java - Spring JPA how to delete entry from ModelAndView and from view but leave it in db? -

i trying write web application can send messages between users. want add option allows remove message view, not db. how this?

controller:

@controller public class messagescontroller {  @autowired private messageservice messageservice;  @requestmapping(value = "/messages", method = requestmethod.get) modelandview messages(modelandview modelandview, @requestparam(value = "p",    defaultvalue = "1") int p) {      message message = new message();     authentication auth =   securitycontextholder.getcontext().getauthentication();      list<message> inbox = messageservice.getinbox(auth.getname());     list<message> outbox = messageservice.getoutbox(auth.getname());      modelandview.setviewname("app.messages");     modelandview.getmodel().put("message", message);      modelandview.getmodel().put("inbox", inbox);     modelandview.getmodel().put("outbox", outbox);      return modelandview;  }  @requestmapping(value = "/messages", method = requestmethod.post) modelandview messages(modelandview modelandview, message message) {      modelandview.setviewname("app.messages");      authentication auth =        securitycontextholder.getcontext().getauthentication();     message.setsender(auth.getname());     messageservice.send(message);     return modelandview;  }  } 

view:

<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form"%> <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%> <%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt"%>    <form:form commandname="message"> receiver: <form:input path="receiver" type="text" name="receiver"     class="form-control"></form:input> title: <form:input path="title" type="text" name="title" class="form-control">   </form:input> content: <form:textarea path="content" name="content" rows="5"     class="form-control"></form:textarea> <input type="submit" class="btn btn-default" value="send" />  </form:form> <br>  <div class="panel-group"> <div class="panel panel-default">     <div class="panel-heading">         <h4 class="panel-title">             <a data-toggle="collapse" href="#collapseinbox">inbox</a>         </h4>     </div>     <div id="collapseinbox" class="panel-collapse collapse">         <table class="table table-striped">             <thead>                 <tr>                     <th>title</th>                     <th>from</th>                     <th>content</th>                     <th>date</th>                 </tr>             </thead>             <tbody>                 <c:foreach items="${inbox}" var="qwe">                     <tr>                         <td class="col-md-2"><c:out value="${qwe.sender}">    </c:out></td>                         <td class="col-md-2"><c:out value="${qwe.title}"> </c:out></td>                         <td class="col-md-2"><c:out value="${qwe.content}"></c:out></td>                         <td class="col-md-2"><c:out value="${qwe.sent}"></c:out></td>                     </tr>                 </c:foreach>         </table>         <div class="panel-footer"></div>     </div> </div> </div>   <div class="panel-group"> <div class="panel panel-default">     <div class="panel-heading">         <h4 class="panel-title">             <a data-toggle="collapse" href="#collapseoutbox">outbox</a>         </h4>     </div>     <div id="collapseoutbox" class="panel-collapse collapse">         <table class="table table-striped">             <thead>                 <tr>                     <th>title</th>                     <th>to</th>                     <th>content</th>                     <th>date</th>                 </tr>             </thead>             <tbody>                 <c:foreach items="${outbox}" var="qwe">                     <tr>                         <td class="col-md-2"><c:out value="${qwe.sender}"></c:out></td>                         <td class="col-md-2"><c:out value="${qwe.title}"></c:out></td>                         <td class="col-md-2"><c:out value="${qwe.content}"></c:out></td>                         <td class="col-md-2"><c:out value="${qwe.sent}"></c:out></td>                     </tr>                 </c:foreach>         </table>         <div class="panel-footer"></div>     </div> </div> </div>