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Implement OIDC auth for async (#1131)
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26 changes: 26 additions & 0 deletions
26
driver-core/src/main/com/mongodb/internal/async/AsyncConsumer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| /* | ||
| * Copyright 2008-present MongoDB, Inc. | ||
| * | ||
| * 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 | ||
| * | ||
| * 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. | ||
| */ | ||
|
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| package com.mongodb.internal.async; | ||
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| /** | ||
| * See tests for usage (AsyncFunctionsTest). | ||
| * <p> | ||
| * This class is not part of the public API and may be removed or changed at any time | ||
| */ | ||
| @FunctionalInterface | ||
| public interface AsyncConsumer<T> extends AsyncFunction<T, Void> { | ||
| } |
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33
driver-core/src/main/com/mongodb/internal/async/AsyncFunction.java
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| /* | ||
| * Copyright 2008-present MongoDB, Inc. | ||
| * | ||
| * 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 | ||
| * | ||
| * 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. | ||
| */ | ||
|
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| package com.mongodb.internal.async; | ||
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| import com.mongodb.lang.Nullable; | ||
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| /** | ||
| * See tests for usage (AsyncFunctionsTest). | ||
| * <p> | ||
| * This class is not part of the public API and may be removed or changed at any time | ||
| */ | ||
| @FunctionalInterface | ||
| public interface AsyncFunction<T, R> { | ||
| /** | ||
| * This should not be called externally, but should be implemented as a | ||
| * lambda. To "finish" an async chain, use one of the "finish" methods. | ||
| */ | ||
| void unsafeFinish(@Nullable T value, SingleResultCallback<R> callback); | ||
| } |
158 changes: 158 additions & 0 deletions
158
driver-core/src/main/com/mongodb/internal/async/AsyncRunnable.java
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| /* | ||
| * Copyright 2008-present MongoDB, Inc. | ||
| * | ||
| * 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 | ||
| * | ||
| * 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. | ||
| */ | ||
|
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| package com.mongodb.internal.async; | ||
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| import com.mongodb.internal.async.function.RetryState; | ||
| import com.mongodb.internal.async.function.RetryingAsyncCallbackSupplier; | ||
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| import java.util.function.Predicate; | ||
| import java.util.function.Supplier; | ||
|
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| /** | ||
| * See tests for usage (AsyncFunctionsTest). | ||
| * <p> | ||
| * This class is not part of the public API and may be removed or changed at any time | ||
| */ | ||
| @FunctionalInterface | ||
| public interface AsyncRunnable extends AsyncSupplier<Void>, AsyncConsumer<Void> { | ||
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| static AsyncRunnable beginAsync() { | ||
| return (c) -> c.onResult(null, null); | ||
| } | ||
|
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| /** | ||
| * Must be invoked at end of async chain | ||
| * @param runnable the sync code to invoke (under non-exceptional flow) | ||
| * prior to the callback | ||
| * @param callback the callback provided by the method the chain is used in | ||
| */ | ||
| default void thenRunAndFinish(final Runnable runnable, final SingleResultCallback<Void> callback) { | ||
| this.finish((r, e) -> { | ||
| if (e != null) { | ||
| callback.onResult(null, e); | ||
| return; | ||
| } | ||
| try { | ||
| runnable.run(); | ||
| } catch (Throwable t) { | ||
| callback.onResult(null, t); | ||
| return; | ||
| } | ||
| callback.onResult(null, null); | ||
| }); | ||
| } | ||
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| /** | ||
| * See {@link #thenRunAndFinish(Runnable, SingleResultCallback)}, but the runnable | ||
| * will always be executed, including on the exceptional path. | ||
| * @param runnable the runnable | ||
| * @param callback the callback | ||
| */ | ||
| default void thenAlwaysRunAndFinish(final Runnable runnable, final SingleResultCallback<Void> callback) { | ||
| this.finish((r, e) -> { | ||
| try { | ||
| runnable.run(); | ||
| } catch (Throwable t) { | ||
| if (e != null) { | ||
| t.addSuppressed(e); | ||
| } | ||
| callback.onResult(null, t); | ||
| return; | ||
| } | ||
| callback.onResult(null, e); | ||
| }); | ||
| } | ||
|
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| /** | ||
| * @param runnable The async runnable to run after this runnable | ||
| * @return the composition of this runnable and the runnable, a runnable | ||
| */ | ||
| default AsyncRunnable thenRun(final AsyncRunnable runnable) { | ||
| return (c) -> { | ||
| this.unsafeFinish((r, e) -> { | ||
| if (e == null) { | ||
| runnable.unsafeFinish(c); | ||
| } else { | ||
| c.onResult(null, e); | ||
| } | ||
| }); | ||
| }; | ||
| } | ||
|
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| /** | ||
| * @param condition the condition to check | ||
| * @param runnable The async runnable to run after this runnable, | ||
| * if and only if the condition is met | ||
| * @return the composition of this runnable and the runnable, a runnable | ||
| */ | ||
| default AsyncRunnable thenRunIf(final Supplier<Boolean> condition, final AsyncRunnable runnable) { | ||
| return (callback) -> { | ||
| this.unsafeFinish((r, e) -> { | ||
| if (e != null) { | ||
| callback.onResult(null, e); | ||
| return; | ||
| } | ||
| boolean matched; | ||
| try { | ||
| matched = condition.get(); | ||
| } catch (Throwable t) { | ||
| callback.onResult(null, t); | ||
| return; | ||
| } | ||
| if (matched) { | ||
| runnable.unsafeFinish(callback); | ||
| } else { | ||
| callback.onResult(null, null); | ||
| } | ||
| }); | ||
| }; | ||
| } | ||
|
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| /** | ||
| * @param supplier The supplier to supply using after this runnable | ||
| * @return the composition of this runnable and the supplier, a supplier | ||
| * @param <R> The return type of the resulting supplier | ||
| */ | ||
| default <R> AsyncSupplier<R> thenSupply(final AsyncSupplier<R> supplier) { | ||
| return (c) -> { | ||
| this.unsafeFinish((r, e) -> { | ||
| if (e == null) { | ||
| supplier.unsafeFinish(c); | ||
| } else { | ||
| c.onResult(null, e); | ||
| } | ||
| }); | ||
| }; | ||
| } | ||
|
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| /** | ||
| * @param runnable the runnable to loop | ||
| * @param shouldRetry condition under which to retry | ||
| * @return the composition of this, and the looping branch | ||
| * @see RetryingAsyncCallbackSupplier | ||
| */ | ||
| default AsyncRunnable thenRunRetryingWhile( | ||
| final AsyncRunnable runnable, final Predicate<Throwable> shouldRetry) { | ||
| return thenRun(callback -> { | ||
| new RetryingAsyncCallbackSupplier<Void>( | ||
| new RetryState(), | ||
| (rs, lastAttemptFailure) -> shouldRetry.test(lastAttemptFailure), | ||
| cb -> runnable.finish(cb) // finish is required here, to handle exceptions | ||
| ).get(callback); | ||
| }); | ||
| } | ||
| } |
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