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<h2 title="Class FastOutputStream" class="title">Class FastOutputStream</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
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<ul class="inheritance">
<li>java.io.OutputStream</li>
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<li>com.sleepycat.util.FastOutputStream</li>
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<pre>public class <span class="typeNameLabel">FastOutputStream</span>
extends java.io.OutputStream</pre>
<div class="block">A replacement for ByteArrayOutputStream that does not synchronize every
byte read.
<p>This class extends <code>OutputStream</code> and its <code>write()</code>
methods allow it to be used as a standard output stream. In addition, it
provides <code>writeFast()</code> methods that are not declared to throw
<code>IOException</code>. <code>IOException</code> is never thrown by this
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Field</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#DEFAULT_BUMP_SIZE">DEFAULT_BUMP_SIZE</a></span></code></th>
<td class="colLast">
<div class="block">The default amount that the buffer is increased when it is full.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#DEFAULT_INIT_SIZE">DEFAULT_INIT_SIZE</a></span></code></th>
<td class="colLast">
<div class="block">The default initial size of the buffer if no initialSize parameter is
specified.</div>
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<th class="colFirst" scope="col">Constructor</th>
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<tr class="altColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#FastOutputStream--">FastOutputStream</a></span>()</code></th>
<td class="colLast">
<div class="block">Creates an output stream with default sizes.</div>
</td>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#FastOutputStream-byte:A-">FastOutputStream</a></span>&#8203;(byte[]&nbsp;buffer)</code></th>
<td class="colLast">
<div class="block">Creates an output stream with a given initial buffer and a default
bump size.</div>
</td>
</tr>
<tr class="altColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#FastOutputStream-byte:A-int-">FastOutputStream</a></span>&#8203;(byte[]&nbsp;buffer,
int&nbsp;bumpSize)</code></th>
<td class="colLast">
<div class="block">Creates an output stream with a given initial buffer and a given
bump size.</div>
</td>
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<tr class="rowColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#FastOutputStream-int-">FastOutputStream</a></span>&#8203;(int&nbsp;initialSize)</code></th>
<td class="colLast">
<div class="block">Creates an output stream with a default bump size and a given initial
size.</div>
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<tr class="altColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#FastOutputStream-int-int-">FastOutputStream</a></span>&#8203;(int&nbsp;initialSize,
int&nbsp;bumpSize)</code></th>
<td class="colLast">
<div class="block">Creates an output stream with a given bump size and initial size.</div>
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<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#addSize-int-">addSize</a></span>&#8203;(int&nbsp;sizeAdded)</code></th>
<td class="colLast">
<div class="block">Skip the given number of bytes in the buffer.</div>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code>byte[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getBufferBytes--">getBufferBytes</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the buffer owned by this object.</div>
</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="#getBufferLength--">getBufferLength</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the length used in the internal buffer, i.e., the offset at
which data will be written next.</div>
</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="#getBufferOffset--">getBufferOffset</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the offset of the internal buffer.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#makeSpace-int-">makeSpace</a></span>&#8203;(int&nbsp;sizeNeeded)</code></th>
<td class="colLast">
<div class="block">Ensure that at least the given number of bytes are available in the
internal buffer.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#reset--">reset</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#size--">size</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>byte[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toByteArray--">toByteArray</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toString--">toString</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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<tr id="i9" class="rowColor">
<td class="colFirst"><code>java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toString-java.lang.String-">toString</a></span>&#8203;(java.lang.String&nbsp;encoding)</code></th>
<td class="colLast">&nbsp;</td>
