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/*
 * 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.client.python;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

import java.util.List;
import java.util.Optional;

import static java.util.Objects.requireNonNull;

/** Options for the {@link PythonDriver}. */
final class PythonDriverOptions {

    @Nullable private final String entryPointModule;

    @Nullable private final String entryPointScript;

    @Nonnull private final List programArgs;

    @Nullable
    String getEntryPointModule() {
        return entryPointModule;
    }

    Optional getEntryPointScript() {
        return Optional.ofNullable(entryPointScript);
    }

    @Nonnull
    List getProgramArgs() {
        return programArgs;
    }

    PythonDriverOptions(
            @Nullable String entryPointModule,
            @Nullable String entryPointScript,
            List programArgs) {
        this.entryPointModule = entryPointModule;
        this.entryPointScript = entryPointScript;
        this.programArgs = requireNonNull(programArgs, "programArgs");
    }
}