org.cactoos.map

Class SyncMap<X,Y>

java.lang.Object

org.cactoos.map.MapEnvelope<X,Y>

org.cactoos.map.SyncMap<X,Y>

Type Parameters:

X - Type of key

Y - Type of value

All Implemented Interfaces:

Map<X,Y>

public final class SyncMap<X,Y>
extends MapEnvelope<X,Y>

Map decorator that goes through the map only once.

The map is read-only.

Objects of this class are thread-safe.

Since:

0.24

Nested Class Summary

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

Map.Entry<K,V>

Constructor Summary

Constructors

Constructor and Description
SyncMap(Func<Z,Map.Entry<X,Y>> entry, Iterable<Z> list) Ctor.
SyncMap(Func<Z,Map.Entry<X,Y>> entry, Map<X,Y> map, Iterable<Z> list) Ctor.
SyncMap(Func<Z,Map.Entry<X,Y>> entry, Z... list) Ctor.
SyncMap(Func<Z,X> key, Func<Z,Y> value, Map<X,Y> map, Iterable<Z> list) Ctor.
SyncMap(Iterable<Map.Entry<X,Y>> list) Ctor.
SyncMap(Iterable<Z> list, Func<Z,X> key, Func<Z,Y> value) Ctor.
SyncMap(Iterator<Map.Entry<X,Y>> list) Ctor.
SyncMap(Map.Entry<X,Y>... list) Ctor.
SyncMap(Map<X,Y> map) Ctor.
SyncMap(Map<X,Y> map, Iterable<Map.Entry<X,Y>> list) Ctor.
SyncMap(Map<X,Y> map, Map.Entry<X,Y>... list) Ctor.

Method Summary

Methods inherited from class org.cactoos.map.MapEnvelope

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

Methods inherited from class java.lang.Object

clone, 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

Constructor Detail

SyncMap

@SafeVarargs
public SyncMap(Map.Entry<X,Y>... list)

Ctor.

Parameters:

list - List of entries

SyncMap

@SafeVarargs
public SyncMap(Map<X,Y> map,
                            Map.Entry<X,Y>... list)

Ctor.

Parameters:

map - The map to extend

list - List of entries

SyncMap

public SyncMap(Func<Z,X> key,
               Func<Z,Y> value,
               Map<X,Y> map,
               Iterable<Z> list)

Ctor.

Type Parameters:

Z - Type of items in the list

Parameters:

map - The map to extend

list - List of items

key - Func to create key

value - Func to create value

SyncMap

public SyncMap(Iterable<Z> list,
               Func<Z,X> key,
               Func<Z,Y> value)

Ctor.

Type Parameters:

Z - Type of items in the list

Parameters:

list - List of items

key - Func to create key

value - Func to create value

SyncMap

@SafeVarargs
public SyncMap(Func<Z,Map.Entry<X,Y>> entry,
                            Z... list)

Ctor.

Type Parameters:

Z - Type of items in the list

Parameters:

list - List of items

entry - Func to create entry

SyncMap

public SyncMap(Func<Z,Map.Entry<X,Y>> entry,
               Iterable<Z> list)

Ctor.

Type Parameters:

Z - Type of items in the list

Parameters:

list - List of items

entry - Func to create entry

SyncMap

public SyncMap(Func<Z,Map.Entry<X,Y>> entry,
               Map<X,Y> map,
               Iterable<Z> list)

Ctor.

Type Parameters:

Z - Type of items in the list

Parameters:

map - The map to extend

list - List of items

entry - Func to create entry

SyncMap

public SyncMap(Iterable<Map.Entry<X,Y>> list)

Ctor.

Parameters:

list - Entries for the entries

SyncMap

public SyncMap(Iterator<Map.Entry<X,Y>> list)

Ctor.

Parameters:

list - Entries for the entries

SyncMap

public SyncMap(Map<X,Y> map,
               Iterable<Map.Entry<X,Y>> list)

Ctor.

Parameters:

map - Pre-existing map we want to extend

list - Entries for the entries

SyncMap

public SyncMap(Map<X,Y> map)

Ctor.

Parameters:

map - The map