Activity - inputStream

Activity Type: Delivery

Description

The inputStream activity can be invoked upon services that implement the OGSA-DAI data transport operations. Invocation of the PutFully or PutBlock operations by another service (or a client) provides the data that is made available by this activity.

Example

<inputStream name="inputStreamID">
  <toLocal name="dataSource"/>
</inputStream>

Specification

Element inputStream:

• Attribute name - unique name for the activity within the scope of a request.
• toLocal (required) - output stream.
  • Attribute name - name of this activity's output stream.

Input and Output Types

• Inputs: none
• Output: toLocal - any Java object received via data transport operations. It can be confirmed that objects of the following types delivered via data transport operations will be output from this activity without any type conversion taking place:
  • java.lang.String,
  • byte[], or
  • org.w3c.dom.Node.

Data Resource Accessor

This activity can operate with any data resource accessor.

XML Schema

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

Class

uk.org.ogsadai.activity.delivery.InputStreamActivity

Client Toolkit Class

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