flink-optimizer/src/main/java/org/apache/flink/optimizer/operators/CrossBlockOuterSecondDescriptor.java

/*
 * 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.flink.optimizer.operators;

import org.apache.flink.optimizer.dataproperties.LocalProperties;
import org.apache.flink.runtime.operators.DriverStrategy;

public class CrossBlockOuterSecondDescriptor extends CartesianProductDescriptor {

    public CrossBlockOuterSecondDescriptor() {
        this(true, true);
    }

    public CrossBlockOuterSecondDescriptor(
            boolean allowBroadcastFirst, boolean allowBroadcastSecond) {
        super(allowBroadcastFirst, allowBroadcastSecond);
    }

    @Override
    public DriverStrategy getStrategy() {
        return DriverStrategy.NESTEDLOOP_BLOCKED_OUTER_SECOND;
    }

    @Override
    public LocalProperties computeLocalProperties(LocalProperties in1, LocalProperties in2) {
        return new LocalProperties();
    }
}