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/*
* 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 "FChange.h"
@interface FChange ()
@property (nonatomic, strong, readwrite) NSString *prevKey;
@end
@implementation FChange
- (id)initWithType:(FIRDataEventType)type indexedNode:(FIndexedNode *)indexedNode
{
return [self initWithType:type indexedNode:indexedNode childKey:nil oldIndexedNode:nil];
}
- (id)initWithType:(FIRDataEventType)type indexedNode:(FIndexedNode *)indexedNode childKey:(NSString *)childKey
{
return [self initWithType:type indexedNode:indexedNode childKey:childKey oldIndexedNode:nil];
}
- (id)initWithType:(FIRDataEventType)type
indexedNode:(FIndexedNode *)indexedNode
childKey:(NSString *)childKey
oldIndexedNode:(FIndexedNode *)oldIndexedNode
{
self = [super init];
if (self != nil) {
self->_type = type;
self->_indexedNode = indexedNode;
self->_childKey = childKey;
self->_oldIndexedNode = oldIndexedNode;
}
return self;
}
- (FChange *) changeWithPrevKey:(NSString *)prevKey {
FChange *newChange = [[FChange alloc] initWithType:self.type
indexedNode:self.indexedNode
childKey:self.childKey
oldIndexedNode:self.oldIndexedNode];
newChange.prevKey = prevKey;
return newChange;
}
- (NSString *) description {
return [NSString stringWithFormat:@"event: %d, data: %@", (int)self.type, [self.indexedNode.node val]];
}
@end
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