com.asakusafw.workflow.hadoop.bootstrap

Class Environment

java.lang.Object

com.asakusafw.workflow.hadoop.bootstrap.Environment

public class Environment
extends Object

Represents a set of environment variables.

Since:

0.10.0

Constructor Summary

Constructors

Constructor and Description
Environment()

Method Summary

Modifier and Type	Method and Description
Map<String,String>	entries() Returns the view of environment variables.
Optional<String>	find(String key) Returns a value of environment variable.
static Environment	system() Returns a new system environment variables.

Methods inherited from class java.lang.Object

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

Constructor Detail

Environment

public Environment()

Method Detail

system

public static Environment system()

Returns a new system environment variables.

Returns:

a copy of system environment variables

find

public Optional<String> find(String key)

Returns a value of environment variable.

Parameters:

key - key of the target environment variable

Returns:

the corresponded environmet variable value, or empty if it is not defined

entries

public Map<String,String> entries()

Returns the view of environment variables.

Returns:

the environment variables