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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.delegation;
import org.apache.flink.annotation.Internal;
import org.apache.flink.api.common.JobExecutionResult;
import org.apache.flink.api.dag.Transformation;
import org.apache.flink.table.api.TableEnvironment;
import java.util.List;
/**
* It enables execution of a {@link Transformation}s graph generated by
* {@link Planner}.
*
* This uncouples the {@link TableEnvironment} from any given runtime.
*/
@Internal
public interface Executor {
/**
* Applies all given transformations. This should not run the transformations already, but just apply for
* future execution via {@link #execute(String)}
*
* @param transformations list of transformations to apply
*/
void apply(List> transformations);
/**
* Executes all the previously applied transformations via {@link #apply(List)}.
*
* @param jobName what should be the name of the job
* @return The result of the job execution, containing elapsed time and accumulators.
* @throws Exception which occurs during job execution.
*/
JobExecutionResult execute(String jobName) throws Exception;
}