本文整理了Java中org.openide.nodes.Node.getPropertyChangeListenersCount()方法的一些代码示例，展示了Node.getPropertyChangeListenersCount()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Node.getPropertyChangeListenersCount()方法的具体详情如下：
包路径：org.openide.nodes.Node
类名称：Node
方法名：getPropertyChangeListenersCount

Node.getPropertyChangeListenersCount介绍

[英]Returns the number of property change listeners attached to this node
[中]

代码示例

代码示例来源：origin: org.netbeans.api/org-openide-nodes

/** Allows to figure out, whether the node has any
 * PropertyChangeListeners attached.
 * @return True if node has one or more PropertyChangeListeners attached.
 * @since 1.36
 */
protected final boolean hasPropertyChangeListener() {
  return getPropertyChangeListenersCount() > 0;
}

代码示例来源：origin: org.netbeans.api/org-openide-nodes

/** Add a listener to the node's computed Bean properties.
 * @param l the listener
*/
public final void addPropertyChangeListener(PropertyChangeListener l) {
  int count = -1;
  if (err.isLoggable(Level.FINE)) {
    count = getPropertyChangeListenersCount();
  }
  listeners.add(PropertyChangeListener.class, l);
  if (err.isLoggable(Level.FINE)) {
    err.log(
      Level.FINE,
      "ADD - " + getName() + " [" + count + "]->[" + getPropertyChangeListenersCount() + "] " + l
    );
  }
  notifyPropertyChangeListenerAdded(l);
}

代码示例来源：origin: org.netbeans.api/org-openide-nodes

/** Remove a Bean property change listener.
 * @param l the listener
*/
public final void removePropertyChangeListener(PropertyChangeListener l) {
  int count = -1;
  if (err.isLoggable(Level.FINE)) {
    count = getPropertyChangeListenersCount();
  }
  listeners.remove(PropertyChangeListener.class, l);
  if (err.isLoggable(Level.FINE)) {
    err.log(
      Level.FINE,
      "RMV - " + getName() + " [" + count + "]->[" + getPropertyChangeListenersCount() + "] " + l
    );
  }
  notifyPropertyChangeListenerRemoved(l);
}

代码示例来源：origin: net.sf.squirrel-sql.thirdparty-non-maven/openide

/** Allows to figure out, whether the node has any 
 * PropertyChangeListeners attached.
 * @return True if node has one or more PropertyChangeListeners attached.
 * @since 1.36
 */
protected final boolean hasPropertyChangeListener() {
  return getPropertyChangeListenersCount() > 0;
}

代码示例来源：origin: net.sf.squirrel-sql.thirdpary-non-maven/openide

/** Allows to figure out, whether the node has any 
 * PropertyChangeListeners attached.
 * @return True if node has one or more PropertyChangeListeners attached.
 * @since 1.36
 */
protected final boolean hasPropertyChangeListener() {
  return getPropertyChangeListenersCount() > 0;
}

代码示例来源：origin: net.sf.squirrel-sql.thirdpary-non-maven/openide

/** Remove a Bean property change listener.
 * @param l the listener
*/
public final void removePropertyChangeListener (PropertyChangeListener l) {
  int count = -1;
  if (doLog) {
    count = getPropertyChangeListenersCount();
  }
  listeners.remove (PropertyChangeListener.class, l);
  if (doLog) {
    err.log( ErrorManager.INFORMATIONAL, 
      "RMV - " + getName() + " [" + count + "]->[" + 
      getPropertyChangeListenersCount() + "] " + l );
  }
  
  notifyPropertyChangeListenerRemoved( l );
}

代码示例来源：origin: net.sf.squirrel-sql.thirdparty-non-maven/openide

/** Add a listener to the node's computed Bean properties.
 * @param l the listener
*/
public final void addPropertyChangeListener (PropertyChangeListener l) {
  int count = -1;
  
  if (doLog) {
    count = getPropertyChangeListenersCount();
  }
  listeners.add (PropertyChangeListener.class, l);
  
  if (doLog) {
    err.log( ErrorManager.INFORMATIONAL, 
      "ADD - " + getName() + " [" + count + "]->[" + 
      getPropertyChangeListenersCount() + "] " + l );
  }
  notifyPropertyChangeListenerAdded( l );
}

代码示例来源：origin: net.sf.squirrel-sql.thirdparty-non-maven/openide

/** Remove a Bean property change listener.
 * @param l the listener
*/
public final void removePropertyChangeListener (PropertyChangeListener l) {
  int count = -1;
  if (doLog) {
    count = getPropertyChangeListenersCount();
  }
  listeners.remove (PropertyChangeListener.class, l);
  if (doLog) {
    err.log( ErrorManager.INFORMATIONAL, 
      "RMV - " + getName() + " [" + count + "]->[" + 
      getPropertyChangeListenersCount() + "] " + l );
  }
  
  notifyPropertyChangeListenerRemoved( l );
}

代码示例来源：origin: net.sf.squirrel-sql.thirdpary-non-maven/openide

/** Add a listener to the node's computed Bean properties.
 * @param l the listener
*/
public final void addPropertyChangeListener (PropertyChangeListener l) {
  int count = -1;
  
  if (doLog) {
    count = getPropertyChangeListenersCount();
  }
  listeners.add (PropertyChangeListener.class, l);
  
  if (doLog) {
    err.log( ErrorManager.INFORMATIONAL, 
      "ADD - " + getName() + " [" + count + "]->[" + 
      getPropertyChangeListenersCount() + "] " + l );
  }
  notifyPropertyChangeListenerAdded( l );
}