carto
/
grpc


			
							123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971972973974975976977978979980981982983984985986987988989990991992993994995996997998999100010011002100310041005100610071008100910101011101210131014101510161017101810191020102110221023102410251026102710281029103010311032103310341035103610371038103910401041104210431044104510461047104810491050105110521053105410551056105710581059106010611062106310641065106610671068106910701071107210731074107510761077107810791080108110821083108410851086108710881089109010911092109310941095109610971098109911001101110211031104110511061107110811091110111111121113111411151116111711181119112011211122112311241125112611271128112911301131113211331134113511361137113811391140114111421143114411451146114711481149115011511152115311541155115611571158115911601161116211631164
							<!DOCTYPE html>

<html lang="en">
<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width">
	<title>Documentation Class: Metadata</title>

	<!--[if lt IE 9]>
	<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
	<![endif]-->
	<link type="text/css" rel="stylesheet" href="styles/sunlight.default.css">

	<link type="text/css" rel="stylesheet" href="styles/site.simplex.css">

</head>

<body>

<div class="navbar navbar-default navbar-fixed-top ">
<div class="container">
	<div class="navbar-header">
		<a class="navbar-brand" href="index.html">Documentation</a>
		<button class="navbar-toggle" type="button" data-toggle="collapse" data-target="#topNavigation">
			<span class="icon-bar"></span>
			<span class="icon-bar"></span>
			<span class="icon-bar"></span>
        </button>
	</div>
	<div class="navbar-collapse collapse" id="topNavigation">
		<ul class="nav navbar-nav">
			
			<li class="dropdown">
				<a href="namespaces.list.html" class="dropdown-toggle" data-toggle="dropdown">Namespaces<b class="caret"></b></a>
				<ul class="dropdown-menu ">
					<li><a href="grpc.html">grpc</a></li><li><a href="grpc.credentials.html">grpc.credentials</a></li>
				</ul>
			</li>
			
			<li class="dropdown">
				<a href="modules.list.html" class="dropdown-toggle" data-toggle="dropdown">Modules<b class="caret"></b></a>
				<ul class="dropdown-menu ">
					<li><a href="module-src_client_interceptors.html">src/client_interceptors</a></li>
				</ul>
			</li>
			
			<li class="dropdown">
				<a href="classes.list.html" class="dropdown-toggle" data-toggle="dropdown">Classes<b class="caret"></b></a>
				<ul class="dropdown-menu ">
					<li><a href="grpc.Channel.html">grpc.Channel</a></li><li><a href="grpc.Client.html">grpc.Client</a></li><li><a href="grpc.credentials-CallCredentials.html">grpc.credentials~CallCredentials</a></li><li><a href="grpc.credentials-ChannelCredentials.html">grpc.credentials~ChannelCredentials</a></li><li><a href="grpc.Metadata.html">grpc.Metadata</a></li><li><a href="grpc.Server.html">grpc.Server</a></li><li><a href="grpc.ServerCredentials.html">grpc.ServerCredentials</a></li><li><a href="grpc-Call.html">grpc~Call</a></li><li><a href="grpc-ClientDuplexStream.html">grpc~ClientDuplexStream</a></li><li><a href="grpc-ClientReadableStream.html">grpc~ClientReadableStream</a></li><li><a href="grpc-ClientUnaryCall.html">grpc~ClientUnaryCall</a></li><li><a href="grpc-ClientWritableStream.html">grpc~ClientWritableStream</a></li><li><a href="grpc-ServerDuplexStream.html">grpc~ServerDuplexStream</a></li><li><a href="grpc-ServerReadableStream.html">grpc~ServerReadableStream</a></li><li><a href="grpc-ServerUnaryCall.html">grpc~ServerUnaryCall</a></li><li><a href="grpc-ServerWritableStream.html">grpc~ServerWritableStream</a></li><li><a href="module-src_client_interceptors-EndListener.html">src/client_interceptors~EndListener</a></li><li><a href="module-src_client_interceptors-InterceptingCall.html">src/client_interceptors~InterceptingCall</a></li><li><a href="module-src_client_interceptors-InterceptingListener.html">src/client_interceptors~InterceptingListener</a></li><li><a href="module-src_client_interceptors-InterceptorConfigurationError.html">src/client_interceptors~InterceptorConfigurationError</a></li><li><a href="module-src_client_interceptors-ListenerBuilder.html">src/client_interceptors~ListenerBuilder</a></li><li><a href="module-src_client_interceptors-RequesterBuilder.html">src/client_interceptors~RequesterBuilder</a></li><li><a href="module-src_client_interceptors-StatusBuilder.html">src/client_interceptors~StatusBuilder</a></li>
				</ul>
			</li>
			
