/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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_ENDPOINT_REF_H
#define AXIS2_ENDPOINT_REF_H

/**
 * @defgroup axis2_endpoint_ref  endpoint reference
 * @ingroup axis2_addr
 * endpoint reference represent an endpoint address in WS-Addressing.
 * In addition to the endpoint address, it also encapsulates meta data,
 * reference attributes and the service hosted at the given endpoint.
 * In addition to the addressing related implementation, the endpoint reference 
 * struct is used across core code-base to represent endpoints. 
 * @{
 */

/**
 * @file axis2_endpoint_ref.h
 */

#include <axis2_defines.h>
#include <axis2_env.h>
#include <axis2_const.h>
#include <axis2_array_list.h>
#include <axis2_any_content_type.h>
#include <axis2_svc_name.h>
#include <axiom_node.h>
#include <axiom_attribute.h>

#ifdef __cplusplus
extern "C"
{
#endif

    /** Type name for struct axis2_endpoint_ref */
    typedef struct axis2_endpoint_ref axis2_endpoint_ref_t;
    /** Type name for struct axis2_endpoint_ref_ops */
    typedef struct axis2_endpoint_ref_ops axis2_endpoint_ref_ops_t;


    /**
     * endpoint reference ops struct.
     * Encapsulator struct for operations of axis2_endpoint_ref.
     */
    struct axis2_endpoint_ref_ops
    {
        /**
         * Gets endpoint address. Address URI identifies the endpoint. 
         * This may be a network address or a logical address.
         * @param endpoint_ref pointer to endpoint reference struct
         * @param env pointer to environment struct
         * @return endpoint address string
         */
        const axis2_char_t *(AXIS2_CALL *
                get_address)(
                    const axis2_endpoint_ref_t *endpoint_ref,
                    const axis2_env_t *env);

        /**
         * Sets endpoint address. Address URI identifies the endpoint. 
         * This may be a network address or a logical address.
         * @param endpoint_ref pointer to endpoint reference struct
         * @param env pointer to environment struct
         * @param address address string
         * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE
         */
        axis2_status_t (AXIS2_CALL *
                set_address)(
                    axis2_endpoint_ref_t *endpoint_ref,
                    const axis2_env_t *env,
                    const axis2_char_t *address);

        /**
         * Gets interface QName. QName represents the primary portType of 
         * the endpoint being conveyed.
         * @param endpoint_ref pointer to endpoint reference struct
         * @param env pointer to environment struct
         * @return pointer to interface QName, returns a reference, not a cloned
         * copy
         */
        const axis2_qname_t *(AXIS2_CALL *
                get_interface_qname)(
                    const axis2_endpoint_ref_t *endpoint_ref,
                    const axis2_env_t *env);

        /**
         * Sets interface QName. QName represents the primary portType of 
         * the endpoint being conveyed.
         * @param endpoint_ref pointer to endpoint reference struct
         * @param env pointer to environment struct
         * @param interface_name pointer to interface QName, this method creates
         * a clone of the QName
         * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE
         */
        axis2_status_t (AXIS2_CALL *
                set_interface_qname)(
                    axis2_endpoint_ref_t *endpoint_ref,
                    const axis2_env_t *env,
                    const axis2_qname_t *interface_qname);

        /**
         * Gets reference parameter list. A reference may contain a number 
         * of individual parameters which are associated with the endpoint 
         * to facilitate a particular interaction. Reference parameters 
         * are element information items that are named by QName and are 
         * required to properly interact with the endpoint. 
         * @param endpoint_ref pointer to endpoint reference struct
         * @param env pointer to environment struct
         * @return pointer to array list containing all reference parameters,
         * returns a reference, not a cloned copy 
         */
        axis2_array_list_t *(AXIS2_CALL *
                get_ref_param_list)(
                    const axis2_endpoint_ref_t *endpoint_ref,
                    const axis2_env_t *env);

