org.gcube.datatransformation.datatransformationlibrary.datahandlers.impl
Class RSBlobDataSource

java.lang.Object
  org.gcube.datatransformation.datatransformationlibrary.datahandlers.impl.RSBlobDataSource

All Implemented Interfaces:

org.gcube.datatransformation.datatransformationlibrary.datahandlers.ContentTypeDataSource, org.gcube.datatransformation.datatransformationlibrary.datahandlers.DataHandler, org.gcube.datatransformation.datatransformationlibrary.datahandlers.DataSource

public class RSBlobDataSource
extends Object
implements org.gcube.datatransformation.datatransformationlibrary.datahandlers.DataSource, org.gcube.datatransformation.datatransformationlibrary.datahandlers.ContentTypeDataSource

Author:

Dimitris Katris, NKUA

This DataSource fetches DataElements from a result set with blob elements.

Constructor Summary

RSBlobDataSource(String input, org.gcube.datatransformation.datatransformationlibrary.model.Parameter[] inputParameters)
The input must be a locator for a RS with elements

Method Summary

void	close()
boolean	hasNext()
boolean	isClosed()
org.gcube.datatransformation.datatransformationlibrary.dataelements.DataElement	next()
org.gcube.datatransformation.datatransformationlibrary.model.ContentType	nextContentType()

Methods inherited from class java.lang.Object

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

Constructor Detail

RSBlobDataSource

public RSBlobDataSource(String input,
                        org.gcube.datatransformation.datatransformationlibrary.model.Parameter[] inputParameters)

The input must be a locator for a RS with elements

Parameters:

input - The input value of the DataSource.

inputParameters - The input parameters of the DataSource.

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface org.gcube.datatransformation.datatransformationlibrary.datahandlers.ContentTypeDataSource

Specified by:

hasNext in interface org.gcube.datatransformation.datatransformationlibrary.datahandlers.DataSource

Returns:

true if the DataSource has more elements.

See Also:

DataSource.hasNext()

next

public org.gcube.datatransformation.datatransformationlibrary.dataelements.DataElement next()

Specified by:

next in interface org.gcube.datatransformation.datatransformationlibrary.datahandlers.DataSource

Returns:

the next element of the DataSource.

See Also:

DataSource.next()

close

public void close()

Specified by:

close in interface org.gcube.datatransformation.datatransformationlibrary.datahandlers.DataHandler

See Also:

DataHandler.close()

isClosed

public boolean isClosed()

Specified by:

isClosed in interface org.gcube.datatransformation.datatransformationlibrary.datahandlers.DataHandler

Returns:

true if the DataHandler has been closed.

See Also:

DataHandler.isClosed()

nextContentType

public org.gcube.datatransformation.datatransformationlibrary.model.ContentType nextContentType()

Specified by:

nextContentType in interface org.gcube.datatransformation.datatransformationlibrary.datahandlers.ContentTypeDataSource