HONEYCOMB-61: Add context data tree

For storing mapping related context necessary for the plugins
Add naming context adapter to store naming contexts in the data tree

+ Enable persistence for context data tree

Change-Id: I2ac531e80e71a48d313b065997d134da2ae7ee12
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>

3 files changed, 89 insertions, 4 deletions

diff --git a/v3po/impl/pom.xml b/v3po/impl/pom.xml
index 053e0ffc4..6db420bef 100644
--- a/v3po/impl/pom.xml
+++ b/v3po/impl/pom.xml
@@ -111,6 +111,11 @@
                   <classifier>netconf</classifier>
                 </artifact>
                 <artifact>
+                  <file>src/main/config/context-datatree-config.xml</file>
+                  <type>xml</type>
+                  <classifier>context</classifier>
+                </artifact>
+                <artifact>
                   <file>src/main/config/restconf-north-config.xml</file>
                   <type>xml</type>
                   <classifier>restconf</classifier>
diff --git a/v3po/impl/src/main/config/context-datatree-config.xml b/v3po/impl/src/main/config/context-datatree-config.xml
new file mode 100644
index 000000000..c9f9902f3
--- /dev/null
+++ b/v3po/impl/src/main/config/context-datatree-config.xml
@@ -0,0 +1,79 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright (c) 2016 Cisco and/or its affiliates.
+  ~
+  ~ Licensed 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.
+  -->
+
+<!-- vi: set et smarttab sw=4 tabstop=4: -->
+
+<snapshot>
+  <required-capabilities>
+      <capability>urn:opendaylight:params:xml:ns:yang:v3po:impl?module=v3po-impl&amp;revision=2014-12-10</capability>
+      <capability>urn:honeycomb:params:xml:ns:yang:translate:utils?module=translate-utils&amp;revision=2016-04-06</capability>
+      <capability>urn:honeycomb:params:xml:ns:yang:vpp:jvpp:cfg?module=vpp-jvpp-cfg&amp;revision=2016-04-06</capability>
+      <capability>urn:honeycomb:params:xml:ns:yang:vpp:data:init?module=vpp-cfg-init&amp;revision=2016-04-07</capability>
+      <capability>urn:honeycomb:params:xml:ns:yang:data:api?module=data-api&amp;revision=2016-04-11</capability>
+      <capability>urn:honeycomb:params:xml:ns:yang:data:impl?module=data-impl&amp;revision=2016-04-11</capability>
+      <capability>urn:opendaylight:params:xml:ns:yang:controller:md:sal:binding?module=opendaylight-md-sal-binding&amp;revision=2013-10-28</capability>
+  </required-capabilities>
+  <configuration>
+
+    <data xmlns="urn:ietf:params:xml:ns:netconf:base:1.0">
+      <modules xmlns="urn:opendaylight:params:xml:ns:yang:controller:config">
+
+        <!-- TODO provide information stored in context data-tree to users as part of operational data -->
+        <!-- In-memory data tree for context(special data required for YANG <-> VPP mapping) data -->
+        <module>
+          <type xmlns:prefix="urn:honeycomb:params:xml:ns:yang:data:impl">prefix:inmemory-data-tree</type>
+          <name>inmemory-context-data-tree</name>
+          <schema-service>
+            <type xmlns:dom="urn:opendaylight:params:xml:ns:yang:controller:md:sal:dom">dom:schema-service</type>
+            <name>yang-schema-service</name>
+          </schema-service>
+          <type xmlns="urn:honeycomb:params:xml:ns:yang:data:impl">oper</type>
+        </module>
+
+        <!-- DataTree adapter with persistence for context DT -->
+        <module>
+          <type xmlns:prefix="urn:honeycomb:params:xml:ns:yang:data:impl">prefix:persisting-data-tree-adapter</type>
+          <name>inmemory-persisted-context-data-tree</name>
+          <delegate>
+            <type xmlns:prefix="urn:honeycomb:params:xml:ns:yang:data:api">prefix:data-tree</type>
+            <name>inmemory-context-data-tree</name>
+          </delegate>
+          <schema-service>
