Package org.apache.commons.collections4.properties

Class OrderedProperties

java.lang.Object

java.util.Dictionary<K,V>

java.util.Hashtable<Object,Object>

java.util.Properties

org.apache.commons.collections4.properties.OrderedProperties

All Implemented Interfaces:

Serializable, Cloneable, Map<Object,Object>

public class OrderedProperties
extends Properties

A drop-in replacement for Properties for ordered keys.

Overrides methods to keep keys in insertion order. Allows other methods in the superclass to work with ordered keys.

Since:

4.5

See Also:

• OrderedPropertiesFactory.INSTANCE
• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K extends Object,V extends Object>

Field Summary

Fields inherited from class java.util.Properties

defaults

Constructor Summary

Constructors

Constructor	Description
OrderedProperties()

Method Summary

Modifier and Type	Method	Description
void	clear()
Object	compute(Object key, BiFunction<? super Object,? super Object,? extends Object> remappingFunction)
Object	computeIfAbsent(Object key, Function<? super Object,? extends Object> mappingFunction)
Set<Map.Entry<Object,Object>>	entrySet()
void	forEach(BiConsumer<? super Object,? super Object> action)
Enumeration<Object>	keys()
Set<Object>	keySet()
Object	merge(Object key, Object value, BiFunction<? super Object,? super Object,? extends Object> remappingFunction)
Enumeration<?>	propertyNames()
Object	put(Object key, Object value)
void	putAll(Map<? extends Object,? extends Object> t)
Object	putIfAbsent(Object key, Object value)
Object	remove(Object key)
boolean	remove(Object key, Object value)
String	toString()

Methods inherited from class java.util.Properties

getProperty, getProperty, list, list, load, load, loadFromXML, save, setProperty, store, store, storeToXML, storeToXML, stringPropertyNames

Methods inherited from class java.util.Hashtable

clone, computeIfPresent, contains, containsKey, containsValue, elements, equals, get, getOrDefault, hashCode, isEmpty, rehash, replace, replace, replaceAll, size, values

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

OrderedProperties

public OrderedProperties()

Method Details

clear

public void clear()

Specified by:

clear in interface Map<Object,Object>

Overrides:

clear in class Hashtable<Object,Object>

compute

public Object compute(Object key,
 BiFunction<? super Object,? super Object,? extends Object> remappingFunction)

Specified by:

compute in interface Map<Object,Object>

Overrides:

compute in class Hashtable<Object,Object>

computeIfAbsent

public Object computeIfAbsent(Object key,
 Function<? super Object,? extends Object> mappingFunction)

Specified by:

computeIfAbsent in interface Map<Object,Object>

Overrides:

computeIfAbsent in class Hashtable<Object,Object>

entrySet

public Set<Map.Entry<Object,Object>> entrySet()

Specified by:

entrySet in interface Map<Object,Object>

Overrides:

entrySet in class Hashtable<Object,Object>

forEach

public void forEach(BiConsumer<? super Object,? super Object> action)

Specified by:

forEach in interface Map<Object,Object>

Overrides:

forEach in class Hashtable<Object,Object>

keys

public Enumeration<Object> keys()

Overrides:

keys in class Hashtable<Object,Object>

keySet

public Set<Object> keySet()

Specified by:

keySet in interface Map<Object,Object>

Overrides:

keySet in class Hashtable<Object,Object>

merge

public Object merge(Object key,
 Object value,
 BiFunction<? super Object,? super Object,? extends Object> remappingFunction)

Specified by:

merge in interface Map<Object,Object>

Overrides:

merge in class Hashtable<Object,Object>

propertyNames

public Enumeration<?> propertyNames()

Overrides:

propertyNames in class Properties

put

public Object put(Object key,
 Object value)

Specified by:

put in interface Map<Object,Object>

Overrides:

put in class Hashtable<Object,Object>

putAll

public void putAll(Map<? extends Object,? extends Object> t)

Specified by:

putAll in interface Map<Object,Object>

Overrides:

putAll in class Hashtable<Object,Object>

putIfAbsent

public Object putIfAbsent(Object key,
 Object value)

Specified by:

putIfAbsent in interface Map<Object,Object>

Overrides:

putIfAbsent in class Hashtable<Object,Object>

remove

public Object remove(Object key)

Specified by:

remove in interface Map<Object,Object>

Overrides:

remove in class Hashtable<Object,Object>

remove

public boolean remove(Object key,
 Object value)

Specified by:

remove in interface Map<Object,Object>

Overrides:

remove in class Hashtable<Object,Object>

toString

public String toString()

Overrides:

toString in class Hashtable<Object,Object>