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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 <Foundation/Foundation.h>
@protocol FIndex, FNodeFilter, FNode;
@interface FQueryParams : NSObject <NSCopying>
@property (nonatomic, readonly) BOOL limitSet;
@property (nonatomic, readonly) NSInteger limit;
@property (nonatomic, strong, readonly) NSString *viewFrom;
@property (nonatomic, strong, readonly) id<FNode> indexStartValue;
@property (nonatomic, strong, readonly) NSString *indexStartKey;
@property (nonatomic, strong, readonly) id<FNode> indexEndValue;
@property (nonatomic, strong, readonly) NSString *indexEndKey;
@property (nonatomic, strong, readonly) id<FIndex> index;
- (BOOL)loadsAllData;
- (BOOL)isDefault;
- (BOOL)isValid;
- (BOOL)hasAnchoredLimit;
- (FQueryParams *) limitTo:(NSInteger) limit;
- (FQueryParams *) limitToFirst:(NSInteger) newLimit;
- (FQueryParams *) limitToLast:(NSInteger) newLimit;
- (FQueryParams *) startAt:(id<FNode>)indexValue childKey:(NSString *)key;
- (FQueryParams *) startAt:(id<FNode>)indexValue;
- (FQueryParams *) endAt:(id<FNode>)indexValue childKey:(NSString *)key;
- (FQueryParams *) endAt:(id<FNode>)indexValue;
- (FQueryParams *) orderBy:(id<FIndex>) index;
+ (FQueryParams *) defaultInstance;
+ (FQueryParams *) fromQueryObject:(NSDictionary *)dict;
- (BOOL)hasStart;
- (BOOL)hasEnd;
- (NSDictionary *) wireProtocolParams;
- (BOOL) isViewFromLeft;
- (id<FNodeFilter>) nodeFilter;
@end
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