--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pyikriam/lazy/www/work/__init__.py	Wed Oct 22 04:04:32 2008 +0800
@@ -0,0 +1,52 @@
+from lazy.www.work.fetch import Fetcher
+from lazy.www.work.find import Finder
+from lazy.www.core import SemiProduct
+class WorkFlow:
+    
+    serial_number = 0
+    working_product = None
+    worker = None
+    
+    def __init__(self, worker):
+        self.set_worker(worker)
+
+    def set_worker(self, worker):
+        self.worker = worker
+        if self.worker.working_product is None:
+            self.working_product = SemiProduct()
+        else:
+            self.working_product = self.worker.working_product
+    
+    def get_content(self):
+        return self.working_product.content
+     
+    def change_worker(self, new_worker):
+        self.serial_number += 1
+        self.worker = new_worker
+        
+    def is_fetcher(self, obj):
+        if  obj is not None:    return True
+    
+    def get(self, data = {} ):
+        if not self.is_fetcher(self.worker) :
+            self.change_worker( Fetcher(self.working_product) )
+        
+        self.working_product.content = self.worker.get(data)
+        return self
+            
+    def post(self, data = {} ):
+        if not self.is_fetcher(self.worker):
+            self.change_worker( Fetcher(self.working_product) )
+        
+        self.working_product.content = self.worker.post(data)
+        return self
+    
+    def is_finder(self, obj):
+        if obj is not None: return True
+    
+    def find(self, express):
+        #if not self.is_finder(self.worker):
+        self.worker = Finder(self.working_product)
+        self.working_product.content = self.worker.find(express)
+        
+        return self
\ No newline at end of file