swift-java/Sources/JavaStdlib/JavaUtilFunction/generated/JavaOptional+Extensions.swift at d479825bbe40fe5744f26586e847fe38de58405d · qoncept/swift-java · GitHub

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// Auto-generated by Java-to-Swift wrapper generator.
import SwiftJava
import SwiftJavaJNICore

extension JavaOptional {
  /// Java method `filter`.
  ///
  /// ### Java method signature
  /// ```java
  /// public java.util.Optional<T> java.util.Optional.filter(java.util.function.Predicate<? super T>)
  /// ```
  @JavaMethod
  public func filter(_ arg0: JavaPredicate<JavaObject>?) -> JavaOptional<T>!

  public func filterOptional(_ arg0: JavaPredicate<JavaObject>?) -> T? {
    Optional(javaOptional: self.filter(arg0))
  }

  /// Java method `flatMap`.
  ///
  /// ### Java method signature
  /// ```java
  /// public <U> java.util.Optional<U> java.util.Optional.flatMap(java.util.function.Function<? super T, ? extends java.util.Optional<? extends U>>)
  /// ```
  @JavaMethod
  public func flatMap<U: AnyJavaObject>(_ arg0: JavaFunction<JavaObject, JavaOptional<U>>?) -> JavaOptional<U>!

  public func flatMapOptional<U: AnyJavaObject>(_ arg0: JavaFunction<JavaObject, JavaOptional<U>>?) -> U? {
    Optional(javaOptional: self.flatMap(arg0))
  }

  /// Java method `ifPresent`.
  ///
  /// ### Java method signature
  /// ```java
  /// public void java.util.Optional.ifPresent(java.util.function.Consumer<? super T>)
  /// ```
  @JavaMethod
  public func ifPresent(_ arg0: JavaConsumer<JavaObject>?)

  /// Java method `map`.
  ///
  /// ### Java method signature
  /// ```java
  /// public <U> java.util.Optional<U> java.util.Optional.map(java.util.function.Function<? super T, ? extends U>)
  /// ```
  @JavaMethod
  public func map<U: AnyJavaObject>(_ arg0: JavaFunction<JavaObject, U>?) -> JavaOptional<U>!

  public func mapOptional<U: AnyJavaObject>(_ arg0: JavaFunction<JavaObject, U>?) -> U? {
    Optional(javaOptional: self.map(arg0))
  }

  /// Java method `or`.
  ///
  /// ### Java method signature
  /// ```java
  /// public java.util.Optional<T> java.util.Optional.or(java.util.function.Supplier<? extends java.util.Optional<? extends T>>)
  /// ```
  @JavaMethod
  public func or(_ arg0: JavaSupplier<JavaOptional<T>>?) -> JavaOptional<T>!

  public func orOptional(_ arg0: JavaSupplier<JavaOptional<T>>?) -> T? {
    Optional(javaOptional: self.or(arg0))
  }

  /// Java method `orElseGet`.
  ///
  /// ### Java method signature
  /// ```java
  /// public T java.util.Optional.orElseGet(java.util.function.Supplier<? extends T>)
  /// ```
  @JavaMethod(typeErasedResult: "T!")
  public func orElseGet(_ arg0: JavaSupplier<T>?) -> T!

  /// Java method `orElseThrow`.
  ///
  /// ### Java method signature
  /// ```java
  /// public <X extends java.lang.Throwable> T java.util.Optional.orElseThrow(java.util.function.Supplier<? extends X>) throws X
  /// ```
  @JavaMethod(typeErasedResult: "T!")
  public func orElseThrow<X: AnyJavaObject>(_ arg0: JavaSupplier<X>?) throws -> T!
}