1 files changed, 22 insertions, 0 deletions
diff --git a/src/main/java/bjc/data/TopDownTransformResult.java b/src/main/java/bjc/data/TopDownTransformResult.java
new file mode 100644
index 0000000..0633cec
--- /dev/null
+++ b/src/main/java/bjc/data/TopDownTransformResult.java
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+package bjc.data;
+
+/**
+ * Represents the results for doing a top-down transform of a tree.
+ *
+ * @author ben
+ *
+ */
+public enum TopDownTransformResult {
+	/** Do not do anything to this node, and ignore its children. */
+	SKIP,
+	/** Transform this node, and don't touch its children. */
+	TRANSFORM,
+	/** Transform this node, then recursively transform the result. */
+	RTRANSFORM,
+	/** Ignore this node, and traverse its children. */
+	PASSTHROUGH,
+	/** Traverse the nodes of this children, then transform it. */
+	PUSHDOWN,
+	/** Transform this node, then traverse its children. */
+	PULLUP;
+}