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<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.hadoop.hbase.util</a></div>
<h1 title="Class UnsafeAccess" class="title">Class UnsafeAccess</h1>
</div>
<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
<div class="inheritance">org.apache.hadoop.hbase.util.UnsafeAccess</div>
</div>
<section class="class-description" id="class-description">
<hr>
<div class="type-signature"><span class="annotations">@Private
@Evolving
</span><span class="modifiers">public final class </span><span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-28">UnsafeAccess</a></span>
<span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></span></div>
</section>
<section class="summary">
<ul class="summary-list">
<!-- =========== FIELD SUMMARY =========== -->
<li>
<section class="field-summary" id="field-summary">
<h2>Field Summary</h2>
<div class="caption"><span>Fields</span></div>
<div class="summary-table three-column-summary">
<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Field</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color"><code>static final long</code></div>
<div class="col-second even-row-color"><code><a href="#BYTE_ARRAY_BASE_OFFSET" class="member-name-link">BYTE_ARRAY_BASE_OFFSET</a></code></div>
<div class="col-last even-row-color">
<div class="block">The offset to the first element in a byte array.</div>
</div>
<div class="col-first odd-row-color"><code>static final boolean</code></div>
<div class="col-second odd-row-color"><code><a href="#LITTLE_ENDIAN" class="member-name-link">LITTLE_ENDIAN</a></code></div>
<div class="col-last odd-row-color">&nbsp;</div>
<div class="col-first even-row-color"><code>(package private) static final long</code></div>
<div class="col-second even-row-color"><code><a href="#UNSAFE_COPY_THRESHOLD" class="member-name-link">UNSAFE_COPY_THRESHOLD</a></code></div>
<div class="col-last even-row-color">&nbsp;</div>
</div>
</section>
</li>
<!-- ======== 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 three-column-summary">
<div class="table-header col-first">Modifier</div>
<div class="table-header col-second">Constructor</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color"><code>private </code></div>
<div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E()" class="member-name-link">UnsafeAccess</a>()</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-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static 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-tab1 method-summary-table-tab4"><code>static void</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#copy(byte%5B%5D,int,java.nio.ByteBuffer,int,int)" class="member-name-link">copy</a><wbr>(byte[]&nbsp;src,
int&nbsp;srcOffset,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;dest,
int&nbsp;destOffset,
int&nbsp;length)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Copies the bytes from given array's offset to length part into the given buffer.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#copy(java.nio.ByteBuffer,int,byte%5B%5D,int,int)" class="member-name-link">copy</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;src,
int&nbsp;srcOffset,
byte[]&nbsp;dest,
int&nbsp;destOffset,
int&nbsp;length)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Copies specified number of bytes from given offset of <code>src</code> ByteBuffer to the
<code>dest</code> array.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#copy(java.nio.ByteBuffer,int,java.nio.ByteBuffer,int,int)" class="member-name-link">copy</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;src,
int&nbsp;srcOffset,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;dest,
int&nbsp;destOffset,
int&nbsp;length)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Copies specified number of bytes from given offset of <code>src</code> buffer into the <code>dest</code>
buffer.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static long</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#directBufferAddress(java.nio.ByteBuffer)" class="member-name-link">directBufferAddress</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;buf)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#freeDirectBuffer(java.nio.ByteBuffer)" class="member-name-link">freeDirectBuffer</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;buffer)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>private static int</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#getAsInt(java.nio.ByteBuffer,int)" class="member-name-link">getAsInt</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;buf,
int&nbsp;offset)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Reads bytes at the given offset as an int value.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>private static long</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#getAsLong(java.nio.ByteBuffer,int)" class="member-name-link">getAsLong</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;buf,
int&nbsp;offset)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Reads bytes at the given offset as a long value.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>private static short</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#getAsShort(java.nio.ByteBuffer,int)" class="member-name-link">getAsShort</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;buf,
int&nbsp;offset)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Reads bytes at the given offset as a short value.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static int</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#putByte(java.nio.ByteBuffer,int,byte)" class="member-name-link">putByte</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;buf,
int&nbsp;offset,
byte&nbsp;b)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Put a byte value out to the specified BB position in big-endian format.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static int</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#putInt(byte%5B%5D,int,int)" class="member-name-link">putInt</a><wbr>(byte[]&nbsp;bytes,
