BUG-3335 Add keepalive mechanism to netconf-connector

[controller.git] / opendaylight / md-sal / sal-netconf-connector / src / main / java / org / opendaylight / controller / sal / connect / netconf / util / NetconfMessageTransformUtil.java

diff --git a/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/util/NetconfMessageTransformUtil.java b/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/util/NetconfMessageTransformUtil.java
index ca1531b896b70eaa5bc050dcea76b307ccb766b6..a547eb08911dd9b2d7b58e399cba6e9559ad20f1 100644 (file)
--- a/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/util/NetconfMessageTransformUtil.java
+++ b/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/util/NetconfMessageTransformUtil.java
@@ -144,6 +144,20 @@ public class NetconfMessageTransformUtil {
     public static final ContainerNode CREATE_SUBSCRIPTION_RPC_CONTENT =
             Builders.containerBuilder().withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(CREATE_SUBSCRIPTION_RPC_QNAME)).build();
 
     public static final ContainerNode CREATE_SUBSCRIPTION_RPC_CONTENT =
             Builders.containerBuilder().withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(CREATE_SUBSCRIPTION_RPC_QNAME)).build();
 

+    public static final DataContainerChild<?, ?> EMPTY_FILTER;
+
+    static {
+        final NormalizedNodeAttrBuilder<YangInstanceIdentifier.NodeIdentifier, DOMSource, AnyXmlNode> anyXmlBuilder = Builders.anyXmlBuilder().withNodeIdentifier(toId(NETCONF_FILTER_QNAME));
+        anyXmlBuilder.withAttributes(Collections.singletonMap(NETCONF_TYPE_QNAME, SUBTREE));
+
+        final Element element = XmlUtil.createElement(BLANK_DOCUMENT, NETCONF_FILTER_QNAME.getLocalName(), Optional.of(NETCONF_FILTER_QNAME.getNamespace().toString()));
+        element.setAttributeNS(NETCONF_FILTER_QNAME.getNamespace().toString(), NETCONF_TYPE_QNAME.getLocalName(), "subtree");
+
+        anyXmlBuilder.withValue(new DOMSource(element));
+
+        EMPTY_FILTER = anyXmlBuilder.build();
+    }
+

     public static DataContainerChild<?, ?> toFilterStructure(final YangInstanceIdentifier identifier, final SchemaContext ctx) {
         final NormalizedNodeAttrBuilder<YangInstanceIdentifier.NodeIdentifier, DOMSource, AnyXmlNode> anyXmlBuilder = Builders.anyXmlBuilder().withNodeIdentifier(toId(NETCONF_FILTER_QNAME));
         anyXmlBuilder.withAttributes(Collections.singletonMap(NETCONF_TYPE_QNAME, SUBTREE));
     public static DataContainerChild<?, ?> toFilterStructure(final YangInstanceIdentifier identifier, final SchemaContext ctx) {
         final NormalizedNodeAttrBuilder<YangInstanceIdentifier.NodeIdentifier, DOMSource, AnyXmlNode> anyXmlBuilder = Builders.anyXmlBuilder().withNodeIdentifier(toId(NETCONF_FILTER_QNAME));
         anyXmlBuilder.withAttributes(Collections.singletonMap(NETCONF_TYPE_QNAME, SUBTREE));