| /* |
| 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 org.apache.griffin.measure.datasource |
| |
| import scala.collection.mutable.{SortedSet => MutableSortedSet} |
| |
| import org.apache.griffin.measure.Loggable |
| /** |
| * tmst cache, CRUD of timestamps |
| */ |
| case class TimestampStorage() extends Loggable { |
| |
| private val tmstGroup: MutableSortedSet[Long] = MutableSortedSet.empty[Long] |
| |
| // -- insert tmst into tmst group -- |
| def insert(tmst: Long) : MutableSortedSet[Long] = tmstGroup += tmst |
| def insert(tmsts: Iterable[Long]) : MutableSortedSet[Long] = tmstGroup ++= tmsts |
| |
| // -- remove tmst from tmst group -- |
| def remove(tmst: Long) : MutableSortedSet[Long] = tmstGroup -= tmst |
| def remove(tmsts: Iterable[Long]) : MutableSortedSet[Long] = tmstGroup --= tmsts |
| |
| // -- get subset of tmst group -- |
| def fromUntil(from: Long, until: Long) : Set[Long] = tmstGroup.range(from, until).toSet |
| def afterTil(after: Long, til: Long) : Set[Long] = tmstGroup.range(after + 1, til + 1).toSet |
| def until(until: Long) : Set[Long] = tmstGroup.until(until).toSet |
| def from(from: Long) : Set[Long] = tmstGroup.from(from).toSet |
| def all : Set[Long] = tmstGroup.toSet |
| |
| } |