diff options
Diffstat (limited to 'src/com')
| -rw-r--r-- | src/com/vaadin/ui/AbstractField.java | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/com/vaadin/ui/AbstractField.java b/src/com/vaadin/ui/AbstractField.java index 339741545d..daef4c0ddb 100644 --- a/src/com/vaadin/ui/AbstractField.java +++ b/src/com/vaadin/ui/AbstractField.java @@ -1333,8 +1333,17 @@ public abstract class AbstractField<T> extends AbstractComponent implements } /** + * Returns the internal field value, which might not match the data source + * value e.g. if the field has been modified and is not in write-through + * mode. + * + * This method can be overridden by subclasses together with + * {@link #setInternalValue(Object)} to compute internal field value at + * runtime. When doing so, typically also {@link #isModified()} needs to be + * overridden and care should be taken in the management of the empty state + * and buffering support. * - * @return + * @return internal field value */ protected T getInternalValue() { return value; @@ -1346,6 +1355,8 @@ public abstract class AbstractField<T> extends AbstractComponent implements * It can be overridden by the inheriting classes to update all dependent * variables. * + * Subclasses can also override {@link #getInternalValue()} if necessary. + * * @param newValue * the new value to be set. */ |