/** * 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) }