parallelised service endpoint discovery and ensured that old threads are destroyed...

[jalview.git] / src / jalview / gui / JalviewChangeSupport.java

diff --git a/src/jalview/gui/JalviewChangeSupport.java b/src/jalview/gui/JalviewChangeSupport.java
new file mode 100644 (file)
index 0000000..371beac
--- /dev/null
+++ b/src/jalview/gui/JalviewChangeSupport.java
@@ -0,0 +1,70 @@
+package jalview.gui;
+
+import java.beans.PropertyChangeEvent;
+import java.beans.PropertyChangeListener;
+
+public class JalviewChangeSupport implements PropertyChangeListener
+{
+  public void propertyChange(PropertyChangeEvent evt)
+  {
+    // Handle change events - most are simply routed to other sources
+    changeSupport.firePropertyChange(evt);
+  }
+
+  /**
+   * change listeners are notified of changes to resources so they can update
+   * their state. E.g. - the 'services' property notifies when the available
+   * set of web service endpoints have changed.
+   */
+  private java.beans.PropertyChangeSupport changeSupport = new java.beans.PropertyChangeSupport(
+          this);
+
+  /**
+   * @param propertyName
+   * @param listener
+   * @see java.beans.PropertyChangeSupport#addPropertyChangeListener(java.lang.String,
+   *      java.beans.PropertyChangeListener)
+   */
+  public void addJalviewPropertyChangeListener(String propertyName,
+          PropertyChangeListener listener)
+  {
+    changeSupport.addPropertyChangeListener(propertyName, listener);
+  }
+
+  /**
+   * @param listener
+   * @see java.beans.PropertyChangeSupport#addPropertyChangeListener(java.beans.PropertyChangeListener)
+   */
+  public void addJalviewPropertyChangeListener(
+          PropertyChangeListener listener)
+  {
+    changeSupport.addPropertyChangeListener(listener);
+  }
+
+  /*
+   * @param propertyName
+   * 
+   * @param oldValue
+   * 
+   * @param newValue
+   * 
+   * @see
+   * java.beans.PropertyChangeSupport#firePropertyChange(java.lang.String,
+   * java.lang.Object, java.lang.Object) public void firePropertyChange(String
+   * propertyName, Object oldValue, Object newValue) {
+   * changeSupport.firePropertyChange(propertyName, oldValue, newValue); }
+   */
+
+  /**
+   * @param propertyName
+   * @param listener
+   * @see java.beans.PropertyChangeSupport#removePropertyChangeListener(java.lang.String,
+   *      java.beans.PropertyChangeListener)
+   */
+  public void removeJalviewPropertyChangeListener(String propertyName,
+          PropertyChangeListener listener)
+  {
+    changeSupport.removePropertyChangeListener(propertyName, listener);
+  }
+
+}
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