diff --git a/cql3/restrictions/TermSlice.java b/cql3/restrictions/TermSlice.java
deleted file mode 100644
index 3622220453..0000000000
--- a/cql3/restrictions/TermSlice.java
+++ /dev/null
@@ -1,167 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.cassandra.cql3.restrictions;
-
-import org.apache.cassandra.cql3.Operator;
-import org.apache.cassandra.cql3.Term;
-import org.apache.cassandra.cql3.statements.Bound;
-import org.apache.cassandra.db.index.SecondaryIndex;
-
-final class TermSlice
-{
- /**
- * The slice boundaries.
- */
- private final Term[] bounds;
-
- /**
- * Specifies if a slice boundary is inclusive or not.
- */
- private final boolean[] boundInclusive;
-
- /**
- * Creates a new TermSlice with the specified boundaries.
- *
- * @param start the lower boundary
- * @param includeStart true if the lower boundary is inclusive
- * @param end the upper boundary
- * @param includeEnd true if the upper boundary is inclusive
- */
- private TermSlice(Term start, boolean includeStart, Term end, boolean includeEnd)
- {
- bounds = new Term[]{start, end};
- boundInclusive = new boolean[]{includeStart, includeEnd};
- }
-
- /**
- * Creates a new TermSlice with the specified boundary.
- *
- * @param bound the boundary type
- * @param include true if the boundary is inclusive
- * @param term the value
- * @return a new TermSlice instance
- */
- public static TermSlice newInstance(Bound bound, boolean include, Term term)
- {
- return bound.isStart() ? new TermSlice(term, include, null, false)
- : new TermSlice(null, false, term, include);
- }
-
- /**
- * Returns the boundary value.
- *
- * @param bound the boundary type
- * @return the boundary value
- */
- public Term bound(Bound bound)
- {
- return bounds[bound.idx];
- }
-
- /**
- * Checks if this slice has a boundary for the specified type.
- *
- * @param b the boundary type
- * @return true if this slice has a boundary for the specified type, false otherwise.
- */
- public boolean hasBound(Bound b)
- {
- return bounds[b.idx] != null;
- }
-
- /**
- * Checks if this slice boundary is inclusive for the specified type.
- *
- * @param b the boundary type
- * @return true if this slice boundary is inclusive for the specified type,
- * false otherwise.
- */
- public boolean isInclusive(Bound b)
- {
- return bounds[b.idx] == null || boundInclusive[b.idx];
- }
-
- /**
- * Merges this slice with the specified one.
- *
- * @param otherSlice the slice to merge to
- * @return the new slice resulting from the merge
- */
- public TermSlice merge(TermSlice otherSlice)
- {
- if (hasBound(Bound.START))
- {
- assert !otherSlice.hasBound(Bound.START);
-
- return new TermSlice(bound(Bound.START),
- isInclusive(Bound.START),
- otherSlice.bound(Bound.END),
- otherSlice.isInclusive(Bound.END));
- }
- assert !otherSlice.hasBound(Bound.END);
-
- return new TermSlice(otherSlice.bound(Bound.START),
- otherSlice.isInclusive(Bound.START),
- bound(Bound.END),
- isInclusive(Bound.END));
- }
-
- @Override
- public String toString()
- {
- return String.format("(%s %s, %s %s)", boundInclusive[0] ? ">=" : ">",
- bounds[0],
- boundInclusive[1] ? "<=" : "<",
- bounds[1]);
- }
-
- /**
- * Returns the index operator corresponding to the specified boundary.
- *
- * @param b the boundary type
- * @return the index operator corresponding to the specified boundary
- */
- public Operator getIndexOperator(Bound b)
- {
- if (b.isStart())
- return boundInclusive[b.idx] ? Operator.GTE : Operator.GT;
-
- return boundInclusive[b.idx] ? Operator.LTE : Operator.LT;
- }
-
- /**
- * Check if this TermSlice is supported by the specified index.
- *
- * @param index the Secondary index
- * @return true this type of TermSlice is supported by the specified index,
- * false otherwise.
