|
| 1 | +/* |
| 2 | + * Copyright 2024 Google LLC |
| 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.google.cloud.spanner; |
| 18 | + |
| 19 | +import com.google.api.core.InternalApi; |
| 20 | +import com.google.api.gax.tracing.ApiTracer; |
| 21 | +import com.google.api.gax.tracing.BaseApiTracer; |
| 22 | +import com.google.api.gax.tracing.MetricsTracer; |
| 23 | +import com.google.common.collect.ImmutableList; |
| 24 | +import java.util.ArrayList; |
| 25 | +import java.util.List; |
| 26 | +import org.threeten.bp.Duration; |
| 27 | + |
| 28 | +@InternalApi |
| 29 | +public class CompositeTracer extends BaseApiTracer { |
| 30 | + private final List<ApiTracer> children; |
| 31 | + |
| 32 | + public CompositeTracer(List<ApiTracer> children) { |
| 33 | + this.children = ImmutableList.copyOf(children); |
| 34 | + } |
| 35 | + |
| 36 | + @Override |
| 37 | + public Scope inScope() { |
| 38 | + final List<Scope> childScopes = new ArrayList<>(children.size()); |
| 39 | + |
| 40 | + for (ApiTracer child : children) { |
| 41 | + childScopes.add(child.inScope()); |
| 42 | + } |
| 43 | + |
| 44 | + return new Scope() { |
| 45 | + @Override |
| 46 | + public void close() { |
| 47 | + for (Scope childScope : childScopes) { |
| 48 | + childScope.close(); |
| 49 | + } |
| 50 | + } |
| 51 | + }; |
| 52 | + } |
| 53 | + |
| 54 | + @Override |
| 55 | + public void operationSucceeded() { |
| 56 | + for (ApiTracer child : children) { |
| 57 | + child.operationSucceeded(); |
| 58 | + } |
| 59 | + } |
| 60 | + |
| 61 | + @Override |
| 62 | + public void operationCancelled() { |
| 63 | + for (ApiTracer child : children) { |
| 64 | + child.operationCancelled(); |
| 65 | + } |
| 66 | + } |
| 67 | + |
| 68 | + @Override |
| 69 | + public void operationFailed(Throwable error) { |
| 70 | + for (ApiTracer child : children) { |
| 71 | + child.operationFailed(error); |
| 72 | + } |
| 73 | + } |
| 74 | + |
| 75 | + @Override |
| 76 | + public void connectionSelected(String id) { |
| 77 | + for (ApiTracer child : children) { |
| 78 | + child.connectionSelected(id); |
| 79 | + } |
| 80 | + } |
| 81 | + |
| 82 | + @Override |
| 83 | + public void attemptStarted(int attemptNumber) { |
| 84 | + for (ApiTracer child : children) { |
| 85 | + child.attemptStarted(null, attemptNumber); |
| 86 | + } |
| 87 | + } |
| 88 | + |
| 89 | + @Override |
| 90 | + public void attemptStarted(Object request, int attemptNumber) { |
| 91 | + for (ApiTracer child : children) { |
| 92 | + child.attemptStarted(request, attemptNumber); |
| 93 | + } |
| 94 | + } |
| 95 | + |
| 96 | + @Override |
| 97 | + public void attemptSucceeded() { |
| 98 | + for (ApiTracer child : children) { |
| 99 | + child.attemptSucceeded(); |
| 100 | + } |
| 101 | + } |
| 102 | + |
| 103 | + @Override |
| 104 | + public void attemptCancelled() { |
| 105 | + for (ApiTracer child : children) { |
| 106 | + child.attemptCancelled(); |
| 107 | + } |
| 108 | + } |
| 109 | + |
| 110 | + @Override |
| 111 | + public void attemptFailed(Throwable error, Duration delay) { |
| 112 | + for (ApiTracer child : children) { |
| 113 | + child.attemptFailed(error, delay); |
| 114 | + } |
| 115 | + } |
| 116 | + |
| 117 | + @Override |
| 118 | + public void attemptFailedRetriesExhausted(Throwable error) { |
| 119 | + for (ApiTracer child : children) { |
| 120 | + child.attemptFailedRetriesExhausted(error); |
| 121 | + } |
| 122 | + } |
| 123 | + |
| 124 | + @Override |
| 125 | + public void attemptPermanentFailure(Throwable error) { |
| 126 | + for (ApiTracer child : children) { |
| 127 | + child.attemptPermanentFailure(error); |
| 128 | + } |
| 129 | + } |
| 130 | + |
| 131 | + @Override |
| 132 | + public void lroStartFailed(Throwable error) { |
| 133 | + for (ApiTracer child : children) { |
| 134 | + child.lroStartFailed(error); |
| 135 | + } |
| 136 | + } |
| 137 | + |
| 138 | + @Override |
| 139 | + public void lroStartSucceeded() { |
| 140 | + for (ApiTracer child : children) { |
| 141 | + child.lroStartSucceeded(); |
| 142 | + } |
| 143 | + } |
| 144 | + |
| 145 | + @Override |
| 146 | + public void responseReceived() { |
| 147 | + for (ApiTracer child : children) { |
| 148 | + child.responseReceived(); |
| 149 | + } |
| 150 | + } |
| 151 | + |
| 152 | + @Override |
| 153 | + public void requestSent() { |
| 154 | + for (ApiTracer child : children) { |
| 155 | + child.requestSent(); |
| 156 | + } |
| 157 | + } |
| 158 | + |
| 159 | + @Override |
| 160 | + public void batchRequestSent(long elementCount, long requestSize) { |
| 161 | + for (ApiTracer child : children) { |
| 162 | + child.batchRequestSent(elementCount, requestSize); |
| 163 | + } |
| 164 | + } |
| 165 | + |
| 166 | + public void addAttributes(String key, String value) { |
| 167 | + for (ApiTracer child : children) { |
| 168 | + if (child instanceof MetricsTracer) { |
| 169 | + MetricsTracer metricsTracer = (MetricsTracer) child; |
| 170 | + metricsTracer.addAttributes(key, value); |
| 171 | + } |
| 172 | + } |
| 173 | + }; |
| 174 | +} |
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