org.jlab.clara.base

Class Composition

java.lang.Object

org.jlab.clara.base.Composition

public class Composition
extends java.lang.Object

A CLARA composition of services. The orchestrator should send a request to the first service of the composition, and the output of each service will be sent to the next service in the composition, until all are executed.

The result of each service can be compared against given states to provide custom routing logic.

Constructor Summary

Constructors

Constructor and Description
Composition(java.lang.String composition) Parses a composition from the given string.

Method Summary

Modifier and Type	Method and Description
java.lang.String	firstService() Gets the first service of this composition.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Composition

public Composition(java.lang.String composition)

Parses a composition from the given string.

Parameters:

composition - a string defining a valid composition

Method Detail

firstService

public java.lang.String firstService()

Gets the first service of this composition. This is the service that starts the composition.

Returns:

the canonical name of the first service

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object