1 files changed, 44 insertions, 0 deletions
diff --git a/config-provisioning/src/main/java/com/yahoo/config/provision/ApplicationTransaction.java b/config-provisioning/src/main/java/com/yahoo/config/provision/ApplicationTransaction.java
new file mode 100644
index 00000000000..d21f7cfe5ae
--- /dev/null
+++ b/config-provisioning/src/main/java/com/yahoo/config/provision/ApplicationTransaction.java
@@ -0,0 +1,44 @@
+// Copyright Verizon Media. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.config.provision;
+
+import com.yahoo.transaction.Mutex;
+import com.yahoo.transaction.NestedTransaction;
+
+import java.io.Closeable;
+import java.util.Objects;
+
+/**
+ * A transaction which exists while holding the application provision lock.
+ *
+ * @author bratseth
+ */
+public class ApplicationTransaction implements Closeable {
+
+    private final ProvisionLock lock;
+    private final NestedTransaction transaction;
+
+    public ApplicationTransaction(ProvisionLock lock, NestedTransaction transaction) {
+        this.lock = Objects.requireNonNull(lock);
+        this.transaction = Objects.requireNonNull(transaction);
+    }
+
+    public ApplicationId application() { return lock.application(); }
+
+    /** Returns the lock held by this */
+    // Usage of this might indicate we are writing changes directly (outside of the transaction) and should probably be avoided
+    public ProvisionLock lock() { return lock; }
+
+    /** Returns the NestedTransaction of this */
+    public NestedTransaction nested() { return transaction; }
+
+    @Override
+    public void close() {
+        try {
+            transaction.commit();
+        }
+        finally {
+            lock.close();
+        }
+    }
+
+}