gr.uoa.di.madgik.searchlibrary.operatorlibrary.transform
Class ScriptOp

java.lang.Object
  gr.uoa.di.madgik.searchlibrary.operatorlibrary.Unary
      gr.uoa.di.madgik.searchlibrary.operatorlibrary.transform.ScriptOp

public class ScriptOp
extends Unary

This class performs applies script transformation on the records that it receives as input and produces a new set of records as output, each one of them containing the transformed result

Author:

jgerbe

Field Summary

Fields inherited from class gr.uoa.di.madgik.searchlibrary.operatorlibrary.Unary

inLocator, operatorParameters, stats, timeout, TimeoutDef, timeUnit, TimeUnitDef

Constructor Summary

ScriptOp(URI inLocator, Map<String,String> operatorParameters, StatsContainer stats)
Creates a new ScriptOp with the default timeout for the reader and the writer

ScriptOp(URI inLocator, Map<String,String> operatorParameters, StatsContainer stats, long timeout, TimeUnit timeUnit)
Creates a new ScriptOp with configurable timeout for the reader and the writer

Method Summary

URI	compute() Initiates the transformation procedure
static File	decompressToFile(byte[] zipped)

Methods inherited from class java.lang.Object

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

Constructor Detail

ScriptOp

public ScriptOp(URI inLocator,
                Map<String,String> operatorParameters,
                StatsContainer stats)
         throws Exception

Creates a new ScriptOp with the default timeout for the reader and the writer

Parameters:

inLocator - The locator of the input

operatorParameters - operator parameters containing the name of the script which will be applied apply the transformation

stats - Statistics

Throws:

Exception

ScriptOp

public ScriptOp(URI inLocator,
                Map<String,String> operatorParameters,
                StatsContainer stats,
                long timeout,
                TimeUnit timeUnit)
         throws Exception

Creates a new ScriptOp with configurable timeout for the reader and the writer

Parameters:

inLocator - The locator of the input

operatorParameters - operator parameters containing the name of the script which will be applied apply the transformation

stats - Statistics

timeout - The timeout to be used both by the reader and the writer

timeUnit - The time unit of the timeout used

Throws:

Exception

Method Detail

compute

public URI compute()
            throws Exception

Initiates the transformation procedure

Specified by:

compute in class Unary

Returns:

The RSLocator pointing to the produced org.gcube.searchservice.searchlibrary.resultset.ResultSet

Throws:

Exception - An unrecoverable for the operation has occurred

decompressToFile

public static File decompressToFile(byte[] zipped)