Package org.springframework.pulsar.core

Class Resolved<T>

java.lang.Object
org.springframework.pulsar.core.Resolved<T>
Type Parameters:
T - the resolved type
public final class Resolved<T> extends Object
A resolved value or an exception if it could not be resolved.
Author:
Christophe Bornet, Chris Bono, Jonas Geiregat

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    equals(Object o)
     
    Optional<RuntimeException>
    exception()
    Gets the exception that may have occurred during resolution.
    static <T> Resolved<T>
    failed(RuntimeException reason)
    Factory method to create a Resolved when resolution fails.
    static <T> Resolved<T>
    failed(String reason)
    Factory method to create a Resolved when resolution fails.
    int
    hashCode()
     
    void
    ifResolved(Consumer<? super T> action)
    Performs the given action with the resolved value if a value was resolved and no exception occurred.
    void
    ifResolvedOrElse(Consumer<? super T> action, Consumer<RuntimeException> errorAction)
    Performs the given action with the resolved value if a non-null value was resolved and no exception occurred.
    static <T> Resolved<T>
    of(@Nullable T value)
    Factory method to create a Resolved when resolution succeeds.
    @Nullable T
    orElseThrow()
    Returns the resolved value if a value was resolved and no exception occurred, otherwise throws the resolution exception back to the caller.
    @Nullable T
    orElseThrow(Supplier<String> wrappingErrorMessage)
    Returns the resolved value if a value was resolved and no exception occurred, otherwise wraps the resolution exception with the provided error message and throws back to the caller.
    String
    toString()
     
    Optional<T>
    value()
    Gets the resolved value.

    Methods inherited from class java.lang.Object

    clone, finalize, getClass, notify, notifyAll, wait, wait, wait

  • Method Details

    • of

      public static <T> Resolved<T> of(@Nullable T value)
      Factory method to create a Resolved when resolution succeeds.
      Type Parameters:
      T - the type of the value
      Parameters:
      value - the non-null resolved value
      Returns:
      a Resolved containing the resolved value

    • failed

      public static <T> Resolved<T> failed(String reason)
      Factory method to create a Resolved when resolution fails.
      Type Parameters:
      T - the type of the value
      Parameters:
      reason - the non-null reason the resolution failed
      Returns:
      a Resolved containing an IllegalArgumentException with the reason for the failure

    • failed

      public static <T> Resolved<T> failed(RuntimeException reason)
      Factory method to create a Resolved when resolution fails.
      Type Parameters:
      T - the type of the value
      Parameters:
      reason - the non-null reason the resolution failed
      Returns:
      a Resolved containing the reason for the failure

    • value

      public Optional<T> value()
      Gets the resolved value.
      Returns:
      an optional with the resolved value or empty if failed to resolve

    • exception

      public Optional<RuntimeException> exception()
      Gets the exception that may have occurred during resolution.
      Returns:
      an optional with the resolution exception or empty if no error occurred

    • ifResolved

      public void ifResolved(Consumer<? super T> action)
      Performs the given action with the resolved value if a value was resolved and no exception occurred.
      Parameters:
      action - the action to be performed

    • ifResolvedOrElse

      public void ifResolvedOrElse(Consumer<? super T> action, Consumer<RuntimeException> errorAction)
      Performs the given action with the resolved value if a non-null value was resolved and no exception occurred. Otherwise, if an exception occurred then the provided error action is performed with the exception.
      Parameters:
      action - the action to be performed
      errorAction - the error action to be performed

    • orElseThrow

      public @Nullable T orElseThrow()
      Returns the resolved value if a value was resolved and no exception occurred, otherwise throws the resolution exception back to the caller.
      Returns:
      the resolved value if a value was resolved and no exception occurred
      Throws:
      RuntimeException - if an exception occurred during resolution

    • orElseThrow

      public @Nullable T orElseThrow(Supplier<String> wrappingErrorMessage)
      Returns the resolved value if a value was resolved and no exception occurred, otherwise wraps the resolution exception with the provided error message and throws back to the caller.
      Parameters:
      wrappingErrorMessage - additional context to add to the wrapped exception
      Returns:
      the resolved value if a value was resolved and no exception occurred
      Throws:
      RuntimeException - wrapping the resolution exception if an exception occurred during resolution

    • equals

      public boolean equals(Object o)
      Overrides:
      equals in class Object

    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object

    • toString

      public String toString()
      Overrides:
      toString in class Object