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<hr><h1>ConsumerAdmin.cc</h1><a href="a00083.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 <font class="comment">// Package : omniEvents</font>
00002 <font class="comment">// ConsumerAdmin.cc Created : 2003/12/04</font>
00003 <font class="comment">// Author : Alex Tingle</font>
00004 <font class="comment">//</font>
00005 <font class="comment">// Copyright (C) 2003 Alex Tingle.</font>
00006 <font class="comment">//</font>
00007 <font class="comment">// This file is part of the omniEvents application.</font>
00008 <font class="comment">//</font>
00009 <font class="comment">// omniEvents is free software; you can redistribute it and/or</font>
00010 <font class="comment">// modify it under the terms of the GNU Lesser General Public</font>
00011 <font class="comment">// License as published by the Free Software Foundation; either</font>
00012 <font class="comment">// version 2.1 of the License, or (at your option) any later version.</font>
00013 <font class="comment">//</font>
00014 <font class="comment">// omniEvents is distributed in the hope that it will be useful,</font>
00015 <font class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00016 <font class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00017 <font class="comment">// Lesser General Public License for more details.</font>
00018 <font class="comment">//</font>
00019 <font class="comment">// You should have received a copy of the GNU Lesser General Public</font>
00020 <font class="comment">// License along with this library; if not, write to the Free Software</font>
00021 <font class="comment">// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</font>
00022 <font class="comment">//</font>
00023
00024 <font class="preprocessor">#include "<a class="code" href="a00084.html">ConsumerAdmin.h</a>"</font>
00025
00026 <font class="preprocessor">#include "<a class="code" href="a00093.html">EventChannel.h</a>"</font>
00027 <font class="preprocessor">#include "<a class="code" href="a00127.html">ProxyPushSupplier.h</a>"</font>
00028 <font class="preprocessor">#include "<a class="code" href="a00123.html">ProxyPullSupplier.h</a>"</font>
00029 <font class="preprocessor">#include "<a class="code" href="a00115.html">Orb.h</a>"</font>
00030 <font class="preprocessor">#include "<a class="code" href="a00117.html">PersistNode.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="a00101.html">Filter.h</a>"</font>
00032
00033 <font class="keyword">namespace </font>OmniEvents {
00034
00035
00036 CosEventChannelAdmin::ProxyPushSupplier_ptr
<a name="l00037"></a><a class="code" href="a00043.html#a0">00037</a> ConsumerAdmin_i::obtain_push_supplier()
00038 {
00039 <font class="keywordflow">if</font>(!<a class="code" href="a00043.html#o2">_pushSupplier</a>)
00040 {
00041 <a class="code" href="a00043.html#o2">_pushSupplier</a>=<font class="keyword">new</font> <a class="code" href="a00070.html">ProxyPushSupplierManager</a>(<a class="code" href="a00073.html#n0">_poa</a>,<a class="code" href="a00043.html#o1">_queue</a>);
00042 <a class="code" href="a00043.html#o2">_pushSupplier</a>-><a class="code" href="a00070.html#a7">_add_ref</a>();
00043 }
00044 <font class="keywordflow">return</font> <a class="code" href="a00043.html#o2">_pushSupplier</a>-><a class="code" href="a00070.html#a4">createObject</a>();
00045 }
00046
00047
00048 CosEventChannelAdmin::ProxyPullSupplier_ptr
<a name="l00049"></a><a class="code" href="a00043.html#a1">00049</a> ConsumerAdmin_i::obtain_pull_supplier()
00050 {
00051 <font class="keywordflow">if</font>(!<a class="code" href="a00043.html#o3">_pullSupplier</a>)
