org.gcube.datatransformation.datatransformationlibrary

Class ProgramExecutor

java.lang.Object

org.gcube.datatransformation.datatransformationlibrary.ProgramExecutor

public class ProgramExecutor
extends Object

Author:

Dimitris Katris, NKUA Loads dynamically and executes a Program.

Constructor Summary

Constructors

Constructor and Description
ProgramExecutor()

Method Summary

Methods

Modifier and Type	Method and Description
static void	initializeDeployer(String DTS_LIBS_PATH) Initializes the DTSProgramDeployer.
static void	transformDataWithProgram(ArrayList<DataSource> sources, Transformer transformer, List<Parameter> programParameters, ContentType targetContentType, DataSink sink) Loads and executes the Program contained in the Transformer.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ProgramExecutor

public ProgramExecutor()

Method Detail

initializeDeployer

public static void initializeDeployer(String DTS_LIBS_PATH)
                               throws Exception

Initializes the DTSProgramDeployer.

Parameters:

DTS_LIBS_PATH - The path in which the deployer will put the Program's jar files.

Throws:

Exception - If an error occurs in initialization of the DTSProgramDeployer.

transformDataWithProgram

public static void transformDataWithProgram(ArrayList<DataSource> sources,
                            Transformer transformer,
                            List<Parameter> programParameters,
                            ContentType targetContentType,
                            DataSink sink)
                                     throws Exception

Loads and executes the Program contained in the Transformer.

Parameters:

sources - The DataSources from which the Program will get DataElements.

transformer - The Transformer which contains the Program that will execute the transformationUnit.

programParameters - The Parameters which will be passed to the Program.

targetContentType - The ContentType to which the Program will transform the DataElements.

sink - The DataSink in which the Program will store the transformed DataElements.

Throws:

Exception - If an error occurred in loading the Program.