org.apache.velocity.util.introspection

Class IntrospectorCache

java.lang.Object

org.apache.velocity.util.introspection.IntrospectorCache

public final class IntrospectorCache
extends Object

This is the internal introspector cache implementation.

Since:

1.5

Version:

$Id: IntrospectorCache.java 1855206 2019-03-11 11:09:53Z cbrisson $

Author:

Henning P. Schmiedehausen, Candid Dauth

Field Summary

Fields

Modifier and Type	Field and Description
static String	CACHEDUMP_MSG define a public string so that it can be looked for if interested

Constructor Summary

Constructors

Constructor and Description
IntrospectorCache(org.slf4j.Logger log, TypeConversionHandler conversionHandler) C'tor

Method Summary

Modifier and Type	Method and Description
void	clear() Clears the internal cache.
ClassMap	get(Class c) Lookup a given Class object in the cache.
ClassFieldMap	getFieldMap(Class c) Lookup a given Class object in the cache.
ClassMap	put(Class c) Creates a class map for specific class and registers it in the cache.

Methods inherited from class java.lang.Object

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

Field Detail

CACHEDUMP_MSG

public static final String CACHEDUMP_MSG

define a public string so that it can be looked for if interested

See Also:

Constant Field Values

Constructor Detail

IntrospectorCache

public IntrospectorCache(org.slf4j.Logger log,
                         TypeConversionHandler conversionHandler)

C'tor

Parameters:

log - logger.

conversionHandler - conversion handler

Method Detail

clear

public void clear()

Clears the internal cache.

get

public ClassMap get(Class c)

Lookup a given Class object in the cache. If it does not exist, check whether this is due to a class change and purge the caches eventually.

Parameters:

c - The class to look up.

Returns:

A ClassMap object or null if it does not exist in the cache.

getFieldMap

public ClassFieldMap getFieldMap(Class c)

Lookup a given Class object in the cache. If it does not exist, check whether this is due to a class change and purge the caches eventually.

Parameters:

c - The class to look up.

Returns:

A ClassFieldMap object or null if it does not exist in the cache.

put

public ClassMap put(Class c)

Creates a class map for specific class and registers it in the cache. Also adds the qualified name to the name->class map for later Classloader change detection.

Parameters:

c - The class for which the class map gets generated.

Returns:

A ClassMap object.