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Posted to commits@mesos.apache.org by gi...@apache.org on 2018/07/13 22:04:50 UTC
[18/32] mesos-site git commit: Updated the website built from mesos
SHA: 73d1da0.
http://git-wip-us.apache.org/repos/asf/mesos-site/blob/dd06fd2f/content/api/latest/c++/sorter_8hpp_source.html
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<div class="title">sorter.hpp</div> </div>
</div><!--header-->
<div class="contents">
-<a href="sorter_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Licensed to the Apache Software Foundation (ASF) under one</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// or more contributor license agreements. See the NOTICE file</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// distributed with this work for additional information</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// regarding copyright ownership. The ASF licenses this file</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// to you under the Apache License, Version 2.0 (the</span></div><div class="line"><a name="l00006"></a><span clas
s="lineno"> 6</span> <span class="comment">// "License"); you may not use this file except in compliance</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// with the License. You may obtain a copy of the License at</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">//</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// distribute
d under the License is distributed on an "AS IS" BASIS,</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// limitations under the License.</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#ifndef __MASTER_ALLOCATOR_SORTER_SORTER_HPP__</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#define __MASTER_ALLOCATOR_SORTER_SORTER_HPP__</s
pan></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <functional></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <vector></span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <<a class="code" href="resources_8hpp.html">mesos/resources.hpp</a>></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <<a class="code" href="type__utils_8hpp.html">mesos/type_utils.hpp</a>>
</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <<a class="code" href="3rdparty_2libprocess_2include_2process_2pid_8hpp.html">process/pid.hpp</a>></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">namespace </span><a class="code" href="namespacemesos.html">mesos</a> {</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">namespace </span><a class="code" href="namespaceinternal.html">internal</a> {</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">namespace </span><a class="code" href="namespacemesos_1_1v1_1_1master.html">master</a> {</div><div class="line"><a name="l000
32"></a><span class="lineno"> 32</span> <span class="keyword">namespace </span>allocator {</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">// Sorters implement the logic for determining the</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment">// order in which users or frameworks should receive</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment">// resource allocations.</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">//</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// TODO(bmahler): Templatize this on Client, so that callers can</span></div><div class="line"><a name="l00039"></a><span class="l
ineno"> 39</span> <span class="comment">// don't need to do string conversion, e.g. FrameworkID, string role,</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">// etc.</span></div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html"> 41</a></span> <span class="keyword">class </span><a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html">Sorter</a></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> {</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#a3ff0ef79f7b92fa8863948b1ff0818a1">Sorter</a>() = <span class="keywordflow"
>default</span>;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="comment">// Provides the allocator's execution context (via a UPID)</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="comment">// and a name prefix in order to support metrics within the</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="comment">// sorter implementation.</span></div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#a378eedf4b183e753a28c052254e35854"> 49</a></span>  <span class="keyword">explicit</span> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#a378eedf4b183e753a28c052254e35854">Sorter</a>(</div><div class="line"><a name
="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">const</span> <a class="code" href="structprocess_1_1UPID.html">process::UPID</a>& allocator,</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">const</span> std::string& metricsPrefix) {}</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">virtual</span> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#a83252e954533dff4f7f203ac88ee9604">~Sorter</a>() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="comment">// Initialize the sorter.</span></div><div class="line"><a name="l00056"></a><span clas
s="lineno"> 56</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#a7b00c2839cd56edaa63b90d2df69068d">initialize</a>(</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">const</span> <a class="code" href="classOption.html">Option</a><std::set<std::string>>& fairnessExcludeResourceNames) = 0;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="comment">// Adds a client to allocate resources to.</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">// A client may be a user or a framework.</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="comment">//
This function will not activate the client.</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#ae645bdf8a874484f756227b38cee47c2">add</a>(<span class="keyword">const</span> std::string& client) = 0;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="comment">// Removes a client.</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <span class="keyword">remove</span>(<span class="keyword">const</span> std::string& client) = 0;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div><div class="line"><a name=
"l00067"></a><span class="lineno"> 67</span>  <span class="comment">// Readds a client to the sort after deactivate.</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">// It is a no-op if the client is already in the sort.</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#a5cf6097e09b3e14df330c98b74ce835c">activate</a>(<span class="keyword">const</span> std::string& client) = 0;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// Removes a client from the sort, so it won't get allocated to.</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</s