00052 <a class="code" href="a00043.html#o3">_pullSupplier</a>=<font class="keyword">new</font> <a class="code" href="a00066.html">ProxyPullSupplierManager</a>(<a class="code" href="a00043.html#o0">_channel</a>,<a class="code" href="a00073.html#n0">_poa</a>,<a class="code" href="a00043.html#o1">_queue</a>);
00053 <font class="keywordflow">return</font> <a class="code" href="a00043.html#o3">_pullSupplier</a>-><a class="code" href="a00066.html#a3">createObject</a>();
00054 }
00055
00056
<a name="l00057"></a><a class="code" href="a00043.html#a2">00057</a> ConsumerAdmin_i::ConsumerAdmin_i(
00058 <font class="keyword">const</font> <a class="code" href="a00046.html">EventChannel_i</a>& channel,
00059 PortableServer::POA_ptr poa
00060 )
00061 : <a class="code" href="a00073.html">Servant</a>(poa),
00062 _channel(channel),
00063 _queue(channel.maxQueueLength()),
00064 _pushSupplier(NULL),
00065 _pullSupplier(NULL)
00066 {
00067 <font class="keywordflow">if</font>(<a class="code" href="a00043.html#o0">_channel</a>.<a class="code" href="a00046.html#a11">properties</a>().<a class="code" href="a00060.html#a10">hasAttr</a>(<font class="stringliteral">"FilterId"</font>))
00068 {
00069 string rid =<a class="code" href="a00043.html#o0">_channel</a>.<a class="code" href="a00046.html#a11">properties</a>().<a class="code" href="a00060.html#a11">attrString</a>(<font class="stringliteral">"FilterId"</font>);
00070 <a class="code" href="a00043.html#o1">_queue</a>.<a class="code" href="a00049.html#a2">setFilter</a>(<font class="keyword">new</font> <a class="code" href="a00052.html">FilterByRepositoryId</a>(rid.c_str()));
00071 }
00072 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(<a class="code" href="a00043.html#o0">_channel</a>.<a class="code" href="a00046.html#a11">properties</a>().<a class="code" href="a00060.html#a10">hasAttr</a>(<font class="stringliteral">"FilterKind"</font>))
00073 {
00074 CORBA::TCKind kind =
00075 CORBA::TCKind(<a class="code" href="a00043.html#o0">_channel</a>.<a class="code" href="a00046.html#a11">properties</a>().<a class="code" href="a00060.html#a12">attrLong</a>(<font class="stringliteral">"FilterKind"</font>));
00076 <a class="code" href="a00043.html#o1">_queue</a>.<a class="code" href="a00049.html#a2">setFilter</a>(<font class="keyword">new</font> <a class="code" href="a00053.html">FilterByTCKind</a>(kind));
00077 }
00078
00079 <a class="code" href="a00073.html#b1">activateObjectWithId</a>(<font class="stringliteral">"ConsumerAdmin"</font>);
00080 _remove_ref();
00081 }
00082
00083
<a name="l00084"></a><a class="code" href="a00043.html#a3">00084</a> ConsumerAdmin_i::~ConsumerAdmin_i()
00085 {
00086 <font class="keywordflow">if</font>(_pushSupplier)
00087 {
00088 <a class="code" href="a00043.html#o2">_pushSupplier</a>-><a class="code" href="a00070.html#a8">_remove_ref</a>(); <font class="comment">// terminates thread.</font>
00089 <a class="code" href="a00043.html#o2">_pushSupplier</a>=NULL;
00090 }
00091 <a class="code" href="a00115.html#a2">DB</a>(20,<font class="stringliteral">"~ConsumerAdmin_i()"</font>)
00092 }
00093
00094
<a name="l00095"></a><a class="code" href="a00043.html#a4">00095</a> <font class="keywordtype">void</font> ConsumerAdmin_i::send(CORBA::Any* event)
00096 {
00097 <a class="code" href="a00071.html">ProxyPushSupplierManager::PauseThenWake</a> p(<a class="code" href="a00043.html#o2">_pushSupplier</a>);
00098 <a class="code" href="a00043.html#o1">_queue</a>.<a class="code" href="a00049.html#a3">append</a>(event);
00099 }
00100
00101
<a name="l00102"></a><a class="code" href="a00043.html#a5">00102</a> <font class="keywordtype">void</font> ConsumerAdmin_i::send(list<CORBA::Any*>& events)
00103 {
00104 <font class="keywordflow">if</font>(!events.empty())
00105 {
