it.tidalwave.role.spi.SystemRoleFactory Maven / Gradle / Ivy
/*
* *********************************************************************************************************************
*
* TheseFoolishThings: Miscellaneous utilities
* http://tidalwave.it/projects/thesefoolishthings
*
* Copyright (C) 2009 - 2023 by Tidalwave s.a.s. (http://tidalwave.it)
*
* *********************************************************************************************************************
*
* 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.
*
* *********************************************************************************************************************
*
* git clone https://bitbucket.org/tidalwave/thesefoolishthings-src
* git clone https://github.com/tidalwave-it/thesefoolishthings-src
*
* *********************************************************************************************************************
*/
package it.tidalwave.role.spi;
import javax.annotation.Nonnull;
import java.util.List;
import it.tidalwave.util.LazySupplier;
import static it.tidalwave.role.impl.ServiceLoaderLocator.*;
/***********************************************************************************************************************
*
* A service which retrieves DCI Roles for a given object.
*
* @author Fabrizio Giudici
*
**********************************************************************************************************************/
@FunctionalInterface
public interface SystemRoleFactory
{
static class Inner
{
private static final LazySupplier SYSTEM_ROLE_FACTORY =
LazySupplier.of(() -> Inner.SYSTEM_ROLE_FACTORY_PROVIDER.get().getSystemRoleFactory());
private static final LazySupplier SYSTEM_ROLE_FACTORY_PROVIDER =
lazySupplierOf(SystemRoleFactoryProvider.class);
}
/*******************************************************************************************************************
*
******************************************************************************************************************/
@Nonnull
public static SystemRoleFactory getInstance()
{
return Inner.SYSTEM_ROLE_FACTORY.get();
}
/*******************************************************************************************************************
*
* Retrieves the roles of the given class for the given owner object.
*
* @param the static type of the roles
* @param owner the owner object
* @param roleType the dynamic type of the roles
* @return a list of roles
*
******************************************************************************************************************/
@Nonnull
public List findRoles (@Nonnull Object owner, @Nonnull Class extends T> roleType);
}
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