Package org.apache.nifi.bootstrap.configuration

Class StandardConfigurationProvider

java.lang.Object

org.apache.nifi.bootstrap.configuration.StandardConfigurationProvider

All Implemented Interfaces:

ConfigurationProvider

public class StandardConfigurationProvider
extends Object
implements ConfigurationProvider

Standard implementation of Configuration Provider based on NIFI_HOME environment variable base directory

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	APPLICATION_PROPERTIES
private static final String	BOOTSTRAP_CONFIGURATION
private final Properties	bootstrapProperties
private static final String	CONFIGURATION_DIRECTORY
private static final String	CURRENT_DIRECTORY
private final Map<String,String>	environmentVariables
private static final Duration	GRACEFUL_SHUTDOWN_TIMEOUT
private static final String	LIBRARY_DIRECTORY
private static final String	LOG_DIRECTORY
private final Properties	systemProperties

Constructor Summary

Constructors

Constructor	Description
StandardConfigurationProvider(Map<String,String> environmentVariables, Properties systemProperties)

Method Summary

Modifier and Type	Method	Description
List<String>	getAdditionalArguments()	Get additional arguments for application command from Bootstrap Properties starting with java.arg
private Path	getApplicationHome()
Path	getApplicationProperties()	Get Application Properties relative to configuration directory
Path	getBootstrapConfiguration()	Get Bootstrap Configuration from either System Property or relative to configuration directory
Path	getConfigurationDirectory()	Get Configuration Directory from Bootstrap Configuration or relative to application home directory
Duration	getGracefulShutdownTimeout()	Get timeout configured for graceful shutdown of application process
Path	getLibraryDirectory()	Get Library Directory from Bootstrap Configuration or relative to configuration directory
Path	getLogDirectory()	Get Log Directory from System Property or relative to application home directory
Optional<URI>	getManagementServerAddress()	Get Management Server Address from the bootstrap configuration
private Path	getResolvedDirectory(BootstrapProperty bootstrapProperty, String relativeDirectory)
Path	getWorkingDirectory()	Get Working Directory from Bootstrap Configuration or current working directory
private boolean	isEmpty(String property)
private void	setBootstrapProperties()

Methods inherited from class java.lang.Object

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

Field Details

CONFIGURATION_DIRECTORY

private static final String CONFIGURATION_DIRECTORY

See Also:

• Constant Field Values

LIBRARY_DIRECTORY

private static final String LIBRARY_DIRECTORY

See Also:

• Constant Field Values

LOG_DIRECTORY

private static final String LOG_DIRECTORY

See Also:

• Constant Field Values

APPLICATION_PROPERTIES

private static final String APPLICATION_PROPERTIES

See Also:

• Constant Field Values

BOOTSTRAP_CONFIGURATION

private static final String BOOTSTRAP_CONFIGURATION

See Also:

• Constant Field Values

CURRENT_DIRECTORY

private static final String CURRENT_DIRECTORY

See Also:

• Constant Field Values

GRACEFUL_SHUTDOWN_TIMEOUT

private static final Duration GRACEFUL_SHUTDOWN_TIMEOUT

environmentVariables

private final Map<String,String> environmentVariables

systemProperties

private final Properties systemProperties

bootstrapProperties

private final Properties bootstrapProperties

Constructor Details

StandardConfigurationProvider

public StandardConfigurationProvider(Map<String,String> environmentVariables,
 Properties systemProperties)

Method Details

getAdditionalArguments

public List<String> getAdditionalArguments()

Get additional arguments for application command from Bootstrap Properties starting with java.arg

Specified by:

getAdditionalArguments in interface ConfigurationProvider

Returns:

Additional arguments

getApplicationProperties

public Path getApplicationProperties()

Get Application Properties relative to configuration directory

Specified by:

getApplicationProperties in interface ConfigurationProvider

Returns:

Application Properties

getBootstrapConfiguration

public Path getBootstrapConfiguration()

Get Bootstrap Configuration from either System Property or relative to configuration directory

Specified by:

getBootstrapConfiguration in interface ConfigurationProvider

Returns:

Bootstrap Configuration

getLibraryDirectory

public Path getLibraryDirectory()

Get Library Directory from Bootstrap Configuration or relative to configuration directory

Specified by:

getLibraryDirectory in interface ConfigurationProvider

Returns:

Library Directory

getLogDirectory

public Path getLogDirectory()

Get Log Directory from System Property or relative to application home directory

Specified by:

getLogDirectory in interface ConfigurationProvider

Returns:

Log Directory

getGracefulShutdownTimeout

public Duration getGracefulShutdownTimeout()

Get timeout configured for graceful shutdown of application process

Specified by:

getGracefulShutdownTimeout in interface ConfigurationProvider

Returns:

Graceful Shutdown Timeout duration

getManagementServerAddress

public Optional<URI> getManagementServerAddress()

Get Management Server Address from the bootstrap configuration

Specified by:

getManagementServerAddress in interface ConfigurationProvider

Returns:

Management Server Address or empty when not configured

getConfigurationDirectory

public Path getConfigurationDirectory()

Get Configuration Directory from Bootstrap Configuration or relative to application home directory

Specified by:

getConfigurationDirectory in interface ConfigurationProvider

Returns:

Configuration Directory

getWorkingDirectory

public Path getWorkingDirectory()

Get Working Directory from Bootstrap Configuration or current working directory

Specified by:

getWorkingDirectory in interface ConfigurationProvider

Returns:

Working Directory

getResolvedDirectory

private Path getResolvedDirectory(BootstrapProperty bootstrapProperty,
 String relativeDirectory)

getApplicationHome

private Path getApplicationHome()

isEmpty

private boolean isEmpty(String property)

setBootstrapProperties

private void setBootstrapProperties()