path: root/lib/cosNotification/doc/src/CosNotification_QoSAdmin.xml

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  <header>
    <copyright>
      <year>2000</year><year>2009</year>
      <holder>Ericsson AB. All Rights Reserved.</holder>
    </copyright>
    <legalnotice>
      The contents of this file are subject to the Erlang Public License,
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    <title>CosNotification_QoSAdmin</title>
    <prepared></prepared>
    <docno></docno>
    <checked></checked>
    <date>2000-02-01</date>
    <rev>1.0</rev>
  </header>
  <module>CosNotification_QoSAdmin</module>
  <modulesummary>This module implements the OMG  CosNotification::QoSAdmin interface.</modulesummary>
  <description>
    <p>To get access to the record definitions for the structures use:      <br></br>
<c>-include_lib("cosNotification/include/*.hrl").</c></p>
    <p>All objects, which inherit this interface, export functions described in this module.</p>
  </description>
  <funcs>
    <func>
      <name>get_qos(Object) -> Reply</name>
      <fsummary>Return a list of name-value pairs which encapsulates the current QoS settings for the target object</fsummary>
      <type>
        <v>Object = #objref</v>
        <v>Reply = [QoSProperty]</v>
        <v>QoSProperty = #'CosNotification_Property'{name, value}</v>
        <v>name = string()</v>
        <v>value = #any</v>
      </type>
      <desc>
        <p>This operation returns a list of name-value pairs which encapsulates the current QoS settings
          for the target object.</p>
      </desc>
    </func>
    <func>
      <name>set_qos(Object, QoS) -> Reply</name>
      <fsummary>Change the QoS settings for the target object</fsummary>
      <type>
        <v>Object = #objref</v>
        <v>QoS = [QoSProperty]</v>
        <v>QoSProperty = #'CosNotification_Property'{name, value}</v>
        <v>name = string()</v>
        <v>value = #any</v>
        <v>Reply = ok | {'EXCEPTION', #'CosNotification_UnsupportedQoS'{qos_err}}</v>
        <v>qos_err = PropertyErrorSeq</v>
        <v>PropertyErrorSeq = [PropertyError]</v>
        <v>PropertyError = #'CosNotification_PropertyError'{code, name, available_range}</v>
        <v>code = 'UNSUPPORTED_PROPERTY' | 'UNAVAILABLE_PROPERTY' | 'UNSUPPORTED_VALUE' |  'UNAVAILABLE_VALUE' | 'BAD_PROPERTY' | 'BAD_TYPE' | 'BAD_VALUE'</v>
        <v>name = string()</v>
        <v>available_range = PropertyRange</v>
        <v>PropertyRange = #CosNotification_PropertyRange{low_val, high_val}</v>
        <v>low_val = high_val = #any</v>
      </type>
      <desc>
        <p>To alter the current QoS settings for the target object this function must be used.
          If it is not possible to set the requested QoS the <c>UnsupportedQoS</c>
          exception is raised, which includes a sequence of <c>PropertyError</c>'s
          describing which QoS, possible range and why is not allowed.</p>
      </desc>
    </func>
    <func>
      <name>validate_qos(Object, QoS) -> Reply</name>
      <fsummary>Validate if the supplied QoS properties is valid for the target object </fsummary>
      <type>
        <v>Object = #objref</v>
        <v>QoS = [QoSProperty]</v>
        <v>QoSProperty = #'Property'{name, value}</v>
        <v>name = string()</v>
        <v>value = #any</v>
        <v>Reply = {ok, NamedPropertyRangeSeq} |  {'EXCEPTION', CosNotification_UnsupportedQoS{}}</v>
        <v>NamedPropertyRangeSeq = [NamedPropertyRange]</v>
        <v>NamedPropertyRange = #CosNotification_NamedPropertyRange{name, range}</v>
        <v>name = string()</v>
        <v>range = #CosNotification_PropertyRange{low_val, high_val}</v>
        <v>low_val = #any</v>
        <v>high_val = #any</v>
      </type>
      <desc>
        <p>The purpose of this operations is to check if a QoS setting is supported 
          by the target object and if so, the operation returns additional properties 
          which could be optionally added as well.</p>
      </desc>
    </func>
  </funcs>
  
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