org.apache.flink.table.planner.delegation.ExecutorBase Maven / Gradle / Ivy

/*
 * 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.planner.delegation;

import org.apache.flink.annotation.Internal;
import org.apache.flink.api.common.JobExecutionResult;
import org.apache.flink.api.dag.Pipeline;
import org.apache.flink.core.execution.JobClient;
import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
import org.apache.flink.streaming.api.graph.StreamGraph;
import org.apache.flink.table.api.TableConfig;
import org.apache.flink.table.delegation.Executor;
import org.apache.flink.util.StringUtils;

/** An implementation of {@link Executor} that is backed by a {@link StreamExecutionEnvironment}. */
@Internal
public abstract class ExecutorBase implements Executor {

    private static final String DEFAULT_JOB_NAME = "Flink Exec Table Job";

    private final StreamExecutionEnvironment executionEnvironment;
    protected TableConfig tableConfig;

    public ExecutorBase(StreamExecutionEnvironment executionEnvironment) {
        this.executionEnvironment = executionEnvironment;
    }

    public StreamExecutionEnvironment getExecutionEnvironment() {
        return executionEnvironment;
    }

    @Override
    public JobExecutionResult execute(Pipeline pipeline) throws Exception {
        return executionEnvironment.execute((StreamGraph) pipeline);
    }

    @Override
    public JobClient executeAsync(Pipeline pipeline) throws Exception {
        return executionEnvironment.executeAsync((StreamGraph) pipeline);
    }

    protected String getNonEmptyJobName(String jobName) {
        if (StringUtils.isNullOrWhitespaceOnly(jobName)) {
            return DEFAULT_JOB_NAME;
        } else {
            return jobName;
        }
    }
}