Package org.apache.solr.common.util

Class ObjectCache

java.lang.Object

org.apache.solr.common.util.ObjectCache

All Implemented Interfaces:

Closeable, AutoCloseable, SolrCloseable

public class ObjectCache
extends Object
implements SolrCloseable

Simple object cache with a type-safe accessor.

Field Summary

Fields

Modifier and Type	Field	Description
protected final ConcurrentMap<String,Object>	map

Constructor Summary

Constructors

Constructor	Description
ObjectCache()

Method Summary

Modifier and Type	Method	Description
void	clear()
void	close()
<T> T	computeIfAbsent(String key, Class<T> clazz, Function<String,? extends T> mappingFunction)
Object	computeIfAbsent(String key, Function<String,?> mappingFunction)
Object	get(String key)
<T> T	get(String key, Class<T> clazz)
boolean	isClosed()
Object	put(String key, Object val)
Object	remove(String key)

Methods inherited from class java.lang.Object

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

Field Details

map

protected final ConcurrentMap<String,Object> map

Constructor Details

ObjectCache

public ObjectCache()

Method Details

put

public Object put(String key,
 Object val)

get

public Object get(String key)

remove

public Object remove(String key)

clear

public void clear()

get

public <T> T get(String key,
 Class<T> clazz)

computeIfAbsent

public Object computeIfAbsent(String key,
 Function<String,?> mappingFunction)

computeIfAbsent

public <T> T computeIfAbsent(String key,
 Class<T> clazz,
 Function<String,? extends T> mappingFunction)

isClosed

public boolean isClosed()

Specified by:

isClosed in interface SolrCloseable

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException