io.atlassian.util.concurrent.ExceptionPolicy Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of atlassian-util-concurrent Show documentation

This project contains utility classes that are used by various products and projects inside Atlassian and may have some utility to the world at large.

There is a newer version: 4.0.1

Show newest version

package io.atlassian.util.concurrent;

import java.util.function.Function;
import java.util.function.Supplier;

import static java.util.function.Function.identity;

/**
 * Represents an exception handling policy. Default implementations can be found
 * in {@link io.atlassian.util.concurrent.ExceptionPolicy.Policies}.
 */
public interface ExceptionPolicy {

  /**
   * Handle a supplier which may or may not throw an Exception.
   *
   * @param  the return type of the Supplier
   * @return the ExceptionPolicy handler
   */
   Function, Supplier> handler();

  /**
   * Default exception handling policies
   */
  enum Policies implements ExceptionPolicy {
    IGNORE_EXCEPTIONS {
      public  Function, Supplier> handler() {
        return Functions. ignoreExceptions();
      }
    },
    THROW {
      public  Function, Supplier> handler() {
        return identity();
      }
    };
  }
}