1 files changed, 86 insertions, 0 deletions
diff --git a/container-search/src/main/java/com/yahoo/search/query/profile/types/PrimitiveFieldType.java b/container-search/src/main/java/com/yahoo/search/query/profile/types/PrimitiveFieldType.java
new file mode 100644
index 00000000000..76b3f78ac2f
--- /dev/null
+++ b/container-search/src/main/java/com/yahoo/search/query/profile/types/PrimitiveFieldType.java
@@ -0,0 +1,86 @@
+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.search.query.profile.types;
+
+import com.yahoo.search.query.profile.QueryProfileRegistry;
+import com.yahoo.search.query.profile.compiled.CompiledQueryProfileRegistry;
+
+import static com.yahoo.text.Lowercase.toLowerCase;
+
+/**
+ * Represents a query field type which is a primitive - String, Integer, Float, Double or Long.
+ *
+ * @author bratseth
+ */
+@SuppressWarnings("rawtypes")
+public class PrimitiveFieldType extends FieldType {
+
+    private Class primitiveClass;
+
+    PrimitiveFieldType(Class primitiveClass) {
+        this.primitiveClass=primitiveClass;
+    }
+
+    public @Override Class getValueClass() { return primitiveClass; }
+
+    public @Override String stringValue() {
+        return toLowerCase(primitiveClass.getSimpleName());
+    }
+
+    public @Override String toString() { return "field type " + stringValue(); }
+
+    public @Override String toInstanceDescription() {
+        return toLowerCase(primitiveClass.getSimpleName());
+    }
+
+    @Override
+    public Object convertFrom(Object object, CompiledQueryProfileRegistry registry) {
+        return convertFrom(object, (QueryProfileRegistry)null);
+    }
+
+    public @Override Object convertFrom(Object object, QueryProfileRegistry registry) {
+        if (primitiveClass == object.getClass()) return object;
+
+        if (object.getClass() == String.class) return convertFromString((String)object);
+        if (object instanceof Number) return convertFromNumber((Number)object);
+
+        return null;
+    }
+
+    private Object convertFromString(String string) {
+        try {
+            if (primitiveClass==Integer.class) return Integer.valueOf(string);
+            if (primitiveClass==Double.class) return Double.valueOf(string);
+            if (primitiveClass==Float.class) return Float.valueOf(string);
+            if (primitiveClass==Long.class) return Long.valueOf(string);
+            if (primitiveClass==Boolean.class) return Boolean.valueOf(string);
+        }
+        catch (NumberFormatException e) {
+            return null; // Handled in caller
+        }
+        throw new RuntimeException("Programming error");
+    }
+
+    private Object convertFromNumber(Number number) {
+        if (primitiveClass==Integer.class) return number.intValue();
+        if (primitiveClass==Double.class) return number.doubleValue();
+        if (primitiveClass==Float.class) return number.floatValue();
+        if (primitiveClass==Long.class) return number.longValue();
+        if (primitiveClass==String.class) return String.valueOf(number);
+        throw new RuntimeException("Programming error: Input type is " + number.getClass() +
+                                   " primitiveClass is " + primitiveClass);
+    }
+
+    @Override
+    public int hashCode() {
+        return primitiveClass.hashCode();
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (o == this) return true;
+        if ( ! (o instanceof PrimitiveFieldType)) return false;
+        PrimitiveFieldType other = (PrimitiveFieldType)o;
+        return other.primitiveClass.equals(this.primitiveClass);
+    }
+
+}