pan>  <span class="comment">// It is a no-op if the client is already not in the sort.</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#a89809af601bd43867795281acd18b64e">deactivate</a>(<span class="keyword">const</span> std::string& client) = 0;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="comment">// Updates the weight of a client path. This changes the sorter's</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">// behavior for all clients in the subtree identified by this path</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span
class="comment">// (both clients currently in the sorter and any clients that may be</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// added later). If a client's weight is not explicitly set, the</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// default weight of 1.0 is used. This interface does not support</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="comment">// unsetting previously set weights; instead, the weight should be</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="comment">// reset to the default value.</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1master_
1_1allocator_1_1Sorter.html#a79ae94b89dadee19fef60c4de178a3c2">updateWeight</a>(<span class="keyword">const</span> std::string& <a class="code" href="namespacepath.html">path</a>, <span class="keywordtype">double</span> weight) = 0;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">// Specify that resources have been allocated to the given client.</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#ad4c0c0a5f3f4da73f97d80861469ce35">allocated</a>(</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">const</span> std::string& client,</div><div class="line"><a name="l00087"></a><span cla
ss="lineno"> 87</span>  <span class="keyword">const</span> SlaveID& slaveId,</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">const</span> <a class="code" href="classmesos_1_1Resources.html">Resources</a>& resources) = 0;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="comment">// Updates a portion of the allocation for the client, in order to</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="comment">// augment the resources with additional metadata (e.g., volumes).</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="comment">// This means that the new allocation must not affect the static</span></div><div class="line"><a name="l00093"></a><span class="lineno">
93</span>  <span class="comment">// roles, or the overall quantities of resources!</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#af415ae11fc48d532fd47ed9e8ca25a10">update</a>(</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keyword">const</span> std::string& client,</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">const</span> SlaveID& slaveId,</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keyword">const</span> <a class="code" href="classmesos_1_1Resources.html">Resources</a>& oldAllocation,</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keyw
ord">const</span> <a class="code" href="classmesos_1_1Resources.html">Resources</a>& newAllocation) = 0;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">// Specify that resources have been unallocated from the given client.</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#ac1e8fc8ba543582fee82790543060fcc">unallocated</a>(</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">const</span> std::string& client,</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">const</span> SlaveID& slaveId,</div><div class="line"><a nam
e="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">const</span> <a class="code" href="classmesos_1_1Resources.html">Resources</a>& resources) = 0;</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="comment">// Returns the resources that have been allocated to this client.</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">virtual</span> <span class="keyword">const</span> <a class="code" href="classhashmap.html">hashmap<SlaveID, Resources></a>& <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#a0b1e4832926e88f1dcd52f7c9b4f7ca7">allocation</a>(</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">const</span> std::string& client) <span class="keyword">const
</span> = 0;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">// Returns the total scalar resource quantities that are allocated to</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="comment">// this client. This omits metadata about dynamic reservations and</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// persistent volumes; see `Resources::createStrippedScalarQuantity`.</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keyword">virtual</span> <span class="keyword">const</span> <a class="code" href="classmesos_1_1Resources.html">Resources</a>& <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#afc68098f11369182198f87dab4822ad4">alloc
ationScalarQuantities</a>(</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">const</span> std::string& client) <span class="keyword">const</span> = 0;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// Returns the clients that have allocations on this slave.</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keyword">virtual</span> <a class="code" href="classhashmap.html">hashmap<std::string, Resources></a> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#a0b1e4832926e88f1dcd52f7c9b4f7ca7">allocation</a>(</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keyword">const</span> SlaveID& slaveId) <span class="keyword">const</span> = 0
;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="comment">// Returns the given slave's resources that have been allocated to</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="comment">// this client.</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">virtual</span> <a class="code" href="classmesos_1_1Resources.html">Resources</a> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#a0b1e4832926e88f1dcd52f7c9b4f7ca7">allocation</a>(</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keyword">const</span> std::string& client,</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keyword">const</span> S
laveID& slaveId) <span class="keyword">const</span> = 0;</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="comment">// Returns the total scalar resource quantities in this sorter. This</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="comment">// omits metadata about dynamic reservations and persistent volumes; see</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// `Resources::createStrippedScalarQuantity`.</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">virtual</span> <span class="keyword">const</span> <a class="code" href="classmesos_1_1Resources.html">Resources</a>& <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#ab69d4c7e70
