MapContainer (Castor JavaDoc)

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Summary:
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java.lang.Object
- java.util.AbstractMap<K,V>
- - java.util.concurrent.ConcurrentHashMap<java.lang.Object,java.lang.Object>
  - - org.castor.cache.hashbelt.container.MapContainer

All Implemented Interfaces:

java.io.Serializable, java.util.concurrent.ConcurrentMap<java.lang.Object,java.lang.Object>, java.util.Map<java.lang.Object,java.lang.Object>, Container
```
public final class MapContainer
extends java.util.concurrent.ConcurrentHashMap<java.lang.Object,java.lang.Object>
implements Container
```
A very basic, HashMap-based implementation of the hashmap container strategy, using nothing more than a basic hashmap to store key/value pairs. This works well for lots of gets and a reasonably high volume of removes; if few removes are required, and iterators are important to your particluar use-case of the cache, it's better to use the FastIteratingContainer, which can handle iterating at a higher speed, still has a map for accessing hash values, but has a higher removal cost.

Since:

1.0

Version:

$Revision: 8102 $ $Date: 2006-04-25 16:09:10 -0600 (Tue, 25 Apr 2006) $

Author:

Gregory Block, Ralf Joachim

See Also:

Serialized Form

Nested Class Summary
- Nested classes/interfaces inherited from class java.util.AbstractMap
  java.util.AbstractMap.SimpleEntry<K extends java.lang.Object,V extends java.lang.Object>, java.util.AbstractMap.SimpleImmutableEntry<K extends java.lang.Object,V extends java.lang.Object>
- Nested classes/interfaces inherited from class java.util.concurrent.ConcurrentHashMap
  java.util.concurrent.ConcurrentHashMap.KeySetView<K extends java.lang.Object,V extends java.lang.Object>
- Nested classes/interfaces inherited from interface java.util.Map
  java.util.Map.Entry<K extends java.lang.Object,V extends java.lang.Object>

Constructor Summary

Constructors
Constructor Description

MapContainer()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`long`	`getTimestamp()`	Returns the timestamp of this container.
`java.util.Iterator<java.lang.Object>`	`keyIterator()`	Returns an iterator over the keys contained in this container.
`void`	`updateTimestamp()`	Set the timestamp of this container to System.currentTimeMillis().
`java.util.Iterator<java.lang.Object>`	`valueIterator()`	Returns an iterator over the values contained in this container.

Methods inherited from class java.util.AbstractMap
clone

Methods inherited from class java.util.concurrent.ConcurrentHashMap
clear, compute, computeIfAbsent, computeIfPresent, contains, containsKey, containsValue, elements, entrySet, equals, forEach, forEach, forEach, forEachEntry, forEachEntry, forEachKey, forEachKey, forEachValue, forEachValue, get, getOrDefault, hashCode, isEmpty, keys, keySet, keySet, mappingCount, merge, newKeySet, newKeySet, put, putAll, putIfAbsent, reduce, reduceEntries, reduceEntries, reduceEntriesToDouble, reduceEntriesToInt, reduceEntriesToLong, reduceKeys, reduceKeys, reduceKeysToDouble, reduceKeysToInt, reduceKeysToLong, reduceToDouble, reduceToInt, reduceToLong, reduceValues, reduceValues, reduceValuesToDouble, reduceValuesToInt, reduceValuesToLong, remove, remove, replace, replace, replaceAll, search, searchEntries, searchKeys, searchValues, size, toString, values

Methods inherited from interface java.util.Map
clear, compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, entrySet, equals, forEach, get, getOrDefault, hashCode, isEmpty, keySet, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, replaceAll, size, values

Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - MapContainer
```
public MapContainer()
```
- Method Detail
  - updateTimestamp
```
public void updateTimestamp()
```
    Set the timestamp of this container to System.currentTimeMillis().
    
    Specified by:
    
    updateTimestamp in interface Container
  - getTimestamp
```
public long getTimestamp()
```
    Returns the timestamp of this container.
    
    Specified by:
    
    getTimestamp in interface Container
    
    Returns:
    
    The timestamp.
  - keyIterator
```
public java.util.Iterator<java.lang.Object> keyIterator()
```
    Returns an iterator over the keys contained in this container. If the container is modified while an iteration is in progress, the results of the iteration is not affected and vice-versa.
    
    Specified by:
    
    keyIterator in interface Container
    
    Returns:
    
    An iterator over the keys currently contained in the container.
  - valueIterator
```
public java.util.Iterator<java.lang.Object> valueIterator()
```
    Returns an iterator over the values contained in this container. If the container is modified while an iteration is in progress, the results of the iteration is not affected and vice-versa.
    
    Specified by:
    
    valueIterator in interface Container
    
    Returns:
    
    An iterator over the values currently contained in the container.

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