hivesterix/hivesterix-dist/src/main/java/edu/uci/ics/hivesterix/runtime/exec/IExecutionEngine.java

package edu.uci.ics.hivesterix.runtime.exec;

import java.io.Serializable;
import java.util.List;

import org.apache.hadoop.hive.ql.exec.Task;

public interface IExecutionEngine {

    /**
     * compile the job
     * 
     * @param rootTasks
     *            : Hive MapReduce plan
     * @return 0 pass, 1 fail
     */
    public int compileJob(List<Task<? extends Serializable>> rootTasks);

    /**
     * execute the job with latest compiled plan
     * 
     * @return
     */
    public int executeJob();
}