2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2016-2018 Ericsson. All rights reserved.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.policy.apex.core.infrastructure.threading;
24 * This class is a helper class for carrying out common threading tasks.
26 * @author Liam Fallon (liam.fallon@ericsson.com)
28 public final class ThreadUtilities {
31 * Private constructor to prevent sub-classing of this class.
33 private ThreadUtilities() {}
36 * Sleeps for the specified number of milliseconds, hiding interrupt handling.
38 * @param milliseconds the milliseconds
39 * @return true, if successful
41 public static boolean sleep(final long milliseconds) {
43 Thread.sleep(milliseconds);
44 } catch (final InterruptedException e) {
45 // restore the interrupt status
46 Thread.currentThread().interrupt();