1 files changed, 43 insertions, 0 deletions
diff --git a/vespajlib/src/main/java/ai/vespa/llm/completion/StringPrompt.java b/vespajlib/src/main/java/ai/vespa/llm/completion/StringPrompt.java
new file mode 100644
index 00000000000..e8392ca992e
--- /dev/null
+++ b/vespajlib/src/main/java/ai/vespa/llm/completion/StringPrompt.java
@@ -0,0 +1,43 @@
+package ai.vespa.llm.completion;
+
+import com.yahoo.api.annotations.Beta;
+
+import java.util.Objects;
+
+/**
+ * A prompt which just consists of a string.
+ *
+ * @author bratseth
+ */
+@Beta
+public class StringPrompt extends Prompt {
+
+    private final String string;
+
+    private StringPrompt(String string) {
+        this.string = Objects.requireNonNull(string);
+    }
+
+    @Override
+    public String asString() { return string; }
+
+    @Override
+    public StringPrompt append(String text) {
+        return StringPrompt.from(string + text);
+    }
+
+    @Override
+    public StringPrompt append(Completion completion) {
+        return append(completion.text());
+    }
+
+    @Override
+    public String toString() {
+        return string;
+    }
+
+    public static StringPrompt from(String string) {
+        return new StringPrompt(string);
+    }
+
+}