grammarscope.document

Class Document.MapCache2<K,K2 extends java.lang.Enum<K2>,T>

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap<K,java.util.Map<K2,T>>

grammarscope.document.Document.MapCache2<K,K2,T>

Type Parameters:

K - level 1 key

K2 - level 2 key

T - type of cached object

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.util.Map<K,java.util.Map<K2,T>>

Enclosing class:

Document

public abstract static class Document.MapCache2<K,K2 extends java.lang.Enum<K2>,T>
extends java.util.HashMap<K,java.util.Map<K2,T>>

Two-tier key-indexed objects cache

Author:

Bernard Bou

See Also:

Serialized Form

Nested Class Summary

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

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

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

java.util.Map.Entry<K,V>

Field Summary

Fields

Modifier and Type	Field and Description
private static long	serialVersionUID

Constructor Summary

Constructors

Constructor and Description
MapCache2()

Method Summary

Modifier and Type	Method and Description
protected abstract T	fetch(K key, K2 key2, java.lang.Object... extras) Fetch object from source
T	get(K key, K2 key2, java.lang.Object... extras) Get object from cache

Methods inherited from class java.util.HashMap

clear, clone, compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, entrySet, forEach, get, getOrDefault, isEmpty, keySet, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, replaceAll, size, values

Methods inherited from class java.util.AbstractMap

equals, hashCode, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

equals, hashCode

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

Constructor Detail

MapCache2

public MapCache2()

Method Detail

get

public T get(K key,
             K2 key2,
             java.lang.Object... extras)

Get object from cache

Parameters:

key - key1

key2 - key2

extras - extra parameters

Returns:

object

fetch

protected abstract T fetch(K key,
                           K2 key2,
                           java.lang.Object... extras)

Fetch object from source

Parameters:

key - key1

key2 - key2

extras - extra parameters

Returns:

fetched object