1 files changed, 0 insertions, 113 deletions
diff --git a/src/mongo/db/ops/modifier_compare.h b/src/mongo/db/ops/modifier_compare.h
deleted file mode 100644
index 44cfdf15c7e..00000000000
--- a/src/mongo/db/ops/modifier_compare.h
+++ /dev/null
@@ -1,113 +0,0 @@
-/**
- *    Copyright (C) 2013 10gen 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 <string>
-
-#include "mongo/base/disallow_copying.h"
-#include "mongo/bson/mutable/element.h"
-#include "mongo/db/field_ref.h"
-#include "mongo/db/jsobj.h"
-#include "mongo/db/ops/modifier_interface.h"
-
-namespace mongo {
-
-class CollatorInterface;
-class LogBuilder;
-
-class ModifierCompare : public ModifierInterface {
-    MONGO_DISALLOW_COPYING(ModifierCompare);
-
-public:
-    enum ModifierCompareMode { MAX, MIN };
-    explicit ModifierCompare(ModifierCompareMode mode = MAX);
-
-    virtual ~ModifierCompare();
-
-    //
-    // Modifier interface implementation
-    //
-
-    /**
-     * A 'modExpr' is a BSONElement {<fieldname>: <value>} coming from a $set mod such as
-     * {$set: {<fieldname: <value>}}. init() extracts the field name and the value to be
-     * assigned to it from 'modExpr'. It returns OK if successful or a status describing
-     * the error.
-     */
-    virtual Status init(const BSONElement& modExpr, const Options& opts, bool* positional = NULL);
-
-    /**
-     * Looks up the field name in the sub-tree rooted at 'root', and binds, if necessary,
-     * the '$' field part using the 'matchedfield' number. prepare() returns OK and
-     * fills in 'execInfo' with information of whether this mod is a no-op on 'root' and
-     * whether it is an in-place candidate. Otherwise, returns a status describing the
-     * error.
-     */
-    virtual Status prepare(mutablebson::Element root, StringData matchedField, ExecInfo* execInfo);
-
-    /**
-     * Applies the prepared mod over the element 'root' specified in the prepare()
-     * call. Returns OK if successful or a status describing the error.
-     */
-    virtual Status apply() const;
-
-    /**
-     * Adds a log entry to logRoot corresponding to the operation applied here. Returns OK
-     * if successful or a status describing the error.
-     */
-    virtual Status log(LogBuilder* logBuilder) const;
-
-    virtual void setCollator(const CollatorInterface* collator) {
-        invariant(!_collator);
-        _collator = collator;
-    }
-
-private:
-    // Compare mode: min/max
-    const ModifierCompareMode _mode;
-
-    // Access to each component of fieldName that's the target of this mod.
-    FieldRef _updatePath;
-
-    // 0 or index for $-positional in _updatePath.
-    size_t _pathReplacementPosition;
-
-    // Element of the mod expression.
-    BSONElement _val;
-
-    // The instance of the field in the provided doc. This state is valid after a
-    // prepare() was issued and until a log() is issued. The document this mod is
-    // being prepared against must be live throughout all the calls.
-    struct PreparedState;
-    std::unique_ptr<PreparedState> _preparedState;
-
-    const CollatorInterface* _collator = nullptr;
-};
-
-}  // namespace mongo