SERVER-28715 Create global UUID/collection catalog

This patch allows for efficient lookup of collection by UUID.

1 files changed, 276 insertions, 0 deletions

diff --git a/src/mongo/db/catalog/collection_mock.h b/src/mongo/db/catalog/collection_mock.h
new file mode 100644
index 00000000000..7b46367a766
--- /dev/null
+++ b/src/mongo/db/catalog/collection_mock.h
@@ -0,0 +1,276 @@
+/**
+ *    Copyright (C) 2017 MongoDB Inc.
+ *
+ *    This program is free software: you can redistribute it and/or  modify
+ *    it under the terms of the GNU Affero General Public License, version 3,
+ *    as published by the Free Software Foundation.
+ *
+ *    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
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *    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 GNU Affero General 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.
+ */
+
+#pragma once
+
+#include "mongo/db/catalog/collection.h"
+
+namespace mongo {
+
+/**
+ * This class comprises a mock Collection for use by UUIDCatalog unit tests.
+ */
+class CollectionMock : virtual public Collection::Impl,
+                       virtual CappedCallback,
+                       virtual UpdateNotifier {
+public:
+    CollectionMock(const NamespaceString& ns) : _ns(ns) {}
+    ~CollectionMock() = default;
+
+    void init(OperationContext* opCtx) {
+        std::abort();
+    }
+
+private:
+    DatabaseCatalogEntry* dbce() const {
+        std::abort();
+    }
+
+    CollectionCatalogEntry* details() const {
+        std::abort();
+    }
+
+    Status aboutToDeleteCapped(OperationContext* opCtx, const RecordId& loc, RecordData data) {
+        std::abort();
+    }
+
+    Status recordStoreGoingToUpdateInPlace(OperationContext* opCtx, const RecordId& loc) {
+        std::abort();
+    }
+    const NamespaceString _ns;
+
+public:
+    const NamespaceString& ns() const {
+        return _ns;
+    }
+    bool ok() const {
+        std::abort();
+    }
+
+    CollectionCatalogEntry* getCatalogEntry() {
+        std::abort();
+    }
+    const CollectionCatalogEntry* getCatalogEntry() const {
+        std::abort();
+    }
+
+    CollectionInfoCache* infoCache() {
+        std::abort();
+    }
+    const CollectionInfoCache* infoCache() const {
+        std::abort();
+    }
+
+    const IndexCatalog* getIndexCatalog() const {
+        std::abort();
+    }
+    IndexCatalog* getIndexCatalog() {
+        std::abort();
+    }
+
+    const RecordStore* getRecordStore() const {
+        std::abort();
+    }
+    RecordStore* getRecordStore() {
+        std::abort();
+    }
+
+    CursorManager* getCursorManager() const {
+        std::abort();
+    }
+
+    bool requiresIdIndex() const {
+        std::abort();
+    }
+
+    Snapshotted<BSONObj> docFor(OperationContext* opCtx, const RecordId& loc) const {
+        std::abort();
+    }
+
+    bool findDoc(OperationContext* opCtx, const RecordId& loc, Snapshotted<BSONObj>* out) const {
+        std::abort();
+    }
+
+    std::unique_ptr<SeekableRecordCursor> getCursor(OperationContext* opCtx, bool forward) const {
+        std::abort();
+    }
+
+    std::vector<std::unique_ptr<RecordCursor>> getManyCursors(OperationContext* opCtx) const {
+        std::abort();
+    }
+
+    void deleteDocument(OperationContext* opCtx,
+                        const RecordId& loc,
+                        OpDebug* opDebug,
+                        bool fromMigrate,
+                        bool noWarn) {
+        std::abort();
+    }
+
+    Status insertDocuments(OperationContext* opCtx,
+                           std::vector<BSONObj>::const_iterator begin,
+                           std::vector<BSONObj>::const_iterator end,
+                           OpDebug* opDebug,
+                           bool enforceQuota,
+                           bool fromMigrate) {
+        std::abort();
+    }
+
+    Status insertDocument(OperationContext* opCtx,
+                          const BSONObj& doc,
+                          OpDebug* opDebug,
