| /* |
| * 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.lucene.sandbox.search; |
| |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Objects; |
| |
| /** |
| * This class is the internal representation of a profiled Query, corresponding to a single node in |
| * the query tree. It is built after the query has finished executing and is merely a structured |
| * representation, rather than the entity that collects the timing profile. |
| * |
| * <p>Each QueryProfilerResult has a List of QueryProfilerResult, which will contain "children" |
| * queries if applicable |
| */ |
| public class QueryProfilerResult { |
| |
| private final String type; |
| private final String description; |
| private final Map<String, Long> breakdown; |
| private final long totalTime; |
| private final List<QueryProfilerResult> children; |
| |
| public QueryProfilerResult( |
| String type, |
| String description, |
| Map<String, Long> breakdown, |
| long totalTime, |
| List<QueryProfilerResult> children) { |
| this.type = type; |
| this.description = description; |
| this.breakdown = Objects.requireNonNull(breakdown, "required breakdown argument missing"); |
| this.children = children == null ? Collections.emptyList() : children; |
| this.totalTime = totalTime; |
| } |
| |
| /** Retrieve the lucene description of this query (e.g. the "explain" text) */ |
| public String getDescription() { |
| return description; |
| } |
| |
| /** Retrieve the name of the entry (e.g. "TermQuery" or "LongTermsAggregator") */ |
| public String getQueryName() { |
| return type; |
| } |
| |
| /** The timing breakdown for this node. */ |
| public Map<String, Long> getTimeBreakdown() { |
| return Collections.unmodifiableMap(breakdown); |
| } |
| |
| /** |
| * Returns the total time (inclusive of children) for this query node. |
| * |
| * @return elapsed time in nanoseconds |
| */ |
| public long getTotalTime() { |
| return totalTime; |
| } |
| |
| /** Returns a list of all profiled children queries */ |
| public List<QueryProfilerResult> getProfiledChildren() { |
| return Collections.unmodifiableList(children); |
| } |
| } |