Package org.ametys.web.cache.monitoring.ui

Class ServersCacheStatsGenerator

java.lang.Object

org.apache.avalon.framework.logger.AbstractLogEnabled

org.apache.cocoon.xml.AbstractXMLProducer

org.apache.cocoon.generation.AbstractGenerator

org.apache.cocoon.generation.ServiceableGenerator

org.ametys.web.cache.monitoring.ui.ServersCacheStatsGenerator

All Implemented Interfaces:

Poolable, Recyclable, Disposable, Component, LogEnabled, Serviceable, Generator, SitemapModelComponent, XMLProducer

public class ServersCacheStatsGenerator
extends ServiceableGenerator

Cache stats generator grouping data collected across each server cache (http server/front/back)

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	ServersCacheStatsGenerator.BackStatsEntry	Object model representing an entry of stats for a back resource (ie.
protected class	ServersCacheStatsGenerator.FrontFromFrontStatsEntry	Object model representing an entry of stats for a front resource, coming from the Front (direct request to tomcat, bypassing any HTTP server if any).
protected class	ServersCacheStatsGenerator.FrontFromHTTPServerStatsEntry	Object model representing an entry of stats for a front resource, coming from httpserver
protected class	ServersCacheStatsGenerator.RawStatsEntry	Object model representing a raw entry of stats retrieved through the DB.

Field Summary

Fields

Modifier and Type	Field	Description
protected Map<String,ServersCacheStatsGenerator.BackStatsEntry>	_backStats	Map containing back stats entries classified by path
protected Map<String,Map<String,ServersCacheStatsGenerator.FrontFromFrontStatsEntry>>	_fromFrontOnlyStats	Multimap containing (only) front stats entries classified by site name and path
protected Map<String,Map<String,ServersCacheStatsGenerator.FrontFromHTTPServerStatsEntry>>	_fromHTTPServerStats	Multimap containing httpserver stats entries classified by site name and path
protected Map<String,Multimap<String,String>>	_pathMaps	Multimaps representing the all the paths to the resources in a recursive way.
protected Multimap<String,String>	_pathSanitizer	This multimap associates site names to a list of prefix.
protected ResourceStatisticsComponent	_resourceStatisticsCmp	Resource statistics component
protected SiteManager	_siteManager	Ametys resolver
protected static String[]	_SPECIAL_PATH_PREFIXS	List of paths used to during the sanitize process of the server path

Fields inherited from class org.apache.cocoon.generation.ServiceableGenerator

manager

Fields inherited from class org.apache.cocoon.generation.AbstractGenerator

objectModel, parameters, resolver, source

Fields inherited from class org.apache.cocoon.xml.AbstractXMLProducer

contentHandler, EMPTY_CONTENT_HANDLER, lexicalHandler, xmlConsumer

Fields inherited from interface org.apache.cocoon.generation.Generator

ROLE

Constructor Summary

Constructors

Constructor	Description
ServersCacheStatsGenerator()

Method Summary

Modifier and Type	Method	Description
private void	__addAttrIfNotNull(AttributesImpl attrs, String localName, Boolean value)
private void	__addAttrIfNotNull(AttributesImpl attrs, String localName, String value)
private void	_addToFrontOnlyStats(ServersCacheStatsGenerator.FrontFromFrontStatsEntry frontEntry)
private void	_addToHTTPServerStats(ServersCacheStatsGenerator.FrontFromHTTPServerStatsEntry httpServerEntry)
private List<ServersCacheStatsGenerator.RawStatsEntry>	_getStatsFromDb(String siteName)	Retrieves raw statistics information
private void	_initializeStats(List<ServersCacheStatsGenerator.RawStatsEntry> rawStats)	Organize the different Map of stats
private void	_internalRegisterPath(Multimap<String,String> pathMap, String consumed, LinkedList<String> tail)	Populate the path map using recursion.
private List<ServersCacheStatsGenerator.RawStatsEntry>	_processCacheStatsResultSet(List<Map<String,Object>> rawCacheStats)
private void	_registerPath(String serverSite, String path)
private void	_saxStatsBackEntry(ServersCacheStatsGenerator.BackStatsEntry backEntry)
private void	_saxStatsBySite(Site site)
private void	_saxStatsEntry(String name, String path, Multimap<String,String> pathMap, Map<String,ServersCacheStatsGenerator.FrontFromHTTPServerStatsEntry> httpServerEntries, Map<String,ServersCacheStatsGenerator.FrontFromFrontStatsEntry> frontEntries)
private void	_saxStatsFrontEntry(ServersCacheStatsGenerator.FrontFromFrontStatsEntry frontEntry)
private void	_saxStatsHTTPServerEntry(ServersCacheStatsGenerator.FrontFromHTTPServerStatsEntry httpServerEntry)
private void	_saxStatsOrphanEntries()
void	generate()
void	recycle()
void	service(ServiceManager sm)

Methods inherited from class org.apache.cocoon.generation.ServiceableGenerator

dispose

Methods inherited from class org.apache.cocoon.generation.AbstractGenerator

setup

Methods inherited from class org.apache.cocoon.xml.AbstractXMLProducer

setConsumer, setContentHandler, setLexicalHandler

Methods inherited from class org.apache.avalon.framework.logger.AbstractLogEnabled

enableLogging, getLogger, setupLogger, setupLogger, setupLogger

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.cocoon.xml.XMLProducer

setConsumer

Field Detail

_SPECIAL_PATH_PREFIXS

protected static final String[] _SPECIAL_PATH_PREFIXS

List of paths used to during the sanitize process of the server path

_resourceStatisticsCmp

protected ResourceStatisticsComponent _resourceStatisticsCmp

Resource statistics component

_siteManager

protected SiteManager _siteManager

Ametys resolver

_pathSanitizer

protected Multimap<String,String> _pathSanitizer

This multimap associates site names to a list of prefix. This is needed to sanitize the server path.

