/*
* 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_SVC_GRP_CTX_H
#define AXIS2_SVC_GRP_CTX_H

/** 
 * @defgroup axis2_svc_grp_ctx service group context
 * @ingroup axis2_context
 * service group context represents a running "instance" of a service group.
 * service group context allows instance of services belonging to a service
 * group to be grouped.  
 * @{
 */

/**
 * @file axis2_svc_grp_ctx.h
 */

#include <axis2_defines.h>
#include <axis2_env.h>
#include <axis2_svc_ctx.h>
#include <axis2_svc_grp.h>

#ifdef __cplusplus
extern "C"
{
#endif

    struct axis2_svc_grp;
    /** Type name for struct svc_grp_ctx_ops */
    typedef struct axis2_svc_grp_ctx_ops axis2_svc_grp_ctx_ops_t;
    /** Type name for struct svc_grp_ctx */
    typedef struct axis2_svc_grp_ctx axis2_svc_grp_ctx_t;


    /**
     * service group context ops struct.
     * Encapsulator struct for ops of axis2_svc_grp_ctx.
     */
    struct axis2_svc_grp_ctx_ops
    {
        /**
         * Gets base which is of type context.
         * @param svc_grp_ctx pointer to service group context
         * @param env pointer to environment
         * @return pointer to base context struct, returns a reference not a 
         * cloned copy
         */
        axis2_ctx_t *(AXIS2_CALL *
                get_base)(
                    const axis2_svc_grp_ctx_t *svc_grp_ctx,
                    const axis2_env_t *env);


        /**
         * Gets parent. configuration context is the parent of any service group 
         * context instance.
         * @param svc_grp_ctx pointer to service group context
         * @param env pointer to environment struct
         * @return pointer to configuration context, parent of service group 
         */
        struct axis2_conf_ctx *(AXIS2_CALL *
                get_parent)(
                    const axis2_svc_grp_ctx_t *svc_grp_ctx,
                    const axis2_env_t *env);


        /**
         * Frees service group context.
         * @param svc_grp_ctx pointer to service group context
         * @param env pointer to environment struct
         * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE 
         */
        axis2_status_t (AXIS2_CALL *
                free)(
                    struct axis2_svc_grp_ctx *svc_grp_ctx,
                    const axis2_env_t *env);

        /**
         * Initializes service group context. In this method, it pics the 
         * related service group from configuration and keeps a reference
         * for future use. 
         * @param svc_grp_ctx pointer to service group context
         * @param env pointer to environment struct
         * @param conf pointer to configuration
         * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE 
         */
        axis2_status_t (AXIS2_CALL *
                init)(
                    struct axis2_svc_grp_ctx *svc_grp_ctx,
                    const axis2_env_t *env,
                    struct axis2_conf *conf);

        /**
         * Gets service group context ID.
         * @param svc_grp_ctx pointer to service group context
         * @param env pointer to environment struct
         * @return service group context ID string
         */
        const axis2_char_t *(AXIS2_CALL *
                get_id)(
                    const axis2_svc_grp_ctx_t *svc_grp_ctx,
                    const axis2_env_t *env);

        /**
         * Sets service group context ID.
         * @param svc_grp_ctx pointer to service group context
         * @param env pointer to environment struct
         * @return id service group context ID
         * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE 
         */
        axis2_status_t (AXIS2_CALL *
                set_id)(
                    struct axis2_svc_grp_ctx *svc_grp_ctx,
                    const axis2_env_t *env,
                    const axis2_char_t *id);

        /** 
         * Gets named service context.
         * @param svc_grp_ctx pointer to service group context
         * @param env pointer to environment struct
         * @param svc_name name of service context to be retrieved
         * @return pointer to named service context
         */
        struct axis2_svc_ctx *(AXIS2_CALL *
                get_svc_ctx)(
                    const axis2_svc_grp_ctx_t *svc_grp_ctx,
                    const axis2_env_t *env,
                    const axis2_char_t *svc_name);

        /**
         * Fills service context map. This will create one service context per 
         * each service in the service group related to this service context.
         * @param svc_grp_ctx pointer to service group context
         * @param env pointer to environment struct
         * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE 
         */
        axis2_status_t (AXIS2_CALL *
                fill_svc_ctx_map)(
                    struct axis2_svc_grp_ctx *svc_grp_ctx,
                    const axis2_env_t *env);

