| /** |
| * 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 |
| |
| |
| /** |
| * A generic range value with a start and end |
| */ |
| trait Range { |
| /** The first index in the range */ |
| def start: Long |
| /** The total number of indexes in the range */ |
| def size: Long |
| /** Return true iff the range is empty */ |
| def isEmpty: Boolean = size == 0 |
| |
| /** if value is in range */ |
| def contains(value: Long): Boolean = { |
| if( (size == 0 && value == start) || |
| (size > 0 && value >= start && value <= start + size - 1) ) |
| return true |
| else |
| return false |
| } |
| |
| override def toString() = "(start=" + start + ", size=" + size + ")" |
| } |
