From 09afdea42edb658feb3c3353bc469d58ab3aa989 Mon Sep 17 00:00:00 2001
From: kohsuke <kohsuke@71c3de6d-444a-0410-be80-ed276b4c234a>
Date: Sat, 7 Aug 2010 23:02:46 +0000
Subject: [PATCH] Started playing with label expressions.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@33616 71c3de6d-444a-0410-be80-ed276b4c234a
---
 .../main/java/hudson/model/LabelExpression.java   | 15 +++++++++++++++
 core/src/main/java/hudson/model/LabelToken.java   | 13 +++++++++++++
 2 files changed, 28 insertions(+)
 create mode 100644 core/src/main/java/hudson/model/LabelExpression.java
 create mode 100644 core/src/main/java/hudson/model/LabelToken.java

diff --git a/core/src/main/java/hudson/model/LabelExpression.java b/core/src/main/java/hudson/model/LabelExpression.java
new file mode 100644
index 0000000000..0971e326e9
--- /dev/null
+++ b/core/src/main/java/hudson/model/LabelExpression.java
@@ -0,0 +1,15 @@
+package hudson.model;
+
+/**
+ * Boolean expression of labels.
+ * 
+ * @author Kohsuke Kawaguchi
+ * @since 1.COMPOSITELABEL
+ */
+public abstract class LabelExpression extends Label {
+
+
+    public static final class And extends LabelExpression {
+        private final Label lhs,rhs;
+    }
+}
diff --git a/core/src/main/java/hudson/model/LabelToken.java b/core/src/main/java/hudson/model/LabelToken.java
new file mode 100644
index 0000000000..3708556309
--- /dev/null
+++ b/core/src/main/java/hudson/model/LabelToken.java
@@ -0,0 +1,13 @@
+package hudson.model;
+
+/**
+ * Atomic single token label, like "foo" or "bar".
+ * 
+ * @author Kohsuke Kawaguchi
+ * @since 1.COMPOSITELABEL
+ */
+public class LabelToken extends Label {
+    public LabelToken(String name) {
+        super(name);
+    }
+}
-- 
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