+            <type xmlns:dom="urn:opendaylight:params:xml:ns:yang:controller:md:sal:dom">dom:schema-service</type>
+            <name>yang-schema-service</name>
+          </schema-service>
+          <persist-file-path>etc/opendaylight/honeycomb/context.json</persist-file-path>
+        </module>
+      </modules>
+      <services xmlns="urn:opendaylight:params:xml:ns:yang:controller:config">
+        <service>
+          <type xmlns:prefix="urn:honeycomb:params:xml:ns:yang:data:api">prefix:data-tree</type>
+          <instance>
+            <name>inmemory-context-data-tree</name>
+            <provider>/modules/module[type='inmemory-data-tree'][name='inmemory-context-data-tree']
+            </provider>
+          </instance>
+          <instance>
+            <name>inmemory-persisted-context-data-tree</name>
+            <provider>/modules/module[type='persisting-data-tree-adapter'][name='inmemory-persisted-context-data-tree']
+            </provider>
+          </instance>
+        </service>
+      </services>
+    </data>
+  </configuration>
+</snapshot>
diff --git a/v3po/impl/src/main/config/default-config.xml b/v3po/impl/src/main/config/default-config.xml
index 61fe1c68d..89e1f7ce2 100644
--- a/v3po/impl/src/main/config/default-config.xml
+++ b/v3po/impl/src/main/config/default-config.xml
@@ -20,6 +20,7 @@
       <capability>urn:honeycomb:params:xml:ns:yang:translate:utils?module=translate-utils&amp;revision=2016-04-06</capability>
       <capability>urn:honeycomb:params:xml:ns:yang:vpp:jvpp:cfg?module=vpp-jvpp-cfg&amp;revision=2016-04-06</capability>
       <capability>urn:honeycomb:params:xml:ns:yang:vpp:data:init?module=vpp-cfg-init&amp;revision=2016-04-07</capability>
+      <capability>urn:honeycomb:params:xml:ns:yang:data:api?module=data-api&amp;revision=2016-04-11</capability>
       <capability>urn:honeycomb:params:xml:ns:yang:data:impl?module=data-impl&amp;revision=2016-04-11</capability>
       <capability>urn:opendaylight:params:xml:ns:yang:controller:md:sal:binding?module=opendaylight-md-sal-binding&amp;revision=2013-10-28</capability>
   </required-capabilities>
@@ -53,7 +54,7 @@
           <type xmlns:prefix="urn:honeycomb:params:xml:ns:yang:data:impl">prefix:persisting-data-tree-adapter</type>
           <name>inmemory-persisted-config-data-tree</name>
           <delegate>
-            <type xmlns:prefix="urn:honeycomb:params:xml:ns:yang:data:impl">prefix:data-tree</type>
+            <type xmlns:prefix="urn:honeycomb:params:xml:ns:yang:data:api">prefix:data-tree</type>
             <name>inmemory-config-data-tree</name>
           </delegate>
           <schema-service>
@@ -75,7 +76,7 @@
           <!--</data-tree>-->
           <!-- With persistence -->
           <data-tree>
-            <type xmlns:prefix="urn:honeycomb:params:xml:ns:yang:data:impl">prefix:data-tree</type>
+            <type xmlns:prefix="urn:honeycomb:params:xml:ns:yang:data:api">prefix:data-tree</type>
             <name>inmemory-persisted-config-data-tree</name>
           </data-tree>
 
@@ -220,7 +221,7 @@
           <!--</data-tree>-->
           <!-- With persistence -->
           <data-tree>
-            <type xmlns:prefix="urn:honeycomb:params:xml:ns:yang:data:impl">prefix:data-tree</type>
+            <type xmlns:prefix="urn:honeycomb:params:xml:ns:yang:data:api">prefix:data-tree</type>
             <name>inmemory-persisted-config-data-tree</name>
           </data-tree>
 
@@ -336,7 +337,7 @@
         </service>
 
         <service>
-          <type xmlns:prefix="urn:honeycomb:params:xml:ns:yang:data:impl">prefix:data-tree</type>
+          <type xmlns:prefix="urn:honeycomb:params:xml:ns:yang:data:api">prefix:data-tree</type>
           <instance>
             <name>inmemory-config-data-tree</name>
             <provider>/modules/module[type='inmemory-data-tree'][name='inmemory-config-data-tree']