org.apache.nifi.parameter

Class AbstractParameterProvider

java.lang.Object

org.apache.nifi.components.AbstractConfigurableComponent

org.apache.nifi.parameter.AbstractParameterProvider

All Implemented Interfaces:

ConfigurableComponent, ParameterProvider

public abstract class AbstractParameterProvider
extends AbstractConfigurableComponent
implements ParameterProvider

Field Summary

Fields

Modifier and Type	Field and Description
private String	identifier
private ComponentLog	logger
private String	name
private NodeTypeProvider	nodeTypeProvider

Constructor Summary

Constructors

Constructor and Description
AbstractParameterProvider()

Method Summary

Modifier and Type	Method and Description
String	getIdentifier()
protected ComponentLog	getLogger()
protected String	getName()
protected NodeTypeProvider	getNodeTypeProvider()
protected void	init(ParameterProviderInitializationContext config) Provides a mechanism by which subclasses can perform initialization of the Parameter Provider before its parameters are fetched
void	initialize(ParameterProviderInitializationContext config) Provides the Parameter Provider with access to objects that may be of use throughout the life of the provider

Methods inherited from class org.apache.nifi.components.AbstractConfigurableComponent

customValidate, equals, getPropertyDescriptor, getPropertyDescriptors, getSupportedDynamicPropertyDescriptor, getSupportedPropertyDescriptors, hashCode, onPropertyModified, toString, validate

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.nifi.parameter.ParameterProvider

fetchParameters

Methods inherited from interface org.apache.nifi.components.ConfigurableComponent

getPropertyDescriptor, getPropertyDescriptors, onPropertyModified, validate

Field Detail

identifier

private String identifier

name

private String name

logger

private ComponentLog logger

nodeTypeProvider

private NodeTypeProvider nodeTypeProvider

Constructor Detail

AbstractParameterProvider

public AbstractParameterProvider()

Method Detail

initialize

public final void initialize(ParameterProviderInitializationContext config)
                      throws InitializationException

Description copied from interface: ParameterProvider

Provides the Parameter Provider with access to objects that may be of use throughout the life of the provider

Specified by:

initialize in interface ParameterProvider

Parameters:

config - of initialization context

Throws:

InitializationException - if unable to init

getIdentifier

public String getIdentifier()

Specified by:

getIdentifier in interface ConfigurableComponent

Returns:

the identifier of this Parameter Provider

getNodeTypeProvider

protected final NodeTypeProvider getNodeTypeProvider()

Returns:

the NodeTypeProvider that was passed to the initialize(ParameterProviderInitializationContext) method

getName

protected String getName()

Returns:

the name of this Parameter Provider

getLogger

protected ComponentLog getLogger()

Returns:

the logger that has been provided to the component by the framework in its initialize method

init

protected void init(ParameterProviderInitializationContext config)
             throws InitializationException

Provides a mechanism by which subclasses can perform initialization of the Parameter Provider before its parameters are fetched

Parameters:

config - context

Throws:

InitializationException - if failure to init