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<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.logging.log4j.message</a></div>
<h1 title="Class StructuredDataCollectionMessage" class="title">Class StructuredDataCollectionMessage</h1>
</div>
<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
<div class="inheritance">org.apache.logging.log4j.message.StructuredDataCollectionMessage</div>
</div>
<section class="class-description" id="class-description">
<dl class="notes">
<dt>All Implemented Interfaces:</dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html" title="class or interface in java.io" class="external-link">Serializable</a></code>, <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html" title="class or interface in java.lang" class="external-link">Iterable</a>&lt;<a href="StructuredDataMessage.html" title="class in org.apache.logging.log4j.message">StructuredDataMessage</a>&gt;</code>, <code><a href="Message.html" title="interface in org.apache.logging.log4j.message">Message</a></code>, <code><a href="MessageCollectionMessage.html" title="interface in org.apache.logging.log4j.message">MessageCollectionMessage</a>&lt;<a href="StructuredDataMessage.html" title="class in org.apache.logging.log4j.message">StructuredDataMessage</a>&gt;</code>, <code><a href="../util/StringBuilderFormattable.html" title="interface in org.apache.logging.log4j.util">StringBuilderFormattable</a></code></dd>
</dl>
<hr>
<div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">StructuredDataCollectionMessage</span>
<span class="extends-implements">extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>
implements <a href="../util/StringBuilderFormattable.html" title="interface in org.apache.logging.log4j.util">StringBuilderFormattable</a>, <a href="MessageCollectionMessage.html" title="interface in org.apache.logging.log4j.message">MessageCollectionMessage</a>&lt;<a href="StructuredDataMessage.html" title="class in org.apache.logging.log4j.message">StructuredDataMessage</a>&gt;</span></div>
<div class="block">A collection of StructuredDataMessages.</div>
<dl class="notes">
<dt>See Also:</dt>
<dd>
<ul class="see-list">
<li><a href="../../../../../serialized-form.html#org.apache.logging.log4j.message.StructuredDataCollectionMessage">Serialized Form</a></li>
</ul>
</dd>
</dl>
</section>
<section class="summary">
<ul class="summary-list">
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<li>
<section class="constructor-summary" id="constructor-summary">
<h2>Constructor Summary</h2>
<div class="caption"><span>Constructors</span></div>
<div class="summary-table two-column-summary">
<div class="table-header col-first">Constructor</div>
<div class="table-header col-last">Description</div>
<div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(java.util.List)" class="member-name-link">StructuredDataCollectionMessage</a><wbr>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="StructuredDataMessage.html" title="class in org.apache.logging.log4j.message">StructuredDataMessage</a>&gt;&nbsp;messages)</code></div>
<div class="col-last even-row-color">&nbsp;</div>
</div>
</section>
</li>
<!-- ========== METHOD SUMMARY =========== -->
<li>
<section class="method-summary" id="method-summary">
<h2>Method Summary</h2>
<div id="method-summary-table">
<div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
<div id="method-summary-table.tabpanel" role="tabpanel">
<div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Method</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#formatTo(java.lang.StringBuilder)" class="member-name-link">formatTo</a><wbr>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StringBuilder.html" title="class or interface in java.lang" class="external-link">StringBuilder</a>&nbsp;buffer)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Writes a text representation of this object into the specified <code>StringBuilder</code>, ideally without allocating
temporary objects.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getFormat()" class="member-name-link">getFormat</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Gets the format portion of the Message.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getFormattedMessage()" class="member-name-link">getFormattedMessage</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Gets the Message formatted as a String.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>[]</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getParameters()" class="member-name-link">getParameters</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Gets parameter values, if any.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Throwable.html" title="class or interface in java.lang" class="external-link">Throwable</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getThrowable()" class="member-name-link">getThrowable</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Gets the throwable, if any.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html" title="class or interface in java.util" class="external-link">Iterator</a>&lt;<a href="StructuredDataMessage.html" title="class in org.apache.logging.log4j.message">StructuredDataMessage</a>&gt;</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#iterator()" class="member-name-link">iterator</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
</div>
</div>
</div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#clone--" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#equals-java.lang.Object-" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#finalize--" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#getClass--" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#hashCode--" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notify--" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notifyAll--" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#toString--" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait--" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-int-" title="class or interface in java.lang" class="external-link">wait</a></code></div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-java.lang.Iterable">Methods inherited from interface&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html" title="class or interface in java.lang" class="external-link">Iterable</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html#forEach-java.util.function.Consumer-" title="class or interface in java.lang" class="external-link">forEach</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html#spliterator--" title="class or interface in java.lang" class="external-link">spliterator</a></code></div>
</section>
</li>
</ul>
</section>
<section class="details">
<ul class="details-list">
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<li>
<section class="constructor-details" id="constructor-detail">
<h2>Constructor Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="&lt;init&gt;(java.util.List)">
<h3>StructuredDataCollectionMessage</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">StructuredDataCollectionMessage</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="StructuredDataMessage.html" title="class in org.apache.logging.log4j.message">StructuredDataMessage</a>&gt;&nbsp;messages)</span></div>
</section>
</li>
</ul>
</section>
</li>
<!-- ============ METHOD DETAIL ========== -->
<li>
<section class="method-details" id="method-detail">
<h2>Method Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="iterator()">
<h3>iterator</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html" title="class or interface in java.util" class="external-link">Iterator</a>&lt;<a href="StructuredDataMessage.html" title="class in org.apache.logging.log4j.message">StructuredDataMessage</a>&gt;</span>&nbsp;<span class="element-name">iterator</span>()</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html#iterator--" title="class or interface in java.lang" class="external-link">iterator</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html" title="class or interface in java.lang" class="external-link">Iterable</a>&lt;<a href="StructuredDataMessage.html" title="class in org.apache.logging.log4j.message">StructuredDataMessage</a>&gt;</code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getFormattedMessage()">
<h3>getFormattedMessage</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">getFormattedMessage</span>()</div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="Message.html#getFormattedMessage()">Message</a></code></span></div>
<div class="block">Gets the Message formatted as a String. Each Message implementation determines the
appropriate way to format the data encapsulated in the Message. Messages that provide
more than one way of formatting the Message will implement MultiformatMessage.