			<li class="dropdown">
				<a href="events.list.html" class="dropdown-toggle" data-toggle="dropdown">Events<b class="caret"></b></a>
				<ul class="dropdown-menu ">
					<li><a href="grpc-ClientDuplexStream.html#event:metadata">grpc~ClientDuplexStream#metadata</a></li><li><a href="grpc-ClientDuplexStream.html#event:status">grpc~ClientDuplexStream#status</a></li><li><a href="grpc-ClientReadableStream.html#event:metadata">grpc~ClientReadableStream#metadata</a></li><li><a href="grpc-ClientReadableStream.html#event:status">grpc~ClientReadableStream#status</a></li><li><a href="grpc-ClientUnaryCall.html#event:metadata">grpc~ClientUnaryCall#event:metadata</a></li><li><a href="grpc-ClientUnaryCall.html#event:status">grpc~ClientUnaryCall#event:status</a></li><li><a href="grpc-ClientWritableStream.html#event:metadata">grpc~ClientWritableStream#metadata</a></li><li><a href="grpc-ClientWritableStream.html#event:status">grpc~ClientWritableStream#status</a></li><li><a href="grpc-ServerDuplexStream.html#~event:cancelled">grpc~ServerDuplexStream~event:cancelled</a></li><li><a href="grpc-ServerReadableStream.html#~event:cancelled">grpc~ServerReadableStream~event:cancelled</a></li><li><a href="grpc-ServerUnaryCall.html#~event:cancelled">grpc~ServerUnaryCall~event:cancelled</a></li><li><a href="grpc-ServerWritableStream.html#~event:cancelled">grpc~ServerWritableStream~event:cancelled</a></li>
				</ul>
			</li>
			
			<li class="dropdown">
				<a href="global.html" class="dropdown-toggle" data-toggle="dropdown">Global<b class="caret"></b></a>
				<ul class="dropdown-menu ">
					<li><a href="global.html#CancelRequester">CancelRequester</a></li><li><a href="global.html#CloseRequester">CloseRequester</a></li><li><a href="global.html#createStatusError">createStatusError</a></li><li><a href="global.html#getClientInterceptors">getClientInterceptors</a></li><li><a href="global.html#getMethodType">getMethodType</a></li><li><a href="global.html#GetPeerRequester">GetPeerRequester</a></li><li><a href="global.html#Interceptor">Interceptor</a></li><li><a href="global.html#InterceptorProvider">InterceptorProvider</a></li><li><a href="global.html#loadPackageDefinition">loadPackageDefinition</a></li><li><a href="global.html#MessageListener">MessageListener</a></li><li><a href="global.html#MessageRequester">MessageRequester</a></li><li><a href="global.html#MetadataListener">MetadataListener</a></li><li><a href="global.html#MetadataRequester">MetadataRequester</a></li><li><a href="global.html#NextCall">NextCall</a></li><li><a href="global.html#StatusListener">StatusListener</a></li>
				</ul>
			</li>
			
			<li class="dropdown">
				<a href="externals.list.html" class="dropdown-toggle" data-toggle="dropdown">Externals<b class="caret"></b></a>
				<ul class="dropdown-menu ">
					<li><a href="external-Duplex.html">Duplex</a></li><li><a href="external-EventEmitter.html">EventEmitter</a></li><li><a href="external-GoogleCredential.html">GoogleCredential</a></li><li><a href="external-Readable.html">Readable</a></li><li><a href="external-Writable.html">Writable</a></li>
				</ul>
			</li>
			
		</ul>
        
            <div class="col-sm-3 col-md-3">
                <form class="navbar-form" role="search">
                    <div class="input-group">
                        <input type="text" class="form-control" placeholder="Search" name="q" id="search-input">
                        <div class="input-group-btn">
                            <button class="btn btn-default" id="search-submit"><i class="glyphicon glyphicon-search"></i></button>
                        </div>
                    </div>
                </form>
            </div>
        
	</div>

</div>
</div>


<div class="container" id="toc-content">
<div class="row">

	
	<div class="col-md-8">
	
		<div id="main">
			

	<h1 class="page-title">Class: Metadata</h1>
<section>

<header>
    
        <h2>
            <span class="ancestors"><a href="grpc.html">grpc</a>.</span>
        
        Metadata
        </h2>
        
    
</header>


<article>
    <div class="container-overview">
    
        
<hr>
<dt>
    <h4 class="name" id="Metadata"><span class="type-signature"></span>new Metadata()</h4>
    
