uk.org.ogsadai.client.toolkit.activity
Class Sequence

java.lang.Object
  |
  +--uk.org.ogsadai.client.toolkit.activity.RequestComponent
        |
        +--uk.org.ogsadai.client.toolkit.activity.Composite
              |
              +--uk.org.ogsadai.client.toolkit.activity.Sequence

public class Sequence

extends Composite

The client-side representation of a sequence component in a request. A sequence contains blocks of activities which are processed sequentially by the service.

Activities belong to a block if data flows from one to another. For example, the following activities form a block: SQLQuery -> XSLTransform -> Delivery

Author:

The OGSA-DAI Team.

Field Summary

private static java.lang.String

COPYRIGHT_NOTICE Copyright statement

Fields inherited from class uk.org.ogsadai.client.toolkit.activity.Composite

Fields inherited from class uk.org.ogsadai.client.toolkit.activity.RequestComponent

Constructor Summary

Sequence()
Constructs an empty sequence.

Sequence(RequestComponent[] components)
Constructs a sequence from an array of request components.

Method Summary

java.lang.String

generateXML() Generates the XML representing the activity.

Methods inherited from class uk.org.ogsadai.client.toolkit.activity.Composite

addChild, addOutputs, getChild, getSize, insertChild, removeChild, removeChild

Methods inherited from class uk.org.ogsadai.client.toolkit.activity.RequestComponent

getDataResourceID, getDataService, getName, getSession, setDataResourceID, setDataService, setSession

Methods inherited from class java.lang.Object

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

Field Detail

COPYRIGHT_NOTICE

private static final java.lang.String COPYRIGHT_NOTICE

Copyright statement

See Also:

Constant Field Values

Constructor Detail

Sequence

public Sequence()

Constructs an empty sequence.

Sequence

public Sequence(RequestComponent[] components)

Constructs a sequence from an array of request components.

Parameters:

components - Request components

Method Detail

generateXML

public java.lang.String generateXML()

Description copied from class: RequestComponent

Generates the XML representing the activity. This XML can then be inserted into a perform document that is sent to a data service.

Specified by:

generateXML in class RequestComponent

Returns:

the XML for the activity