| /* |
| * 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.skywalking.oap.server.core.query; |
| |
| import java.util.List; |
| import java.util.Optional; |
| import java.util.stream.Collectors; |
| import org.apache.skywalking.oap.server.library.util.StringUtil; |
| import org.apache.skywalking.oap.server.core.query.enumeration.MetricsType; |
| import org.apache.skywalking.oap.server.core.source.DefaultScopeDefine; |
| import org.apache.skywalking.oap.server.core.storage.annotation.ValueColumnMetadata; |
| import org.apache.skywalking.oap.server.library.module.Service; |
| |
| /** |
| * MetricsMetadataQueryService provides the metadata of metrics to other modules. |
| */ |
| public class MetricsMetadataQueryService implements Service { |
| public MetricsType typeOfMetrics(String metricsName) { |
| final Optional<ValueColumnMetadata.ValueColumn> valueColumn |
| = ValueColumnMetadata.INSTANCE.readValueColumnDefinition(metricsName); |
| if (valueColumn.isPresent()) { |
| switch (valueColumn.get().getDataType()) { |
| case COMMON_VALUE: |
| return MetricsType.REGULAR_VALUE; |
| case LABELED_VALUE: |
| return MetricsType.LABELED_VALUE; |
| case HISTOGRAM: |
| return MetricsType.HEATMAP; |
| case SAMPLED_RECORD: |
| return MetricsType.SAMPLED_RECORD; |
| case NOT_VALUE: |
| default: |
| return MetricsType.UNKNOWN; |
| } |
| } else { |
| return MetricsType.UNKNOWN; |
| } |
| } |
| |
| public List<MetricDefinition> listMetrics(String regex) { |
| return ValueColumnMetadata.INSTANCE.getAllMetadata() |
| .entrySet() |
| .stream() |
| .filter( |
| metadata -> |
| StringUtil.isNotEmpty(regex) ? |
| metadata.getKey().matches(regex) : true) |
| .map(metadata -> new MetricDefinition( |
| metadata.getKey(), |
| typeOfMetrics(metadata.getKey()), |
| DefaultScopeDefine.catalogOf(metadata.getValue().getScopeId()) |
| ) |
| ) |
| .collect(Collectors.toList()); |
| } |
| } |