c86c9192b21d22f351e5bc">totalScalarQuantities</a>() <span class="keyword">const</span> = 0;</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="comment">// Add resources to the total pool of resources this</span></div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="comment">// Sorter should consider.</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#ae645bdf8a874484f756227b38cee47c2">add</a>(<span class="keyword">const</span> SlaveID& slaveId, <span class="keyword">const</span> <a class="code" href="classmesos_1_1Resources.html">Resources</a>& resources) = 0;</div><div class="line"><a name="l00134"></a><spa
n class="lineno"> 134</span> </div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="comment">// Remove resources from the total pool.</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <span class="keyword">remove</span>(<span class="keyword">const</span> SlaveID& slaveId, <span class="keyword">const</span> <a class="code" href="classmesos_1_1Resources.html">Resources</a>& resources) = 0;</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="comment">// Returns all of the clients in the order that they should</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="comment">// be allocated to, according to this Sorter's policy.</span><
/div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keyword">virtual</span> std::vector<std::string> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#a72e3b723477e1b7c63c1316cc2b19971">sort</a>() = 0;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// Returns true if this Sorter contains the specified client,</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="comment">// which may be active or inactive.</span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#a9c3b0a3f5148e4f9ba0cdd6904125316">contains</a>(<span cla
ss="keyword">const</span> std::string& client) <span class="keyword">const</span> = 0;</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="comment">// Returns the number of clients this Sorter contains,</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="comment">// either active or inactive.</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">virtual</span> <span class="keywordtype">size_t</span> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#a2fcaaf81ef195a4c854d6e88ce27574f">count</a>() <span class="keyword">const</span> = 0;</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> };</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div><d
iv class="line"><a name="l00151"></a><span class="lineno"> 151</span> } <span class="comment">// namespace allocator {</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> } <span class="comment">// namespace master {</span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> } <span class="comment">// namespace internal {</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> } <span class="comment">// namespace mesos {</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="preprocessor">#endif // __MASTER_ALLOCATOR_SORTER_SORTER_HPP__</span></div><div class="ttc" id="namespacepath_html"><div class="ttname"><a href="namespacepath.html">path</a></div><div class="ttdef"><b>Definition:</b> path.hpp:26</div></div>
+<a href="sorter_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Licensed to the Apache Software Foundation (ASF) under one</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// or more contributor license agreements. See the NOTICE file</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// distributed with this work for additional information</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// regarding copyright ownership. The ASF licenses this file</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// to you under the Apache License, Version 2.0 (the</span></div><div class="line"><a name="l00006"></a><span clas
s="lineno"> 6</span> <span class="comment">// "License"); you may not use this file except in compliance</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// with the License. You may obtain a copy of the License at</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">//</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// distribute
d under the License is distributed on an "AS IS" BASIS,</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// limitations under the License.</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#ifndef __MASTER_ALLOCATOR_SORTER_SORTER_HPP__</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#define __MASTER_ALLOCATOR_SORTER_SORTER_HPP__</s
pan></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <functional></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <vector></span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <<a class="code" href="resources_8hpp.html">mesos/resources.hpp</a>></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <<a class="code" href="type__utils_8hpp.html">mesos/type_utils.hpp</a>>
</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <<a class="code" href="3rdparty_2libprocess_2include_2process_2pid_8hpp.html">process/pid.hpp</a>></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">namespace </span><a class="code" href="namespacemesos.html">mesos</a> {</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">namespace </span><a class="code" href="namespaceinternal.html">internal</a> {</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">namespace </span><a class="code" href="namespacemesos_1_1v1_1_1master.html">master</a> {</div><div class="line"><a name="l000
32"></a><span class="lineno"> 32</span> <span class="keyword">namespace </span>allocator {</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">// Sorters implement the logic for determining the</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment">// order in which users or frameworks should receive</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment">// resource allocations.</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">//</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// TODO(bmahler): Templatize this on Client, so that callers can</span></div><div class="line"><a name="l00039"></a><span class="l
ineno"> 39</span> <span class="comment">// don't need to do string conversion, e.g. FrameworkID, string role,</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">// etc.</span></div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html"> 41</a></span> <span class="keyword">class </span><a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html">Sorter</a></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> {</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#a3ff0ef79f7b92fa8863948b1ff0818a1">Sorter</a>() = <span class="keywordflow"
