org.apache.nifi.properties.configuration

Class BootstrapPropertiesClientProvider<T>

java.lang.Object

org.apache.nifi.properties.configuration.BootstrapPropertiesClientProvider<T>

Type Parameters:

T - Client Type

All Implemented Interfaces:

ClientProvider<T>

public abstract class BootstrapPropertiesClientProvider<T>
extends Object
implements ClientProvider<T>

Shared Client Provider for reading Client Properties from file referenced in configured Bootstrap Property Key

Field Summary

Fields

Modifier and Type	Field and Description
private BootstrapProperties.BootstrapPropertyKey	bootstrapPropertyKey
protected org.slf4j.Logger	logger

Constructor Summary

Constructors

Constructor and Description
BootstrapPropertiesClientProvider(BootstrapProperties.BootstrapPropertyKey bootstrapPropertyKey)

Method Summary

Modifier and Type	Method and Description
Optional<T>	getClient(Properties clientProperties) Get Client using Client Properties
Optional<Properties>	getClientProperties(BootstrapProperties bootstrapProperties) Get Client Properties from file referenced in Bootstrap Properties
protected abstract T	getConfiguredClient(Properties clientProperties) Get Configured Client using Client Properties
protected abstract Set<String>	getRequiredPropertyNames() Get Property Names required for initializing client in order to perform initial validation
private boolean	isMissingProperties(Properties clientProperties)

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected final org.slf4j.Logger logger

bootstrapPropertyKey

private final BootstrapProperties.BootstrapPropertyKey bootstrapPropertyKey

Constructor Detail

BootstrapPropertiesClientProvider

public BootstrapPropertiesClientProvider(BootstrapProperties.BootstrapPropertyKey bootstrapPropertyKey)

Method Detail

getClient

public Optional<T> getClient(Properties clientProperties)

Get Client using Client Properties

Specified by:

getClient in interface ClientProvider<T>

Parameters:

clientProperties - Client Properties can be null

Returns:

Configured Client or empty when Client Properties object is null

getClientProperties

public Optional<Properties> getClientProperties(BootstrapProperties bootstrapProperties)

Get Client Properties from file referenced in Bootstrap Properties

Specified by:

getClientProperties in interface ClientProvider<T>

Parameters:

bootstrapProperties - Bootstrap Properties

Returns:

Client Properties or empty when not configured

getConfiguredClient

protected abstract T getConfiguredClient(Properties clientProperties)

Get Configured Client using Client Properties

Parameters:

clientProperties - Client Properties

Returns:

Configured Client

getRequiredPropertyNames

protected abstract Set<String> getRequiredPropertyNames()

Get Property Names required for initializing client in order to perform initial validation

Returns:

Set of required client property names

isMissingProperties

private boolean isMissingProperties(Properties clientProperties)