        /**
         * Gets the list of metadata. An endpoint can have different associated 
         * metadata such as WSDL, XML Schema, and WS-Policy policies.
         * @param endpoint_ref pointer to endpoint reference struct
         * @param env pointer to environment struct
         * @return pointer to array list containing metadata, returns a 
         * reference, not a cloned copy
         */
        axis2_array_list_t *(AXIS2_CALL *
                get_metadata_list)(
                    const axis2_endpoint_ref_t *endpoint_ref,
                    const axis2_env_t *env);

        /**
         * Gets the list of reference attributes. 
         * @param endpoint_ref pointer to endpoint reference struct
         * @param env pointer to environment struct
         * @return pointer to array list containing reference attributes, 
         * returns a reference, not a cloned copy
         */
        axis2_array_list_t *(AXIS2_CALL *
                get_ref_attribute_list)(
                    const axis2_endpoint_ref_t *endpoint_ref,
                    const axis2_env_t *env);

        /**
         * Gets the list of metadata attributes.
         * @param endpoint_ref pointer to endpoint reference struct
         * @param env pointer to environment struct
         * @return pointer to array list containing metadata attributes, 
         * returns a reference, not a cloned copy
         */
        axis2_array_list_t *(AXIS2_CALL *
                get_metadata_attribute_list)(
                    const axis2_endpoint_ref_t *endpoint_ref,
                    const axis2_env_t *env);

        /**
         * Gets the list of extensions. Extensions are a mechanism to allow 
         * additional elements to be specified in association with the endpoint.
         * @param endpoint_ref pointer to endpoint reference struct
         * @param env pointer to environment struct
         * @return pointer to array list containing extensions, 
         * returns a reference, not a cloned copy
         */
        axis2_array_list_t *(AXIS2_CALL *
                get_extension_list)(
                    const axis2_endpoint_ref_t *endpoint_ref,
                    const axis2_env_t *env);

        /**
         * Adds a reference parameter in the form of an AXIOM node. 
         * @param endpoint_ref pointer to endpoint reference struct
         * @param env pointer to environment struct
         * @param ref_param_node pointer to AXIOM node representing reference 
         * parameter, endpoint reference does not assume the ownership of 
         * the node 
         * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE
         */
        axis2_status_t (AXIS2_CALL *
                add_ref_param)(
                    axis2_endpoint_ref_t *endpoint_ref,
                    const axis2_env_t *env,
                    axiom_node_t *ref_param_node);

        /**
         * Adds metadata in the form of an AXIOM node. An endpoint can have 
         * different associated metadata such as WSDL, XML Schema and 
         * WS-Policy policies.
         * @param endpoint_ref pointer to endpoint reference struct
         * @param env pointer to environment struct
         * @param metadata_node AXIOM node representing metadata, 
         * endpoint reference does not assume the ownership of the node 
         * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE
         */
        axis2_status_t (AXIS2_CALL *
                add_metadata)(
                    axis2_endpoint_ref_t *endpoint_ref,
                    const axis2_env_t *env,
                    axiom_node_t *metadata_node);

        /**
         * Adds a reference attribute in the form of an AXIOM attribute.
         * @param endpoint_ref pointer to endpoint reference struct
         * @param env pointer to environment struct
         * @param attr AXIOM attribute representing reference attribute,
         * endpoint reference does not assume the ownership of the attribute
         * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE
         */
        axis2_status_t (AXIS2_CALL *
                add_ref_attribute)(
                    axis2_endpoint_ref_t *endpoint_ref,
                    const axis2_env_t *env,
                    axiom_attribute_t *attr);

        /**
         * Adds a meta attribute in the form of an AXIOM attribute.
         * @param endpoint_ref pointer to endpoint reference struct
         * @param env pointer to environment struct
         * @param attr AXIOM attribute representing meta attribute,
         * endpoint reference does not assume the ownership of the attribute
         * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE
         */
        axis2_status_t (AXIS2_CALL *
                add_metadata_attribute)(
                    axis2_endpoint_ref_t *endpoint_ref,
                    const axis2_env_t *env,
                    axiom_attribute_t *attr);

