// 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.apache.tapestry5.ioc.def;

import org.slf4j.Logger;

import java.util.Set;

/**
 * Defines the contents of a module. In the default case, this is information about the services provided by the module
 * builder class.
 */
public interface ModuleDef
{
    /**
     * Returns the ids of the services built/provided by the module.
     */
    Set<String> getServiceIds();

    /**
     * Returns a service definition via the service's id. Ideally, the returned value should be an instance of {@link
     * org.apache.tapestry5.ioc.def.ServiceDef2}, and will be converted to such if necessary.
     *
     * @param serviceId the id of the service to retrieve  (case is ignored)
     * @return service definition or null if it doesn't exist
     */
    ServiceDef getServiceDef(String serviceId);

    /**
     * Returns all the decorator definitions built/provided by this module.
     */
    Set<DecoratorDef> getDecoratorDefs();

    /**
     * Returns all the contribution definitions built/provided by this module.
     */
    Set<ContributionDef> getContributionDefs();

    /**
     * Returns the class that will be instantiated. Annotated instance methods of this class are invoked to build
     * services, to decorate/intercept services, and make contributions to other services.
     *
     * Note: this name is maintained for compatibilty; the term "module builder" is now just "module class".
     */
    Class getBuilderClass();

    /**
     * Returns the name used to create a {@link Logger} instance. This is typically the builder class name.
     */
    String getLoggerName();
}