Refactor server hosting module, rename it and move it under a hosting dir, and refactor its datastore components into a single component.

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1237740 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 80 insertions, 0 deletions

diff --git a/sca-cpp/trunk/hosting/server/store.py b/sca-cpp/trunk/hosting/server/store.py
new file mode 100644
index 0000000000..014c07050e
--- /dev/null
+++ b/sca-cpp/trunk/hosting/server/store.py
@@ -0,0 +1,80 @@
+#  Licensed to the Apache Software Foundation (ASF) under one
+#  or more contributor license agreements.  See the NOTICE file
+#  distributed with this work for additional information
+#  regarding copyright ownership.  The ASF licenses this file
+#  to you under the Apache License, Version 2.0 (the
+#  "License"); you may not use this file except in compliance
+#  with the License.  You may obtain a copy of the License at
+#  
+#    http://www.apache.org/licenses/LICENSE-2.0
+#    
+#  Unless required by applicable law or agreed to in writing,
+#  software distributed under the License is distributed on an
+#  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+#  KIND, either express or implied.  See the License for the
+#  specific language governing permissions and limitations
+#  under the License.
+
+# stores collection implementation
+from util import *
+
+# Convert a particular store tag to a store id
+def storeid(tag):
+    return ("'store", "'" + tag, "'store.apps")
+
+# Get a store from the cache
+def getstore(id, cache):
+    store = cache.get(id)
+    if isNil(store) or store is None:
+        return ()
+    return store
+
+# Put an app into a store
+def put(key, app, cache):
+    def putapp(app, store):
+        if isNil(store):
+            return app
+        if cadr(caddr(car(app))) == cadr(caddr(car(store))):
+            return cons(car(app), cdr(store))
+        return cons(car(store), putapp(app, cdr(store)))
+
+    tag = car(key)
+    store = putapp(app, getstore(storeid(tag), cache))
+    cache.put(storeid(tag), store)
+    return True
+
+# Get apps from a store
+def get(key, cache):
+    tag = car(key)
+    id = cdr(key)
+
+    def findapp(id, store):
+        if isNil(store):
+            return None
+        if car(id) == cadr(caddr(car(store))):
+            return (car(store),)
+        return findapp(id, cdr(store))
+
+    if isNil(id):
+        return ((("'feed", ("'title", "App Store"), ("'id", tag)) + getstore(storeid(tag), cache)),)
+    return findapp(id, getstore(storeid(tag), cache))
+
+# Delete apps from a store
+def delete(key, cache):
+    tag = car(key)
+    id = cdr(key)
+
+    if isNil(id):
+        return cache.delete(storeid(tag))
+
+    def deleteapp(id, store):
+        if isNil(store):
+            return ()
+        if car(id) == cadr(caddr(car(store))):
+            return cdr(store)
+        return cons(car(store), deleteapp(id, cdr(store)))
+
+    store = deleteapp(id, getstore(storeid(tag), cache))
+    cache.put(storeid(tag), store)
+    return True
+