berlin.yuna.natsserver.logic

Class NatsBase

java.lang.Object

berlin.yuna.natsserver.logic.NatsBase

All Implemented Interfaces:

AutoCloseable

Direct Known Subclasses:

Nats

public abstract class NatsBase
extends Object
implements AutoCloseable

NatsBase

Since:

1.0

Author:

Yuna Morgenstern

See Also:

SystemUtil, NatsBase

Field Summary

Fields

Modifier and Type	Field and Description
static String	NATS_PREFIX

Method Summary

Modifier and Type	Method and Description
List<String>	args() Get customArguments
NatsBase	args(String... args) Adds custom arguments to the nats start command
Path	binaryFile() nats binary file which only exists after download or if its already placed there
String	downloadUrl() nats download url which is usually a zip file
Optional<Path>	getConfigFile() Resolves the config file from the configuration e.g.
String	getValue(NatsConfig key) Gets resolved config value from key
String	getValue(NatsConfig key, Supplier<String> or) Gets resolved config value from key
int	pid() get process id
Path	pidFile() get process id file which only exists when the process is running
int	port() Gets the port out of the configuration
String	toString()
String	url() nats server URL from bind to host address

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.AutoCloseable

close

Field Detail

NATS_PREFIX

public static final String NATS_PREFIX

See Also:

Constant Field Values

Method Detail

pid

public int pid()

get process id

Returns:

process id or -1 if process is not running

pidFile

public Path pidFile()

get process id file which only exists when the process is running

Returns:

process id file path

binaryFile

public Path binaryFile()

nats binary file which only exists after download or if its already placed there

Returns:

nats binary file path

downloadUrl

public String downloadUrl()

nats download url which is usually a zip file

Returns:

nats download url

url

public String url()

nats server URL from bind to host address

Returns:

nats server url

port

public int port()

Gets the port out of the configuration

Returns:

configured port of the server

Throws:

RuntimeException - when the port is not configured

args

public NatsBase args(String... args)

Adds custom arguments to the nats start command

Parameters:

args - arguments

Returns:

self NatsBase

args

public List<String> args()

Get customArguments

Returns:

list of custom arguments

getValue

public String getValue(NatsConfig key)

Gets resolved config value from key

Parameters:

key - config key

Returns:

config key value

getValue

public String getValue(NatsConfig key,
                       Supplier<String> or)

Gets resolved config value from key

Parameters:

key - config key

or - lazy loaded fallback value

Returns:

config key value

getConfigFile

public Optional<Path> getConfigFile()

Resolves the config file from the configuration e.g. Nats.config(NatsConfig, String)

Returns:

config file as optional path - not empty if file exists

toString

public String toString()

Overrides:

toString in class Object