- */
- public boolean isSupportedBy(SecondaryIndex index)
- {
- boolean supported = false;
-
- if (hasBound(Bound.START))
- supported |= isInclusive(Bound.START) ? index.supportsOperator(Operator.GTE)
- : index.supportsOperator(Operator.GT);
- if (hasBound(Bound.END))
- supported |= isInclusive(Bound.END) ? index.supportsOperator(Operator.LTE)
- : index.supportsOperator(Operator.LT);
-
- return supported;
- }
-}
diff --git a/cql3/restrictions/term_slice.hh b/cql3/restrictions/term_slice.hh
new file mode 100644
index 0000000000..bba9d48f34
--- /dev/null
+++ b/cql3/restrictions/term_slice.hh
@@ -0,0 +1,152 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * Copyright 2015 Cloudius Systems
+ *
+ * Modified by Cloudius Systems
+ */
+
+#pragma once
+
+#include "cql3/restrictions/abstract_restriction.hh"
+#include "cql3/term.hh"
+#include "core/shared_ptr.hh"
+#include "database.hh"
+#include "to_string.hh"
+#include "exceptions/exceptions.hh"
+
+namespace cql3 {
+
+namespace restrictions {
+
+class term_slice final {
+private:
+ struct bound {
+ bool inclusive;
+ ::shared_ptr t;
+ };
+ bound _bounds[2];
+private:
+ term_slice(::shared_ptr start, bool include_start, ::shared_ptr end, bool include_end)
+ : _bounds{{include_start, std::move(start)}, {include_end, std::move(end)}}
+ { }
+public:
+ static term_slice new_instance(statements::bound bound, bool include, ::shared_ptr term) {
+ if (is_start(bound)) {
+ return term_slice(std::move(term), include, {}, false);
+ } else {
+ return term_slice({}, false, std::move(term), include);
+ }
+ }
+
+ /**
+ * Returns the boundary value.
+ *
+ * @param bound the boundary type
+ * @return the boundary value
+ */
+ ::shared_ptr bound(statements::bound b) const {
+ return _bounds[get_idx(b)].t;
+ }
+
+ /**
+ * Checks if this slice has a boundary for the specified type.
+ *
+ * @param b the boundary type
+ * @return true if this slice has a boundary for the specified type, false otherwise.
+ */
+ bool has_bound(statements::bound b) const {
+ return bool(_bounds[get_idx(b)].t);
+ }
+
+ /**
+ * Checks if this slice boundary is inclusive for the specified type.
+ *
+ * @param b the boundary type
+ * @return true if this slice boundary is inclusive for the specified type,
+ * false otherwise.
+ */
+ bool is_inclusive(statements::bound b) const {
+ return !_bounds[get_idx(b)].t || _bounds[get_idx(b)].inclusive;
+ }
+
+ /**
+ * Merges this slice with the specified one.
+ *
+ * @param other the slice to merge with
+ */
+ void merge(const term_slice& other) {
+ if (has_bound(statements::bound::START)) {
+ assert(!other.has_bound(statements::bound::START));
+ _bounds[get_idx(statements::bound::END)] = other._bounds[get_idx(statements::bound::END)];
+ } else {
+ assert(!other.has_bound(statements::bound::END));
+ _bounds[get_idx(statements::bound::START)] = other._bounds[get_idx(statements::bound::START)];
+ }
+ }
+
+ friend std::ostream& operator<<(std::ostream& out, const term_slice& slice) {
+ static auto print_term = [] (::shared_ptr t) -> sstring {
+ return t ? t->to_string() : "null";
+ };
+ return out << sprint("(%s %s, %s %s)",
+ slice._bounds[0].inclusive ? ">=" : ">", print_term(slice._bounds[0].t),
+ slice._bounds[1].inclusive ? "<=" : "<", print_term(slice._bounds[1].t));
+ }
+
+#if 0
+ /**
+ * Returns the index operator corresponding to the specified boundary.
+ *
+ * @param b the boundary type
+ * @return the index operator corresponding to the specified boundary
+ */
+ public Operator getIndexOperator(statements::bound b)
+ {
+ if (b.isStart())
+ return boundInclusive[get_idx(b)] ? Operator.GTE : Operator.GT;
+
+ return boundInclusive[get_idx(b)] ? Operator.LTE : Operator.LT;
+ }
+
+ /**
+ * Check if this TermSlice is supported by the specified index.
+ *
+ * @param index the Secondary index
+ * @return true this type of TermSlice is supported by the specified index,
+ * false otherwise.
+ */
+ public bool isSupportedBy(SecondaryIndex index)
+ {
+ bool supported = false;
+
+ if (has_bound(statements::bound::START))
+ supported |= isInclusive(statements::bound::START) ? index.supportsOperator(Operator.GTE)
+ : index.supportsOperator(Operator.GT);
+ if (has_bound(statements::bound::END))
+ supported |= isInclusive(statements::bound::END) ? index.supportsOperator(Operator.LTE)
+ : index.supportsOperator(Operator.LT);
+
+ return supported;
+ }
+#endif
+};
+
+}
+}