#8500, #3557 Added HasComponents (Iterable<Component>) that must be

implemented by all components containing components.

This might still change when #2924/#2527 is fixed

1 files changed, 24 insertions, 0 deletions

diff --git a/src/com/vaadin/ui/HasComponents.java b/src/com/vaadin/ui/HasComponents.java
new file mode 100644
index 0000000000..e6f71fb3ed
--- /dev/null
+++ b/src/com/vaadin/ui/HasComponents.java
@@ -0,0 +1,24 @@
+package com.vaadin.ui;
+
+import java.util.Iterator;
+
+/**
+ * Interface that must be implemented by all {@link Component}s that contain
+ * other {@link Component}s.
+ * 
+ * @author Vaadin Ltd
+ * @version @VERSION@
+ * @since 7.0.0
+ * 
+ */
+public interface HasComponents extends Component, Iterable<Component> {
+    /**
+     * Gets an iterator to the collection of contained components. Using this
+     * iterator it is possible to step through all components contained in this
+     * container.
+     * 
+     * @return the component iterator.
+     */
+    public Iterator<Component> getComponentIterator();
+
+}