SERVER-40297 Move the TransactionCoordinator data structures to a separate file

1 files changed, 81 insertions, 0 deletions

diff --git a/src/mongo/db/s/transaction_coordinator_structures.cpp b/src/mongo/db/s/transaction_coordinator_structures.cpp
new file mode 100644
index 00000000000..08be1a0b7aa
--- /dev/null
+++ b/src/mongo/db/s/transaction_coordinator_structures.cpp
@@ -0,0 +1,81 @@
+/**
+ *    Copyright (C) 2018-present MongoDB, Inc.
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the Server Side Public License, version 1,
+ *    as published by MongoDB, Inc.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    Server Side Public License for more details.
+ *
+ *    You should have received a copy of the Server Side Public License
+ *    along with this program. If not, see
+ *    <http://www.mongodb.com/licensing/server-side-public-license>.
+ *
+ *    As a special exception, the copyright holders give permission to link the
+ *    code of portions of this program with the OpenSSL library under certain
+ *    conditions as described in each individual source file and distribute
+ *    linked combinations including the program with the OpenSSL library. You
+ *    must comply with the Server Side Public License in all respects for
+ *    all of the code used other than as permitted herein. If you modify file(s)
+ *    with this exception, you may extend this exception to your version of the
+ *    file(s), but you are not obligated to do so. If you do not wish to do so,
+ *    delete this exception statement from your version. If you delete this
+ *    exception statement from all source files in the program, then also delete
+ *    it in the license file.
+ */
+
+#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kTransaction
+
+#include "mongo/platform/basic.h"
+
+#include "mongo/db/s/transaction_coordinator_structures.h"
+
+#include "mongo/util/assert_util.h"
+
+namespace mongo {
+namespace txn {
+namespace {
+
+constexpr auto kCommitDecision = "commit"_sd;
+constexpr auto kAbortDecision = "abort"_sd;
+
+}  // namespace
+
+CommitDecision readCommitDecisionEnumProperty(StringData decision) {
+    // clang-format off
+    if (decision == kCommitDecision) return CommitDecision::kCommit;
+    if (decision == kAbortDecision)  return CommitDecision::kAbort;
+    // clang-format on
+
+    uasserted(ErrorCodes::BadValue,
+              str::stream() << "'" << decision << "' is not a valid decision");
+}
+
+StringData writeCommitDecisionEnumProperty(CommitDecision decision) {
+    // clang-format off
+    switch (decision) {
+        case CommitDecision::kCommit:     return kCommitDecision;
+        case CommitDecision::kAbort:      return kAbortDecision;
+        case CommitDecision::kCanceled:   break;
+    };
+    // clang-format on
+    MONGO_UNREACHABLE;
+}
+
+logger::LogstreamBuilder& operator<<(logger::LogstreamBuilder& stream,
+                                     const CommitDecision& decision) {
+    // clang-format off
+    switch (decision) {
+        case txn::CommitDecision::kCommit:     return stream << "kCommit";
+        case txn::CommitDecision::kAbort:      return stream << "kAbort";
+        case txn::CommitDecision::kCanceled:   return stream << "kCanceled";
+    };
+    // clang-format on
+    MONGO_UNREACHABLE;
+}
+
+}  // namespace txn
+}  // namespace mongo