Simplify Operations by uniting Sync and Async operations

[rozza]

Merged Async Read / Write Operations into their sync operations counterparts.

• AsyncWriteOperation into WriteOperation is a simple merge
• AsyncReadOperation into ReadOperation requires an additional type parameter This is due to async and sync cursors have different types.

Added extra ReadOperations interfaces to represent:

• Read operations that return the same type for sync / async
• Read operations that represent cursors

Removed SyncOperations and AsyncOperations builders which both use the same Operations builder class.

JAVA-5900

[Copilot]

Pull Request Overview

This pull request unifies synchronous and asynchronous operations in the MongoDB Java driver by merging the previously separate AsyncReadOperation and AsyncWriteOperation interfaces into their sync counterparts. The key changes include adding an additional type parameter to ReadOperation to handle different sync and async return types, introducing new read operation interfaces for better type organization, removing the separate builder classes for sync/async operations, and consolidating all operation interfaces to work with both sync and async execution.

Key Changes

• Merge AsyncReadOperation and AsyncWriteOperation interfaces into sync ReadOperation and WriteOperation interfaces
• Add additional type parameter to ReadOperation<T, R> to support different return types for sync and async execution
• Remove SyncOperations and AsyncOperations builder classes in favor of unified Operations class

Reviewed Changes

Copilot reviewed 79 out of 79 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
driver-core/src/main/com/mongodb/internal/operation/ReadOperation.java	Added async execution method and second type parameter for different sync/async return types
driver-core/src/main/com/mongodb/internal/operation/WriteOperation.java	Added async execution method to write operations
driver-core/src/main/com/mongodb/internal/operation/Operations.java	Unified operations builder class with timeout settings support and public API
driver-reactive-streams/src/main/com/mongodb/reactivestreams/client/internal/ReadOperationCursorAsyncOnly.java	New interface for async-only cursor operations with sync method throwing UnsupportedOperationException
driver-sync/src/main/com/mongodb/client/internal/OperationExecutor.java	Updated method signatures to use new ReadOperation type parameter

[jyemin]

Now that this class is used directly instead of being wrapped by Sync/AsyncOperations, consider changing the return values of the operation-return methods to be the interface types rather than the concrete types, as was done in AsyncOperations and SyncOperations.

Longer term, it would be nice if all the concrete operation classes were package private, and Operations was the only way to create them, but that's quite a bit more work (especially since the legacy driver doesn't use Operations)