        /**
         * Adds an extension in the form of an AXIOM node.
         * @param endpoint_ref pointer to endpoint reference struct
         * @param env pointer to environment struct
         * @param extension_node pointer to AXIOM node representing extension,
         * endpoint reference does not assume the ownership of the node
         * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE
         */
        axis2_status_t (AXIS2_CALL *
                add_extension)(
                    axis2_endpoint_ref_t *endpoint_ref,
                    const axis2_env_t *env,
                    axiom_node_t *extension_node);

        /**
         * Gets service name. An endpoint in WS-Addressing has a QName 
         * identifying the WSDL service element that contains the definition 
         * of the endpoint being conveyed. The service name provides a link 
         * to a full description of the service endpoint.
         * @param endpoint_ref pointer to endpoint reference struct
         * @param env pointer to environment struct
         * @return pointer to service name struct, returns a reference, not 
         * a cloned copy
         */
        axis2_svc_name_t *(AXIS2_CALL *
                get_svc_name)(
                    const axis2_endpoint_ref_t *endpoint_ref,
                    const axis2_env_t *env);

        /**
         * Sets service name. An endpoint in WS-Addressing has a QName 
         * identifying the WSDL service element that contains the definition 
         * of the endpoint being conveyed. The service name provides a link 
         * to a full description of the service endpoint.
         * @param endpoint_ref pointer to endpoint reference struct
         * @param env pointer to environment struct
         * @param svc_name pointer to service name struct, endpoint assumes
         * ownership of the struct
         * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE
         */
        axis2_status_t (AXIS2_CALL *
                set_svc_name)(
                    axis2_endpoint_ref_t *endpoint_ref,
                    const axis2_env_t *env,
                    axis2_svc_name_t *svc_name);


        /**
         * Frees endpoint reference struct.
         * @param endpoint_ref pointer to endpoint reference struct
         * @param env pointer to environment struct
         * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE
         */
        axis2_status_t (AXIS2_CALL *
                free)(
                    axis2_endpoint_ref_t *endpoint_ref,
                    const axis2_env_t *env);

    };

    /**
     * endpoint reference struct.
     */
    struct axis2_endpoint_ref
    {
        /** endpoint reference related ops */
        axis2_endpoint_ref_ops_t *ops;
    };


    /**
     * Creates endpoint reference struct.
     * @param env pointer to environment struct
     * @param address endpoint address string 
     * @return pointer to newly created endpoint reference
     */
    AXIS2_EXTERN axis2_endpoint_ref_t *AXIS2_CALL
    axis2_endpoint_ref_create(
        const axis2_env_t *env,
        const axis2_char_t *address);

    /**
     * Frees the endpoint_ref given as a void pointer. This method would cast the 
     * void parameter to an endpoint_ref pointer and then call free method.
     * @param pointer to endpoint_ref as a void pointer
     * @param env pointer to environment struct
     * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE
     */
    axis2_status_t AXIS2_CALL
    axis2_endpoint_ref_free_void_arg(
        void *endpoint_ref,
        const axis2_env_t *env);

/** Gets address.
    @sa axis2_endpoint_ref_ops#get_address */
#define AXIS2_ENDPOINT_REF_GET_ADDRESS(endpoint_ref, env) \
      ((endpoint_ref)->ops->get_address(endpoint_ref, env))

/** Sets address.
    @sa axis2_endpoint_ref_ops#set_address */
#define AXIS2_ENDPOINT_REF_SET_ADDRESS(endpoint_ref, env, address) \
      ((endpoint_ref)->ops->set_address(endpoint_ref, env, address))

/** Gets interface name.
    @sa axis2_endpoint_ref_ops#get_interface_name */
#define AXIS2_ENDPOINT_REF_GET_INTERFACE_NAME(endpoint_ref, env) \
      ((endpoint_ref)->ops->get_interface_qname(endpoint_ref, env))

/** Sets interface name.
    @sa axis2_endpoint_ref_ops#set_interface_name */
#define AXIS2_ENDPOINT_REF_SET_INTERFACE_NAME(endpoint_ref, env, interface_qname)\
      ((endpoint_ref)->ops->set_interface_qname(endpoint_ref, env, interface_qname))

