Split out TransactionContext classes

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

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 c6928815938058dbddc7bdb8b920c60fa2e0f7da..5053d47f84e6fff6f0ab8aa33521dc23fbf45e4d 100644 (file)
--- 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
@@ -9,13 +9,18 @@
 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 {
+    // This pattern needs to remain in sync with toString(), which produces
+    // strings with corresponding to "%s-shard-%s-%s"
+    private static final Pattern PATTERN = Pattern.compile("(\\S+)-shard-(\\S+)-(\\S+)");
+
     private final String shardName;
     private final String memberName;
     private final String type;
 
-
     public ShardIdentifier(String shardName, String memberName, String type) {
 
         Preconditions.checkNotNull(shardName, "shardName should not be null");
@@ -60,15 +65,31 @@ 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 +114,15 @@ 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;
+        }
     }
 }