>default</span>;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="comment">// Provides the allocator's execution context (via a UPID)</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="comment">// and a name prefix in order to support metrics within the</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="comment">// sorter implementation.</span></div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#a378eedf4b183e753a28c052254e35854"> 49</a></span>  <span class="keyword">explicit</span> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#a378eedf4b183e753a28c052254e35854">Sorter</a>(</div><div class="line"><a name
="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">const</span> <a class="code" href="structprocess_1_1UPID.html">process::UPID</a>& allocator,</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">const</span> std::string& metricsPrefix) {}</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">virtual</span> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#a83252e954533dff4f7f203ac88ee9604">~Sorter</a>() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="comment">// Initialize the sorter.</span></div><div class="line"><a name="l00056"></a><span clas
s="lineno"> 56</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#a7b00c2839cd56edaa63b90d2df69068d">initialize</a>(</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">const</span> <a class="code" href="classOption.html">Option</a><std::set<std::string>>& fairnessExcludeResourceNames) = 0;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="comment">// Adds a client to allocate resources to.</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">// A client may be a user or a framework.</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="comment">//
This function will not activate the client.</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#ae645bdf8a874484f756227b38cee47c2">add</a>(<span class="keyword">const</span> std::string& client) = 0;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="comment">// Removes a client.</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <span class="keyword">remove</span>(<span class="keyword">const</span> std::string& client) = 0;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div><div class="line"><a name=
"l00067"></a><span class="lineno"> 67</span>  <span class="comment">// Readds a client to the sort after deactivate.</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">// It is a no-op if the client is already in the sort.</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#a5cf6097e09b3e14df330c98b74ce835c">activate</a>(<span class="keyword">const</span> std::string& client) = 0;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// Removes a client from the sort, so it won't get allocated to.</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</s
pan>  <span class="comment">// It is a no-op if the client is already not in the sort.</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#a89809af601bd43867795281acd18b64e">deactivate</a>(<span class="keyword">const</span> std::string& client) = 0;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="comment">// Updates the weight of a client path. This changes the sorter's</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">// behavior for all clients in the subtree identified by this path</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span
class="comment">// (both clients currently in the sorter and any clients that may be</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// added later). If a client's weight is not explicitly set, the</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// default weight of 1.0 is used. This interface does not support</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="comment">// unsetting previously set weights; instead, the weight should be</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="comment">// reset to the default value.</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1master_
1_1allocator_1_1Sorter.html#a79ae94b89dadee19fef60c4de178a3c2">updateWeight</a>(<span class="keyword">const</span> std::string& <a class="code" href="namespacepath.html">path</a>, <span class="keywordtype">double</span> weight) = 0;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">// Specify that resources have been allocated to the given client.</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#ad4c0c0a5f3f4da73f97d80861469ce35">allocated</a>(</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">const</span> std::string& client,</div><div class="line"><a name="l00087"></a><span cla
ss="lineno"> 87</span>  <span class="keyword">const</span> SlaveID& slaveId,</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">const</span> <a class="code" href="classmesos_1_1Resources.html">Resources</a>& resources) = 0;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="comment">// Updates a portion of the allocation for the client, in order to augment the</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="comment">// resources with additional metadata (e.g., volumes), or remove certain</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="comment">// resources. If the roles or scalar quantities are changed, the order of the</span></div><div class="line"><a name="l0009
3"></a><span class="lineno"> 93</span>  <span class="comment">// clients should be updated accordingly.</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#af415ae11fc48d532fd47ed9e8ca25a10">update</a>(</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keyword">const</span> std::string& client,</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">const</span> SlaveID& slaveId,</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keyword">const</span> <a class="code" href="classmesos_1_1Resources.html">Resources</a>& oldAllocation,</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> 
<span class="keyword">const</span> <a class="code" href="classmesos_1_1Resources.html">Resources</a>& newAllocation) = 0;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">// Specify that resources have been unallocated from the given client.</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#ac1e8fc8ba543582fee82790543060fcc">unallocated</a>(</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">const</span> std::string& client,</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">const</span> SlaveID& slaveId,</div><
div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">const</span> <a class="code" href="classmesos_1_1Resources.html">Resources</a>& resources) = 0;</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="comment">// Returns the resources that have been allocated to this client.</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">virtual</span> <span class="keyword">const</span> <a class="code" href="classhashmap.html">hashmap<SlaveID, Resources></a>& <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#a0b1e4832926e88f1dcd52f7c9b4f7ca7">allocation</a>(</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">const</span> std::string& client) <spa
