--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebServiceToolWorkflow/lib/SAWADLParser/src/javax/wadls/PreCondition.java	Tue Jun 07 18:00:50 2011 -0400
@@ -0,0 +1,49 @@
+
+package javax.wadls;
+
+
+
+import org.w3c.dom.Element;
+
+/**
+ * This interface represents a precondition.
+ *
+ * @author Zixin Wu
+ */
+public interface PreCondition extends java.io.Serializable,ModelReferenceExtensible
+{
+		
+	/**
+	 * Set the expression of this precondition.
+	 *
+	 * @param expression The desired expression.
+	 */
+	public void setExpression(String expression);
+	
+	/**
+	 * Get the expression of this precondition.
+	 *
+	 * @return The expression.
+	 */
+	public String getExpression();
+	
+    public void setName(String name);
+	
+	/**
+	 * Get the name of this precondition.
+	 *
+	 * @return the precondition name
+	 */
+	public String getName();
+	
+	public void setDocumentationElement(Element docEl);
+	
+	/**
+	 * Get the documentation element. This dependency on org.w3c.dom.Element
+	 * should eventually be removed when a more appropriate way of
+	 * representing this information is employed.
+	 *
+	 * @return the documentation element
+	 */
+	public Element getDocumentationElement();
+}