    
</dt>
<dd>

    
    <div class="description">
        <p>Class for storing metadata. Keys are normalized to lowercase ASCII.</p>
    </div>
    

<dl class="details">
    

</dl>


        <h5>Example</h5>
        
    <pre class="sunlight-highlight-javascript">var metadata = new metadata_module.Metadata();
metadata.set(&#x27;key1&#x27;, &#x27;value1&#x27;);
metadata.add(&#x27;key1&#x27;, &#x27;value2&#x27;);
metadata.get(&#x27;key1&#x27;) // returns [&#x27;value1&#x27;, &#x27;value2&#x27;]</pre>


</dd>

    
    </div>

    
        <h3 class="subsection-title">Methods</h3>

        <dl>
            
<hr>
<dt>
    <h4 class="name" id="add"><span class="type-signature"></span>add(key, value)</h4>
    
    
</dt>
<dd>

    
    <div class="description">
        <p>Adds the given value for the given key. Normalizes the key.</p>
    </div>
    

        <h5>Parameters:</h5>
        

<table class="params table table-striped">
    <thead>
    <tr>
        
        <th>Name</th>
        

        <th>Type</th>

        
        <th class="last">Description</th>
    </tr>
    </thead>

    <tbody>
    

        <tr>
            
                <td class="name"><code>key</code></td>
            

            <td class="type">
            
                
<span class="param-type">String</span>


            </td>

            
            <td class="description last"><p>The key to add to.</p></td>
        </tr>

    
        <tr>
            
                <td class="name"><code>value</code></td>
            

            <td class="type">
            
                
<span class="param-type">String</span>
|

<span class="param-type">Buffer</span>


            </td>

            
            <td class="description last"><p>The value to add. Must be a buffer if and only
    if the normalized key ends with '-bin'</p></td>
        </tr>

    
    </tbody>
</table>

    
<dl class="details">
    

</dl>


</dd>

        
<hr>
<dt>
    <h4 class="name" id="clone"><span class="type-signature"></span>clone()</h4>
    
    
</dt>
<dd>

    
    <div class="description">
        <p>Clone the metadata object.</p>
    </div>
    

<dl class="details">
    

</dl>


    <h5>Returns:</h5>
    
            
<div class="param-desc">
    <p>The new cloned object</p>
</div>


<dl>
    <dt>
        Type
    </dt>
    <dd>
        
<span class="param-type"><a href="grpc.Metadata.html">grpc.Metadata</a></span>


    </dd>
</dl>


</dd>

        
<hr>
<dt>
    <h4 class="name" id="get"><span class="type-signature"></span>get(key)</h4>
    
    
</dt>
<dd>

    
    <div class="description">
        <p>Gets a list of all values associated with the key. Normalizes the key.</p>
    </div>
    

        <h5>Parameters:</h5>
        

<table class="params table table-striped">
    <thead>
    <tr>
        
        <th>Name</th>
        

        <th>Type</th>

        
        <th class="last">Description</th>
    </tr>
    </thead>

    <tbody>
    

        <tr>
            
                <td class="name"><code>key</code></td>
            

            <td class="type">
            
                
<span class="param-type">String</span>


            </td>

            
            <td class="description last"><p>The key to get</p></td>
        </tr>

    
    </tbody>
</table>

    
<dl class="details">
    

</dl>


    <h5>Returns:</h5>
    
            
<div class="param-desc">
    <p>The values associated with that key</p>
</div>


<dl>
    <dt>
        Type
    </dt>
    <dd>
        
<span class="param-type">Array.&lt;(String|Buffer)></span>


    </dd>
</dl>


</dd>

        
<hr>
<dt>
    <h4 class="name" id="getMap"><span class="type-signature"></span>getMap()</h4>
    
    
</dt>
<dd>

    
    <div class="description">
        <p>Get a map of each key to a single associated value. This reflects the most
common way that people will want to see metadata.</p>
    </div>
    

<dl class="details">
    

</dl>


    <h5>Returns:</h5>
    
            
<div class="param-desc">
    <p>A key/value mapping of the metadata</p>
</div>


<dl>
    <dt>
        Type
    </dt>
    <dd>
        
<span class="param-type">Object.&lt;String, (String|Buffer)></span>


    </dd>
</dl>


</dd>

        
<hr>
<dt>
    <h4 class="name" id="remove"><span class="type-signature"></span>remove(key)</h4>
    
    
</dt>
<dd>

    
    <div class="description">
        <p>Remove the given key and any associated values. Normalizes the key.</p>
    </div>
    

