hazelcast-master/hazelcast-sql/src/main/java/com/hazelcast/jet/sql/impl/validate/operators/special/HazelcastSqlCase.java
/*
 * Copyright 2023 Hazelcast Inc.
 *
 * Licensed under the Hazelcast Community License (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://hazelcast.com/hazelcast-community-license
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.hazelcast.jet.sql.impl.validate.operators.special;

import com.hazelcast.jet.sql.impl.validate.operators.misc.HazelcastCaseOperator;
import org.apache.calcite.sql.SqlNode;
import org.apache.calcite.sql.SqlNodeList;
import org.apache.calcite.sql.SqlOperator;
import org.apache.calcite.sql.fun.SqlCase;
import org.apache.calcite.sql.parser.SqlParserPos;

import javax.annotation.Nonnull;

// extending `SqlCase` to override getOperator as it always returns calcite SqlCaseOperator#INSTANCE
public class HazelcastSqlCase extends SqlCase {
    public HazelcastSqlCase(SqlParserPos pos, SqlNode value, SqlNodeList whenList, SqlNodeList thenList, SqlNode elseExpr) {
        super(pos, value, whenList, thenList, elseExpr);
    }

    @Override
    @Nonnull
    public SqlOperator getOperator() {
        return HazelcastCaseOperator.INSTANCE;
    }
}
