Package org.apache.nifi.bootstrap.command.process

Class StandardProcessHandleProvider

java.lang.Object

org.apache.nifi.bootstrap.command.process.StandardProcessHandleProvider

All Implemented Interfaces:

ProcessHandleProvider

public class StandardProcessHandleProvider
extends Object
implements ProcessHandleProvider

Process Handle Provider searches running Processes and locates the first handles match based on command arguments

Field Summary

Fields

Modifier and Type	Field	Description
private final ConfigurationProvider	configurationProvider
private static final String	PROPERTIES_ARGUMENT

Constructor Summary

Constructors

Constructor	Description
StandardProcessHandleProvider(ConfigurationProvider configurationProvider)

Method Summary

Modifier and Type	Method	Description
Optional<ProcessHandle>	findApplicationProcessHandle()	Find Process Handle for Application based on matching argument for path to application properties
Optional<ProcessHandle>	findBootstrapProcessHandle()	Find Process Handle for Bootstrap based on matching argument for path to bootstrap configuration
private Optional<ProcessHandle>	findProcessHandle(SystemProperty systemProperty, Path configuration)

Methods inherited from class java.lang.Object

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

Field Details

PROPERTIES_ARGUMENT

private static final String PROPERTIES_ARGUMENT

See Also:

• Constant Field Values

configurationProvider

private final ConfigurationProvider configurationProvider

Constructor Details

StandardProcessHandleProvider

public StandardProcessHandleProvider(ConfigurationProvider configurationProvider)

Method Details

findApplicationProcessHandle

public Optional<ProcessHandle> findApplicationProcessHandle()

Find Process Handle for Application based on matching argument for path to application properties

Specified by:

findApplicationProcessHandle in interface ProcessHandleProvider

Returns:

Application Process Handle or empty when not found

findBootstrapProcessHandle

public Optional<ProcessHandle> findBootstrapProcessHandle()

Find Process Handle for Bootstrap based on matching argument for path to bootstrap configuration

Specified by:

findBootstrapProcessHandle in interface ProcessHandleProvider

Returns:

Bootstrap Process Handle or empty when not found

findProcessHandle

private Optional<ProcessHandle> findProcessHandle(SystemProperty systemProperty,
 Path configuration)