1 files changed, 37 insertions, 0 deletions
diff --git a/container-search/src/main/java/com/yahoo/search/yql/TypeOperator.java b/container-search/src/main/java/com/yahoo/search/yql/TypeOperator.java
new file mode 100644
index 00000000000..01b1f88cc5e
--- /dev/null
+++ b/container-search/src/main/java/com/yahoo/search/yql/TypeOperator.java
@@ -0,0 +1,37 @@
+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.search.yql;
+
+import com.google.common.base.Predicate;
+
+enum TypeOperator implements Operator {
+
+    BYTE,
+    INT16,
+    INT32,
+    INT64,
+    STRING,
+    DOUBLE,
+    TIMESTAMP,
+    BOOLEAN,
+    ARRAY(TypeOperator.class),
+    MAP(TypeOperator.class);
+
+    private final ArgumentsTypeChecker checker;
+
+    public static Predicate<OperatorNode<? extends Operator>> IS = new Predicate<OperatorNode<? extends Operator>>() {
+        @Override
+        public boolean apply(OperatorNode<? extends Operator> input) {
+            return input.getOperator() instanceof TypeOperator;
+        }
+    };
+
+    TypeOperator(Object... types) {
+        checker = TypeCheckers.make(this, types);
+    }
+
+    @Override
+    public void checkArguments(Object... args) {
+        checker.check(args);
+    }
+
+}