/*
 * Licensed 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 com.facebook.presto.operator;

import com.facebook.presto.spi.Page;

import java.util.Optional;

public interface JoinFilterFunction
{
    boolean filter(int leftAddress, int rightPosition, Page rightPage);

    Optional<Integer> getSortChannel();
}

@@ -632,16 +632,67 @@
 .Page;%0A%0A
+import javax.annotation.concurrent.NotThreadSafe;%0A%0A
 import j
@@ -711,16 +711,31 @@
 ional;%0A%0A
+@NotThreadSafe%0A
 public i

Mark JoinFilterFunction not thread safe