Simplify DelayedListenerRegistration functionality

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / utils / ClusterUtils.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/utils/ClusterUtils.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/utils/ClusterUtils.java
index dba17611300e56898094fb0cf5a8b1342f907da5..2fb9cf1cda0663db408e740f6ff94e66e621e307 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/utils/ClusterUtils.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/utils/ClusterUtils.java
@@ -8,19 +8,57 @@
 
 package org.opendaylight.controller.cluster.datastore.utils;
 
+import java.util.Map;
 import org.opendaylight.controller.cluster.access.concepts.MemberName;
 import org.opendaylight.controller.cluster.datastore.identifiers.ShardIdentifier;
 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
+import org.opendaylight.yangtools.yang.common.QName;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Utils for encoding prefix shard name.
  */
 public class ClusterUtils {
+    private static final Logger LOG = LoggerFactory.getLogger(ClusterUtils.class);
+
+    // id for the shard used to store prefix configuration
+    public static final String PREFIX_CONFIG_SHARD_ID = "prefix-configuration-shard";
+
+    public static final QName PREFIX_SHARDS_QNAME =
+            QName.create("urn:opendaylight:params:xml:ns:yang:controller:md:sal:clustering:prefix-shard-configuration",
+                    "2017-01-10", "prefix-shards").intern();
+    public static final QName SHARD_LIST_QNAME =
+            QName.create(PREFIX_SHARDS_QNAME, "shard").intern();
+    public static final QName SHARD_PREFIX_QNAME =
+            QName.create(PREFIX_SHARDS_QNAME, "prefix").intern();
+    public static final QName SHARD_REPLICAS_QNAME =
+            QName.create(PREFIX_SHARDS_QNAME, "replicas").intern();
+    public static final QName SHARD_REPLICA_QNAME =
+            QName.create(PREFIX_SHARDS_QNAME, "replica").intern();
+
+    public static final YangInstanceIdentifier PREFIX_SHARDS_PATH =
+            YangInstanceIdentifier.of(PREFIX_SHARDS_QNAME).toOptimized();
+    public static final YangInstanceIdentifier SHARD_LIST_PATH =
+            PREFIX_SHARDS_PATH.node(SHARD_LIST_QNAME).toOptimized();
 
     public static ShardIdentifier getShardIdentifier(final MemberName memberName, final DOMDataTreeIdentifier prefix) {
-        return ShardIdentifier
-                .create(getCleanShardName(prefix.getRootIdentifier()), memberName, prefix.getDatastoreType().name());
+        final String type;
+        switch (prefix.getDatastoreType()) {
+            case OPERATIONAL:
+                type = "operational";
+                break;
+            case CONFIGURATION:
+                type = "config";
+                break;
+            default:
+                type = prefix.getDatastoreType().name();
+                LOG.warn("Unknown data store type {}", type);
+        }
+
+        return ShardIdentifier.create(getCleanShardName(prefix.getRootIdentifier()), memberName, type);
     }
 
     /**
@@ -31,10 +69,25 @@ public class ClusterUtils {
      * @return encoded name that doesn't contain characters that cannot be in actor path.
      */
     public static String getCleanShardName(final YangInstanceIdentifier path) {
+        if (path.isEmpty()) {
+            return "default";
+        }
+
         final StringBuilder builder = new StringBuilder();
         // TODO need a better mapping that includes namespace, but we'll need to cleanup the string beforehand
+        // we have to fight both javax and akka url path restrictions..
         path.getPathArguments().forEach(p -> {
             builder.append(p.getNodeType().getLocalName());
+            if (p instanceof NodeIdentifierWithPredicates) {
+                builder.append("-key_");
+                final Map<QName, Object> key = ((NodeIdentifierWithPredicates) p).getKeyValues();
+                key.entrySet().forEach(e -> {
+                    builder.append(e.getKey().getLocalName());
+                    builder.append(e.getValue());
+                    builder.append("-");
+                });
+                builder.append("_");
+            }
             builder.append("!");
         });
         return builder.toString();