n class="keyword">const</span> = 0;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">// Returns the total scalar resource quantities that are allocated to</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="comment">// this client. This omits metadata about dynamic reservations and</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// persistent volumes; see `Resources::createStrippedScalarQuantity`.</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keyword">virtual</span> <span class="keyword">const</span> <a class="code" href="classmesos_1_1Resources.html">Resources</a>& <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#afc68098f11369182
198f87dab4822ad4">allocationScalarQuantities</a>(</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">const</span> std::string& client) <span class="keyword">const</span> = 0;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// Returns the clients that have allocations on this slave.</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keyword">virtual</span> <a class="code" href="classhashmap.html">hashmap<std::string, Resources></a> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#a0b1e4832926e88f1dcd52f7c9b4f7ca7">allocation</a>(</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keyword">const</span> SlaveID& slaveId) <span class="ke
yword">const</span> = 0;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="comment">// Returns the given slave's resources that have been allocated to</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="comment">// this client.</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">virtual</span> <a class="code" href="classmesos_1_1Resources.html">Resources</a> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#a0b1e4832926e88f1dcd52f7c9b4f7ca7">allocation</a>(</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keyword">const</span> std::string& client,</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="
keyword">const</span> SlaveID& slaveId) <span class="keyword">const</span> = 0;</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="comment">// Returns the total scalar resource quantities in this sorter. This</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="comment">// omits metadata about dynamic reservations and persistent volumes; see</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// `Resources::createStrippedScalarQuantity`.</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">virtual</span> <span class="keyword">const</span> <a class="code" href="classmesos_1_1Resources.html">Resources</a>& <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1
Sorter.html#ab69d4c7e70c86c9192b21d22f351e5bc">totalScalarQuantities</a>() <span class="keyword">const</span> = 0;</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="comment">// Add resources to the total pool of resources this</span></div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="comment">// Sorter should consider.</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#ae645bdf8a874484f756227b38cee47c2">add</a>(<span class="keyword">const</span> SlaveID& slaveId, <span class="keyword">const</span> <a class="code" href="classmesos_1_1Resources.html">Resources</a>& resources) = 0;</div><div class="line"><a
name="l00134"></a><span class="lineno"> 134</span> </div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="comment">// Remove resources from the total pool.</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <span class="keyword">remove</span>(<span class="keyword">const</span> SlaveID& slaveId, <span class="keyword">const</span> <a class="code" href="classmesos_1_1Resources.html">Resources</a>& resources) = 0;</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="comment">// Returns all of the clients in the order that they should</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="comment">// be allocated to, according to this Sorte
r's policy.</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keyword">virtual</span> std::vector<std::string> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#a72e3b723477e1b7c63c1316cc2b19971">sort</a>() = 0;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// Returns true if this Sorter contains the specified client,</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="comment">// which may be active or inactive.</span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#a9c3b0a3f5148e4f9ba0cdd6904125316"
>contains</a>(<span class="keyword">const</span> std::string& client) <span class="keyword">const</span> = 0;</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="comment">// Returns the number of clients this Sorter contains,</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="comment">// either active or inactive.</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">virtual</span> <span class="keywordtype">size_t</span> <a class="code" href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#a2fcaaf81ef195a4c854d6e88ce27574f">count</a>() <span class="keyword">const</span> = 0;</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> };</div><div class="line"><a name="l00150"></a><span class="lineno"> 1
50</span> </div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> } <span class="comment">// namespace allocator {</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> } <span class="comment">// namespace master {</span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> } <span class="comment">// namespace internal {</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> } <span class="comment">// namespace mesos {</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="preprocessor">#endif // __MASTER_ALLOCATOR_SORTER_SORTER_HPP__</span></div><div class="ttc" id="namespacepath_html"><div class="ttname"><a href="namespacepath.html">path</a></div><div class="ttdef"><b>Definition:</b> path.hpp:26</div></div>
<div class="ttc" id="resources_8hpp_html"><div class="ttname"><a href="resources_8hpp.html">resources.hpp</a></div></div>
<div class="ttc" id="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter_html_ac1e8fc8ba543582fee82790543060fcc"><div class="ttname"><a href="classmesos_1_1internal_1_1master_1_1allocator_1_1Sorter.html#ac1e8fc8ba543582fee82790543060fcc">mesos::internal::master::allocator::Sorter::unallocated</a></div><div class="ttdeci">virtual void unallocated(const std::string &client, const SlaveID &slaveId, const Resources &resources)=0</div></div>
<div class="ttc" id="classOption_html"><div class="ttname"><a href="classOption.html">Option</a></div><div class="ttdef"><b>Definition:</b> option.hpp:28</div></div>