framework/private/src/wire.c

/**
 *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.
 */
/*
 * wire.c
 *
 *  \date       Jul 19, 2010
 *  \author    	<a href="mailto:dev@celix.apache.org">Apache Celix Project Team</a>
 *  \copyright	Apache License, Version 2.0
 */
#include <stdlib.h>

#include "wire.h"

struct wire {
	module_pt importer;
	requirement_pt requirement;
	module_pt exporter;
	capability_pt capability;
};

celix_status_t wire_create(module_pt importer, requirement_pt requirement,
		module_pt exporter, capability_pt capability, wire_pt *wire) {
	celix_status_t status = CELIX_SUCCESS;

	if (*wire != NULL) {
		status = CELIX_ILLEGAL_ARGUMENT;
	} else {
		(*wire) = (wire_pt) malloc(sizeof(**wire));
		if (!*wire) {
			status = CELIX_ENOMEM;
		} else {
			(*wire)->importer = importer;
			(*wire)->requirement = requirement;
			(*wire)->exporter = exporter;
			(*wire)->capability = capability;
		}
	}

	framework_logIfError(logger, status, NULL, "Cannot create wire");

	return status;
}

celix_status_t wire_destroy(wire_pt wire) {
	wire->importer = NULL;
	wire->requirement = NULL;
	wire->exporter = NULL;
	wire->capability = NULL;
	free(wire);
	return CELIX_SUCCESS;
}

celix_status_t wire_getCapability(wire_pt wire, capability_pt *capability) {
	*capability = wire->capability;
	return CELIX_SUCCESS;
}

celix_status_t wire_getRequirement(wire_pt wire, requirement_pt *requirement) {
	*requirement = wire->requirement;
	return CELIX_SUCCESS;
}

celix_status_t wire_getImporter(wire_pt wire, module_pt *importer) {
	*importer = wire->importer;
	return CELIX_SUCCESS;
}

celix_status_t wire_getExporter(wire_pt wire, module_pt *exporter) {
	*exporter = wire->exporter;
	return CELIX_SUCCESS;
}