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<div class="subTitle">org.apache.logging.log4j.core.config.plugins.validation</div>
<h2 title="Interface ConstraintValidator" class="title">Interface ConstraintValidator&lt;A extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/annotation/Annotation.html?is-external=true" title="class or interface in java.lang.annotation">Annotation</a>&gt;</h2>
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<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>A</code> - the <a href="../../../../../../../../org/apache/logging/log4j/core/config/plugins/validation/Constraint.html" title="annotation in org.apache.logging.log4j.core.config.plugins.validation"><code>Constraint</code></a> annotation this interface validates.</dd>
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<dt>All Known Implementing Classes:</dt>
<dd><a href="../../../../../../../../org/apache/logging/log4j/core/config/plugins/validation/validators/RequiredValidator.html" title="class in org.apache.logging.log4j.core.config.plugins.validation.validators">RequiredValidator</a>, <a href="../../../../../../../../org/apache/logging/log4j/core/config/plugins/validation/validators/ValidHostValidator.html" title="class in org.apache.logging.log4j.core.config.plugins.validation.validators">ValidHostValidator</a>, <a href="../../../../../../../../org/apache/logging/log4j/core/config/plugins/validation/validators/ValidPortValidator.html" title="class in org.apache.logging.log4j.core.config.plugins.validation.validators">ValidPortValidator</a></dd>
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<pre>public interface <a href="../../../../../../../../src-html/org/apache/logging/log4j/core/config/plugins/validation/ConstraintValidator.html#line.27">ConstraintValidator</a>&lt;A extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/annotation/Annotation.html?is-external=true" title="class or interface in java.lang.annotation">Annotation</a>&gt;</pre>
<div class="block">Interface that <a href="../../../../../../../../org/apache/logging/log4j/core/config/plugins/validation/Constraint.html" title="annotation in org.apache.logging.log4j.core.config.plugins.validation"><code>Constraint</code></a> annotations must implement to perform validation logic.</div>
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<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>2.1</dd>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/logging/log4j/core/config/plugins/validation/ConstraintValidator.html#initialize-A-">initialize</a></span>(<a href="../../../../../../../../org/apache/logging/log4j/core/config/plugins/validation/ConstraintValidator.html" title="type parameter in ConstraintValidator">A</a>&nbsp;annotation)</code>
<div class="block">Called before this validator is used with the constraint annotation value.</div>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/logging/log4j/core/config/plugins/validation/ConstraintValidator.html#isValid-java.lang.String-java.lang.Object-">isValid</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;name,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;value)</code>
<div class="block">Indicates if the given value is valid.</div>
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<h4>initialize</h4>
<pre>void&nbsp;<a href="../../../../../../../../src-html/org/apache/logging/log4j/core/config/plugins/validation/ConstraintValidator.html#line.34">initialize</a>(<a href="../../../../../../../../org/apache/logging/log4j/core/config/plugins/validation/ConstraintValidator.html" title="type parameter in ConstraintValidator">A</a>&nbsp;annotation)</pre>
<div class="block">Called before this validator is used with the constraint annotation value.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>annotation</code> - the annotation value this validator will be validating.</dd>
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<h4>isValid</h4>
<pre>boolean&nbsp;<a href="../../../../../../../../src-html/org/apache/logging/log4j/core/config/plugins/validation/ConstraintValidator.html#line.43">isValid</a>(<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;name,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;value)</pre>
<div class="block">Indicates if the given value is valid.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - the name to use for error reporting</dd>
<dd><code>value</code> - the value to validate.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>true</code> if the given value is valid.</dd>
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