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feat: send attempt and timestamp in headers
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55 changes: 55 additions & 0 deletions
55
.../main/java/com/google/cloud/bigtable/data/v2/stub/ExtraHeadersSeverStreamingCallable.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| /* | ||
| * 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; | ||
|
|
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| import com.google.api.gax.rpc.ApiCallContext; | ||
| import com.google.api.gax.rpc.ResponseObserver; | ||
| import com.google.api.gax.rpc.ServerStreamingCallable; | ||
| import com.google.cloud.bigtable.data.v2.stub.metrics.CompositeTracer; | ||
| import com.google.common.collect.ImmutableMap; | ||
| import java.util.Arrays; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
|
|
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| /** A callable that injects client timestamp and attempt count to request headers. */ | ||
| final class ExtraHeadersSeverStreamingCallable<RequestT, ResponseT> | ||
| extends ServerStreamingCallable<RequestT, ResponseT> { | ||
| private final ServerStreamingCallable innerCallable; | ||
|
|
||
| ExtraHeadersSeverStreamingCallable(ServerStreamingCallable innerCallable) { | ||
| this.innerCallable = innerCallable; | ||
| } | ||
|
|
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| @Override | ||
| public void call( | ||
| RequestT request, | ||
| ResponseObserver<ResponseT> responseObserver, | ||
| ApiCallContext apiCallContext) { | ||
| int attemptCount = -1; | ||
| if (apiCallContext.getTracer() instanceof CompositeTracer) { | ||
| attemptCount = ((CompositeTracer) apiCallContext.getTracer()).getAttempt(); | ||
| } | ||
| Map<String, List<String>> headers = | ||
| ImmutableMap.of( | ||
| EnhancedBigtableStub.ATTEMPT_HEADER_KEY.name(), | ||
| Arrays.asList(String.valueOf(attemptCount)), | ||
| EnhancedBigtableStub.TIMESTAMP_HEADER_KEY.name(), | ||
| Arrays.asList(String.valueOf(System.currentTimeMillis()))); | ||
| ApiCallContext newCallContext = apiCallContext.withExtraHeaders(headers); | ||
| innerCallable.call(request, responseObserver, newCallContext); | ||
| } | ||
| } |
52 changes: 52 additions & 0 deletions
52
...table/src/main/java/com/google/cloud/bigtable/data/v2/stub/ExtraHeadersUnaryCallable.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| /* | ||
| * 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; | ||
|
|
||
| import com.google.api.core.ApiFuture; | ||
| import com.google.api.gax.rpc.ApiCallContext; | ||
| import com.google.api.gax.rpc.UnaryCallable; | ||
| import com.google.cloud.bigtable.data.v2.stub.metrics.CompositeTracer; | ||
| import com.google.common.collect.ImmutableMap; | ||
| import java.util.Arrays; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
|
|
||
| /** A callable that injects client timestamp and attempt count to request headers. */ | ||
| final class ExtraHeadersUnaryCallable<RequestT, ResponseT> | ||
| extends UnaryCallable<RequestT, ResponseT> { | ||
| private final UnaryCallable innerCallable; | ||
|
|
||
| public ExtraHeadersUnaryCallable(UnaryCallable innerCallable) { | ||
| this.innerCallable = innerCallable; | ||
| } | ||
|
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| @Override | ||
| public ApiFuture futureCall(RequestT request, ApiCallContext apiCallContext) { | ||
| int attemptCount = -1; | ||
| if (apiCallContext.getTracer() instanceof CompositeTracer) { | ||
| attemptCount = ((CompositeTracer) apiCallContext.getTracer()).getAttempt(); | ||
| } | ||
| Map<String, List<String>> headers = | ||
| ImmutableMap.of( | ||
| EnhancedBigtableStub.ATTEMPT_HEADER_KEY.name(), | ||
| Arrays.asList(String.valueOf(attemptCount)), | ||
| EnhancedBigtableStub.TIMESTAMP_HEADER_KEY.name(), | ||
| Arrays.asList(String.valueOf(System.currentTimeMillis()))); | ||
| ApiCallContext newCallContext = apiCallContext.withExtraHeaders(headers); | ||
| return innerCallable.futureCall(request, newCallContext); | ||
| } | ||
| } |
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