/** Gets service name.
    @sa axis2_endpoint_ref_ops#get_svc_name */
#define AXIS2_ENDPOINT_REF_GET_SVC_NAME(endpoint_ref, env) \
      ((endpoint_ref)->ops->get_svc_name(endpoint_ref, env))

/** Sets service name.
    @sa axis2_endpoint_ref_ops#set_svc_name */
#define AXIS2_ENDPOINT_REF_SET_SVC_NAME(endpoint_ref, env, svc_name) \
      ((endpoint_ref)->ops->set_svc_name(endpoint_ref, env, svc_name))

/** Gets reference parameter list.
    @sa axis2_endpoint_ref_ops#get_ref_param_list */
#define AXIS2_ENDPOINT_REF_GET_REF_PARAM_LIST(endpoint_ref, env) \
      ((endpoint_ref)->ops->get_ref_param_list(endpoint_ref, env))

/** Gets metadata list.
    @sa axis2_endpoint_ref_ops#get_metadata_list */
#define AXIS2_ENDPOINT_REF_GET_METADATA_LIST(endpoint_ref, env) \
      ((endpoint_ref)->ops->get_metadata_list(endpoint_ref, env))

/** Adds reference parameter.
    @sa axis2_endpoint_ref_ops#add_ref_param */
#define AXIS2_ENDPOINT_REF_ADD_REF_PARAM(endpoint_ref, env, node) \
      ((endpoint_ref)->ops->add_ref_param(endpoint_ref, env, node))

/** Adds metadata.
    @sa axis2_endpoint_ref_ops#add_metadata */
#define AXIS2_ENDPOINT_REF_ADD_METADATA(endpoint_ref, env, node) \
      ((endpoint_ref)->ops->add_metadata(endpoint_ref, env, node))

/** Frees endpoint reference.
    @sa axis2_endpoint_ref_ops#free */
#define AXIS2_ENDPOINT_REF_FREE(endpoint_ref, env) \
      ((endpoint_ref)->ops->free(endpoint_ref, env))

/** Gets reference attribute list.
    @sa axis2_endpoint_ref_ops#get_ref_attribute_list */
#define AXIS2_ENDPOINT_REF_GET_REF_ATTRIBUTE_LIST(endpoint_ref, env) \
        ((endpoint_ref)->ops->get_ref_attribute_list(endpoint_ref, env))

/** Gets metadata attribute list.
    @sa axis2_endpoint_ref_ops#get_metadata_attribute_list */
#define AXIS2_ENDPOINT_REF_GET_META_ATTRIBUTE_LIST(endpoint_ref, env) \
        ((endpoint_ref)->ops->get_metadata_attribute_list(endpoint_ref, env))

/** Gets reference extension list.
    @sa axis2_endpoint_ref_ops#get_ref_extension_list */
#define AXIS2_ENDPOINT_REF_GET_REF_EXTENSION_LIST(endpoint_ref, env) \
        ((endpoint_ref)->ops->get_extension_list(endpoint_ref, env))

/** Adds reference attribute.
    @sa axis2_endpoint_ref_ops#add_ref_attribute */
#define AXIS2_ENDPOINT_REF_ADD_REF_ATTRIBUTE(endpoint_ref, env, attr) \
        ((endpoint_ref)->ops->add_ref_attribute(endpoint_ref, env, attr))

/** Adds metadata attribute.
    @sa axis2_endpoint_ref_ops#add_metadata_attribute */
#define AXIS2_ENDPOINT_REF_ADD_META_ATTRIBUTE(endpoint_ref, env, attr) \
        ((endpoint_ref)->ops->add_metadata_attribute(endpoint_ref, env, attr))

/** Adds extension.
    @sa axis2_endpoint_ref_ops#add_extension */
#define AXIS2_ENDPOINT_REF_ADD_EXTENSION(endpoint_ref, env, node) \
        ((endpoint_ref)->ops->add_extension(endpoint_ref, env, node))


/** @} */

#ifdef __cplusplus
}
#endif

#endif    /* AXIS2_ENDPOINT_REF_H */