Activity - outputStream

Activity Type: Delivery

Description

The outputStream activity can be invoked upon services that implement OGSA-DAI data trasport operations. Invocation of the GetFully or GetBlock operations by another service (or a client) allows retrieval of the data made available by this activity.

Example

<outputStream name="outputStreamID">
  <fromLocal from="dataSource"/>
</outputStream>

Specification

Element outputStream:

• Attribute name - unique name for the activity within the scope of a request.
• fromLocal (required) - input stream.
  • Attribute from - name of an input stream providing the data to deliver.

Input and Output Types

• Input: fromLocal - any Java object.
• Outputs: none

Data Resource Accessor

This activity can operate with any data resource accessor.

XML Schema

OGSA-DAI/schema/ogsadai/xsd/activities/output_stream.xsd

Class

uk.org.ogsadai.activity.delivery.OutputStreamActivity

Client Toolkit Class

uk.org.ogsadai.client.toolkit.activity.delivery.DTOutputStream