Package org.eclipse.rdf4j.workbench.commands

Class ExploreServlet

java.lang.Object

org.eclipse.rdf4j.workbench.base.AbstractServlet

org.eclipse.rdf4j.workbench.base.AbstractRepositoryServlet

org.eclipse.rdf4j.workbench.base.TransformationServlet

org.eclipse.rdf4j.workbench.base.TupleServlet

org.eclipse.rdf4j.workbench.commands.ExploreServlet

All Implemented Interfaces:

javax.servlet.Servlet, RepositoryServlet

public class ExploreServlet
extends TupleServlet

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	ExploreServlet.ResultCursor	Class for keeping track of location within the result set, relative to offset and limit.

Field Summary

Fields

Modifier and Type	Field	Description
protected static String	LIMIT
protected static int	LIMIT_DEFAULT

Fields inherited from class org.eclipse.rdf4j.workbench.base.TupleServlet

variables, xsl

Fields inherited from class org.eclipse.rdf4j.workbench.base.TransformationServlet

CONTEXT, cookies, INFO, NON_VERIFYING_PARSER_CONFIG

Fields inherited from class org.eclipse.rdf4j.workbench.base.AbstractRepositoryServlet

info, manager, MANAGER_PARAM, repository, REPOSITORY_PARAM, vf

Fields inherited from class org.eclipse.rdf4j.workbench.base.AbstractServlet

ACCEPT, appConfig, APPLICATION_JAVASCRIPT, APPLICATION_SPARQL_RESULTS_XML, APPLICATION_XML, config, DEFAULT_JSONP_CALLBACK_PARAMETER, JSONP_CALLBACK_PARAMETER, JSONP_ENABLED, JSONP_VALIDATOR, log, MOZILLA, MSIE, SERVER_PASSWORD, SERVER_USER, SERVER_USER_PASSWORD, TEXT_HTML, TEXT_PLAIN, USER_AGENT

Constructor Summary

Constructors

Constructor	Description
ExploreServlet()

Method Summary

Modifier and Type	Method	Description
String[]	getCookieNames()
protected ExploreServlet.ResultCursor	processResource(RepositoryConnection con, TupleResultBuilder builder, Value value, int offset, int limit, boolean render)	Query the repository for all instances of the given value, optionally writing the results into the HTTP response.
void	service(WorkbenchRequest req, javax.servlet.http.HttpServletResponse resp, String xslPath)
protected void	service(WorkbenchRequest req, javax.servlet.http.HttpServletResponse resp, TupleResultBuilder builder, RepositoryConnection con)

Methods inherited from class org.eclipse.rdf4j.workbench.base.TupleServlet

service

Methods inherited from class org.eclipse.rdf4j.workbench.base.TransformationServlet

doPost, init, service, service

Methods inherited from class org.eclipse.rdf4j.workbench.base.AbstractRepositoryServlet

setRepository, setRepositoryInfo, setRepositoryManager

Methods inherited from class org.eclipse.rdf4j.workbench.base.AbstractServlet

checkJSONP, destroy, getBooleanResultFormat, getJSONPResultFormat, getResultWriter, getServletConfig, getServletInfo, getTupleResultBuilder, getTupleResultFormat, service

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.servlet.Servlet

destroy, getServletConfig, getServletInfo, service

Field Detail

LIMIT

protected static final String LIMIT

See Also:

Constant Field Values

LIMIT_DEFAULT

protected static final int LIMIT_DEFAULT

See Also:

Constant Field Values

Constructor Detail

ExploreServlet

public ExploreServlet()

Method Detail

getCookieNames

public String[] getCookieNames()

Overrides:

getCookieNames in class TransformationServlet

service

public void service(WorkbenchRequest req,
                    javax.servlet.http.HttpServletResponse resp,
                    String xslPath)
             throws Exception

Overrides:

service in class TupleServlet

Throws:

Exception

service

protected void service(WorkbenchRequest req,
                       javax.servlet.http.HttpServletResponse resp,
                       TupleResultBuilder builder,
                       RepositoryConnection con)
                throws BadRequestException,
                       RDF4JException

Overrides:

service in class TupleServlet

Throws:

BadRequestException

RDF4JException

processResource

protected ExploreServlet.ResultCursor processResource(RepositoryConnection con,
                                                      TupleResultBuilder builder,
                                                      Value value,
                                                      int offset,
                                                      int limit,
                                                      boolean render)
                                               throws RDF4JException

Query the repository for all instances of the given value, optionally writing the results into the HTTP response.

Parameters:

con - the connection to the repository

builder - used for writing to the HTTP response

value - the value to query the repository for

offset - The result at which to start rendering results.

limit - The limit on the number of results to render.

render - If false, suppresses output to the HTTP response.

Returns:

The count of all triples in the repository using the given value.

Throws:

RDF4JException - if there is an issue iterating through results