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Teko_RequestHandler_impl.hpp
1/*
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3//
4// ***********************************************************************
5//
6// Teko: A package for block and physics based preconditioning
7// Copyright 2010 Sandia Corporation
8//
9// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
10// the U.S. Government retains certain rights in this software.
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45*/
46
47#ifndef __Teko_RequestHandler_impl_hpp__
48#define __Teko_RequestHandler_impl_hpp__
49
50template <typename DataT>
51DataT RequestHandler::request(const RequestMesg & rd) const
52{
53 using Teuchos::RCP;
54 using Teuchos::rcp_dynamic_cast;
55
56 // type of call back to use
57 typedef RequestCallback<DataT> CallbackT;
58
59 // distribute message over all callbacks
60 std::vector<RCP<RequestCallbackBase> >::iterator itr;
61 for(itr=callbacks_.begin();itr!=callbacks_.end();++itr) {
62 RCP<CallbackT> cb = rcp_dynamic_cast<CallbackT>(*itr);
63
64 // call back not right type
65 if(cb==Teuchos::null)
66 continue;
67
68 // does call back handle this request?
69 if(cb->handlesRequest(rd))
70 return cb->request(rd);
71 }
72
73 TEUCHOS_TEST_FOR_EXCEPTION(true,std::runtime_error,
74 "RequestHandler::request could not find appropriate callback: " << rd);
75}
76
77template <typename DataT>
78void RequestHandler::preRequest(const RequestMesg & rd) const
79{
80 using Teuchos::RCP;
81 using Teuchos::rcp_dynamic_cast;
82
83 // type of call back to use
84 typedef RequestCallback<DataT> CallbackT;
85
86 // distribute message over all callbacks
87 std::vector<RCP<RequestCallbackBase> >::iterator itr;
88 for(itr=callbacks_.begin();itr!=callbacks_.end();++itr) {
89 RCP<CallbackT> cb = rcp_dynamic_cast<CallbackT>(*itr);
90
91 // call back not right type
92 if(cb==Teuchos::null)
93 continue;
94
95 // does call back handle this request?
96 if(cb->handlesRequest(rd))
97 return cb->preRequest(rd);
98 }
99
100 TEUCHOS_TEST_FOR_EXCEPTION(true,std::runtime_error,
101 "RequestHandler::preRequest could not find appropriate callback: " << rd);
102}
103
104#endif