int&nbsp;offset,
int&nbsp;val)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Put an int value out to the specified byte array position in big-endian format.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static int</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#putInt(java.nio.ByteBuffer,int,int)" class="member-name-link">putInt</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;buf,
int&nbsp;offset,
int&nbsp;val)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Put an int value out to the specified ByteBuffer offset in big-endian format.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static int</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#putLong(byte%5B%5D,int,long)" class="member-name-link">putLong</a><wbr>(byte[]&nbsp;bytes,
int&nbsp;offset,
long&nbsp;val)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Put a long value out to the specified byte array position in big-endian format.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static int</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#putLong(java.nio.ByteBuffer,int,long)" class="member-name-link">putLong</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;buf,
int&nbsp;offset,
long&nbsp;val)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Put a long value out to the specified BB position in big-endian format.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static int</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#putShort(byte%5B%5D,int,short)" class="member-name-link">putShort</a><wbr>(byte[]&nbsp;bytes,
int&nbsp;offset,
short&nbsp;val)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Put a short value out to the specified byte array position in big-endian format.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static int</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#putShort(java.nio.ByteBuffer,int,short)" class="member-name-link">putShort</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;buf,
int&nbsp;offset,
short&nbsp;val)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Put a short value out to the specified BB position in big-endian format.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static byte</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#toByte(java.lang.Object,long)" class="member-name-link">toByte</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>&nbsp;ref,
long&nbsp;offset)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Returns the byte at the given offset of the object</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static byte</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#toByte(java.nio.ByteBuffer,int)" class="member-name-link">toByte</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;buf,
int&nbsp;offset)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Returns the byte at the given offset</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static int</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#toInt(byte%5B%5D,int)" class="member-name-link">toInt</a><wbr>(byte[]&nbsp;bytes,
int&nbsp;offset)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Converts a byte array to an int value considering it was written in big-endian format.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static int</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#toInt(java.lang.Object,long)" class="member-name-link">toInt</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>&nbsp;ref,
long&nbsp;offset)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Reads a int value at the given Object's offset considering it was written in big-endian format.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static int</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#toInt(java.nio.ByteBuffer,int)" class="member-name-link">toInt</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;buf,
int&nbsp;offset)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Reads an int value at the given buffer's offset considering it was written in big-endian
format.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static long</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#toLong(byte%5B%5D,int)" class="member-name-link">toLong</a><wbr>(byte[]&nbsp;bytes,
int&nbsp;offset)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Converts a byte array to a long value considering it was written in big-endian format.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static long</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#toLong(java.lang.Object,long)" class="member-name-link">toLong</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>&nbsp;ref,
long&nbsp;offset)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Reads a long value at the given Object's offset considering it was written in big-endian
format.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static long</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#toLong(java.nio.ByteBuffer,int)" class="member-name-link">toLong</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;buf,
int&nbsp;offset)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Reads a long value at the given buffer's offset considering it was written in big-endian
format.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static short</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#toShort(byte%5B%5D,int)" class="member-name-link">toShort</a><wbr>(byte[]&nbsp;bytes,
int&nbsp;offset)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Converts a byte array to a short value considering it was written in big-endian format.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static short</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#toShort(java.lang.Object,long)" class="member-name-link">toShort</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>&nbsp;ref,
