/
CompositeTracer.java
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/
CompositeTracer.java
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/*
* Copyright 2021 Google LLC
*
* Licensed 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
*
* https://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 com.google.cloud.bigtable.data.v2.stub.metrics;
import com.google.api.gax.tracing.ApiTracer;
import com.google.common.collect.ImmutableList;
import java.util.ArrayList;
import java.util.List;
import javax.annotation.Nullable;
import org.threeten.bp.Duration;
/**
* Combines multiple {@link ApiTracer}s and {@link BigtableTracer}s into a single {@link ApiTracer}.
*/
class CompositeTracer extends BigtableTracer {
private final List<ApiTracer> children;
private final List<BigtableTracer> bigtableTracers;
private volatile int attempt;
CompositeTracer(List<ApiTracer> children) {
ImmutableList.Builder<ApiTracer> childrenBuilder = ImmutableList.builder();
ImmutableList.Builder<BigtableTracer> bigtableTracerBuilder = ImmutableList.builder();
for (ApiTracer child : children) {
if (child instanceof BigtableTracer) {
bigtableTracerBuilder.add((BigtableTracer) child);
}
childrenBuilder.add(child);
}
this.children = childrenBuilder.build();
this.bigtableTracers = bigtableTracerBuilder.build();
}
@Override
public Scope inScope() {
final List<Scope> childScopes = new ArrayList<>(children.size());
for (ApiTracer child : children) {
childScopes.add(child.inScope());
}
return new Scope() {
@Override
public void close() {
for (Scope childScope : childScopes) {
childScope.close();
}
}
};
}
@Override
public void operationSucceeded() {
for (ApiTracer child : children) {
child.operationSucceeded();
}
}
@Override
public void operationCancelled() {
for (ApiTracer child : children) {
child.operationCancelled();
}
}
@Override
public void operationFailed(Throwable error) {
for (ApiTracer child : children) {
child.operationFailed(error);
}
}
@Override
public void connectionSelected(String id) {
for (ApiTracer child : children) {
child.connectionSelected(id);
}
}
@Override
public void attemptStarted(int attemptNumber) {
this.attempt = attemptNumber;
for (ApiTracer child : children) {
child.attemptStarted(attemptNumber);
}
}
@Override
public void attemptSucceeded() {
for (ApiTracer child : children) {
child.attemptSucceeded();
}
}
@Override
public void attemptCancelled() {
for (ApiTracer child : children) {
child.attemptCancelled();
}
}
public void attemptFailed(Throwable error, Duration delay) {
for (ApiTracer child : children) {
child.attemptFailed(error, delay);
}
}
@Override
public void attemptFailedRetriesExhausted(Throwable error) {
for (ApiTracer child : children) {
child.attemptFailedRetriesExhausted(error);
}
}
@Override
public void attemptPermanentFailure(Throwable error) {
for (ApiTracer child : children) {
child.attemptPermanentFailure(error);
}
}
@Override
public void lroStartFailed(Throwable error) {
for (ApiTracer child : children) {
child.lroStartFailed(error);
}
}
@Override
public void lroStartSucceeded() {
for (ApiTracer child : children) {
child.lroStartSucceeded();
}
}
@Override
public void responseReceived() {
for (ApiTracer child : children) {
child.responseReceived();
}
}
@Override
public void requestSent() {
for (ApiTracer child : children) {
child.requestSent();
}
}
@Override
public void batchRequestSent(long elementCount, long requestSize) {
for (ApiTracer child : children) {
child.batchRequestSent(elementCount, requestSize);
}
}
@Override
public int getAttempt() {
return attempt;
}
@Override
public void recordGfeMetadata(@Nullable Long latency, @Nullable Throwable throwable) {
for (BigtableTracer tracer : bigtableTracers) {
tracer.recordGfeMetadata(latency, throwable);
}
}
}