alluxio.util

Class ConfigurationUtils

java.lang.Object

alluxio.util.ConfigurationUtils

public final class ConfigurationUtils
extends Object

Utilities for working with Alluxio configurations.

Method Summary

Modifier and Type	Method and Description
static List<ConfigProperty>	getConfiguration(Scope scope) Gets all global configuration properties filtered by the specified scope.
static Properties	loadProperties(InputStream stream)
static Properties	loadPropertiesFromFile(String filePath) Loads properties from the given file.
static Properties	loadPropertiesFromResource(URL resource) Loads properties from a resource.
static boolean	masterHostConfigured()
static String	searchPropertiesFile(String propertiesFile, String[] confPathList) Searches the given properties file from a list of paths.
static String	valueAsString(String value)

Methods inherited from class java.lang.Object

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

Method Detail

loadPropertiesFromResource

@Nullable
public static Properties loadPropertiesFromResource(URL resource)

Loads properties from a resource.

Parameters:

resource - url of the properties file

Returns:

a set of properties on success, or null if failed

loadPropertiesFromFile

@Nullable
public static Properties loadPropertiesFromFile(String filePath)

Loads properties from the given file.

Parameters:

filePath - the absolute path of the file to load properties

Returns:

a set of properties on success, or null if failed

loadProperties

@Nullable
public static Properties loadProperties(InputStream stream)

Parameters:

stream - the stream to read properties from

Returns:

a properties object populated from the stream

searchPropertiesFile

@Nullable
public static String searchPropertiesFile(String propertiesFile,
                                                    String[] confPathList)

Searches the given properties file from a list of paths.

Parameters:

propertiesFile - the file to load properties

confPathList - a list of paths to search the propertiesFile

Returns:

the site properties file on success search, or null if failed

masterHostConfigured

public static boolean masterHostConfigured()

Returns:

whether the configuration describes how to find the master host, either through explicit configuration or through zookeeper

getConfiguration

public static List<ConfigProperty> getConfiguration(Scope scope)

Gets all global configuration properties filtered by the specified scope.

Parameters:

scope - the scope to filter by

Returns:

the properties

valueAsString

public static String valueAsString(String value)

Parameters:

value - the value or null (value is not set)

Returns:

the value or "(no value set)" when the value is not set