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<div class="subTitle">org.apache.shiro.authc.pam</div>
<h2 title="Class AtLeastOneSuccessfulStrategy" class="title">Class AtLeastOneSuccessfulStrategy</h2>
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<li><a href="../../../../../org/apache/shiro/authc/pam/AbstractAuthenticationStrategy.html" title="class in org.apache.shiro.authc.pam">org.apache.shiro.authc.pam.AbstractAuthenticationStrategy</a></li>
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<li>org.apache.shiro.authc.pam.AtLeastOneSuccessfulStrategy</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../org/apache/shiro/authc/pam/AuthenticationStrategy.html" title="interface in org.apache.shiro.authc.pam">AuthenticationStrategy</a></dd>
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<pre>public class <a href="../../../../../src-html/org/apache/shiro/authc/pam/AtLeastOneSuccessfulStrategy.html#line.42">AtLeastOneSuccessfulStrategy</a>
extends <a href="../../../../../org/apache/shiro/authc/pam/AbstractAuthenticationStrategy.html" title="class in org.apache.shiro.authc.pam">AbstractAuthenticationStrategy</a></pre>
<div class="block"><tt>AuthenticationStrategy</tt> implementation that requires <em>at least one</em> configured realm to
successfully process the submitted <tt>AuthenticationToken</tt> during the log-in attempt.
<p/>
<p>This means any number of configured realms do not have to support the submitted log-in token, or they may
be unable to acquire <tt>AuthenticationInfo</tt> for the token, but as long as at least one can do both, this
Strategy implementation will allow the log-in process to be successful.
<p/>
<p>Note that this implementation will aggregate the account data from <em>all</em> successfully consulted
realms during the authentication attempt. If you want only the account data from the first successfully
consulted realm and want to ignore all subsequent realms, use the
<a href="../../../../../org/apache/shiro/authc/pam/FirstSuccessfulStrategy.html" title="class in org.apache.shiro.authc.pam"><code>FirstSuccessfulAuthenticationStrategy</code></a> instead.</div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>0.2</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../org/apache/shiro/authc/pam/FirstSuccessfulStrategy.html" title="class in org.apache.shiro.authc.pam"><code>FirstSuccessfulAuthenticationStrategy</code></a></dd>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/shiro/authc/pam/AtLeastOneSuccessfulStrategy.html#AtLeastOneSuccessfulStrategy--">AtLeastOneSuccessfulStrategy</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code><a href="../../../../../org/apache/shiro/authc/AuthenticationInfo.html" title="interface in org.apache.shiro.authc">AuthenticationInfo</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/shiro/authc/pam/AtLeastOneSuccessfulStrategy.html#afterAllAttempts-org.apache.shiro.authc.AuthenticationToken-org.apache.shiro.authc.AuthenticationInfo-">afterAllAttempts</a></span>(<a href="../../../../../org/apache/shiro/authc/AuthenticationToken.html" title="interface in org.apache.shiro.authc">AuthenticationToken</a>&nbsp;token,
<a href="../../../../../org/apache/shiro/authc/AuthenticationInfo.html" title="interface in org.apache.shiro.authc">AuthenticationInfo</a>&nbsp;aggregate)</code>
<div class="block">Ensures that the <code>aggregate</code> method argument is not <code>null</code> and
<code>aggregate.</div>
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<code><a href="../../../../../org/apache/shiro/authc/pam/AbstractAuthenticationStrategy.html#afterAttempt-org.apache.shiro.realm.Realm-org.apache.shiro.authc.AuthenticationToken-org.apache.shiro.authc.AuthenticationInfo-org.apache.shiro.authc.AuthenticationInfo-java.lang.Throwable-">afterAttempt</a>, <a href="../../../../../org/apache/shiro/authc/pam/AbstractAuthenticationStrategy.html#beforeAllAttempts-java.util.Collection-org.apache.shiro.authc.AuthenticationToken-">beforeAllAttempts</a>, <a href="../../../../../org/apache/shiro/authc/pam/AbstractAuthenticationStrategy.html#beforeAttempt-org.apache.shiro.realm.Realm-org.apache.shiro.authc.AuthenticationToken-org.apache.shiro.authc.AuthenticationInfo-">beforeAttempt</a>, <a href="../../../../../org/apache/shiro/authc/pam/AbstractAuthenticationStrategy.html#merge-org.apache.shiro.authc.AuthenticationInfo-org.apache.shiro.authc.AuthenticationInfo-">merge</a></code></li>
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<h4>AtLeastOneSuccessfulStrategy</h4>
<pre>public&nbsp;<a href="../../../../../src-html/org/apache/shiro/authc/pam/AtLeastOneSuccessfulStrategy.html#line.42">AtLeastOneSuccessfulStrategy</a>()</pre>
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<h4>afterAllAttempts</h4>
<pre>public&nbsp;<a href="../../../../../org/apache/shiro/authc/AuthenticationInfo.html" title="interface in org.apache.shiro.authc">AuthenticationInfo</a>&nbsp;<a href="../../../../../src-html/org/apache/shiro/authc/pam/AtLeastOneSuccessfulStrategy.html#line.54">afterAllAttempts</a>(<a href="../../../../../org/apache/shiro/authc/AuthenticationToken.html" title="interface in org.apache.shiro.authc">AuthenticationToken</a>&nbsp;token,
<a href="../../../../../org/apache/shiro/authc/AuthenticationInfo.html" title="interface in org.apache.shiro.authc">AuthenticationInfo</a>&nbsp;aggregate)
throws <a href="../../../../../org/apache/shiro/authc/AuthenticationException.html" title="class in org.apache.shiro.authc">AuthenticationException</a></pre>
<div class="block">Ensures that the <code>aggregate</code> method argument is not <code>null</code> and
<code>aggregate.<a href="../../../../../org/apache/shiro/authc/AuthenticationInfo.html#getPrincipals--"><code>getPrincipals()</code></a></code>
is not <code>null</code>, and if either is <code>null</code>, throws an AuthenticationException to indicate
that none of the realms authenticated successfully.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/shiro/authc/pam/AuthenticationStrategy.html#afterAllAttempts-org.apache.shiro.authc.AuthenticationToken-org.apache.shiro.authc.AuthenticationInfo-">afterAllAttempts</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/shiro/authc/pam/AuthenticationStrategy.html" title="interface in org.apache.shiro.authc.pam">AuthenticationStrategy</a></code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../org/apache/shiro/authc/pam/AbstractAuthenticationStrategy.html#afterAllAttempts-org.apache.shiro.authc.AuthenticationToken-org.apache.shiro.authc.AuthenticationInfo-">afterAllAttempts</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/shiro/authc/pam/AbstractAuthenticationStrategy.html" title="class in org.apache.shiro.authc.pam">AbstractAuthenticationStrategy</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>token</code> - the <code>AuthenticationToken</code> submitted for the subject attempting system log-in.</dd>
<dd><code>aggregate</code> - the aggregate <code>AuthenticationInfo</code> instance populated by all realms during the log-in attempt.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the final <code>AuthenticationInfo</code> object to return to the Authenticator.authenticate() caller.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/shiro/authc/AuthenticationException.html" title="class in org.apache.shiro.authc">AuthenticationException</a></code> - if the Strategy implementation wishes to fail the authentication attempt.</dd>
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