--- /dev/null
+////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2014 Realm Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+////////////////////////////////////////////////////////////////////////////
+
+#import "RLMObject_Private.h"
+
+#import "RLMRealm_Private.hpp"
+#import "RLMUtil.hpp"
+
+#import <realm/link_view.hpp> // required by row.hpp
+#import <realm/row.hpp>
+
+class RLMObservationInfo;
+
+// RLMObject accessor and read/write realm
+@interface RLMObjectBase () {
+ @public
+ realm::Row _row;
+ RLMObservationInfo *_observationInfo;
+ RLMClassInfo *_info;
+}
+@end
+
+// FIXME-2.0: This should be folded into initWithRealm:schema:, but changing the
+// signature of that is a breaking change for Swift
+id RLMCreateManagedAccessor(Class cls, RLMRealm *realm, RLMClassInfo *info) NS_RETURNS_RETAINED;
+
+// throw an exception if the object is invalidated or on the wrong thread
+static inline void RLMVerifyAttached(__unsafe_unretained RLMObjectBase *const obj) {
+ if (!obj->_row.is_attached()) {
+ @throw RLMException(@"Object has been deleted or invalidated.");
+ }
+ [obj->_realm verifyThread];
+}
+
+// throw an exception if the object can't be modified for any reason
+static inline void RLMVerifyInWriteTransaction(__unsafe_unretained RLMObjectBase *const obj) {
+ // first verify is attached
+ RLMVerifyAttached(obj);
+
+ if (!obj->_realm.inWriteTransaction) {
+ @throw RLMException(@"Attempting to modify object outside of a write transaction - call beginWriteTransaction on an RLMRealm instance first.");
+ }
+}