright (c) 2015-present, Facebook, Inc. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ package com.facebook.react.common; import javax.annotation.Nullable; import com.facebook.infer.annotation.Assertions; /** * Simple class for asserting that operations only run on a single thread. */ public class SingleThreadAsserter { private @Nullable Thread mThread = null; public void assertNow() { Thread current = Thread.currentThread(); if (mThread == null) { mThread = current; } Assertions.assertCondition(mThread == current); } }