| /** |
| * 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.ambari.metrics.core.timeline.function; |
| |
| import org.apache.ambari.metrics.core.timeline.aggregators.Function; |
| |
| public enum SeriesAggregateFunction { |
| AVG, MIN, MAX, SUM; |
| |
| public static boolean isPresent(String functionName) { |
| try { |
| SeriesAggregateFunction.valueOf(functionName.toUpperCase()); |
| } catch (IllegalArgumentException e) { |
| return false; |
| } |
| return true; |
| } |
| |
| public static SeriesAggregateFunction getFunction(String functionName) throws Function.FunctionFormatException { |
| try { |
| return SeriesAggregateFunction.valueOf(functionName.toUpperCase()); |
| } catch (NullPointerException | IllegalArgumentException e) { |
| throw new Function.FunctionFormatException( |
| "Function should be sum, avg, min, max. Got " + functionName, e); |
| } |
| } |
| } |