SpringAsDelegate.java
- /*
- * *********************************************************************************************************************
- *
- * 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.spring.spi;
- import javax.annotation.Nonnull;
- import java.util.ArrayList;
- import java.util.Collection;
- import java.util.List;
- import it.tidalwave.util.As;
- import it.tidalwave.util.Task;
- import it.tidalwave.util.spi.AsDelegate;
- import it.tidalwave.role.spi.ContextSampler;
- import it.tidalwave.role.spi.RoleManager;
- import lombok.extern.slf4j.Slf4j;
- import static it.tidalwave.role.spi.impl.LogUtil.*;
- /***********************************************************************************************************************
- *
- * An implementation for {@link As} based on Spring.
- *
- * @author Fabrizio Giudici
- *
- **********************************************************************************************************************/
- @Slf4j
- class SpringAsDelegate implements AsDelegate
- {
- @Nonnull
- private final Object owner;
- private final ContextSampler contextSampler;
- /*******************************************************************************************************************
- *
- * Constructor for use with subclassing.
- *
- ******************************************************************************************************************/
- public SpringAsDelegate()
- {
- this.owner = this;
- contextSampler = new ContextSampler(this);
- }
- /*******************************************************************************************************************
- *
- * Constructor for use with composition.
- *
- * @param owner the owner object
- *
- ******************************************************************************************************************/
- public SpringAsDelegate (@Nonnull final Object owner)
- {
- this.owner = owner;
- contextSampler = new ContextSampler(owner);
- }
- /*******************************************************************************************************************
- *
- * {@inheritDoc}
- *
- ******************************************************************************************************************/
- @Override @Nonnull
- public <T> Collection<? extends T> as (@Nonnull final Class<T> roleType)
- {
- log.trace("as({}) for {}", shortName(roleType), shortId(owner));
- log.trace(">>>> contexts: {}", contextSampler);
- final List<T> roles =
- new ArrayList<>(contextSampler.runWithContexts(new Task<List<? extends T>, RuntimeException>()
- {
- @Override @Nonnull
- public List<? extends T> run ()
- {
- return RoleManager.Locator.find().findRoles(owner, roleType);
- }
- }));
- if (roleType.isAssignableFrom(owner.getClass()))
- {
- roles.add(roleType.cast(owner));
- }
- log.trace(">>>> as() returning {}", shortIds(roles));
- return roles;
- }
- }