<?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 Examples - DCI Displayable</a> > <a href="../index.html" class="el_bundle">it-tidalwave-role</a> > <a href="index.source.html" class="el_package">it.tidalwave.role.ui</a> > <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 "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.
*
* *********************************************************************************************************************
*
*
* *********************************************************************************************************************
* #L%
*/
package it.tidalwave.role.ui;
import javax.annotation.Nonnull;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.EqualsAndHashCode;
import lombok.NoArgsConstructor;
import lombok.ToString;
import lombok.experimental.Delegate;
/***********************************************************************************************************************
*
* @author Fabrizio Giudici
*
**********************************************************************************************************************/
// FIXME: weak listeners
weak listeners
<span class="nc bnc" id="L45" title="All 14 branches missed.">@AllArgsConstructor @NoArgsConstructor @EqualsAndHashCode(exclude="pcs") @ToString(exclude="pcs")</span>
public class BoundProperty<T> implements ChangingSource<T>, Changeable<T>
{
<span class="nc" id="L48"> @Delegate</span>
private transient final PropertyChangeSupport pcs = new PropertyChangeSupport(this);
public static final String PROP_VALUE = "value";
private T value;
/*******************************************************************************************************************
*
* @since 3.2-ALPHA-2
*
******************************************************************************************************************/
@Nonnull
public static <T> BoundProperty<T> of (final @Nonnull T value)
{
<span class="nc" id="L63"> return new BoundProperty<>(value);</span>
}
/*******************************************************************************************************************
*
*
*
******************************************************************************************************************/
@Override
public void set (final T value)
{
<span class="nc" id="L74"> final T oldValue = this.value;</span>
<span class="nc" id="L75"> this.value = value;</span>
<span class="nc" id="L76"> pcs.firePropertyChange(PROP_VALUE, oldValue, value);</span>
<span class="nc" id="L77"> }</span>
/*******************************************************************************************************************
*
*
*
******************************************************************************************************************/
@Override
public T get()
{
<span class="nc" id="L87"> return value;</span>
}
/*******************************************************************************************************************
*
*
*
******************************************************************************************************************/
public void bind (final @Nonnull ChangingSource<T> source)
{
<span class="nc" id="L97"> source.addPropertyChangeListener(event -> set((T)event.getNewValue()));</span>
<span class="nc bnc" id="L99" title="All 2 branches missed."> if (source instanceof Changeable)</span>
{
<span class="nc" id="L101"> final Changeable<T> changeable = (Changeable<T>)source;</span>
<span class="nc" id="L102"> changeable.set(value);</span>
<span class="nc" id="L103"> this.addPropertyChangeListener(event -> changeable.set((T)event.getNewValue()));</span>
}
<span class="nc" id="L105"> }</span>
/*******************************************************************************************************************
*
*
*
******************************************************************************************************************/
@Override
public void unbindAll()
{
<span class="nc bnc" id="L115" title="All 2 branches missed."> for (final PropertyChangeListener listener : pcs.getPropertyChangeListeners().clone())</span>
{
<span class="nc" id="L117"> pcs.removePropertyChangeListener(listener);</span>
}
<span class="nc" id="L119"> }</span>
}
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