org.apache.pdfbox.jbig2.util.cache

Class SoftReferenceCache

java.lang.Object

org.apache.pdfbox.jbig2.util.cache.SoftReferenceCache

All Implemented Interfaces:

Cache

public class SoftReferenceCache
extends Object
implements Cache

Constructor Summary

Constructors

Constructor and Description
SoftReferenceCache()

Method Summary

Methods

Modifier and Type	Method and Description
void	clear() Removes all mappings from a map (optional operation).
Object	get(Object key)
Object	put(Object key, Object value, int sizeEstimate)
Object	remove(Object key)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SoftReferenceCache

public SoftReferenceCache()

Method Detail

put

public Object put(Object key,
         Object value,
         int sizeEstimate)

Specified by:

put in interface Cache

Parameters:

key - value to be used as key

value - value to be stored

sizeEstimate - estimated size

Returns:

the old object, that was replaced if present. Otherwise null.

get

public Object get(Object key)

Specified by:

get in interface Cache

clear

public void clear()

Description copied from interface: Cache

Removes all mappings from a map (optional operation).

Specified by:

clear in interface Cache

remove

public Object remove(Object key)

Specified by:

remove in interface Cache

Parameters:

key - the key of the to be removed object

Returns:

the removed object, if present. Otherwise null.