Support for configuring and feeding float16 and bool field types

1 files changed, 33 insertions, 0 deletions

diff --git a/container-search/src/main/java/com/yahoo/prelude/fastsearch/Float16Field.java b/container-search/src/main/java/com/yahoo/prelude/fastsearch/Float16Field.java
new file mode 100644
index 00000000000..f00d6b19d67
--- /dev/null
+++ b/container-search/src/main/java/com/yahoo/prelude/fastsearch/Float16Field.java
@@ -0,0 +1,33 @@
+// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.prelude.fastsearch;
+
+import com.yahoo.data.access.Inspector;
+import com.yahoo.search.result.NanNumber;
+
+/**
+ * A 16-bit float, represented as a (32-bit) Float in Java, as there is no 16-bit float support.
+ *
+ * @author bratseth
+ */
+public class Float16Field extends DocsumField {
+
+    static final double EMPTY_VALUE = Float.NaN;
+
+    public Float16Field(String name) {
+        super(name);
+    }
+
+    private Object convert(float value) {
+        if (Float.isNaN(value)) {
+            return NanNumber.NaN;
+        } else {
+            return Float.valueOf(value);
+        }
+    }
+
+    @Override
+    public Object convert(Inspector value) {
+        return convert((float)value.asDouble(EMPTY_VALUE));
+    }
+
+}