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<div class="subTitle">org.apache.hadoop.crypto.key</div>
<h2 title="Class KeyProviderDelegationTokenExtension" class="title">Class KeyProviderDelegationTokenExtension</h2>
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<li><a href="../../../../../org/apache/hadoop/crypto/key/KeyProvider.html" title="class in org.apache.hadoop.crypto.key">org.apache.hadoop.crypto.key.KeyProvider</a></li>
<li>
<ul class="inheritance">
<li><a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderExtension.html" title="class in org.apache.hadoop.crypto.key">org.apache.hadoop.crypto.key.KeyProviderExtension</a>&lt;<a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderDelegationTokenExtension.DelegationTokenExtension.html" title="interface in org.apache.hadoop.crypto.key">KeyProviderDelegationTokenExtension.DelegationTokenExtension</a>&gt;</li>
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<li>org.apache.hadoop.crypto.key.KeyProviderDelegationTokenExtension</li>
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<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a>, org.apache.hadoop.security.token.DelegationTokenIssuer</dd>
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<pre>public class <span class="typeNameLabel">KeyProviderDelegationTokenExtension</span>
extends <a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderExtension.html" title="class in org.apache.hadoop.crypto.key">KeyProviderExtension</a>&lt;<a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderDelegationTokenExtension.DelegationTokenExtension.html" title="interface in org.apache.hadoop.crypto.key">KeyProviderDelegationTokenExtension.DelegationTokenExtension</a>&gt;
implements org.apache.hadoop.security.token.DelegationTokenIssuer</pre>
<div class="block">A KeyProvider extension with the ability to add a renewer's Delegation
Tokens to the provided Credentials.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<tr class="altColor">
<td class="colFirst"><code>static interface&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderDelegationTokenExtension.DelegationTokenExtension.html" title="interface in org.apache.hadoop.crypto.key">KeyProviderDelegationTokenExtension.DelegationTokenExtension</a></span></code>
<div class="block">DelegationTokenExtension is a type of Extension that exposes methods
needed to work with Delegation Tokens.</div>
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<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.hadoop.crypto.key.<a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderExtension.html" title="class in org.apache.hadoop.crypto.key">KeyProviderExtension</a></h3>
<code><a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderExtension.Extension.html" title="interface in org.apache.hadoop.crypto.key">KeyProviderExtension.Extension</a></code></li>
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<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.hadoop.crypto.key.<a href="../../../../../org/apache/hadoop/crypto/key/KeyProvider.html" title="class in org.apache.hadoop.crypto.key">KeyProvider</a></h3>
<code><a href="../../../../../org/apache/hadoop/crypto/key/KeyProvider.KeyVersion.html" title="class in org.apache.hadoop.crypto.key">KeyProvider.KeyVersion</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProvider.Metadata.html" title="class in org.apache.hadoop.crypto.key">KeyProvider.Metadata</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProvider.Options.html" title="class in org.apache.hadoop.crypto.key">KeyProvider.Options</a></code></li>
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<code><a href="../../../../../org/apache/hadoop/crypto/key/KeyProvider.html#DEFAULT_BITLENGTH">DEFAULT_BITLENGTH</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProvider.html#DEFAULT_BITLENGTH_NAME">DEFAULT_BITLENGTH_NAME</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProvider.html#DEFAULT_CIPHER">DEFAULT_CIPHER</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProvider.html#DEFAULT_CIPHER_NAME">DEFAULT_CIPHER_NAME</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProvider.html#JCEKS_KEY_SERIAL_FILTER">JCEKS_KEY_SERIAL_FILTER</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProvider.html#JCEKS_KEY_SERIALFILTER_DEFAULT">JCEKS_KEY_SERIALFILTER_DEFAULT</a></code></li>
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<td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderDelegationTokenExtension.html" title="class in org.apache.hadoop.crypto.key">KeyProviderDelegationTokenExtension</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderDelegationTokenExtension.html#createKeyProviderDelegationTokenExtension-org.apache.hadoop.crypto.key.KeyProvider-">createKeyProviderDelegationTokenExtension</a></span>(<a href="../../../../../org/apache/hadoop/crypto/key/KeyProvider.html" title="class in org.apache.hadoop.crypto.key">KeyProvider</a>&nbsp;keyProvider)</code>
<div class="block">Creates a <code>KeyProviderDelegationTokenExtension</code> using a given
<a href="../../../../../org/apache/hadoop/crypto/key/KeyProvider.html" title="class in org.apache.hadoop.crypto.key"><code>KeyProvider</code></a>.</div>
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<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderDelegationTokenExtension.html#getCanonicalServiceName--">getCanonicalServiceName</a></span>()</code>
<div class="block">The service name used as the alias for the token in the credential
token map.</div>
</td>
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<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/security/token/Token.html" title="class in org.apache.hadoop.security.token">Token</a>&lt;?&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderDelegationTokenExtension.html#getDelegationToken-java.lang.String-">getDelegationToken</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;renewer)</code>
<div class="block">Unconditionally get a new token with the optional renewer.</div>
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<h3>Methods inherited from class&nbsp;org.apache.hadoop.crypto.key.<a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderExtension.html" title="class in org.apache.hadoop.crypto.key">KeyProviderExtension</a></h3>
