1 files changed, 55 insertions, 0 deletions
diff --git a/Firebase/Database/Core/View/FCancelEvent.m b/Firebase/Database/Core/View/FCancelEvent.m
new file mode 100644
index 0000000..fb73f17
--- /dev/null
+++ b/Firebase/Database/Core/View/FCancelEvent.m
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2017 Google
+ *
+ * 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 "FCancelEvent.h"
+#import "FPath.h"
+#import "FEventRegistration.h"
+
+@interface FCancelEvent ()
+@property (nonatomic, strong) id<FEventRegistration> eventRegistration;
+@property (nonatomic, strong, readwrite) NSError *error;
+@property (nonatomic, strong, readwrite) FPath *path;
+@end
+
+@implementation FCancelEvent
+
+@synthesize eventRegistration;
+@synthesize error;
+@synthesize path;
+
+- (id)initWithEventRegistration:(id <FEventRegistration>)registration error:(NSError *)anError path:(FPath *)aPath {
+    self = [super init];
+    if (self) {
+        self.eventRegistration = registration;
+        self.error = anError;
+        self.path = aPath;
+    }
+    return self;
+}
+
+- (void) fireEventOnQueue:(dispatch_queue_t)queue {
+    [self.eventRegistration fireEvent:self queue:queue];
+}
+
+- (BOOL) isCancelEvent {
+    return YES;
+}
+
+- (NSString *) description {
+    return [NSString stringWithFormat:@"%@: cancel", self.path];
+}
+
+@end