| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package kafka.utils |
| |
| /** |
| * Some common constants |
| */ |
| object Time { |
| val NsPerUs = 1000 |
| val UsPerMs = 1000 |
| val MsPerSec = 1000 |
| val NsPerMs = NsPerUs * UsPerMs |
| val NsPerSec = NsPerMs * MsPerSec |
| val UsPerSec = UsPerMs * MsPerSec |
| val SecsPerMin = 60 |
| val MinsPerHour = 60 |
| val HoursPerDay = 24 |
| val SecsPerHour = SecsPerMin * MinsPerHour |
| val SecsPerDay = SecsPerHour * HoursPerDay |
| val MinsPerDay = MinsPerHour * HoursPerDay |
| } |
| |
| /** |
| * A mockable interface for time functions |
| */ |
| trait Time { |
| |
| def milliseconds: Long |
| |
| def nanoseconds: Long |
| |
| def sleep(ms: Long) |
| } |
| |
| /** |
| * The normal system implementation of time functions |
| */ |
| object SystemTime extends Time { |
| |
| def milliseconds: Long = System.currentTimeMillis |
| |
| def nanoseconds: Long = System.nanoTime |
| |
| def sleep(ms: Long): Unit = Thread.sleep(ms) |
| |
| } |