00106 <a class="code" href="a00071.html">ProxyPushSupplierManager::PauseThenWake</a> p(<a class="code" href="a00043.html#o2">_pushSupplier</a>);
00107 <font class="keywordflow">for</font>(list<CORBA::Any*>::iterator i=events.begin(); i!=events.end(); ++i)
00108 <a class="code" href="a00043.html#o1">_queue</a>.<a class="code" href="a00049.html#a3">append</a>( *i );
00109 events.clear();
00110 }
00111 }
00112
00113
<a name="l00114"></a><a class="code" href="a00043.html#a6">00114</a> <font class="keywordtype">void</font> ConsumerAdmin_i::disconnect()
00115 {
00116 <font class="keywordflow">if</font>(_pushSupplier)
00117 <a class="code" href="a00043.html#o2">_pushSupplier</a>-><a class="code" href="a00070.html#a5">disconnect</a>();
00118 <font class="keywordflow">if</font>(_pullSupplier)
00119 <a class="code" href="a00043.html#o3">_pullSupplier</a>-><a class="code" href="a00066.html#a4">disconnect</a>();
00120 }
00121
00122
<a name="l00123"></a><a class="code" href="a00043.html#a7">00123</a> <font class="keywordtype">void</font> ConsumerAdmin_i::reincarnate(<font class="keyword">const</font> <a class="code" href="a00060.html">PersistNode</a>& node)
00124 {
00125 <font class="comment">// Build Push Supplier proxies</font>
00126 <a class="code" href="a00060.html">PersistNode</a>* pushsNode =node.<a class="code" href="a00060.html#a13">child</a>(<font class="stringliteral">"ProxyPushSupplier"</font>);
00127 <font class="keywordflow">if</font>(pushsNode && !pushsNode-><a class="code" href="a00060.html#m0">_child</a>.empty())
00128 {
00129 <a class="code" href="a00043.html#o2">_pushSupplier</a>=<font class="keyword">new</font> <a class="code" href="a00070.html">ProxyPushSupplierManager</a>(<a class="code" href="a00073.html#n0">_poa</a>,<a class="code" href="a00043.html#o1">_queue</a>);
00130 <a class="code" href="a00043.html#o2">_pushSupplier</a>-><a class="code" href="a00070.html#a7">_add_ref</a>();
00131 <a class="code" href="a00043.html#o2">_pushSupplier</a>-><a class="code" href="a00062.html#a1">reincarnate</a>(*pushsNode);
00132 }
00133
00134 <font class="comment">// Build Pull Supplier proxies</font>
00135 <a class="code" href="a00060.html">PersistNode</a>* pullsNode =node.<a class="code" href="a00060.html#a13">child</a>(<font class="stringliteral">"ProxyPullSupplier"</font>);
00136 <font class="keywordflow">if</font>(pullsNode && !pullsNode-><a class="code" href="a00060.html#m0">_child</a>.empty())
00137 {
00138 <a class="code" href="a00043.html#o3">_pullSupplier</a>=<font class="keyword">new</font> <a class="code" href="a00066.html">ProxyPullSupplierManager</a>(<a class="code" href="a00043.html#o0">_channel</a>,<a class="code" href="a00073.html#n0">_poa</a>,<a class="code" href="a00043.html#o1">_queue</a>);
00139 <a class="code" href="a00043.html#o3">_pullSupplier</a>-><a class="code" href="a00062.html#a1">reincarnate</a>(*pullsNode);
00140 }
00141 }
00142
00143
<a name="l00144"></a><a class="code" href="a00043.html#a8">00144</a> <font class="keywordtype">void</font> ConsumerAdmin_i::output(ostream& os)
00145 {
00146 <font class="keywordflow">if</font>(_pushSupplier)
00147 {
00148 omni_mutex_lock l(<a class="code" href="a00043.html#o2">_pushSupplier</a>-><a class="code" href="a00070.html#m0">_lock</a>);
00149 <a class="code" href="a00043.html#o2">_pushSupplier</a>-><a class="code" href="a00062.html#a2">output</a>(os);
00150 }
00151 <font class="keywordflow">if</font>(_pullSupplier)
00152 {
00153 <a class="code" href="a00043.html#o3">_pullSupplier</a>-><a class="code" href="a00062.html#a2">output</a>(os);
00154 }
00155 }
00156
00157
00158 }; <font class="comment">// end namespace OmniEvents</font>
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