systems.dmx.core

Interface ChildTopics

All Superinterfaces:

Iterable<String>

public interface ChildTopics
extends Iterable<String>

Method Summary

Modifier and Type	Method and Description
Object	get(String compDefUri)
boolean	getBoolean(String compDefUri) Convenience accessor for the *simple* value of a single-valued child.
boolean	getBoolean(String compDefUri, boolean defaultValue)
ChildTopics	getChildTopics(String compDefUri) Convenience accessor for the *composite* value of a single-valued child.
double	getDouble(String compDefUri) Convenience accessor for the *simple* value of a single-valued child.
double	getDouble(String compDefUri, double defaultValue)
int	getInt(String compDefUri) Convenience accessor for the *simple* value of a single-valued child.
int	getInt(String compDefUri, int defaultValue)
long	getLong(String compDefUri) Convenience accessor for the *simple* value of a single-valued child.
long	getLong(String compDefUri, long defaultValue)
ChildTopicsModel	getModel()
String	getString(String compDefUri) Convenience accessor for the *simple* value of a single-valued child.
String	getString(String compDefUri, String defaultValue)
RelatedTopic	getTopic(String compDefUri) Accesses a single-valued child.
RelatedTopic	getTopicOrNull(String compDefUri)
List<RelatedTopic>	getTopics(String compDefUri) Accesses a multiple-valued child.
List<RelatedTopic>	getTopicsOrNull(String compDefUri)
Object	getValue(String compDefUri) Convenience accessor for the *simple* value of a single-valued child.
Object	getValue(String compDefUri, Object defaultValue)
boolean	has(String compDefUri) Checks if a child is contained in this ChildTopics.
int	size() Returns the number of children contained in this ChildTopics.

Methods inherited from interface java.lang.Iterable

forEach, iterator, spliterator

Method Detail

getTopic

RelatedTopic getTopic(String compDefUri)

Accesses a single-valued child. Throws if there is no such child.

getTopicOrNull

RelatedTopic getTopicOrNull(String compDefUri)

getTopics

List<RelatedTopic> getTopics(String compDefUri)

Accesses a multiple-valued child. Throws if there is no such child. ### TODO: explain why not return an empty list instead

getTopicsOrNull

List<RelatedTopic> getTopicsOrNull(String compDefUri)

get

Object get(String compDefUri)

has

boolean has(String compDefUri)

Checks if a child is contained in this ChildTopics.

size

int size()

Returns the number of children contained in this ChildTopics. Multiple-valued children count as one.

getModel

ChildTopicsModel getModel()

getString

String getString(String compDefUri)

Convenience accessor for the *simple* value of a single-valued child. Throws if the child doesn't exist.

getString

String getString(String compDefUri,
                 String defaultValue)

getInt

int getInt(String compDefUri)

Convenience accessor for the *simple* value of a single-valued child. Throws if the child doesn't exist.

getInt

int getInt(String compDefUri,
           int defaultValue)

getLong

long getLong(String compDefUri)

Convenience accessor for the *simple* value of a single-valued child. Throws if the child doesn't exist.

getLong

long getLong(String compDefUri,
             long defaultValue)

getDouble

double getDouble(String compDefUri)

Convenience accessor for the *simple* value of a single-valued child. Throws if the child doesn't exist.

getDouble

double getDouble(String compDefUri,
                 double defaultValue)

getBoolean

boolean getBoolean(String compDefUri)

Convenience accessor for the *simple* value of a single-valued child. Throws if the child doesn't exist.

getBoolean

boolean getBoolean(String compDefUri,
                   boolean defaultValue)

getValue

Object getValue(String compDefUri)

Convenience accessor for the *simple* value of a single-valued child. Throws if the child doesn't exist.

Returns:

String, Integer, Long, Double, or Boolean. Never null.

getValue

Object getValue(String compDefUri,
                Object defaultValue)

Returns:

String, Integer, Long, Double, or Boolean. Never null.

getChildTopics

ChildTopics getChildTopics(String compDefUri)

Convenience accessor for the *composite* value of a single-valued child. Throws if the child doesn't exist.