<p>
When configured to log asynchronously, this method is called before the Message is queued, unless this
message implements <a href="ReusableMessage.html" title="interface in org.apache.logging.log4j.message"><code>ReusableMessage</code></a> or is annotated with <a href="AsynchronouslyFormattable.html" title="annotation in org.apache.logging.log4j.message"><code>AsynchronouslyFormattable</code></a>.
This gives the Message implementation class a chance to create a formatted message String with the current value
of any mutable objects.
The intention is that the Message implementation caches this formatted message and returns it on subsequent
calls. (See <a href="https://issues.apache.org/jira/browse/LOG4J2-763">LOG4J2-763</a>.)
</p>
<p>
When logging synchronously, this method will not be called for Messages that implement the
<a href="../util/StringBuilderFormattable.html" title="interface in org.apache.logging.log4j.util"><code>StringBuilderFormattable</code></a> interface: instead, the
<a href="../util/StringBuilderFormattable.html#formatTo(java.lang.StringBuilder)"><code>formatTo(StringBuilder)</code></a> method will be called so the
Message can format its contents without creating intermediate String objects.
</p></div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="Message.html#getFormattedMessage()">getFormattedMessage</a></code>&nbsp;in interface&nbsp;<code><a href="Message.html" title="interface in org.apache.logging.log4j.message">Message</a></code></dd>
<dt>Returns:</dt>
<dd>The message String.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getFormat()">
<h3>getFormat</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">getFormat</span>()</div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="Message.html#getFormat()">Message</a></code></span></div>
<div class="block">Gets the format portion of the Message.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="Message.html#getFormat()">getFormat</a></code>&nbsp;in interface&nbsp;<code><a href="Message.html" title="interface in org.apache.logging.log4j.message">Message</a></code></dd>
<dt>Returns:</dt>
<dd>The message format. Some implementations, such as ParameterizedMessage, will use this as
the message "pattern". Other Messages may simply return an empty String.
TODO Do all messages have a format? What syntax? Using a Formatter object could be cleaner.
(RG) In SimpleMessage the format is identical to the formatted message. In ParameterizedMessage and
StructuredDataMessage it is not. It is up to the Message implementer to determine what this
method will return. A Formatter is inappropriate as this is very specific to the Message
implementation so it isn't clear to me how having a Formatter separate from the Message would be cleaner.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="formatTo(java.lang.StringBuilder)">
<h3>formatTo</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">formatTo</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StringBuilder.html" title="class or interface in java.lang" class="external-link">StringBuilder</a>&nbsp;buffer)</span></div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="../util/StringBuilderFormattable.html#formatTo(java.lang.StringBuilder)">StringBuilderFormattable</a></code></span></div>
<div class="block">Writes a text representation of this object into the specified <code>StringBuilder</code>, ideally without allocating
temporary objects.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../util/StringBuilderFormattable.html#formatTo(java.lang.StringBuilder)">formatTo</a></code>&nbsp;in interface&nbsp;<code><a href="../util/StringBuilderFormattable.html" title="interface in org.apache.logging.log4j.util">StringBuilderFormattable</a></code></dd>
<dt>Parameters:</dt>
<dd><code>buffer</code> - the StringBuilder to write into</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getParameters()">
<h3>getParameters</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>[]</span>&nbsp;<span class="element-name">getParameters</span>()</div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="Message.html#getParameters()">Message</a></code></span></div>
<div class="block">Gets parameter values, if any.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="Message.html#getParameters()">getParameters</a></code>&nbsp;in interface&nbsp;<code><a href="Message.html" title="interface in org.apache.logging.log4j.message">Message</a></code></dd>
<dt>Returns:</dt>
<dd>An array of parameter values or null.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getThrowable()">
<h3>getThrowable</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Throwable.html" title="class or interface in java.lang" class="external-link">Throwable</a></span>&nbsp;<span class="element-name">getThrowable</span>()</div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="Message.html#getThrowable()">Message</a></code></span></div>
<div class="block">Gets the throwable, if any.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="Message.html#getThrowable()">getThrowable</a></code>&nbsp;in interface&nbsp;<code><a href="Message.html" title="interface in org.apache.logging.log4j.message">Message</a></code></dd>
<dt>Returns:</dt>
<dd>the throwable or null.</dd>
</dl>
</section>
</li>
</ul>
</section>
</li>
</ul>
</section>
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