ovidiu 02/03/23 23:38:32
Modified: src/scratchpad/schecoon/src/org/apache/cocoon/components/flow
WebContinuation.java
Log:
Implement getContinuation(int) which retrieves the ancestor
continuations.
Revision Changes Path
1.2 +23 -1
xml-cocoon2/src/scratchpad/schecoon/src/org/apache/cocoon/components/flow/WebContinuation.java
Index: WebContinuation.java
===================================================================
RCS file:
/home/cvs/xml-cocoon2/src/scratchpad/schecoon/src/org/apache/cocoon/components/flow/WebContinuation.java,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- WebContinuation.java 21 Mar 2002 23:19:04 -0000 1.1
+++ WebContinuation.java 24 Mar 2002 07:38:32 -0000 1.2
@@ -87,7 +87,29 @@
}
/**
- * Return the parent <code>WebContinuation</code>.
+ * Return the ancestor continuation situated <code>level</code>s
+ * above the current continuation. The current instance is
+ * considered to be at level 0. The parent continuation of the
+ * receiving instance at level 1, its parent is at level 2 relative
+ * to the receiving instance. If <code>level</code> is bigger than
+ * the depth of the tree, the root of the tree is returned.
+ *
+ * @param level an <code>int</code> value
+ * @return a <code>WebContinuation</code> value
+ */
+ public WebContinuation getContinuation(int level)
+ {
+ if (level <= 0)
+ return this;
+ else if (parentContinuation == null)
+ return this;
+ else
+ return parentContinuation.getContinuation(level - 1);
+ }
+
+ /**
+ * Return the parent <code>WebContinuation</code>. Equivalent with
+ * <code>getContinuation(1)</code>.
*
* @return a <code>WebContinuation</code> value
*/
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