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Pods/FirebaseFirestoreInternal/Firestore/Source/API/FIRFieldValue.mm

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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 "Firestore/Source/API/FIRFieldValue+Internal.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface FIRFieldValue ()
+- (instancetype)initPrivate NS_DESIGNATED_INITIALIZER;
+@end
+
+#pragma mark - FSTDeleteFieldValue
+
+@interface FSTDeleteFieldValue ()
+/** Returns a single shared instance of the class. */
++ (instancetype)deleteFieldValue;
+@end
+
+@implementation FSTDeleteFieldValue
+
+- (instancetype)initPrivate {
+  self = [super initPrivate];
+  return self;
+}
+
++ (instancetype)deleteFieldValue {
+  static FSTDeleteFieldValue *sharedInstance = nil;
+  static dispatch_once_t onceToken;
+
+  dispatch_once(&onceToken, ^{
+    sharedInstance = [[FSTDeleteFieldValue alloc] initPrivate];
+  });
+  return sharedInstance;
+}
+
+- (NSString *)methodName {
+  return @"FieldValue.delete()";
+}
+
+@end
+
+#pragma mark - FSTServerTimestampFieldValue
+
+@interface FSTServerTimestampFieldValue ()
+/** Returns a single shared instance of the class. */
++ (instancetype)serverTimestampFieldValue;
+@end
+
+@implementation FSTServerTimestampFieldValue
+
+- (instancetype)initPrivate {
+  self = [super initPrivate];
+  return self;
+}
+
++ (instancetype)serverTimestampFieldValue {
+  static FSTServerTimestampFieldValue *sharedInstance = nil;
+  static dispatch_once_t onceToken;
+
+  dispatch_once(&onceToken, ^{
+    sharedInstance = [[FSTServerTimestampFieldValue alloc] initPrivate];
+  });
+  return sharedInstance;
+}
+
+- (NSString *)methodName {
+  return @"FieldValue.serverTimestamp()";
+}
+
+@end
+
+#pragma mark - FSTArrayUnionFieldValue
+
+@interface FSTArrayUnionFieldValue ()
+- (instancetype)initWithElements:(NSArray<id> *)elements;
+@end
+
+@implementation FSTArrayUnionFieldValue
+- (instancetype)initWithElements:(NSArray<id> *)elements {
+  if (self = [super initPrivate]) {
+    _elements = elements;
+  }
+  return self;
+}
+
+- (NSString *)methodName {
+  return @"FieldValue.arrayUnion()";
+}
+
+@end
+
+#pragma mark - FSTArrayRemoveFieldValue
+
+@interface FSTArrayRemoveFieldValue ()
+- (instancetype)initWithElements:(NSArray<id> *)elements;
+@end
+
+@implementation FSTArrayRemoveFieldValue
+- (instancetype)initWithElements:(NSArray<id> *)elements {
+  if (self = [super initPrivate]) {
+    _elements = elements;
+  }
+  return self;
+}
+
+- (NSString *)methodName {
+  return @"FieldValue.arrayRemove()";
+}
+
+@end
+
+#pragma mark - FSTNumericIncrementFieldValue
+
+/* FieldValue class for increment() transforms. */
+@interface FSTNumericIncrementFieldValue ()
+- (instancetype)initWithOperand:(NSNumber *)operand;
+@end
+
+@implementation FSTNumericIncrementFieldValue
+- (instancetype)initWithOperand:(NSNumber *)operand {
+  if (self = [super initPrivate]) {
+    _operand = operand;
+  }
+  return self;
+}
+
+- (NSString *)methodName {
+  return @"FieldValue.increment()";
+}
+
+@end
+
+#pragma mark - FIRFieldValue
+
+@implementation FIRFieldValue
+
+- (instancetype)initPrivate {
+  self = [super init];
+  return self;
+}
+
++ (instancetype)fieldValueForDelete {
+  return [FSTDeleteFieldValue deleteFieldValue];
+}
+
++ (instancetype)fieldValueForServerTimestamp {
+  return [FSTServerTimestampFieldValue serverTimestampFieldValue];
+}
+
++ (instancetype)fieldValueForArrayUnion:(NSArray<id> *)elements {
+  return [[FSTArrayUnionFieldValue alloc] initWithElements:elements];
+}
+
++ (instancetype)fieldValueForArrayRemove:(NSArray<id> *)elements {
+  return [[FSTArrayRemoveFieldValue alloc] initWithElements:elements];
+}
+
++ (instancetype)fieldValueForDoubleIncrement:(double)d {
+  return [[FSTNumericIncrementFieldValue alloc] initWithOperand:@(d)];
+}
+
++ (instancetype)fieldValueForIntegerIncrement:(int64_t)l {
+  return [[FSTNumericIncrementFieldValue alloc] initWithOperand:@(l)];
+}
+
+@end
+
+NS_ASSUME_NONNULL_END