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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>Finder8.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 - Java 8 Supplements</a> &gt; <a href="index.source.html" class="el_package">it.tidalwave.util</a> &gt; <span class="el_source">Finder8.java</span></div><h1>Finder8.java</h1><pre class="source lang-java linenums">/*
 * #%L
 * *********************************************************************************************************************
 *
 * These Foolish Things - Miscellaneous utilities
 * http://thesefoolishthings.tidalwave.it - git clone git@bitbucket.org:tidalwave/thesefoolishthings-src.git
 * %%
 * Copyright (C) 2009 - 2021 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.
 *
 * *********************************************************************************************************************
 *
 * $Id$
 *
 * *********************************************************************************************************************
 * #L%
 */
package it.tidalwave.util;

import javax.annotation.Nonnegative;
import javax.annotation.Nonnull;
import java.util.Iterator;
import java.util.List;
import java.util.Optional;
import java.util.stream.Stream;

/***********************************************************************************************************************
 *
 * @author  Fabrizio Giudici
 * @version $Id$
 *
 **********************************************************************************************************************/
public interface Finder8&lt;TYPE&gt; extends Finder&lt;TYPE&gt;, Iterable&lt;TYPE&gt;
  {
    @Nonnull
    default public Optional&lt;TYPE&gt; optionalResult()
      {
        try
          {
<span class="nc" id="L50">            return Optional.of(result());</span>
          }
<span class="nc" id="L52">        catch (NotFoundException e)</span>
          {
<span class="nc" id="L54">            return Optional.empty();</span>
          }
      }

    @Nonnull
    default public Optional&lt;TYPE&gt; optionalFirstResult()
      {
        try
          {
<span class="nc" id="L63">            return Optional.of(firstResult());</span>
          }
<span class="nc" id="L65">        catch (NotFoundException e)</span>
          {
<span class="nc" id="L67">            return Optional.empty();</span>
          }
      }

    @Nonnull
    default public Stream&lt;TYPE&gt; stream()
      {
<span class="nc" id="L74">        return ((List&lt;TYPE&gt;)results()).stream();</span>
      }

    @Override @Nonnull
    default public Iterator&lt;TYPE&gt; iterator()
      {
<span class="nc" id="L80">        return ((List&lt;TYPE&gt;)results()).iterator();</span>
      }

    // TODO: this should come by means of ExtendedFinder

this should come by means of ExtendedFinder
    @Override @Nonnull
    public Finder8&lt;TYPE&gt; from (@Nonnegative int firstResult);

    @Override @Nonnull
    public Finder8&lt;TYPE&gt; max (@Nonnegative int maxResults);

    @Override @Nonnull
    public Finder8&lt;TYPE&gt; withContext (@Nonnull Object context);

    @Override @Nonnull
    public Finder8&lt;TYPE&gt; sort (@Nonnull SortCriterion criterion);

    @Override @Nonnull
    public Finder8&lt;TYPE&gt; sort (@Nonnull SortCriterion criterion, @Nonnull SortDirection direction);
  }
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