From 7389a6fa52a2fedf19ff3c4f83f512fe86c61113 Mon Sep 17 00:00:00 2001
From: Nick Nassar <nicholas.nassar@lightspeedhq.com>
Date: Mon, 24 May 2021 13:07:10 -0400
Subject: [PATCH] Add a profile string to the AppendOnlyStoreBuilder

This prevents name collisions when swapping between stores on the fly
---
 .../uppend/AppendOnlyStoreBuilder.java        | 26 ++++++++++++++++---
 1 file changed, 22 insertions(+), 4 deletions(-)

diff --git a/src/main/java/com/upserve/uppend/AppendOnlyStoreBuilder.java b/src/main/java/com/upserve/uppend/AppendOnlyStoreBuilder.java
index 676c9cde..7dde71ed 100644
--- a/src/main/java/com/upserve/uppend/AppendOnlyStoreBuilder.java
+++ b/src/main/java/com/upserve/uppend/AppendOnlyStoreBuilder.java
@@ -45,17 +45,35 @@ public AppendOnlyStoreBuilder withCacheBuffers(boolean cacheBuffers) {
     }
 
     public AppendOnlyStore build() {
-        return build(false);
+        return build(false, null);
     }
 
-    public AppendOnlyStore build(boolean readOnly) {
+
+    /**
+     * Constructs the store
+     *
+     * @param readOnly  make the store readonly?
+     * @param storeProfile Identifier to use for metrics. This should be unique to the server instance to avoid
+     *                     name collisions when registering metrics
+     * @return the new store
+     */
+    public AppendOnlyStore build(boolean readOnly, String storeProfile) {
+        String rootName = getMetricsRootName();
+        if (null != storeProfile) {
+            rootName = rootName+ "." + storeProfile;
+        }
+        if (readOnly) rootName = rootName + ".readonly";
         AppendOnlyStore store = new FileAppendOnlyStore(readOnly, this);
-        if (isStoreMetrics()) store = new AppendOnlyStoreWithMetrics(store, getStoreMetricsRegistry(), getMetricsRootName());
+        if (isStoreMetrics()) store = new AppendOnlyStoreWithMetrics(store, getStoreMetricsRegistry(), rootName);
         return store;
     }
 
+    public AppendOnlyStore build(boolean readOnly) {
+        return build(readOnly, null);
+    }
+
     public ReadOnlyAppendOnlyStore buildReadOnly() {
-        return build(true);
+        return build(true, null);
     }
 
     public int getBlobsPerBlock() {