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-<?xml version="1.0" encoding="utf-8" ?>
-<!DOCTYPE erlref SYSTEM "erlref.dtd">
-
-<erlref>
- <header>
- <copyright>
- <year>1997</year><year>2017</year>
- <holder>Ericsson AB. All Rights Reserved.</holder>
- </copyright>
- <legalnotice>
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-
- </legalnotice>
-
- <title>CosNaming_NamingContext</title>
- <prepared></prepared>
- <docno></docno>
- <checked></checked>
- <date>1997-06-10</date>
- <rev>A</rev>
- </header>
- <module>CosNaming_NamingContext</module>
- <modulesummary>This interface supports different bind and access functions for names in a context.</modulesummary>
- <description>
- <p>This is the object that defines name scopes, names must be unique within a
- naming context. Objects may have multiple names and may exist in multiple
- naming contexts. Name context may be named in other contexts and cycles are
- permitted.</p>
- <p>The type <c>NameComponent</c> used below is defined as:</p>
- <code type="erl">-record('CosNaming_NameComponent', {id, kind=""}).</code>
- <p>where <c>id</c> and <c>kind</c> are strings. </p>
- <p>The type <c>Binding</c> used below is defined as:</p>
- <code type="erl">-record('CosNaming_Binding', {binding_name, binding_type}).</code>
- <p>where <c>binding_name</c> is a Name and <c>binding_type</c> is an enum which
- has the values <c>nobject</c> and <c>ncontext</c>.</p>
- <p>Both these records are defined in the file <c>CosNaming.hrl</c> and it
- is included with:</p>
- <code type="erl">-include_lib("orber/COSS/CosNaming/CosNaming.hrl").</code>
- <p>There are a number of exceptions that can be returned from functions in this
- interface.</p>
- <list type="bulleted">
- <item>
- <p>NotFound is defined as </p>
- <code type="erl">
--record('CosNaming_NamingContext_NotFound',
- {rest_of_name, why}).</code>
- </item>
- <item>
- <p>CannotProceed is defined as </p>
- <code type="erl">
--record('CosNaming_NamingContext_CannotProceed',
- {rest_of_name, cxt}).
- </code>
- </item>
- <item>
- <p>InvalidName is defined as </p>
- <code type="erl">
--record('CosNaming_NamingContext_InvalidName', {}).
- </code>
- </item>
- <item>
- <p>NotFound is defined as </p>
- <code type="erl">-record('CosNaming_NamingContext_NotFound', {}).</code>
- </item>
- <item>
- <p>AlreadyBound is defined as </p>
- <code type="erl">-record('CosNaming_NamingContext_AlreadyBound', {}).</code>
- </item>
- <item>
- <p>NotEmpty is defined as </p>
- <code type="erl">-record('CosNaming_NamingContext_NotEmpty', {}).</code>
- </item>
- </list>
- <p>These exceptions are defined in the file <c>CosNaming_NamingContext.hrl</c> and it
- is included with:</p>
- <code type="erl">
--include_lib("orber/COSS/CosNaming/CosNaming_NamingContext.hrl").
- </code>
- </description>
- <funcs>
- <func>
- <name>bind(NamingContext, Name, Object) -> Return</name>
- <fsummary>Bind a Name to an Object</fsummary>
- <type>
- <v>NameContext = #objref</v>
- <v>Name = [NameComponent]</v>
- <v>Object = #objref</v>
- <v>Return = ok</v>
- </type>
- <desc>
- <p>Creates a binding of a name and an object in the naming context.
- Naming contexts that are bound using <em>bind()</em> do not participate
- in name resolution.</p>
- </desc>
- </func>
- <func>
- <name>rebind(NamingContext, Name, Object) -> Return</name>
- <fsummary>Bind an Object to the Name even if the Name already is bound</fsummary>
- <type>
- <v>NamingContext = #objref</v>
- <v>Name = [NameComponent]</v>
- <v>Object = #objref</v>
- <v>Return = ok</v>
- </type>
- <desc>
- <p>Creates a binding of a name and an object in the naming context even
- if the name is already bound. Naming contexts that are bound using
- <em>rebind()</em> do not participate in name resolution.</p>
- </desc>
- </func>
- <func>
- <name>bind_context(NamingContext1, Name, NamingContex2) -> Return</name>
- <fsummary>Bind a Name to an NamingContext</fsummary>
- <type>
- <v>NamingContext1 = NamingContext2 =#objref</v>
- <v>Name = [NameComponent]</v>
- <v>Return = ok</v>
- </type>
- <desc>
- <p>The bind_context function creates a binding of a name and a naming context in
- the current context.
