/*
 * 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.kylin.engine.spark.job;

import org.apache.kylin.common.KylinConfig;
import org.apache.kylin.job.execution.AbstractExecutable;
import org.apache.kylin.job.execution.DefaultChainedExecutable;

import java.util.Map;
import java.util.Set;

public class NSparkLocalStep extends NSparkExecutable {
    private final static String[] excludedSparkConf = new String[] {"spark.executor.cores",
            "spark.executor.memoryOverhead", "spark.executor.extraJavaOptions",
            "spark.executor.instances", "spark.executor.memory", "spark.executor.extraClassPath",
            "spark.submit.deployMode"};

    @Override
    protected Set<String> getMetadataDumpList(KylinConfig config) {
        AbstractExecutable parent = getParentExecutable();
        if (parent instanceof DefaultChainedExecutable) {
            return ((DefaultChainedExecutable) parent).getMetadataDumpList(config);
        }
        throw new IllegalStateException("Unsupported " + this.getName() + " for non chained executable!");
    }

    @Override
    protected Map<String, String> getSparkConfigOverride(KylinConfig config) {
        Map<String, String> sparkConfigOverride = super.getSparkConfigOverride(config);
        overrideSparkConf(sparkConfigOverride);
        for (String sparkConf : excludedSparkConf) {
            if (sparkConfigOverride.containsKey(sparkConf)) {
                sparkConfigOverride.remove(sparkConf);
            }
        }
        return sparkConfigOverride;
    }

    protected void overrideSparkConf(Map<String, String> sparkConfigOverride) {
        //run job on local not cluster
        sparkConfigOverride.put("spark.master", "local");
        sparkConfigOverride.put("spark.sql.autoBroadcastJoinThreshold", "-1");
        sparkConfigOverride.put("spark.sql.adaptive.enabled", "false");
    }
}
