org.apache.reef.util

Class EnvironmentUtils

java.lang.Object

org.apache.reef.util.EnvironmentUtils

public final class EnvironmentUtils
extends Object

Constructor Summary

Constructors

Constructor and Description
EnvironmentUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static <P extends Param> ConfigurationModule	addAll(ConfigurationModule config, P param, Iterable<String> values) Deprecated. in 0.2 this really should be in Tang.
static ConfigurationModule	addClasspath(ConfigurationModule config, OptionalParameter<String> param) Deprecated. Using this method is inherently non-deterministic as it depends on environment variables on your local machine.
static boolean	areAssertionsEnabled() Check whether assert() statements are evaluated.
static Set<String>	getAllClasspathJars() Get a set of all classpath entries EXCEPT of those under $JAVA_HOME, $YARN_HOME, and $HADOOP_HOME.
static Set<String>	getAllClasspathJars(String... excludeEnv) Get a set of all classpath entries EXCEPT of those under excludeEnv directories.
static String	getClassLocation(Class<?> clazz)

Methods inherited from class java.lang.Object

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

Constructor Detail

EnvironmentUtils

public EnvironmentUtils()

Method Detail

getAllClasspathJars

public static Set<String> getAllClasspathJars()

Get a set of all classpath entries EXCEPT of those under $JAVA_HOME, $YARN_HOME, and $HADOOP_HOME.

Returns:

A set of classpath entries as strings.

getAllClasspathJars

public static Set<String> getAllClasspathJars(String... excludeEnv)

Get a set of all classpath entries EXCEPT of those under excludeEnv directories. Every excludeEnv entry is an environment variable name.

Returns:

A set of classpath entries as strings.

addAll

@Deprecated
public static <P extends Param> ConfigurationModule addAll(ConfigurationModule config,
                                                      P param,
                                                      Iterable<String> values)

Deprecated. in 0.2 this really should be in Tang.

Type Parameters:

P -

Parameters:

config -

param -

values -

Returns:

addClasspath

@Deprecated
public static ConfigurationModule addClasspath(ConfigurationModule config,
                                          OptionalParameter<String> param)

Deprecated. Using this method is inherently non-deterministic as it depends on environment variables on your local machine.

Parameters:

config -

param -

Returns:

areAssertionsEnabled

public static boolean areAssertionsEnabled()

Check whether assert() statements are evaluated.

Returns:

true, if assertions are enabled. False otherwise.

getClassLocation

public static String getClassLocation(Class<?> clazz)

Parameters:

clazz -

Returns:

the location (JAR or .class file) where the given class is located.