forked from D-Net/dnet-hadoop
43 lines
1.2 KiB
Java
43 lines
1.2 KiB
Java
package eu.dnetlib.dhp.common.java;
|
|
|
|
import java.util.Map;
|
|
|
|
import org.apache.hadoop.conf.Configuration;
|
|
|
|
import eu.dnetlib.dhp.common.java.porttype.PortType;
|
|
|
|
/** Workflow node written in Java.
|
|
*
|
|
* The implementing class has to define a constructor with no parameters
|
|
* (possibly the default one) or a constructor with String[] as a single
|
|
* parameter.
|
|
* @author Mateusz Kobos
|
|
*/
|
|
public interface Process {
|
|
/**
|
|
* Run the process.
|
|
*
|
|
* The process ends with a success status if no exception is thrown,
|
|
* otherwise it ends with an error status.
|
|
*
|
|
* @param parameters parameters of the process. Each parameter
|
|
* corresponds to a single entry in the map, its name is the key, its
|
|
* value is the value.
|
|
* @throws Exception if thrown, it means that the process finished
|
|
* with an error status
|
|
*/
|
|
void run(PortBindings portBindings, Configuration conf,
|
|
Map<String, String> parameters) throws Exception;
|
|
|
|
/**
|
|
* @return map containing as the key: name of the port, as the value: type
|
|
* of the port
|
|
*/
|
|
Map<String, PortType> getInputPorts();
|
|
|
|
/**
|
|
* @return map containing as the key: name of the port, as the value: type
|
|
* of the port
|
|
*/
|
|
Map<String, PortType> getOutputPorts();
|
|
} |