org.apache.taverna.platform.capability.activity.impl

Class ActivityServiceImpl

java.lang.Object

org.apache.taverna.platform.capability.activity.impl.ActivityServiceImpl

All Implemented Interfaces:

ActivityService

public class ActivityServiceImpl
extends Object
implements ActivityService

Constructor Summary

Constructors

Constructor and Description
ActivityServiceImpl()

Method Summary

Modifier and Type	Method and Description
boolean	activityExists(URI uri) Returns true if and only if the activity type exists.
Activity<?>	createActivity(URI activityType, com.fasterxml.jackson.databind.JsonNode configuration) Returns the activity for the specified activity type.
com.fasterxml.jackson.databind.JsonNode	getActivityConfigurationSchema(URI activityType) Returns the JSON Schema for the configuration required by an activity.
Set<InputActivityPort>	getActivityInputPorts(URI activityType, com.fasterxml.jackson.databind.JsonNode configuration) Returns the input ports that the activity type requires to be present in order to execute with the specified configuration.
Set<OutputActivityPort>	getActivityOutputPorts(URI activityType, com.fasterxml.jackson.databind.JsonNode configuration) Returns the output ports that the activity type requires to be present in order to execute with the specified configuration.
Set<URI>	getActivityTypes() Returns the available activity types.
void	setActivityFactories(List<ActivityFactory> activityFactories) Sets the list of available ActivityFactorys.

Methods inherited from class java.lang.Object

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

Constructor Detail

ActivityServiceImpl

public ActivityServiceImpl()

Method Detail

getActivityTypes

public Set<URI> getActivityTypes()

Description copied from interface: ActivityService

Returns the available activity types.

Specified by:

getActivityTypes in interface ActivityService

Returns:

the available activity types

activityExists

public boolean activityExists(URI uri)

Description copied from interface: ActivityService

Returns true if and only if the activity type exists.

Specified by:

activityExists in interface ActivityService

Returns:

whether the activity type exists

getActivityConfigurationSchema

public com.fasterxml.jackson.databind.JsonNode getActivityConfigurationSchema(URI activityType)
                                                                       throws ActivityNotFoundException

Description copied from interface: ActivityService

Returns the JSON Schema for the configuration required by an activity.

Specified by:

getActivityConfigurationSchema in interface ActivityService

Parameters:

activityType - the activity type

Returns:

the JSON Schema for the configuration required by an activity

Throws:

ActivityNotFoundException - if an activity cannot be found for the specified URI

createActivity

public Activity<?> createActivity(URI activityType,
                                  com.fasterxml.jackson.databind.JsonNode configuration)
                           throws ActivityNotFoundException,
                                  ActivityConfigurationException

Description copied from interface: ActivityService

Returns the activity for the specified activity type. If configuration is not null the returned activity will be configured.

Specified by:

createActivity in interface ActivityService

Parameters:

activityType - the activity type

configuration - the configuration for the activity, can be null

Returns:

the activity for the specified activityType

Throws:

ActivityNotFoundException - if an activity cannot be found for the specified activity type

ActivityConfigurationException - if the configuration is not valid

getActivityInputPorts

public Set<InputActivityPort> getActivityInputPorts(URI activityType,
                                                    com.fasterxml.jackson.databind.JsonNode configuration)
                                             throws ActivityNotFoundException,
                                                    ActivityConfigurationException

Description copied from interface: ActivityService

Returns the input ports that the activity type requires to be present in order to execute with the specified configuration.

If the activity does not require any input port for the configuration then an empty set is returned.

Specified by:

getActivityInputPorts in interface ActivityService

configuration - the activity configuration

Returns:

the input ports that the activity requires to be present in order to execute

Throws:

ActivityNotFoundException - if the activity cannot be found

ActivityConfigurationException - if the activity configuration is incorrect

getActivityOutputPorts

public Set<OutputActivityPort> getActivityOutputPorts(URI activityType,
                                                      com.fasterxml.jackson.databind.JsonNode configuration)
                                               throws ActivityNotFoundException,
                                                      ActivityConfigurationException

Description copied from interface: ActivityService

Returns the output ports that the activity type requires to be present in order to execute with the specified configuration.

If the activity type does not require any output ports for the configuration then an empty set is returned.

Specified by:

getActivityOutputPorts in interface ActivityService

configuration - the activity configuration

Returns:

the output ports that the activity requires to be present in order to execute

Throws:

ActivityNotFoundException - if the activity cannot be found

ActivityConfigurationException - if the activity configuration is incorrect

setActivityFactories

public void setActivityFactories(List<ActivityFactory> activityFactories)

Sets the list of available ActivityFactorys. In a production environment this should be set by Spring DM.

Parameters:

activityFactories - the list of available ActivityFactorys