package org.infinispan.rest.framework;

import java.util.Set;
import java.util.concurrent.CompletionStage;
import java.util.function.Function;

/**
 * Defines an invocation to a REST resource.
 *
 * @since 10.0
 */
public interface Invocation {

   /**
    * Returns one or more methods supported.
    */
   Set<Method> methods();

   /**
    * Returns the associated action (request parameter) or null.
    */
   String getAction();

   /**
    * Returns one or more paths associated with the invocation.
    * Paths can be constant, e.g. /a/b/c or use variables such as /a/{var1}/{var2}.
    */
   Set<String> paths();

   /**
    * The user friendly name of the invocation
    */
   default String getName() {
      return toString();
   }

   /**
    * Return the function to execute the invocation.
    */
   Function<RestRequest, CompletionStage<RestResponse>> handler();

   /**
    * @return true whether the invocation can be done anonymously (without auth)
    */
   boolean anonymous();
}
