X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2Fidentifiers%2FShardIdentifier.java;h=d65af61ba3f8a957b6f67bdc355035fa93297431;hb=95d1074f7f446784f76dc41525cecdb65688df6c;hp=c6928815938058dbddc7bdb8b920c60fa2e0f7da;hpb=bc7b4edec3c868a14e0a0de3a3b8e1af2406448b;p=controller.git

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/identifiers/ShardIdentifier.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/identifiers/ShardIdentifier.java
index c692881593..d65af61ba3 100644
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/identifiers/ShardIdentifier.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/identifiers/ShardIdentifier.java
@@ -10,11 +10,17 @@ package org.opendaylight.controller.cluster.datastore.identifiers;
 
 import com.google.common.base.Preconditions;
 
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
 public class ShardIdentifier {
     private final String shardName;
     private final String memberName;
     private final String type;
 
+    //format and pattern should be in sync
+    private final String format = "%s-shard-%s-%s";
+    private static final Pattern pattern = Pattern.compile("(\\S+)-shard-(\\S+)-(\\S+)");
 
     public ShardIdentifier(String shardName, String memberName, String type) {
 
@@ -60,15 +66,31 @@ public class ShardIdentifier {
     }
 
     @Override public String toString() {
-        StringBuilder builder = new StringBuilder();
-        builder.append(memberName).append("-shard-").append(shardName).append("-").append(type);
-        return builder.toString();
+        //ensure the output of toString matches the pattern above
+        return new StringBuilder(memberName)
+                    .append("-shard-")
+                    .append(shardName)
+                    .append("-")
+                    .append(type)
+                    .toString();
     }
 
     public static Builder builder(){
         return new Builder();
     }
 
+    public String getShardName() {
+        return shardName;
+    }
+
+    public String getMemberName() {
+        return memberName;
+    }
+
+    public String getType() {
+        return type;
+    }
+
     public static class Builder {
         private String shardName;
         private String memberName;
@@ -93,5 +115,15 @@ public class ShardIdentifier {
             return this;
         }
 
+        public Builder fromShardIdString(String shardId){
+            Matcher matcher = pattern.matcher(shardId);
+
+            if (matcher.matches()) {
+                memberName = matcher.group(1);
+                shardName = matcher.group(2);
+                type = matcher.group(3);
+            }
+            return this;
+        }
     }
 }