org.apache.flink.table.functions.python.PythonEnv Maven / Gradle / Ivy

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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.table.functions.python;

import org.apache.flink.annotation.Internal;
import org.apache.flink.util.Preconditions;

import java.io.Serializable;

/** Python execution environments. */
@Internal
public final class PythonEnv implements Serializable {

    private static final long serialVersionUID = 1L;

    /** The execution type of the Python worker, it defines how to execute the Python functions. */
    private final ExecType execType;

    public PythonEnv(ExecType execType) {
        this.execType = Preconditions.checkNotNull(execType);
    }

    public ExecType getExecType() {
        return execType;
    }

    /** The Execution type specifies how to execute the Python function. */
    public enum ExecType {
        // python function is executed in a separate process
        PROCESS
    }
}