- Naming contexts that are bound using <em>bind_context()</em> participate
- in name resolution.</p>
- </desc>
- </func>
- <func>
- <name>rebind_context(NamingContext1, Name, NamingContex2) -> Return</name>
- <fsummary>Bind an NamingContext to the Name even if the Name already is bound</fsummary>
- <type>
- <v>NamingContext1 = NamingContext2 =#objref</v>
- <v>Name = [NameComponent]</v>
- <v>Return = ok</v>
- </type>
- <desc>
- <p>The rebind_context function creates a binding of a name and a naming context in
- the current context even if the name already is bound.
- Naming contexts that are bound using <em>rebind_context()</em> participate
- in name resolution.</p>
- </desc>
- </func>
- <func>
- <name>resolve(NamingContext, Name) -> Return</name>
- <fsummary>Retrieve an Object bound to Name</fsummary>
- <type>
- <v>NamingContext = #objref</v>
- <v>Name = [NameComponent]</v>
- <v>Return = Object</v>
- <v>Object = #objref</v>
- </type>
- <desc>
- <p>The resolve function is the way to retrieve an object bound to a name in
- the naming context. The given name must match exactly the bound name. The
- type of the object is not returned, clients are responsible for narrowing
- the object to the correct type.</p>
- </desc>
- </func>
- <func>
- <name>unbind(NamingContext, Name) -> Return</name>
- <fsummary>Remove the binding for a Name</fsummary>
- <type>
- <v>NamingContext = #objref</v>
- <v>Name = [NameComponent]</v>
- <v>Return = ok</v>
- </type>
- <desc>
- <p>The unbind operation removes a name binding from the naming context.</p>
- </desc>
- </func>
- <func>
- <name>new_context(NamingContext) -> Return</name>
- <fsummary>Create a new NamingContext</fsummary>
- <type>
- <v>NamingContext = #objref</v>
- <v>Return = #objref</v>
- </type>
- <desc>
- <p>The new_context operation creates a new naming context.</p>
- </desc>
- </func>
- <func>
- <name>bind_new_context(NamingContext, Name) -> Return</name>
- <fsummary>Create a new NamingContext and bind it to a Name</fsummary>
- <type>
- <v>NamingContext = #objref</v>
- <v>Name = [NameComponent]</v>
- <v>Return = #objref</v>
- </type>
- <desc>
- <p>The new_context operation creates a new naming context and binds it to
- Name in the current context.</p>
- </desc>
- </func>
- <func>
- <name>destroy(NamingContext) -> Return</name>
- <fsummary>Destroy a NamingContext</fsummary>
- <type>
- <v>NamingContext = #objref</v>
- <v>Return = ok</v>
- </type>
- <desc>
- <p>The destroy operation disposes the NamingContext object and removes it from the
- name server. The context must be empty e.g. not contain any bindings to be
- removed.</p>
- </desc>
- </func>
- <func>
- <name>list(NamingContext, HowMany) -> Return</name>
- <fsummary>List returns a all bindings in the context</fsummary>
- <type>
- <v>NamingContext = #objref</v>
- <v>HowMany = int()</v>
- <v>Return = {ok, BindingList, BindingIterator}</v>
- <v>BindingList = [Binding]</v>
- <v>BindingIterator = #objref</v>
- </type>
- <desc>
- <p>The list operation returns a BindingList with a number of bindings up-to
- HowMany from the context. It also returns a BindinIterator which can be used to
- step through the list. If the total number of existing bindings are less
- than, or equal to, the <c>HowMany</c> parameter a NIL object reference
- is returned.</p>
- <p></p>
- <note>
- <p>One must destroy the BindingIterator, unless it is a NIL object
- reference, by using 'BindingIterator':destroy(). Otherwise one can get
- dangling objects.</p>
- </note>
- </desc>
- </func>
- </funcs>
-
-</erlref>
-