/*
 * Copyright 2018-present Open Networking Foundation
 *
 * 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.onosproject.workflow.api;

import com.fasterxml.jackson.databind.JsonNode;

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

@Target(ElementType.FIELD)
@Retention(RetentionPolicy.RUNTIME)

/**
 * Annotation for injecting json data model on work-let execution context.
 */
public @interface JsonDataModel {

    /**
     * Path of data model.
     * @return path of data model
     */
    String path() default "/";

    /**
     * Type of data model.
     * @return type of data model
     */
    Class<?> type() default JsonNode.class;

    /**
     * Representing whether this data model is optional or not.
     * @return optional or not
     */
    boolean optional() default false;
}