diff options
Diffstat (limited to 'server/src/com/vaadin/data/util/TransactionalPropertyWrapper.java')
-rw-r--r-- | server/src/com/vaadin/data/util/TransactionalPropertyWrapper.java | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/server/src/com/vaadin/data/util/TransactionalPropertyWrapper.java b/server/src/com/vaadin/data/util/TransactionalPropertyWrapper.java index 6b0119c503..c3cef6a0ec 100644 --- a/server/src/com/vaadin/data/util/TransactionalPropertyWrapper.java +++ b/server/src/com/vaadin/data/util/TransactionalPropertyWrapper.java @@ -1,5 +1,5 @@ /* - * Copyright 2000-2013 Vaadin Ltd. + * Copyright 2000-2014 Vaadin Ltd. * * 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 @@ -48,18 +48,32 @@ public class TransactionalPropertyWrapper<T> extends AbstractProperty<T> private boolean inTransaction = false; private boolean valueChangePending; private T valueBeforeTransaction; + private final ValueChangeListener listener = new ValueChangeListener() { + + @Override + public void valueChange(ValueChangeEvent event) { + fireValueChange(); + } + }; public TransactionalPropertyWrapper(Property<T> wrappedProperty) { this.wrappedProperty = wrappedProperty; if (wrappedProperty instanceof ValueChangeNotifier) { ((ValueChangeNotifier) wrappedProperty) - .addListener(new ValueChangeListener() { + .addValueChangeListener(listener); + } + } - @Override - public void valueChange(ValueChangeEvent event) { - fireValueChange(); - } - }); + /** + * Removes the ValueChangeListener from wrapped Property that was added by + * TransactionalPropertyWrapper. + * + * @since 7.1.15 + */ + public void detachFromProperty() { + if (wrappedProperty instanceof ValueChangeNotifier) { + ((ValueChangeNotifier) wrappedProperty) + .removeValueChangeListener(listener); } } |