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<h2 title="Class StructureHeader" class="title">Class StructureHeader</h2>
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<li><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">java.lang.Object</a></li>
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<pre>public class <span class="typeNameLabel">StructureHeader</span>
extends <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">Object</a></pre>
<div class="block">Represents the header for the blob</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Class</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="StructureHeader.BlobID.html" title="enum in com.ibm.j9ddr">StructureHeader.BlobID</a></span></code></th>
<td class="colLast">
<div class="block">Identifies the type of blob by its name</div>
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<th class="colFirst" scope="col">Constructor</th>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(byte)">StructureHeader</a></span>&#8203;(byte&nbsp;configVersion)</code></th>
<td class="colLast">
<div class="block">Allow the use of partial header reading by creating a StructureHeader which is
just identified by it's version.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(com.ibm.j9ddr.StructureHeader.BlobID,int,java.lang.String)">StructureHeader</a></span>&#8203;(<a href="StructureHeader.BlobID.html" title="enum in com.ibm.j9ddr">StructureHeader.BlobID</a>&nbsp;id,
int&nbsp;blobVersion,
<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a>&nbsp;packageID)</code></th>
<td class="colLast">
<div class="block">Configure a structure header which is just identified by a blob type and version.</div>
</td>
</tr>
<tr class="altColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(java.io.InputStream)">StructureHeader</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/InputStream.html?is-external=true" title="class or interface in java.io" class="externalLink" target="_blank">InputStream</a>&nbsp;in)</code></th>
<td class="colLast">
<div class="block">Use this constructor if the header is coming from a superset file.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(javax.imageio.stream.ImageInputStream)">StructureHeader</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.desktop/javax/imageio/stream/ImageInputStream.html?is-external=true" title="class or interface in javax.imageio.stream" class="externalLink" target="_blank">ImageInputStream</a>&nbsp;ddrStream)</code></th>
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<td class="colFirst"><code>byte</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getBitfieldFormat()">getBitfieldFormat</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="StructureHeader.BlobID.html" title="enum in com.ibm.j9ddr">StructureHeader.BlobID</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getBlobID()">getBlobID</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getBlobVersion()">getBlobVersion</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>int[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getBlobVersionArray()">getBlobVersionArray</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>byte</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getConfigVersion()">getConfigVersion</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCoreVersion()">getCoreVersion</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>long</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getHeaderSize()">getHeaderSize</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getPackageID()">getPackageID</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>byte</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSizeofBool()">getSizeofBool</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>byte</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSizeofUDATA()">getSizeofUDATA</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getStringTableDataSize()">getStringTableDataSize</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getStructDataSize()">getStructDataSize</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getStructureCount()">getStructureCount</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#readBlobVersion(javax.imageio.stream.ImageInputStream)">readBlobVersion</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.desktop/javax/imageio/stream/ImageInputStream.html?is-external=true" title="class or interface in javax.imageio.stream" class="externalLink" target="_blank">ImageInputStream</a>&nbsp;ddrStream)</code></th>
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<h3>Methods declared in class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">Object</a></h3>
<code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang" class="externalLink" target="_blank">clone</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink" target="_blank">equals</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang" class="externalLink" target="_blank">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang" class="externalLink" target="_blank">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang" class="externalLink" target="_blank">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang" class="externalLink" target="_blank">notify</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang" class="externalLink" target="_blank">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang" class="externalLink" target="_blank">toString</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang" class="externalLink" target="_blank">wait</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink" target="_blank">wait</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink" target="_blank">wait</a></code></li>
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<h4>StructureHeader</h4>
<pre>public&nbsp;StructureHeader&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.desktop/javax/imageio/stream/ImageInputStream.html?is-external=true" title="class or interface in javax.imageio.stream" class="externalLink" target="_blank">ImageInputStream</a>&nbsp;ddrStream)
throws <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink" target="_blank">IOException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink" target="_blank">IOException</a></code></dd>
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<h4>StructureHeader</h4>
<pre>public&nbsp;StructureHeader&#8203;(byte&nbsp;configVersion)</pre>
<div class="block">Allow the use of partial header reading by creating a StructureHeader which is
just identified by it's version. Fragments of the header can then be read in.
The primary use for this function is when loading just a blob identifier from the
core file which is then used to match an entry in the blob library.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>configVersion</code> - </dd>
</dl>
</li>
</ul>
<a id="&lt;init&gt;(com.ibm.j9ddr.StructureHeader.BlobID,int,java.lang.String)">
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<h4>StructureHeader</h4>
<pre>public&nbsp;StructureHeader&#8203;(<a href="StructureHeader.BlobID.html" title="enum in com.ibm.j9ddr">StructureHeader.BlobID</a>&nbsp;id,
int&nbsp;blobVersion,
<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a>&nbsp;packageID)</pre>
<div class="block">Configure a structure header which is just identified by a blob type and version.
This will be used when a blob is determined by heuristics rather than directly
being read from the core. This information is then typically used to retrieve the
blob from the BlobFactory.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>id</code> - </dd>
<dd><code>blobVersion</code> - </dd>
<dd><code>packageID</code> - </dd>
</dl>
</li>
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<a id="&lt;init&gt;(java.io.InputStream)">
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<h4>StructureHeader</h4>
<pre>public&nbsp;StructureHeader&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/InputStream.html?is-external=true" title="class or interface in java.io" class="externalLink" target="_blank">InputStream</a>&nbsp;in)</pre>
<div class="block">Use this constructor if the header is coming from a superset file.
Warning : as this file does not contain any header information all the
defaults will be used in this instance.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>in</code> - </dd>
</dl>
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<h4>readBlobVersion</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;readBlobVersion&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.desktop/javax/imageio/stream/ImageInputStream.html?is-external=true" title="class or interface in javax.imageio.stream" class="externalLink" target="_blank">ImageInputStream</a>&nbsp;ddrStream)
throws <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink" target="_blank">IOException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink" target="_blank">IOException</a></code></dd>
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<h4>getCoreVersion</h4>
<pre class="methodSignature">public&nbsp;int&nbsp;getCoreVersion()</pre>
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<h4>getSizeofBool</h4>
<pre class="methodSignature">public&nbsp;byte&nbsp;getSizeofBool()</pre>
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<h4>getSizeofUDATA</h4>
<pre class="methodSignature">public&nbsp;byte&nbsp;getSizeofUDATA()</pre>
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<h4>getBitfieldFormat</h4>
<pre class="methodSignature">public&nbsp;byte&nbsp;getBitfieldFormat()</pre>
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<h4>getStructDataSize</h4>
<pre class="methodSignature">public&nbsp;int&nbsp;getStructDataSize()</pre>
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