+                          bool enforceQuota,
+                          bool fromMigrate) {
+        std::abort();
+    }
+
+    Status insertDocumentsForOplog(OperationContext* opCtx,
+                                   const DocWriter* const* docs,
+                                   size_t nDocs) {
+        std::abort();
+    }
+
+    Status insertDocument(OperationContext* opCtx,
+                          const BSONObj& doc,
+                          const std::vector<MultiIndexBlock*>& indexBlocks,
+                          bool enforceQuota) {
+        std::abort();
+    }
+
+    StatusWith<RecordId> updateDocument(OperationContext* opCtx,
+                                        const RecordId& oldLocation,
+                                        const Snapshotted<BSONObj>& oldDoc,
+                                        const BSONObj& newDoc,
+                                        bool enforceQuota,
+                                        bool indexesAffected,
+                                        OpDebug* opDebug,
+                                        OplogUpdateEntryArgs* args) {
+        std::abort();
+    }
+
+    bool updateWithDamagesSupported() const {
+        std::abort();
+    }
+
+    StatusWith<RecordData> updateDocumentWithDamages(OperationContext* opCtx,
+                                                     const RecordId& loc,
+                                                     const Snapshotted<RecordData>& oldRec,
+                                                     const char* damageSource,
+                                                     const mutablebson::DamageVector& damages,
+                                                     OplogUpdateEntryArgs* args) {
+        std::abort();
+    }
+
+    StatusWith<CompactStats> compact(OperationContext* opCtx, const CompactOptions* options) {
+        std::abort();
+    }
+    Status truncate(OperationContext* opCtx) {
+        std::abort();
+    }
+
+    Status validate(OperationContext* opCtx,
+                    ValidateCmdLevel level,
+                    ValidateResults* results,
+                    BSONObjBuilder* output) {
+        std::abort();
+    }
+
+    Status touch(OperationContext* opCtx,
+                 bool touchData,
+                 bool touchIndexes,
+                 BSONObjBuilder* output) const {
+        std::abort();
+    }
+
+    void cappedTruncateAfter(OperationContext* opCtx, RecordId end, bool inclusive) {
+        std::abort();
+    }
+
+    StatusWithMatchExpression parseValidator(const BSONObj& validator) const {
+        std::abort();
+    }
+
+    Status setValidator(OperationContext* opCtx, BSONObj validator) {
+        std::abort();
+    }
+
+    Status setValidationLevel(OperationContext* opCtx, StringData newLevel) {
+        std::abort();
+    }
+    Status setValidationAction(OperationContext* opCtx, StringData newAction) {
+        std::abort();
+    }
+
+    StringData getValidationLevel() const {
+        std::abort();
+    }
+    StringData getValidationAction() const {
+        std::abort();
+    }
+
+    bool isCapped() const {
+        std::abort();
+    }
+
+    std::shared_ptr<CappedInsertNotifier> getCappedInsertNotifier() const {
+        std::abort();
+    }
+
+    uint64_t numRecords(OperationContext* opCtx) const {
+        std::abort();
+    }
+
+    uint64_t dataSize(OperationContext* opCtx) const {
+        std::abort();
+    }
+
+    uint64_t getIndexSize(OperationContext* opCtx, BSONObjBuilder* details, int scale) {
+        std::abort();
+    }
+
+    boost::optional<SnapshotName> getMinimumVisibleSnapshot() {
+        std::abort();
+    }
+
+    void setMinimumVisibleSnapshot(SnapshotName name) {
+        std::abort();
+    }
+
+    void notifyCappedWaitersIfNeeded() {
+        std::abort();
+    }
+
+    const CollatorInterface* getDefaultCollator() const {
+        std::abort();
+    }
+
+    OptionalCollectionUUID uuid(OperationContext* opCtx) const {
+        std::abort();
+    }
+};
+}  // namespace mongo