_pathMaps

protected Map<String,Multimap<String,String>> _pathMaps

Multimaps representing the all the paths to the resources in a recursive way. The map key's are the site names.

_fromHTTPServerStats

protected Map<String,Map<String,ServersCacheStatsGenerator.FrontFromHTTPServerStatsEntry>> _fromHTTPServerStats

Multimap containing httpserver stats entries classified by site name and path

_fromFrontOnlyStats

protected Map<String,Map<String,ServersCacheStatsGenerator.FrontFromFrontStatsEntry>> _fromFrontOnlyStats

Multimap containing (only) front stats entries classified by site name and path

_backStats

protected Map<String,ServersCacheStatsGenerator.BackStatsEntry> _backStats

Map containing back stats entries classified by path

Constructor Detail

ServersCacheStatsGenerator

public ServersCacheStatsGenerator()

Method Detail

service

public void service(ServiceManager sm)
             throws ServiceException

Specified by:

service in interface Serviceable

Overrides:

service in class ServiceableGenerator

Throws:

ServiceException

generate

public void generate()
              throws IOException,
                     SAXException,
                     ProcessingException

Throws:

IOException

SAXException

ProcessingException

recycle

public void recycle()

Specified by:

recycle in interface Recyclable

Overrides:

recycle in class AbstractGenerator

_getStatsFromDb

private List<ServersCacheStatsGenerator.RawStatsEntry> _getStatsFromDb(String siteName)
                                                                throws ProcessingException

Retrieves raw statistics information

Parameters:

siteName - The site name

Returns:

a list of ServersCacheStatsGenerator.RawStatsEntry

Throws:

ProcessingException - if an error occurs

_processCacheStatsResultSet

private List<ServersCacheStatsGenerator.RawStatsEntry> _processCacheStatsResultSet(List<Map<String,Object>> rawCacheStats)
                                                                            throws SQLException

Throws:

SQLException

_initializeStats

private void _initializeStats(List<ServersCacheStatsGenerator.RawStatsEntry> rawStats)

Organize the different Map of stats

Parameters:

rawStats - the raw statistics

_addToHTTPServerStats

private void _addToHTTPServerStats(ServersCacheStatsGenerator.FrontFromHTTPServerStatsEntry httpServerEntry)

_addToFrontOnlyStats

private void _addToFrontOnlyStats(ServersCacheStatsGenerator.FrontFromFrontStatsEntry frontEntry)

_registerPath

private void _registerPath(String serverSite,
                           String path)

_internalRegisterPath

private void _internalRegisterPath(Multimap<String,String> pathMap,
                                   String consumed,
                                   LinkedList<String> tail)

Populate the path map using recursion.

Parameters:

pathMap - Multimap representing the paths to the resources within a site.

consumed - the consumed part of the current path being registered.

tail - tail of the current path being registered. The tail will be consumed in the recursive nested calls of this internal function.

_saxStatsBySite

private void _saxStatsBySite(Site site)
                      throws SAXException

Throws:

SAXException

_saxStatsEntry

private void _saxStatsEntry(String name,
                            String path,
                            Multimap<String,String> pathMap,
                            Map<String,ServersCacheStatsGenerator.FrontFromHTTPServerStatsEntry> httpServerEntries,
                            Map<String,ServersCacheStatsGenerator.FrontFromFrontStatsEntry> frontEntries)
                     throws SAXException

Throws:

SAXException

_saxStatsHTTPServerEntry

private void _saxStatsHTTPServerEntry(ServersCacheStatsGenerator.FrontFromHTTPServerStatsEntry httpServerEntry)
                               throws SAXException

Throws:

SAXException

_saxStatsFrontEntry

private void _saxStatsFrontEntry(ServersCacheStatsGenerator.FrontFromFrontStatsEntry frontEntry)
                          throws SAXException

Throws:

SAXException

_saxStatsBackEntry

private void _saxStatsBackEntry(ServersCacheStatsGenerator.BackStatsEntry backEntry)
                         throws SAXException

Throws:

SAXException

_saxStatsOrphanEntries

private void _saxStatsOrphanEntries()
                             throws SAXException

Throws:

SAXException

__addAttrIfNotNull

private void __addAttrIfNotNull(AttributesImpl attrs,
                                String localName,
                                String value)

__addAttrIfNotNull

private void __addAttrIfNotNull(AttributesImpl attrs,
                                String localName,
                                Boolean value)