Package org.bsc.langgraph4j.studio.agui

Class AGUILangGraphStudioServer.StreamServlet

java.lang.Object

jakarta.servlet.GenericServlet

jakarta.servlet.http.HttpServlet

org.bsc.langgraph4j.studio.agui.AGUILangGraphStudioServer.StreamServlet

All Implemented Interfaces:

jakarta.servlet.Servlet, jakarta.servlet.ServletConfig, Serializable, LG4JLoggable

Enclosing interface:

AGUILangGraphStudioServer

public static class AGUILangGraphStudioServer.StreamServlet
extends jakarta.servlet.http.HttpServlet
implements LG4JLoggable

Servlet for handling graph stream requests.

See Also:

• Serialized Form

Field Summary

Fields inherited from class jakarta.servlet.http.HttpServlet

LEGACY_DO_HEAD

Fields inherited from interface org.bsc.langgraph4j.LG4JLoggable

log

Constructor Summary

Constructors

Constructor	Description
StreamServlet(AGUIAgentRegistry agentRegistry, AGUILangGraphStudioJacksonSerializer aguiSerializer)	Constructs a StreamServlet.

Method Summary

Modifier and Type	Method	Description
protected void	doDelete(jakarta.servlet.http.HttpServletRequest req, jakarta.servlet.http.HttpServletResponse resp)	Cancel running iteration
protected void	doPost(jakarta.servlet.http.HttpServletRequest req, jakarta.servlet.http.HttpServletResponse resp)	Handles POST requests to stream graph data.
void	init(jakarta.servlet.ServletConfig config)

Methods inherited from class jakarta.servlet.http.HttpServlet

doGet, doHead, doOptions, doPatch, doPut, doTrace, getLastModified, isSensitiveHeader, service, service

Methods inherited from class jakarta.servlet.GenericServlet

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

Methods inherited from class java.lang.Object

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

Constructor Details

StreamServlet

public StreamServlet(AGUIAgentRegistry agentRegistry,
 AGUILangGraphStudioJacksonSerializer aguiSerializer)

Constructs a StreamServlet.

Method Details

init

public void init(jakarta.servlet.ServletConfig config)
          throws jakarta.servlet.ServletException

Specified by:

init in interface jakarta.servlet.Servlet

Overrides:

init in class jakarta.servlet.http.HttpServlet

Throws:

jakarta.servlet.ServletException

doDelete

protected void doDelete(jakarta.servlet.http.HttpServletRequest req,
 jakarta.servlet.http.HttpServletResponse resp)
                 throws jakarta.servlet.ServletException,
IOException

Cancel running iteration

Overrides:

doDelete in class jakarta.servlet.http.HttpServlet

Throws:

jakarta.servlet.ServletException

IOException

doPost

protected void doPost(jakarta.servlet.http.HttpServletRequest req,
 jakarta.servlet.http.HttpServletResponse resp)
               throws jakarta.servlet.ServletException,
IOException

Handles POST requests to stream graph data.

Overrides:

doPost in class jakarta.servlet.http.HttpServlet

Parameters:

req - the HTTP req.

resp - the HTTP resp.

Throws:

jakarta.servlet.ServletException - if a servlet error occurs.

IOException - if an I/O error occurs.