From 4c9206d8119d1131e248419c7e1ba669c396b89b Mon Sep 17 00:00:00 2001
From: Jon Bratseth <bratseth@gmail.com>
Date: Wed, 15 Feb 2023 13:52:23 +0100
Subject: Exchange BCP info WIP

---
 vespajlib/src/main/java/com/yahoo/slime/Inspector.java | 5 +++++
 vespajlib/src/main/java/com/yahoo/slime/Value.java     | 6 ++++++
 2 files changed, 11 insertions(+)

(limited to 'vespajlib')

diff --git a/vespajlib/src/main/java/com/yahoo/slime/Inspector.java b/vespajlib/src/main/java/com/yahoo/slime/Inspector.java
index d72a8888b2c..948a810a39e 100644
--- a/vespajlib/src/main/java/com/yahoo/slime/Inspector.java
+++ b/vespajlib/src/main/java/com/yahoo/slime/Inspector.java
@@ -1,6 +1,8 @@
 // Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
 package com.yahoo.slime;
 
+import java.util.function.Consumer;
+
 /**
  * Interface for read-only access to any value or object that is part
  * of a Slime. You can access meta-data such as validity and actual
@@ -17,6 +19,9 @@ public interface Inspector {
     /** check if this inspector is valid */
     boolean valid();
 
+    /** Invoke the given consumer with this value if it is valid */
+    void ifValid(Consumer<Inspector> consumer);
+
     /** return an enum describing value type */
     Type type();
 
diff --git a/vespajlib/src/main/java/com/yahoo/slime/Value.java b/vespajlib/src/main/java/com/yahoo/slime/Value.java
index 6fb267ab9bb..053b06b97c4 100644
--- a/vespajlib/src/main/java/com/yahoo/slime/Value.java
+++ b/vespajlib/src/main/java/com/yahoo/slime/Value.java
@@ -3,6 +3,7 @@ package com.yahoo.slime;
 
 import java.io.ByteArrayOutputStream;
 import java.util.Arrays;
+import java.util.function.Consumer;
 
 /**
  * Common implementation for all value types.
@@ -17,6 +18,11 @@ abstract class Value implements Cursor {
     private static final byte[] emptyData = new byte[0];
 
     public final boolean valid() { return this != NixValue.invalid(); }
+
+    public final void ifValid(Consumer<Inspector> consumer) {
+        if (valid()) consumer.accept(this);
+    }
+
     public int children() { return 0; }
     public int entries() { return 0; }
     public int fields() { return 0; }
-- 
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