no.digipost.util

Class AttributesMap

java.lang.Object

no.digipost.util.AttributesMap

All Implemented Interfaces:

Serializable

public final class AttributesMap
extends Object
implements Serializable

An immutable collection of attributes.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	AttributesMap.Builder Builder to incrementally construct an immutable AttributesMap.
static class	AttributesMap.Config Switches to indicate behavior other than default.

Field Summary

Fields

Modifier and Type	Field and Description
static AttributesMap	EMPTY An empty map with no attributes.

Method Summary

Modifier and Type	Method and Description
static AttributesMap.Builder	buildNew(AttributesMap.Config... configSwitches)
boolean	equals(Object obj)
<V> V	get(GetsNamedValue<V> attribute) Retrieve a required attribute value.
int	hashCode()
boolean	isEmpty()
int	size()
String	toString()
static <V> AttributesMap.Builder	with(SetsNamedValue<V> attribute, V value, AttributesMap.Config... configSwitches)
static <V> AttributesMap.Builder	with(ViewableAsTuple<? extends SetsNamedValue<V>,V> attributeWithValue, AttributesMap.Config... configSwitches)

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY

public static final AttributesMap EMPTY

An empty map with no attributes.

Method Detail

with

public static <V> AttributesMap.Builder with(ViewableAsTuple<? extends SetsNamedValue<V>,V> attributeWithValue,
                                             AttributesMap.Config... configSwitches)

with

public static <V> AttributesMap.Builder with(SetsNamedValue<V> attribute,
                                             V value,
                                             AttributesMap.Config... configSwitches)

buildNew

public static AttributesMap.Builder buildNew(AttributesMap.Config... configSwitches)

get

public <V> V get(GetsNamedValue<V> attribute)

Retrieve a required attribute value. This method throws an exception if the attribute value is not present.

Parameters:

attribute - the attribute to retrieve.

Returns:

the value

Throws:

GetsNamedValue.NotFound - if the attribute is not present.

size

public int size()

Returns:

the number of attributes contained in this map.

isEmpty

public boolean isEmpty()

Returns:

true if this map contains no attributes, false otherwise.

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object