Package eu.bandm.tools.ops

Class HeteroMap

java.lang.Object

java.util.AbstractMap<HeteroMap.Key,Object>

eu.bandm.tools.ops.HeteroMap

All Implemented Interfaces:

Map<HeteroMap.Key,Object>

public class HeteroMap
extends AbstractMap<HeteroMap.Key,Object>

Immutable map with heterogeneously typed entries.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	HeteroMap.Key<V>	The class of map keys.

Nested classes/interfaces inherited from class java.util.AbstractMap

AbstractMap.SimpleEntry<K,V>, AbstractMap.SimpleImmutableEntry<K,V>

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

Map.Entry<K,V>

Method Summary

Modifier and Type	Method	Description
static HeteroMap	empty()	Returns an empty map.
Set<Map.Entry<HeteroMap.Key,Object>>	entrySet()
<V> V	get(HeteroMap.Key<V> key)	Returns the value to which the specified key is mapped, or null if this map contains no mapping for the key.
<V> HeteroMap	with(HeteroMap.Key<V> key, V value)	Returns a map that has the same mappings as this map, with one exception.

Methods inherited from class java.util.AbstractMap

clear, clone, containsKey, containsValue, equals, get, hashCode, isEmpty, keySet, put, putAll, remove, size, toString, values

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

compute, computeIfAbsent, computeIfPresent, forEach, getOrDefault, merge, putIfAbsent, remove, replace, replace, replaceAll

Method Details

get

@Opt
public <V> V get(HeteroMap.Key<V> key)

Returns the value to which the specified key is mapped, or null if this map contains no mapping for the key.

Type Parameters:

V - the type of the value

Parameters:

key - the key whose associated value is to be returned

Returns:

the value to which the specified key is mapped, or null if this map contains no mapping for the key

entrySet

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

Specified by:

entrySet in interface Map<HeteroMap.Key,Object>

Specified by:

entrySet in class AbstractMap<HeteroMap.Key,Object>

empty

public static HeteroMap empty()

Returns an empty map.

with

public <V> HeteroMap with(HeteroMap.Key<V> key,
 @Opt
 V value)

Returns a map that has the same mappings as this map, with one exception.

Type Parameters:

V -

Parameters:

key -

value -

Returns: