<%@ page import="com.kesoftware.imu.*" %>
<%
/*
* Create new session object.
*/
Session imuSession = new Session();
imuSession.setHost("imu.mel.kesoftware.com");
/*
* Work out what port to connect to.
*/
int port = 40136;
if (request.getParameter("port") != null)
port = Integer.parseInt(request.getParameter("port"));
imuSession.setPort(port);
// example-2
/*
* Establish connection and tell the server we may want to re-connect.
*/
imuSession.connect();
imuSession.setSuspend(true);
// example-3
/*
* Create module object and tell the server not to destroy it.
*/
Module module = new Module("eparties", imuSession);
module.setDestroy(false);
// example-4
/* If name is supplied, do new search. The search term is passed from
* example.html using GET.
*/
if (request.getParameter("name") != null)
{
Terms terms = new Terms(TermsKind.OR);
terms.add("NamLast", request.getParameter("name"));
module.findTerms(terms);
}
/*
* Otherwise, if id is supplied reattach to existing server-side object.
*/
else if (request.getParameter("id") != null)
{
module.setID(request.getParameter("id"));
}
/*
* Otherwise, we can't process.
*/
else
{
throw new Exception("no name or id");
}
// example-5
String[] columns = { "NamFirst", "NamLast" };
// example-6
/*
* Work out which block of records to fetch.
*/
int rownum = 1;
if (request.getParameter("rownum") != null)
rownum = Integer.parseInt(request.getParameter("rownum"));
// example-7
/*
* Fetch next five records
*/
ModuleFetchResult result = module.fetch("start", (rownum - 1), 5, columns);
long hits = result.getHits();
/*
* Save rows in convenient variable for later use.
*/
Map[] rows = result.getRows();
/*
* Build the results page
*/
%>
IMu JAVA API - Maintaining State
Number of matches: <% out.print(hits); %>
<%
// Display each match in a separate row in a table
for (int i = 0; i < rows.length; i++)
{
Map row = rows[i];
Long num = row.getLong("rownum");
out.println("");
out.println("\t| " + num.toString() + " | ");
out.println("\t" + row.getString("NamFirst") + " " +
row.getString("NamLast") + "");
}
%>
|
<%
// example-8
/*
* Add the Prev and Next links
*/
String url = request.getRequestURL().toString();
url += "?port=" + imuSession.getPort();
url += "&id=" + module.getID();
// example-9
Map first = rows[0];
if (first.getLong("rownum") > 1)
{
Long prev = (first.getLong("rownum") - 5);
if (prev < 1L)
prev = 1L;
out.println("Prev");
}
Map last = rows[rows.length - 1];
if (last.getLong("rownum") < hits)
{
Long next = last.getLong("rownum") + 1L;
out.println("Next");
}
%>