        <h5>Parameters:</h5>
        

<table class="params table table-striped">
    <thead>
    <tr>
        
        <th>Name</th>
        

        <th>Type</th>

        
        <th class="last">Description</th>
    </tr>
    </thead>

    <tbody>
    

        <tr>
            
                <td class="name"><code>key</code></td>
            

            <td class="type">
            
                
<span class="param-type">String</span>


            </td>

            
            <td class="description last"><p>The key to remove</p></td>
        </tr>

    
    </tbody>
</table>

    
<dl class="details">
    

</dl>


</dd>

        
<hr>
<dt>
    <h4 class="name" id="set"><span class="type-signature"></span>set(key, value)</h4>
    
    
</dt>
<dd>

    
    <div class="description">
        <p>Sets the given value for the given key, replacing any other values associated
with that key. Normalizes the key.</p>
    </div>
    

        <h5>Parameters:</h5>
        

<table class="params table table-striped">
    <thead>
    <tr>
        
        <th>Name</th>
        

        <th>Type</th>

        
        <th class="last">Description</th>
    </tr>
    </thead>

    <tbody>
    

        <tr>
            
                <td class="name"><code>key</code></td>
            

            <td class="type">
            
                
<span class="param-type">String</span>


            </td>

            
            <td class="description last"><p>The key to set</p></td>
        </tr>

    
        <tr>
            
                <td class="name"><code>value</code></td>
            

            <td class="type">
            
                
<span class="param-type">String</span>
|

<span class="param-type">Buffer</span>


            </td>

            
            <td class="description last"><p>The value to set. Must be a buffer if and only
    if the normalized key ends with '-bin'</p></td>
        </tr>

    
    </tbody>
</table>

    
<dl class="details">
    

</dl>


</dd>

        </dl>
    

</article>

</section>


		</div>
	</div>

	<div class="clearfix"></div>

	
		<div class="col-md-3">
			<div id="toc" class="col-md-3 hidden-xs hidden-sm hidden-md"></div>
		</div>
	

</div>
</div>


    <div class="modal fade" id="searchResults">
      <div class="modal-dialog">
        <div class="modal-content">
          <div class="modal-header">
            <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
            <h4 class="modal-title">Search results</h4>
          </div>
          <div class="modal-body"></div>
          <div class="modal-footer">
            <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
          </div>
        </div><!-- /.modal-content -->
      </div><!-- /.modal-dialog -->
    </div>


<footer>


<span class="jsdoc-message">
	Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a>
	
		on 2018-11-29T11:16:28-08:00
	
	using the <a href="https://github.com/docstrap/docstrap">DocStrap template</a>.
</span>
</footer>

<script src="scripts/docstrap.lib.js"></script>
<script src="scripts/toc.js"></script>

    <script type="text/javascript" src="scripts/fulltext-search-ui.js"></script>


<script>
$( function () {
	$( "[id*='$']" ).each( function () {
		var $this = $( this );

		$this.attr( "id", $this.attr( "id" ).replace( "$", "__" ) );
	} );

	$( ".tutorial-section pre, .readme-section pre, pre.prettyprint.source" ).each( function () {
		var $this = $( this );

		var example = $this.find( "code" );
		exampleText = example.html();
		var lang = /{@lang (.*?)}/.exec( exampleText );
		if ( lang && lang[1] ) {
			exampleText = exampleText.replace( lang[0], "" );
			example.html( exampleText );
			lang = lang[1];
		} else {
			var langClassMatch = example.parent()[0].className.match(/lang\-(\S+)/);
			lang = langClassMatch ? langClassMatch[1] : "javascript";
		}

		if ( lang ) {

			$this
			.addClass( "sunlight-highlight-" + lang )
			.addClass( "linenums" )
			.html( example.html() );

		}
	} );

	Sunlight.highlightAll( {
		lineNumbers : false,
		showMenu : true,
		enableDoclinks : true
	} );

	$.catchAnchorLinks( {
        navbarOffset: 10
	} );
	$( "#toc" ).toc( {
		anchorName  : function ( i, heading, prefix ) {
			return $( heading ).attr( "id" ) || ( prefix + i );
		},
		selectors   : "#toc-content h1,#toc-content h2,#toc-content h3,#toc-content h4",
		showAndHide : false,
		smoothScrolling: true
	} );

	$( "#main span[id^='toc']" ).addClass( "toc-shim" );
	$( '.dropdown-toggle' ).dropdown();

    $( "table" ).each( function () {
      var $this = $( this );
      $this.addClass('table');
    } );

} );
</script>


<!--Navigation and Symbol Display-->


<!--Google Analytics-->


    <script type="text/javascript">
        $(document).ready(function() {
            SearcherDisplay.init();
        });
    </script>


</body>
</html>