unidue.ub.statistics.admin

Class NotationDAO

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

org.mycore.frontend.servlets.MCRServlet

unidue.ub.statistics.frontend.FachRefServlet

unidue.ub.statistics.admin.NotationDAO

All Implemented Interfaces:

java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig, org.quartz.Job

@WebServlet(value="/admin/buildNotationIndex")
public class NotationDAO
extends FachRefServlet
implements org.quartz.Job

Builds an index of notations to allow retrieval of regions by JPA queries.

Version:

1

Author:

Eike Spielberg

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
NotationDAO()

Method Summary

Modifier and Type	Method and Description
void	buildIndexfromGHBSYS() reads in the notations from a list of systematik.xml files and builds the corresponding index.
void	doGetPost(org.mycore.frontend.servlets.MCRServletJob job) updates the index of Notation and NotationsPerSubject
void	execute(org.quartz.JobExecutionContext context) execute method to be called by the quartz framework.
static java.util.List<Notation>	getNotationsForSubjectID(java.lang.String subjectID) retrieves a list of Notation-objects from the index of notations by a given subject ID.
static java.util.List<Notation>	getNotationsList(java.util.Hashtable<java.lang.String,java.lang.String> notationsRange) retrieves a list of Notation-objects from the index of notations.
static java.util.List<Notation>	getNotationsList(java.lang.String notations) retrieves a list of Notation-objects from the index of notations.
static java.lang.String	getNotationsRange(java.lang.String subjectID) retrieves a the range of notations for a given subject ID

Methods inherited from class unidue.ub.statistics.frontend.FachRefServlet

getParameter, prepareOutput, prepareOutput, prepareOutput, sendOutput

Methods inherited from class org.mycore.frontend.servlets.MCRServlet

doGet, doPost, encodeURL, getLayoutService, getProperty, getServletBaseURL, getSession, init

Methods inherited from class javax.servlet.http.HttpServlet

service

Methods inherited from class javax.servlet.GenericServlet

destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, log, log

Methods inherited from class java.lang.Object

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

Constructor Detail

NotationDAO

public NotationDAO()

Method Detail

doGetPost

public void doGetPost(org.mycore.frontend.servlets.MCRServletJob job)
               throws java.io.IOException,
                      org.jdom2.JDOMException

updates the index of Notation and NotationsPerSubject

Overrides:

doGetPost in class org.mycore.frontend.servlets.MCRServlet

Parameters:

job - MCRServletJob

Throws:

java.io.IOException

org.jdom2.JDOMException

execute

public void execute(org.quartz.JobExecutionContext context)

execute method to be called by the quartz framework.

Specified by:

execute in interface org.quartz.Job

Parameters:

context - job execution context from the quartz framework

getNotationsList

public static java.util.List<Notation> getNotationsList(java.lang.String notations)

retrieves a list of Notation-objects from the index of notations. The notations may have different notations as well as regions, separated by ',' and '-' , respectively.

Parameters:

notations - a string containing the first and last notation, separated by a '-'

Returns:

notationsFound a list of Notation objects.

getNotationsList

public static java.util.List<Notation> getNotationsList(java.util.Hashtable<java.lang.String,java.lang.String> notationsRange)

retrieves a list of Notation-objects from the index of notations.

Parameters:

notationsRange - a Hashtable containing the first ('von') and the last notation ('bis')

Returns:

notationsFound a list of Notation objects

getNotationsRange

public static java.lang.String getNotationsRange(java.lang.String subjectID)

retrieves a the range of notations for a given subject ID

Parameters:

subjectID - the subject ID

Returns:

String a string containing the first and last notation, separated by a '-'

getNotationsForSubjectID

public static java.util.List<Notation> getNotationsForSubjectID(java.lang.String subjectID)

retrieves a list of Notation-objects from the index of notations by a given subject ID.

Parameters:

subjectID - the subject ID

Returns:

notationsFound a list of Notation objects.

buildIndexfromGHBSYS

public void buildIndexfromGHBSYS()
                          throws java.io.IOException,
                                 org.jdom2.JDOMException

reads in the notations from a list of systematik.xml files and builds the corresponding index.

Throws:

java.io.IOException - exception while reading systematik.xml file from disk

org.jdom2.JDOMException - exception upon parsing the systematik.xml file