long&nbsp;offset)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Reads a short value at the given Object's offset considering it was written in big-endian
format.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static short</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#toShort(java.nio.ByteBuffer,int)" class="member-name-link">toShort</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;buf,
int&nbsp;offset)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Reads a short value at the given buffer's offset considering it was written in big-endian
format.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>private static void</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#unsafeCopy(java.lang.Object,long,java.lang.Object,long,long)" class="member-name-link">unsafeCopy</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>&nbsp;src,
long&nbsp;srcAddr,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>&nbsp;dst,
long&nbsp;destAddr,
long&nbsp;len)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 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/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
<code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/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/en/java/javase/17/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
</section>
</li>
</ul>
</section>
<section class="details">
<ul class="details-list">
<!-- ============ FIELD DETAIL =========== -->
<li>
<section class="field-details" id="field-detail">
<h2>Field Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="BYTE_ARRAY_BASE_OFFSET">
<h3>BYTE_ARRAY_BASE_OFFSET</h3>
<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type">long</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-33">BYTE_ARRAY_BASE_OFFSET</a></span></div>
<div class="block">The offset to the first element in a byte array.</div>
</section>
</li>
<li>
<section class="detail" id="LITTLE_ENDIAN">
<h3>LITTLE_ENDIAN</h3>
<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-35">LITTLE_ENDIAN</a></span></div>
</section>
</li>
<li>
<section class="detail" id="UNSAFE_COPY_THRESHOLD">
<h3>UNSAFE_COPY_THRESHOLD</h3>
<div class="member-signature"><span class="modifiers">static final</span>&nbsp;<span class="return-type">long</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-41">UNSAFE_COPY_THRESHOLD</a></span></div>
<dl class="notes">
<dt>See Also:</dt>
<dd>
<ul class="see-list">
<li><a href="../../../../../constant-values.html#org.apache.hadoop.hbase.util.UnsafeAccess.UNSAFE_COPY_THRESHOLD">Constant Field Values</a></li>
</ul>
</dd>
</dl>
</section>
</li>
</ul>
</section>
</li>
<!-- ========= 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;()">
<h3>UnsafeAccess</h3>
<div class="member-signature"><span class="modifiers">private</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-50">UnsafeAccess</a></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="toShort(byte[],int)">
<h3>toShort</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">short</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-60">toShort</a></span><wbr><span class="parameters">(byte[]&nbsp;bytes,
int&nbsp;offset)</span></div>
<div class="block">Converts a byte array to a short value considering it was written in big-endian format.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>bytes</code> - byte array</dd>
<dd><code>offset</code> - offset into array</dd>
<dt>Returns:</dt>
<dd>the short value</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="toInt(byte[],int)">
<h3>toInt</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-75">toInt</a></span><wbr><span class="parameters">(byte[]&nbsp;bytes,
int&nbsp;offset)</span></div>
<div class="block">Converts a byte array to an int value considering it was written in big-endian format.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>bytes</code> - byte array</dd>
<dd><code>offset</code> - offset into array</dd>
<dt>Returns:</dt>
<dd>the int value</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="toLong(byte[],int)">
<h3>toLong</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">long</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-90">toLong</a></span><wbr><span class="parameters">(byte[]&nbsp;bytes,
int&nbsp;offset)</span></div>
<div class="block">Converts a byte array to a long value considering it was written in big-endian format.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>bytes</code> - byte array</dd>
<dd><code>offset</code> - offset into array</dd>
<dt>Returns:</dt>
<dd>the long value</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="putShort(byte[],int,short)">
<h3>putShort</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-107">putShort</a></span><wbr><span class="parameters">(byte[]&nbsp;bytes,
int&nbsp;offset,
short&nbsp;val)</span></div>
<div class="block">Put a short value out to the specified byte array position in big-endian format.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>bytes</code> - the byte array</dd>
<dd><code>offset</code> - position in the array</dd>
<dd><code>val</code> - short to write out</dd>
<dt>Returns:</dt>
<dd>incremented offset</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="putInt(byte[],int,int)">
<h3>putInt</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-122">putInt</a></span><wbr><span class="parameters">(byte[]&nbsp;bytes,
int&nbsp;offset,
int&nbsp;val)</span></div>
<div class="block">Put an int value out to the specified byte array position in big-endian format.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>bytes</code> - the byte array</dd>
<dd><code>offset</code> - position in the array</dd>
<dd><code>val</code> - int to write out</dd>
<dt>Returns:</dt>
<dd>incremented offset</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="putLong(byte[],int,long)">
<h3>putLong</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-137">putLong</a></span><wbr><span class="parameters">(byte[]&nbsp;bytes,
