org.apache.slider.core.conf

Class ConfTree

java.lang.Object

org.apache.slider.core.conf.ConfTree

public final class ConfTree
extends Object

A conf tree represents one of the configuration trees

Field Summary

Fields

Modifier and Type	Field and Description
Map<String,Map<String,String>>	components Role options, role -> option -> value
Map<String,List<String>>	credentials Credentials
Map<String,String>	global Global options
static int	INITAL_MAP_CAPACITY Size of an initial map.
protected static org.slf4j.Logger	log
Map<String,Object>	metadata Metadata
String	schema version counter

Constructor Summary

Constructors

Constructor and Description
ConfTree()

Method Summary

Methods

Modifier and Type	Method and Description
Object	clone() Shallow clone
String	toJson() Convert to a JSON string
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

INITAL_MAP_CAPACITY

public static final int INITAL_MAP_CAPACITY

Size of an initial map. This is kept low so the cost of having many conf trees in a process is low.

See Also:

Constant Field Values

log

protected static final org.slf4j.Logger log

schema

public String schema

version counter

metadata

public Map<String,Object> metadata

Metadata

global

public Map<String,String> global

Global options

credentials

public Map<String,List<String>> credentials

Credentials

components

public Map<String,Map<String,String>> components

Role options, role -> option -> value

Constructor Detail

ConfTree

public ConfTree()

Method Detail

clone

public Object clone()
             throws CloneNotSupportedException

Shallow clone

Overrides:

clone in class Object

Returns:

a shallow clone

Throws:

CloneNotSupportedException

toString

public String toString()

Overrides:

toString in class Object

toJson

public String toJson()
              throws IOException,
                     org.codehaus.jackson.JsonGenerationException,
                     org.codehaus.jackson.map.JsonMappingException

Convert to a JSON string

Returns:

a JSON string description

Throws:

IOException - Problems mapping/writing the object

org.codehaus.jackson.JsonGenerationException

org.codehaus.jackson.map.JsonMappingException