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<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="en"><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/><link rel="stylesheet" href="../../jacoco-resources/report.css" type="text/css"/><link rel="shortcut icon" href="../../jacoco-resources/report.gif" type="image/gif"/><title>OwnerRoleFactoryProvider.java</title><link rel="stylesheet" href="../../jacoco-resources/prettify.css" type="text/css"/><script type="text/javascript" src="../../jacoco-resources/prettify.js"></script></head><body onload="window['PR_TAB_WIDTH']=4;prettyPrint()"><div class="breadcrumb" id="breadcrumb"><span class="info"><a href="../../jacoco-sessions.html" class="el_session">Sessions</a></span><a href="../../index.html" class="el_report">TheseFoolishThings :: Examples :: DCI :: Marshal XStream</a> &gt; <a href="../index.html" class="el_bundle">it-tidalwave-util</a> &gt; <a href="index.source.html" class="el_package">it.tidalwave.role.spi</a> &gt; <span class="el_source">OwnerRoleFactoryProvider.java</span></div><h1>OwnerRoleFactoryProvider.java</h1><pre class="source lang-java linenums">/*
 * *********************************************************************************************************************
 *
 * 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 &quot;License&quot;); 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 &quot;AS IS&quot; 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.ArrayList;
import java.util.Collection;
import it.tidalwave.util.LazySupplier;
import lombok.RequiredArgsConstructor;
import static it.tidalwave.role.impl.ServiceLoaderLocator.lazySupplierOf;

/***********************************************************************************************************************
 *
 * The provider of the singleton {@link OwnerRoleFactory}.
 *
 * @author  Fabrizio Giudici
 *
 **********************************************************************************************************************/
@FunctionalInterface
public interface OwnerRoleFactoryProvider
  {
<span class="nc" id="L46">    static class Inner // TODO: will go away with Java 17</span>
will go away with Java 17
{ <span class="fc" id="L48"> private static final LazySupplier&lt;OwnerRoleFactoryProvider&gt; PROVIDER_REF =</span> <span class="fc" id="L49"> lazySupplierOf(OwnerRoleFactoryProvider.class);</span> <span class="fc" id="L51"> private static final LazySupplier&lt;EmptyOwnerRoleFactory&gt; EMPTY_REF =</span> <span class="fc" id="L52"> LazySupplier.of(EmptyOwnerRoleFactory::new);</span> } /******************************************************************************************************************* * * Returns the singleton instance of {@link OwnerRoleFactoryProvider} * * @return the singleton instance * ******************************************************************************************************************/ @Nonnull public static OwnerRoleFactoryProvider getInstance () { <span class="fc" id="L65"> return Inner.PROVIDER_REF.get();</span> } /******************************************************************************************************************* * * Creates an {@link OwnerRoleFactory} for the given object * * @param owner the object * @return {@code AsDelegate} * ******************************************************************************************************************/ @Nonnull public OwnerRoleFactory createRoleFactory (@Nonnull Object owner); /******************************************************************************************************************* * * Installs a {@link OwnerRoleFactory}. &lt;b&gt;This method is for testing only (used to set up a testing context).&lt;/b&gt; * * @param ownerRoleFactory the {@link OwnerRoleFactory} * @see #reset() * ******************************************************************************************************************/ public static void set (@Nonnull final OwnerRoleFactory ownerRoleFactory) { <span class="fc" id="L89"> Inner.PROVIDER_REF.set(new SimpleOwnerRoleFactoryProvider(ownerRoleFactory));</span> <span class="fc" id="L90"> }</span> /******************************************************************************************************************* * * Removes a previously installed {@link OwnerRoleFactory}. &lt;b&gt;This method is for testing only (used to clean up a * testing context).&lt;/b&gt; * * @see #set(OwnerRoleFactory) * ******************************************************************************************************************/ public static void reset() { <span class="fc" id="L102"> Inner.PROVIDER_REF.clear();</span> <span class="fc" id="L103"> }</span> /******************************************************************************************************************* * * Returns an empty implementation of factory. Useful for setting up a test environment. * * @return the empty implementation * @since 3.2-ALPHA-1 * ******************************************************************************************************************/ @Nonnull public static OwnerRoleFactory emptyRoleFactory() { <span class="fc" id="L116"> return Inner.EMPTY_REF.get();</span> } /******************************************************************************************************************* * ******************************************************************************************************************/ <span class="pc bpc" id="L122" title="1 of 2 branches missed."> @RequiredArgsConstructor</span> static class SimpleOwnerRoleFactoryProvider implements OwnerRoleFactoryProvider { @Nonnull private final OwnerRoleFactory ownerRoleFactory; @Override @Nonnull public OwnerRoleFactory createRoleFactory (@Nonnull final Object owner) { <span class="fc" id="L131"> return ownerRoleFactory;</span> } } /******************************************************************************************************************* * ******************************************************************************************************************/ <span class="fc" id="L138"> static class EmptyOwnerRoleFactory implements OwnerRoleFactory</span> { @Override @Nonnull public &lt;T&gt; Collection&lt;T&gt; findRoles (@Nonnull final Class&lt;? extends T&gt; type) { <span class="fc" id="L143"> return new ArrayList&lt;&gt;(); // must be mutable</span> } } } </pre><div class="footer"><span class="right">Created with <a href="http://www.jacoco.org/jacoco">JaCoCo</a> 0.8.7.202105040129</span></div></body></html>