int&nbsp;offset,
long&nbsp;val)</span></div>
<div class="block">Put a long value out to the specified byte array position in big-endian format.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>bytes</code> - the byte array</dd>
<dd><code>offset</code> - position in the array</dd>
<dd><code>val</code> - long to write out</dd>
<dt>Returns:</dt>
<dd>incremented offset</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="toShort(java.nio.ByteBuffer,int)">
<h3>toShort</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">short</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-151">toShort</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;buf,
int&nbsp;offset)</span></div>
<div class="block">Reads a short value at the given buffer's offset considering it was written in big-endian
format.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>short value at offset</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="toShort(java.lang.Object,long)">
<h3>toShort</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">short</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-163">toShort</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>&nbsp;ref,
long&nbsp;offset)</span></div>
<div class="block">Reads a short value at the given Object's offset considering it was written in big-endian
format.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>short value at offset</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getAsShort(java.nio.ByteBuffer,int)">
<h3>getAsShort</h3>
<div class="member-signature"><span class="modifiers">private static</span>&nbsp;<span class="return-type">short</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-174">getAsShort</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;buf,
int&nbsp;offset)</span></div>
<div class="block">Reads bytes at the given offset as a short value.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>short value at offset</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="toInt(java.nio.ByteBuffer,int)">
<h3>toInt</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-187">toInt</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;buf,
int&nbsp;offset)</span></div>
<div class="block">Reads an int value at the given buffer's offset considering it was written in big-endian
format.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>int value at offset</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="toInt(java.lang.Object,long)">
<h3>toInt</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-198">toInt</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>&nbsp;ref,
long&nbsp;offset)</span></div>
<div class="block">Reads a int value at the given Object's offset considering it was written in big-endian format.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>int value at offset</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getAsInt(java.nio.ByteBuffer,int)">
<h3>getAsInt</h3>
<div class="member-signature"><span class="modifiers">private static</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-209">getAsInt</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;buf,
int&nbsp;offset)</span></div>
<div class="block">Reads bytes at the given offset as an int value.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>int value at offset</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="toLong(java.nio.ByteBuffer,int)">
<h3>toLong</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">long</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-222">toLong</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;buf,
int&nbsp;offset)</span></div>
<div class="block">Reads a long value at the given buffer's offset considering it was written in big-endian
format.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>long value at offset</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="toLong(java.lang.Object,long)">
<h3>toLong</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">long</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-234">toLong</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>&nbsp;ref,
long&nbsp;offset)</span></div>
<div class="block">Reads a long value at the given Object's offset considering it was written in big-endian
format.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>long value at offset</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getAsLong(java.nio.ByteBuffer,int)">
<h3>getAsLong</h3>
<div class="member-signature"><span class="modifiers">private static</span>&nbsp;<span class="return-type">long</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-245">getAsLong</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;buf,
int&nbsp;offset)</span></div>
<div class="block">Reads bytes at the given offset as a long value.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>long value at offset</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="toByte(java.nio.ByteBuffer,int)">
<h3>toByte</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">byte</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-259">toByte</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;buf,
int&nbsp;offset)</span></div>
<div class="block">Returns the byte at the given offset</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>buf</code> - the buffer to read</dd>
<dd><code>offset</code> - the offset at which the byte has to be read</dd>
<dt>Returns:</dt>
<dd>the byte at the given offset</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="toByte(java.lang.Object,long)">
<h3>toByte</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">byte</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-272">toByte</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>&nbsp;ref,
long&nbsp;offset)</span></div>
<div class="block">Returns the byte at the given offset of the object</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>the byte at the given offset</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="putInt(java.nio.ByteBuffer,int,int)">
