mirror of
https://github.com/firebase/firebase-ios-sdk
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52 lines
2.0 KiB
Objective-C
52 lines
2.0 KiB
Objective-C
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#import <Foundation/Foundation.h>
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/** Defines the interface that allows adding/removing attributes to any object.
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*/
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NS_SWIFT_NAME(PerformanceAttributable)
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@protocol FIRPerformanceAttributable <NSObject>
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/** List of attributes. */
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@property(nonatomic, nonnull, readonly) NSDictionary<NSString *, NSString *> *attributes;
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/**
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* Sets a value as a string for the specified attribute. Updates the value of the attribute if a
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* value had already existed.
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*
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* @param value The value that needs to be set/updated for an attribute. If the length of the value
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* exceeds the maximum allowed, the value will be truncated to the maximum allowed.
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* @param attribute The name of the attribute. If the length of the value exceeds the maximum
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* allowed, the value will be truncated to the maximum allowed.
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*/
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- (void)setValue:(nonnull NSString *)value forAttribute:(nonnull NSString *)attribute;
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/**
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* Reads the value for the specified attribute. If the attribute does not exist, returns nil.
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*
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* @param attribute The name of the attribute.
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* @return The value for the attribute. Returns nil if the attribute does not exist.
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*/
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- (nullable NSString *)valueForAttribute:(nonnull NSString *)attribute;
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/**
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* Removes an attribute from the list. Does nothing if the attribute does not exist.
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*
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* @param attribute The name of the attribute.
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*/
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- (void)removeAttribute:(nonnull NSString *)attribute;
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@end
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