<code><a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderExtension.html#createKey-java.lang.String-byte:A-org.apache.hadoop.crypto.key.KeyProvider.Options-">createKey</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderExtension.html#createKey-java.lang.String-org.apache.hadoop.crypto.key.KeyProvider.Options-">createKey</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderExtension.html#deleteKey-java.lang.String-">deleteKey</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderExtension.html#flush--">flush</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderExtension.html#getCurrentKey-java.lang.String-">getCurrentKey</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderExtension.html#getExtension--">getExtension</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderExtension.html#getKeyProvider--">getKeyProvider</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderExtension.html#getKeys--">getKeys</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderExtension.html#getKeysMetadata-java.lang.String...-">getKeysMetadata</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderExtension.html#getKeyVersion-java.lang.String-">getKeyVersion</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderExtension.html#getKeyVersions-java.lang.String-">getKeyVersions</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderExtension.html#getMetadata-java.lang.String-">getMetadata</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderExtension.html#invalidateCache-java.lang.String-">invalidateCache</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderExtension.html#isTransient--">isTransient</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderExtension.html#rollNewVersion-java.lang.String-">rollNewVersion</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderExtension.html#rollNewVersion-java.lang.String-byte:A-">rollNewVersion</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderExtension.html#toString--">toString</a></code></li>
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<h3>Methods inherited from class&nbsp;org.apache.hadoop.crypto.key.<a href="../../../../../org/apache/hadoop/crypto/key/KeyProvider.html" title="class in org.apache.hadoop.crypto.key">KeyProvider</a></h3>
<code><a href="../../../../../org/apache/hadoop/crypto/key/KeyProvider.html#buildVersionName-java.lang.String-int-">buildVersionName</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProvider.html#close--">close</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProvider.html#findProvider-java.util.List-java.lang.String-">findProvider</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProvider.html#generateKey-int-java.lang.String-">generateKey</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProvider.html#getBaseName-java.lang.String-">getBaseName</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProvider.html#getConf--">getConf</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProvider.html#needsPassword--">needsPassword</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProvider.html#noPasswordError--">noPasswordError</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProvider.html#noPasswordWarning--">noPasswordWarning</a>, <a href="../../../../../org/apache/hadoop/crypto/key/KeyProvider.html#options-org.apache.hadoop.conf.Configuration-">options</a></code></li>
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<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<h3>Methods inherited from interface&nbsp;org.apache.hadoop.security.token.DelegationTokenIssuer</h3>
<code>addDelegationTokens, getAdditionalTokenIssuers</code></li>
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<h4>getCanonicalServiceName</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getCanonicalServiceName()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code>org.apache.hadoop.security.token.DelegationTokenIssuer</code></span></div>
<div class="block">The service name used as the alias for the token in the credential
token map. addDelegationTokens will use this to determine if
a token exists, and if not, add a new token with this alias.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>getCanonicalServiceName</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.security.token.DelegationTokenIssuer</code></dd>
</dl>
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<h4>getDelegationToken</h4>
<pre>public&nbsp;<a href="../../../../../org/apache/hadoop/security/token/Token.html" title="class in org.apache.hadoop.security.token">Token</a>&lt;?&gt;&nbsp;getDelegationToken(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;renewer)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code>org.apache.hadoop.security.token.DelegationTokenIssuer</code></span></div>
<div class="block">Unconditionally get a new token with the optional renewer. Returning
null indicates the service does not issue tokens.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>getDelegationToken</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.security.token.DelegationTokenIssuer</code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
</dl>
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<h4>createKeyProviderDelegationTokenExtension</h4>
<pre>public static&nbsp;<a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderDelegationTokenExtension.html" title="class in org.apache.hadoop.crypto.key">KeyProviderDelegationTokenExtension</a>&nbsp;createKeyProviderDelegationTokenExtension(<a href="../../../../../org/apache/hadoop/crypto/key/KeyProvider.html" title="class in org.apache.hadoop.crypto.key">KeyProvider</a>&nbsp;keyProvider)</pre>
<div class="block">Creates a <code>KeyProviderDelegationTokenExtension</code> using a given
<a href="../../../../../org/apache/hadoop/crypto/key/KeyProvider.html" title="class in org.apache.hadoop.crypto.key"><code>KeyProvider</code></a>.
<p>
If the given <code>KeyProvider</code> implements the
<a href="../../../../../org/apache/hadoop/crypto/key/KeyProviderDelegationTokenExtension.DelegationTokenExtension.html" title="interface in org.apache.hadoop.crypto.key"><code>KeyProviderDelegationTokenExtension.DelegationTokenExtension</code></a> interface the <code>KeyProvider</code>
itself will provide the extension functionality, otherwise a default
extension implementation will be used.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>keyProvider</code> - <code>KeyProvider</code> to use to create the
<code>KeyProviderDelegationTokenExtension</code> extension.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a <code>KeyProviderDelegationTokenExtension</code> instance
using the given <code>KeyProvider</code>.</dd>
</dl>
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