/*
 * Copyright 2004,2005 The Apache Software 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.
 */

#ifndef AXIS2_REPOS_LISTENER_H
#define AXIS2_REPOS_LISTENER_H

/** @defgroup axis2_repos_listener Repos Listener
 * @ingroup axis2_deployment
 * @{
 */

/**
 * @file axis2_repos_listener.h
 * @brief Axis2 Repos Listener interface
 */

#include <axis2_const.h>
#include <axis2_error.h>
#include <axis2_defines.h>
#include <axis2_env.h>
#include <axis2_allocator.h>
#include <axis2_qname.h>
#include <axis2_array_list.h>
#include "axis2_ws_info_list.h"
#include "axis2_dep_engine.h"

#ifdef __cplusplus
extern "C"
{
#endif

    struct axis2_dep_engine;
    /** Type name for struct axis2_repos_listener */
    typedef struct axis2_repos_listener axis2_repos_listener_t;
    /** Type name for struct axis2_repos_listener_ops */
    typedef struct axis2_repos_listener_ops axis2_repos_listener_ops_t;

    /**
     * Repos Listener ops struct
     * Encapsulator struct for ops of axis2_repos_listener
     */
    struct axis2_repos_listener_ops
    {
        /** 
         * De-allocate memory
         * @param repos_listener pointer to repos listener
         * @param env pointer to environment struct
         * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE
         */
        axis2_status_t (AXIS2_CALL *
                free)(
                    axis2_repos_listener_t *repos_listener,
                    const axis2_env_t *env);

        /**
         * this method ask serachWS to serch for the folder to caheck
         * for updates
         * @param repos_listener pointer to repos listener
         * @param env pointer to environment struct
         * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE
         */
        axis2_status_t (AXIS2_CALL *
                check_modules)(
                    axis2_repos_listener_t *listener,
                    const axis2_env_t *env);

        /**
         * this method ask serachWS to serch for the folder to caheck
         * for updates
         * @param repos_listener pointer to repos listener
         * @param env pointer to environment struct
         * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE
         */
        axis2_status_t (AXIS2_CALL *
                check_svcs)(
                    axis2_repos_listener_t *listener,
                    const axis2_env_t *env);

        /**
         * call to update method of WSInfoList object
         * @param repos_listener pointer to repos listener
         * @param env pointer to environment struct
         * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE
         */
        axis2_status_t (AXIS2_CALL *
                update)(
                    axis2_repos_listener_t *listener,
                    const axis2_env_t *env);

        /**
         * First it call to initalize method of WSInfoList to initilizat that.
         * then it call to checkModules to load all the module.jar s
         * and then it call to update() method inorder to update the Deployment engine and
         * engine regsitry
         * @param repos_listener pointer to repos listener
         * @param env pointer to environment struct
         * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE
         */
        axis2_status_t (AXIS2_CALL *
                init)(
                    axis2_repos_listener_t *listener,
                    const axis2_env_t *env);

        /**
         * this is the actual method that is call from scheduler
         * @param repos_listener pointer to repos listener
         * @param env pointer to environment struct
         * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE
         */
        axis2_status_t (AXIS2_CALL *
                start_listen)(
                    axis2_repos_listener_t *listener,
                    const axis2_env_t *env);


    };

    /**
     * Repos Listener struct 
     */
    struct axis2_repos_listener
    {
        /** Operations of repos listener */
        axis2_repos_listener_ops_t *ops;
    };

    /**
     * @param env pointer to environment struct
     * @return pointer to newly created deployment engine
     */
    AXIS2_EXTERN axis2_repos_listener_t *AXIS2_CALL
    axis2_repos_listener_create(
        const axis2_env_t *env);

    /**
     * @param env pointer to environment struct
     * @param folder_name this is the axis2 deployment root directory(repository path)
     * @param dep_engine pointer to deployment engine
     * @return pointer to newly created deployment engine
     */
    AXIS2_EXTERN axis2_repos_listener_t *AXIS2_CALL
    axis2_repos_listener_create_with_folder_name_and_dep_engine(
        const axis2_env_t *env,
        axis2_char_t *folder_name,
        struct axis2_dep_engine *dep_engine);

/*************************** Function macros **********************************/

/** Frees the repos listener.
    @sa axis2_repos_listener_ops#free */
#define AXIS2_REPOS_LISTENER_FREE(repos_listener, env) \
      ((repos_listener)->ops->free (repos_listener, env))

/** Check modules.
    @sa axis2_repos_listener_ops#check_modules */
#define AXIS2_REPOS_LISTENER_CHECK_MODULES(repos_listener, env) \
      ((repos_listener)->ops->check_modules (repos_listener, env))

/** Check the services.
    @sa axis2_repos_listener_ops#check_svcs */
#define AXIS2_REPOS_LISTENER_CHECK_SVCS(repos_listener, env) \
      ((repos_listener)->ops->check_svcs (repos_listener, env))

/** Update.
    @sa axis2_repos_listener_ops#update */
#define AXIS2_REPOS_LISTENER_UPDATE(repos_listener, env) \
      ((repos_listener)->ops->update (repos_listener, env))

/** Initialize the repos listener.
    @sa axis2_repos_listener_ops#init */
#define AXIS2_REPOS_LISTENER_INIT(repos_listener, env) \
      ((repos_listener)->ops->init (repos_listener, env))

/** Start listen.
    @sa axis2_repos_listener_ops#start_listen */
#define AXIS2_REPOS_LISTENER_START_LISTEN(repos_listener, env) \
      ((repos_listener)->ops->start_listen (repos_listener, env))


/*************************** End of function macros ***************************/

/** @} */

#ifdef __cplusplus
}
#endif
#endif  /* AXIS2_REPOS_LISTENER_H */