From 77ea8b7e2db38877bc9e48336778b3d6906791b5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9my=20Zurcher?= <jeremy@asynk.ch>
Date: Thu, 28 Jun 2012 14:48:01 +0200
Subject: examles links: is JSON ready now

---
 examples/links.json | 96 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 examples/links.rb   | 34 ++++++++++++++++---
 2 files changed, 126 insertions(+), 4 deletions(-)
 create mode 100644 examples/links.json

diff --git a/examples/links.json b/examples/links.json
new file mode 100644
index 0000000..19959d6
--- /dev/null
+++ b/examples/links.json
@@ -0,0 +1,96 @@
+{
+  "kls": "Edoors::Spin",
+  "timestamp": "2012-06-28 14:43:36 +0200",
+  "name": "dom0",
+  "hibernation": false,
+  "inner_room": {
+    "iotas": {
+      "input": {
+        "kls": "FileReader",
+        "name": "input",
+        "filepath": "./examples/data.json"
+      },
+      "age_filter": {
+        "kls": "Filter",
+        "name": "age_filter"
+      },
+      "output_f": {
+        "kls": "OutputDoor",
+        "name": "output_f",
+        "title": "woman"
+      },
+      "output_m": {
+        "kls": "OutputDoor",
+        "name": "output_m",
+        "title": "man"
+      },
+      "output_child": {
+        "kls": "OutputDoor",
+        "name": "output_child",
+        "title": "child"
+      },
+      "output_parent": {
+        "kls": "OutputDoor",
+        "name": "output_parent",
+        "title": "parent"
+      }
+    },
+    "links": {
+      "input": [
+        {
+          "kls": "Edoors::Link",
+          "src": "input",
+          "dsts": "age_filter",
+          "keys": null,
+          "value": null
+        }
+      ],
+      "age_filter": [
+        {
+          "kls": "Edoors::Link",
+          "src": "age_filter",
+          "dsts": "output_f",
+          "keys": null,
+          "value": {
+            "sex": "f"
+          }
+        },
+        {
+          "kls": "Edoors::Link",
+          "src": "age_filter",
+          "dsts": "output_m",
+          "keys": null,
+          "value": {
+            "sex": "m"
+          }
+        },
+        {
+          "kls": "Edoors::Link",
+          "src": "age_filter",
+          "dsts": "output_child",
+          "keys": null,
+          "value": {
+            "old": false
+          }
+        },
+        {
+          "kls": "Edoors::Link",
+          "src": "age_filter",
+          "dsts": "output_parent",
+          "keys": null,
+          "value": {
+            "old": true
+          }
+        }
+      ]
+    }
+  },
+  "sys_fifo": [
+
+  ],
+  "app_fifo": [
+
+  ],
+  "debug_garbage": false,
+  "debug_routing": false
+}
diff --git a/examples/links.rb b/examples/links.rb
index b21a2e4..c5d80f5 100644
--- a/examples/links.rb
+++ b/examples/links.rb
@@ -6,16 +6,29 @@
 # run this script which builds the example system and spin it untill it's empty:
 #   $ ruby -Ilib examples/links.rb
 #
+# or load the system from a JSON specification ( created with dom0.hibernate! )
+#   $ ruby -Ilib -r ./examples/links.rb bin/edoors.rb examples/links.json
+#
+#
 require 'edoors'
 #
 class FileReader < Edoors::Door
     #
-    def initialize n, p, path
+    def initialize n, p, path=nil
         super n, p
-        @file = File.open(path,'r')
+        @filepath = path
+    end
+    #
+    def hibernate!
+        {'filepath'=>@filepath}
+    end
+    #
+    def resume! o
+        @filepath = o['filepath']
     end
     #
     def start!
+        @file = File.open(@filepath,'r')
         # stimulate myself on system boot up
         send_p require_p(Edoors::Particle), Edoors::ACT_GET
     end
@@ -29,7 +42,7 @@ class FileReader < Edoors::Door
             # see Room#_send and Room#_try_links
             send_p p
             # stimulate myself
-            start!
+            send_p require_p(Edoors::Particle), Edoors::ACT_GET
         end
     end
     #
@@ -52,11 +65,19 @@ end
 #
 class OutputDoor < Edoors::Door
     #
-    def initialize n, p, t
+    def initialize n, p, t=nil
         super n, p
         @title = t
     end
     #
+    def hibernate!
+        {'title'=>@title}
+    end
+    #
+    def resume! o
+        @title = o['title']
+    end
+    #
     def receive_p p
         if p.action!=Edoors::ACT_ERROR
             p = p.get_data('person')
@@ -90,6 +111,11 @@ if $0 == __FILE__
     # schedule the spinning particles untill the system cools down
     dom0.spin!
     #
+    # you can save the system state after it's run,
+    # but to be able to use it to bootstrap, the hibernation attribute must be set to false
+    # otherwise start! method is not called
+    dom0.hibernate! 'links.json'
+    #
 end
 #
 # EOF
-- 
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