1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17 package com.android.compatibility.common.util; 18 19 import com.android.tradefed.build.IBuildInfo; 20 21 import java.util.concurrent.ConcurrentHashMap; 22 23 /** 24 * A simple in-memory store for metrics results. This should be used for hostside metrics reporting. 25 */ 26 public class MetricsStore { 27 28 // needs concurrent version as there can be multiple client accessing this. 29 // But there is no additional protection for the same key as that should not happen. 30 private static final ConcurrentHashMap<String, ReportLog> mMap = 31 new ConcurrentHashMap<String, ReportLog>(); 32 33 private static final String START_TIME_TAG = "START_TIME_MS"; 34 35 private MetricsStore() {} 36 37 /** 38 * Stores a result. Existing result with the same key will be replaced. 39 * Note that key is generated in the form of start_time#class#method name. 40 * So there should be no concurrent test for the same (serial, class, method). 41 * @param buildInfo 42 * @param abi 43 * @param classMethodName 44 * @param reportLog Contains the result to be stored 45 */ 46 public static void storeResult(IBuildInfo buildInfo, String abi, String classMethodName, 47 ReportLog reportLog) { 48 String startTime = buildInfo.getBuildAttributes().get(START_TIME_TAG); 49 mMap.put(generateTestKey(startTime, abi, classMethodName), reportLog); 50 } 51 52 /** 53 * retrieves a metric result for the given condition and remove it from the internal 54 * storage. If there is no result for the given condition, it will return null. 55 */ 56 public static ReportLog removeResult(IBuildInfo buildInfo, String abi, String classMethodName) { 57 String startTime = buildInfo.getBuildAttributes().get(START_TIME_TAG); 58 return mMap.remove(generateTestKey(startTime, abi, classMethodName)); 59 } 60 61 /** 62 * @return test key in the form of start_time#abi#class_name#method_name 63 */ 64 private static String generateTestKey(String startTime, String abi, String classMethodName) { 65 return String.format("%s#%s#%s", startTime, abi, classMethodName); 66 } 67 } 68
