SERVER-23059: storage interface improvements

1 files changed, 90 insertions, 0 deletions

diff --git a/src/mongo/db/repl/collection_bulk_loader_impl.h b/src/mongo/db/repl/collection_bulk_loader_impl.h
new file mode 100644
index 00000000000..1650d98f5fb
--- /dev/null
+++ b/src/mongo/db/repl/collection_bulk_loader_impl.h
@@ -0,0 +1,90 @@
+/**
+ *    Copyright (C) 2015 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/base/disallow_copying.h"
+#include "mongo/base/status.h"
+#include "mongo/base/status_with.h"
+#include "mongo/bson/bsonobj.h"
+#include "mongo/db/catalog/index_create.h"
+#include "mongo/db/db_raii.h"
+#include "mongo/db/namespace_string.h"
+#include "mongo/db/repl/collection_bulk_loader.h"
+#include "mongo/db/repl/storage_interface.h"
+#include "mongo/db/repl/task_runner.h"
+#include "mongo/util/concurrency/old_thread_pool.h"
+
+namespace mongo {
+namespace repl {
+
+/**
+ * Class in charge of building a collection during data loading (like initial sync).
+ *
+ * Note: Call commit when done inserting documents.
+ */
+class CollectionBulkLoaderImpl : public CollectionBulkLoader {
+    MONGO_DISALLOW_COPYING(CollectionBulkLoaderImpl);
+
+public:
+    CollectionBulkLoaderImpl(OperationContext* txn,
+                             TaskRunner* runner,
+                             Collection* coll,
+                             const BSONObj idIndexSpec,
+                             std::unique_ptr<AutoGetOrCreateDb> autoDB,
+                             std::unique_ptr<AutoGetCollection> autoColl);
+    virtual ~CollectionBulkLoaderImpl();
+
+    virtual Status init(OperationContext* txn,
+                        Collection* coll,
+                        const std::vector<BSONObj>& secondaryIndexSpecs) override;
+
+    virtual Status insertDocuments(const std::vector<BSONObj>::const_iterator begin,
+                                   const std::vector<BSONObj>::const_iterator end) override;
+    virtual Status commit() override;
+
+    virtual std::string toString() const override;
+    virtual BSONObj toBSON() const override;
+
+private:
+    TaskRunner* _runner;
+    std::unique_ptr<AutoGetCollection> _autoColl;
+    std::unique_ptr<AutoGetOrCreateDb> _autoDB;
+    OperationContext* _txn = nullptr;
+    Collection* _coll = nullptr;
+    NamespaceString _nss;
+    MultiIndexBlock _idIndexBlock;
+    MultiIndexBlock _secondaryIndexesBlock;
+    bool _hasSecondaryIndexes = false;
+    BSONObj _idIndexSpec;
+    bool _callAbortOnDestructor = false;
+};
+
+}  // namespace repl
+}  // namespace mongo