<h3>putInt</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-283">putInt</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;buf,
int&nbsp;offset,
int&nbsp;val)</span></div>
<div class="block">Put an int value out to the specified ByteBuffer offset in big-endian format.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>buf</code> - the ByteBuffer to write to</dd>
<dd><code>offset</code> - offset in the ByteBuffer</dd>
<dd><code>val</code> - int to write out</dd>
<dt>Returns:</dt>
<dd>incremented offset</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="copy(byte[],int,java.nio.ByteBuffer,int,int)">
<h3>copy</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-305">copy</a></span><wbr><span class="parameters">(byte[]&nbsp;src,
int&nbsp;srcOffset,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;dest,
int&nbsp;destOffset,
int&nbsp;length)</span></div>
<div class="block">Copies the bytes from given array's offset to length part into the given buffer.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>src</code> - source array</dd>
<dd><code>srcOffset</code> - offset into source buffer</dd>
<dd><code>dest</code> - destination buffer</dd>
<dd><code>destOffset</code> - offset into destination buffer</dd>
<dd><code>length</code> - length of data to copy</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="unsafeCopy(java.lang.Object,long,java.lang.Object,long,long)">
<h3>unsafeCopy</h3>
<div class="member-signature"><span class="modifiers">private static</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-318">unsafeCopy</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>&nbsp;src,
long&nbsp;srcAddr,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>&nbsp;dst,
long&nbsp;destAddr,
long&nbsp;len)</span></div>
</section>
</li>
<li>
<section class="detail" id="copy(java.nio.ByteBuffer,int,byte[],int,int)">
<h3>copy</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-337">copy</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;src,
int&nbsp;srcOffset,
byte[]&nbsp;dest,
int&nbsp;destOffset,
int&nbsp;length)</span></div>
<div class="block">Copies specified number of bytes from given offset of <code>src</code> ByteBuffer to the
<code>dest</code> array.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>src</code> - source buffer</dd>
<dd><code>srcOffset</code> - offset into source buffer</dd>
<dd><code>dest</code> - destination array</dd>
<dd><code>destOffset</code> - offset into destination buffer</dd>
<dd><code>length</code> - length of data to copy</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="copy(java.nio.ByteBuffer,int,java.nio.ByteBuffer,int,int)">
<h3>copy</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-359">copy</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;src,
int&nbsp;srcOffset,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;dest,
int&nbsp;destOffset,
int&nbsp;length)</span></div>
<div class="block">Copies specified number of bytes from given offset of <code>src</code> buffer into the <code>dest</code>
buffer.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>src</code> - source buffer</dd>
<dd><code>srcOffset</code> - offset into source buffer</dd>
<dd><code>dest</code> - destination buffer</dd>
<dd><code>destOffset</code> - offset into destination buffer</dd>
<dd><code>length</code> - length of data to copy</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="putShort(java.nio.ByteBuffer,int,short)">
<h3>putShort</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-386">putShort</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;buf,
int&nbsp;offset,
short&nbsp;val)</span></div>
<div class="block">Put a short value out to the specified BB position in big-endian format.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>buf</code> - the byte buffer</dd>
<dd><code>offset</code> - position in the buffer</dd>
<dd><code>val</code> - short to write out</dd>
<dt>Returns:</dt>
<dd>incremented offset</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="putLong(java.nio.ByteBuffer,int,long)">
<h3>putLong</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-406">putLong</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;buf,
int&nbsp;offset,
long&nbsp;val)</span></div>
<div class="block">Put a long value out to the specified BB position in big-endian format.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>buf</code> - the byte buffer</dd>
<dd><code>offset</code> - position in the buffer</dd>
<dd><code>val</code> - long to write out</dd>
<dt>Returns:</dt>
<dd>incremented offset</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="putByte(java.nio.ByteBuffer,int,byte)">
<h3>putByte</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-426">putByte</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;buf,
int&nbsp;offset,
byte&nbsp;b)</span></div>
<div class="block">Put a byte value out to the specified BB position in big-endian format.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>buf</code> - the byte buffer</dd>
<dd><code>offset</code> - position in the buffer</dd>
<dd><code>b</code> - byte to write out</dd>
<dt>Returns:</dt>
<dd>incremented offset</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="directBufferAddress(java.nio.ByteBuffer)">
<h3>directBufferAddress</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">long</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-436">directBufferAddress</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;buf)</span></div>
</section>
</li>
<li>
<section class="detail" id="freeDirectBuffer(java.nio.ByteBuffer)">
<h3>freeDirectBuffer</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/util/UnsafeAccess.html#line-440">freeDirectBuffer</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&nbsp;buffer)</span></div>
</section>
</li>
</ul>
</section>
</li>
</ul>
</section>
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