1 files changed, 64 insertions, 0 deletions
diff --git a/lib/iotas/link.rb b/lib/iotas/link.rb
new file mode 100644
index 0000000..b1fd9ba
--- /dev/null
+++ b/lib/iotas/link.rb
@@ -0,0 +1,64 @@
+#! /usr/bin/env ruby
+# -*- coding: UTF-8 -*-
+#
+# Copyright 2012 Jérémy Zurcher <jeremy@asynk.ch>
+#
+# This file is part of iotas.
+#
+# iotas is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# iotas is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with iotas.  If not, see <http://www.gnu.org/licenses/>.
+
+#
+module Iotas
+    #
+    class Link
+        #
+        def initialize src, dsts, fields=nil, cond_fields=nil, cond_value=nil
+            @src = src                      # link source name
+            @dsts = dsts                    # , separated destinations to apply to the particle on linking success
+            @fields = fields                # , separated fields to apply to the particle on linking success
+            @cond_fields = cond_fields      # , separated fields used to generate the link value with particle payload
+            @cond_value = cond_value        # value which will be compared to the particle link value to link or not
+            @door = nil                     # pointer to the source
+        end
+        #
+        def to_json *a
+            {
+                'kls'           => self.class.name,
+                'src'           => @src,
+                'dsts'          => @dsts,
+                'fields'        => @fields,
+                'cond_fields'   => @cond_fields,
+                'cond_value'    => @cond_value
+            }.to_json *a
+        end
+        #
+        def self.json_create o
+            raise Iotas::Exception.new "JSON #{o['kls']} != #{self.name}" if o['kls'] != self.name
+            self.new o['src'], o['dsts'], o['fields'], o['cond_fields'], o['cond_value']
+        end
+        #
+        def self.from_particle_data p
+            Iotas::Link.new(p.get_data(Iotas::LNK_SRC), p.get_data(Iotas::LNK_DSTS),
+                                p.get_data(Iotas::LNK_FIELDS), p.get_data(Iotas::LNK_CONDF),
+                                p.get_data(Iotas::LNK_CONDV))
+        end
+        #
+        attr_accessor :door
+        attr_reader :src, :dsts, :fields, :cond_fields, :cond_value
+        #
+    end
+    #
+end
+#
+# EOF