        /**
         * Gets service group related to this service context. 
         * @param svc_grp_ctx pointer to service group context
         * @param env pointer to environment struct
         * @return pointer to service group that this service group context 
         * represents
         */
        struct axis2_svc_grp *(AXIS2_CALL *
                get_svc_grp)(
                    const axis2_svc_grp_ctx_t *svc_grp_ctx,
                    const axis2_env_t *env);

        /**
         * Gets service context map containing all service contexts.
         * @param svc_grp_ctx pointer to service group context
         * @param env pointer to environment struct
         * @return pointer to hash table containing the service context map
         */
        axis2_hash_t *(AXIS2_CALL *
                get_svc_ctx_map)(
                    const axis2_svc_grp_ctx_t *svc_grp_ctx,
                    const axis2_env_t *env);
    };

    /**
     * service group context struct.
     */
    struct axis2_svc_grp_ctx
    {
        /** operations of service group context */
        axis2_svc_grp_ctx_ops_t *ops;
    };


    /**
     * Creates a service group context struct.
     * @param env pointer to environment struct
     * @param svc_grp pointer to service group that this service context 
     * represents, service group context does not assume the ownership of the struct
     * @param conf_ctx pointer to configuration context, the parent context 
     * of the newly created service group context, service group context does not 
     * assume the ownership of the struct
     * @return pointer to newly created service group context
     */
    AXIS2_EXTERN axis2_svc_grp_ctx_t *AXIS2_CALL
    axis2_svc_grp_ctx_create(
        const axis2_env_t *env,
        struct axis2_svc_grp *svc_grp,
        struct axis2_conf_ctx *conf_ctx);


/** Gets base context.
    @sa axis2_grp_ctx_ops#get_base */
#define AXIS2_SVC_GRP_CTX_GET_BASE(svc_grp_ctx, env) \
      ((svc_grp_ctx)->ops->get_base(svc_grp_ctx, env))

/** Gets parent configuration context.
    @sa axis2_grp_ctx_ops#get_parent */
#define AXIS2_SVC_GRP_CTX_GET_PARENT(svc_grp_ctx, env) \
      ((svc_grp_ctx)->ops->get_parent(svc_grp_ctx, env))

/** Frees service group context.
    @sa axis2_grp_ctx_ops#free */
#define AXIS2_SVC_GRP_CTX_FREE(svc_grp_ctx, env)\
      ((svc_grp_ctx)->ops->free(svc_grp_ctx, env))

/** Initializes service group context.
    @sa axis2_grp_ctx_ops#init */
#define AXIS2_SVC_GRP_CTX_INIT(svc_grp_ctx, env, conf)\
      ((svc_grp_ctx)->ops->init(svc_grp_ctx, env, conf))

/** Gets ID.
    @sa axis2_grp_ctx_ops#get_id */
#define AXIS2_SVC_GRP_CTX_GET_ID(svc_grp_ctx, env) \
      ((svc_grp_ctx)->ops->get_id(svc_grp_ctx, env))

/** Sets ID.
    @sa axis2_grp_ctx_ops#set id */
#define AXIS2_SVC_GRP_CTX_SET_ID(svc_grp_ctx, env, id) \
      ((svc_grp_ctx)->ops->set_id(svc_grp_ctx, env, id))

/** Gets named service context.
    @sa axis2_grp_ctx_ops#get_svc_ctx */
#define AXIS2_SVC_GRP_CTX_GET_SVC_CTX(svc_grp_ctx, env, svc_name) \
      ((svc_grp_ctx)->ops->get_svc_ctx(svc_grp_ctx, env, svc_name))

/** Gets service context map.
    @sa axis2_grp_ctx_ops#fill_svc_ctx_map */
#define AXIS2_SVC_GRP_CTX_FILL_SVC_CTX_MAP(svc_grp_ctx, env) \
      ((svc_grp_ctx)->ops->fill_svc_ctx_map(svc_grp_ctx, env))

/** Gets service group related to service group context.
    @sa axis2_grp_ctx_ops#get_svc_grp */
#define AXIS2_SVC_GRP_GET_SVC_GRP(svc_grp_ctx, env) \
      ((svc_grp_ctx)->ops->get_svc_grp(svc_grp_ctx, env))

/** Gets service context map.
    @sa axis2_grp_ctx_ops#get_svc_ctx_map */
#define AXIS2_SVC_GRP_GET_SVC_CTX_MAP(svc_grp_ctx, env) \
      ((svc_grp_ctx)->ops->get_svc_ctx_map(svc_grp_ctx, env))

/** @} */
#ifdef __cplusplus
}
#endif

#endif                          /* AXIS2_SVC_GRP_CTX_H */