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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>BoundProperty.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.role.ui</a> &gt; <span class="el_source">BoundProperty.java</span></div><h1>BoundProperty.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.role.ui;

import javax.annotation.Nonnull;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import lombok.AllArgsConstructor;
import lombok.experimental.Delegate;
import lombok.EqualsAndHashCode;
import lombok.NoArgsConstructor;
import lombok.ToString;

/***********************************************************************************************************************
 *
 * @author  Fabrizio Giudici
 * @version $Id$
 *
 **********************************************************************************************************************/
// FIXME: weak listeners

weak listeners
<span class="nc bnc" id="L47" title="All 14 branches missed.">@AllArgsConstructor @NoArgsConstructor @EqualsAndHashCode @ToString(exclude=&quot;pcs&quot;)</span>
public class BoundProperty&lt;T&gt; implements ChangingSource&lt;T&gt;, Changeable&lt;T&gt;
  {
<span class="nc" id="L50">    @Delegate</span>
    private transient final PropertyChangeSupport pcs = new PropertyChangeSupport(this);

    public static final String PROP_VALUE = &quot;value&quot;;

    private T value;

    /*******************************************************************************************************************
     *
     *
     *
     ******************************************************************************************************************/
    @Override
    public void set (final T value)
      {
<span class="nc" id="L65">        final T oldValue = this.value;</span>
<span class="nc" id="L66">        this.value = value;</span>
<span class="nc" id="L67">        pcs.firePropertyChange(PROP_VALUE, oldValue, value);</span>
<span class="nc" id="L68">      }</span>

    /*******************************************************************************************************************
     *
     *
     *
     ******************************************************************************************************************/
    @Override
    public T get()
      {
<span class="nc" id="L78">        return value;</span>
      }

    /*******************************************************************************************************************
     *
     *
     *
     ******************************************************************************************************************/
    public void bind (final @Nonnull ChangingSource&lt;T&gt; source)
      {
<span class="nc" id="L88">        source.addPropertyChangeListener(new PropertyChangeListener()</span>
<span class="nc" id="L89">          {</span>
            @Override
            public void propertyChange (final @Nonnull PropertyChangeEvent event)
              {
<span class="nc" id="L93">                set((T)event.getNewValue());</span>
<span class="nc" id="L94">              }</span>
          });

<span class="nc bnc" id="L97" title="All 2 branches missed.">        if (source instanceof Changeable)</span>
          {
<span class="nc" id="L99">            final Changeable&lt;T&gt; changeable = (Changeable&lt;T&gt;)source;</span>
<span class="nc" id="L100">            changeable.set(value);</span>

<span class="nc" id="L102">            this.addPropertyChangeListener(new PropertyChangeListener()</span>
<span class="nc" id="L103">              {</span>
                @Override
                public void propertyChange (final @Nonnull PropertyChangeEvent event)
                  {
<span class="nc" id="L107">                    changeable.set((T)event.getNewValue());</span>
<span class="nc" id="L108">                  }</span>
            });
          }
<span class="nc" id="L111">      }</span>

    /*******************************************************************************************************************
     *
     *
     *
     ******************************************************************************************************************/
    @Override
    public void unbindAll()
      {
<span class="nc bnc" id="L121" title="All 2 branches missed.">        for (final PropertyChangeListener listener : pcs.getPropertyChangeListeners().clone())</span>
          {
<span class="nc" id="L123">            pcs.removePropertyChangeListener(listener);</span>
          }
<span class="nc" id="L125">      }</span>
  }
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