1 /* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 package ohos.devtools.views.trace.metrics.strategy; 17 18 import ohos.devtools.views.trace.metrics.MetricsSql; 19 20 import java.util.HashMap; 21 import java.util.Map; 22 23 /** 24 * MetadataStrategy 25 * 26 * @since 2021/5/19 16:39 27 */ 28 public class MetricsFactory { 29 private static final MetricsFactory FACTORY = new MetricsFactory(); 30 31 private final Map<MetricsSql, Strategy> strategyMap = new HashMap<>(); 32 MetricsFactory()33 private MetricsFactory() { 34 strategyMap.put(MetricsSql.TRACE_METADATA, new MetadataStrategy()); 35 strategyMap.put(MetricsSql.TRACE_CPU, new CpuStrategy()); 36 strategyMap.put(MetricsSql.TRACE_CPU_TOP10, new CpuStrategy()); 37 strategyMap.put(MetricsSql.TRACE_TASK_NAMES, new TraceTaskStrategy()); 38 strategyMap.put(MetricsSql.TRACE_STATS, new TraceStatsStrategy()); 39 strategyMap.put(MetricsSql.TRACE_MEM, new MemStrategy()); 40 strategyMap.put(MetricsSql.TRACE_MEM_TOP10, new MemStrategy()); 41 strategyMap.put(MetricsSql.TRACE_MEM_UNAGG, new MemAggStrategy()); 42 strategyMap.put(MetricsSql.DISTRIBUTED_TERM, new DistributeTermStrategy()); 43 strategyMap.put(MetricsSql.SYS_CALLS_TOP10, new SysCallsTopStrategy()); 44 strategyMap.put(MetricsSql.SYS_CALLS, new SysCallsStrategy()); 45 } 46 47 /** 48 * Get singleton 49 * 50 * @return MetricsFactory MetricsFactory 51 */ getInstance()52 public static MetricsFactory getInstance() { 53 return FACTORY; 54 } 55 56 /** 57 * Get Strategy 58 * 59 * @param sql sql 60 * @return Strategy Strategy 61 */ getStrategy(MetricsSql sql)62 public Strategy getStrategy(MetricsSql sql) { 63 return strategyMap.get(sql); 64 } 65 } 66