/**
 *  Copyright 2015 Reverb Technologies, Inc.
 *
 *  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.
 */

package org.rakam.server.http.annotations;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * Represents a single parameter in an Api Operation.  A parameter is an input
 * to the operation
 */
@Target({ElementType.PARAMETER, ElementType.METHOD, ElementType.FIELD})
@Retention(RetentionPolicy.RUNTIME)
public @interface ApiParam {
  /** Name of the parameter */
  String value() default "";

  /** Description of the parameter */
  String description() default "";

  /** Default value  - if e.g. no JAX-RS @DefaultValue is given */
  String defaultValue() default "";

  /** Description of values this endpoint accepts */
  String allowableValues() default "";

  /** specifies if the parameter is required or not */
  boolean required() default true;

  /** 
   * specify an optional access value for filtering in a Filter 
   * implementation.  This
   * allows you to hide certain parameters if a user doesn't have access to them
   */
  String access() default "";

  /** specifies whether or not the parameter can have multiple values provided */
  boolean allowMultiple() default false;
}