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<tr id="i10" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#write-byte:A-">write</a></span>&#8203;(byte[]&nbsp;fromBuf)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#write-byte:A-int-int-">write</a></span>&#8203;(byte[]&nbsp;fromBuf,
int&nbsp;offset,
int&nbsp;length)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#write-int-">write</a></span>&#8203;(int&nbsp;b)</code></th>
<td class="colLast">&nbsp;</td>
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<tr id="i13" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#writeFast-byte:A-">writeFast</a></span>&#8203;(byte[]&nbsp;fromBuf)</code></th>
<td class="colLast">
<div class="block">Equivalent to <code>write(byte[])</code> but does not throw
<code>IOException</code>.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#writeFast-byte:A-int-int-">writeFast</a></span>&#8203;(byte[]&nbsp;fromBuf,
int&nbsp;offset,
int&nbsp;length)</code></th>
<td class="colLast">
<div class="block">Equivalent to <code>write(byte[],int,int)</code> but does not throw
<code>IOException</code>.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#writeFast-int-">writeFast</a></span>&#8203;(int&nbsp;b)</code></th>
<td class="colLast">
<div class="block">Equivalent to <code>write(int)</code> but does not throw
<code>IOException</code>.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#writeTo-java.io.OutputStream-">writeTo</a></span>&#8203;(java.io.OutputStream&nbsp;out)</code></th>
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<h4>DEFAULT_INIT_SIZE</h4>
<pre>public static final&nbsp;int DEFAULT_INIT_SIZE</pre>
<div class="block">The default initial size of the buffer if no initialSize parameter is
specified. This constant is 100 bytes.</div>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../constant-values.html#com.sleepycat.util.FastOutputStream.DEFAULT_INIT_SIZE">Constant Field Values</a></dd>
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<h4>DEFAULT_BUMP_SIZE</h4>
<pre>public static final&nbsp;int DEFAULT_BUMP_SIZE</pre>
<div class="block">The default amount that the buffer is increased when it is full. This
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../constant-values.html#com.sleepycat.util.FastOutputStream.DEFAULT_BUMP_SIZE">Constant Field Values</a></dd>
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<h4>FastOutputStream</h4>
<pre>public&nbsp;FastOutputStream()</pre>
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<pre>public&nbsp;FastOutputStream&#8203;(int&nbsp;initialSize)</pre>
<div class="block">Creates an output stream with a default bump size and a given initial
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<dd><code>initialSize</code> - the initial size of the buffer.</dd>
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<h4>FastOutputStream</h4>
<pre>public&nbsp;FastOutputStream&#8203;(int&nbsp;initialSize,
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>bumpSize</code> - the amount to increment the buffer.</dd>
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<h4>FastOutputStream</h4>
<pre>public&nbsp;FastOutputStream&#8203;(byte[]&nbsp;buffer)</pre>
<div class="block">Creates an output stream with a given initial buffer and a default
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<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>buffer</code> - the initial buffer; will be owned by this object.</dd>
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<h4>FastOutputStream</h4>
<pre>public&nbsp;FastOutputStream&#8203;(byte[]&nbsp;buffer,
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<div class="block">Creates an output stream with a given initial buffer and a given
bump size.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>buffer</code> - the initial buffer; will be owned by this object.</dd>
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<h4>size</h4>
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<dd><code>write</code>&nbsp;in class&nbsp;<code>java.io.OutputStream</code></dd>
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<pre class="methodSignature">public&nbsp;void&nbsp;write&#8203;(byte[]&nbsp;fromBuf)</pre>
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<dd><code>write</code>&nbsp;in class&nbsp;<code>java.io.OutputStream</code></dd>
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<pre class="methodSignature">public&nbsp;void&nbsp;write&#8203;(byte[]&nbsp;fromBuf,
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<pre class="methodSignature">public&nbsp;void&nbsp;writeTo&#8203;(java.io.OutputStream&nbsp;out)
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<dt><span class="throwsLabel">Throws:</span></dt>
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<h4>toString</h4>
<pre class="methodSignature">public&nbsp;java.lang.String&nbsp;toString()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>toString</code>&nbsp;in class&nbsp;<code>java.lang.Object</code></dd>
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<h4>toString</h4>
<pre class="methodSignature">public&nbsp;java.lang.String&nbsp;toString&#8203;(java.lang.String&nbsp;encoding)
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<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.io.UnsupportedEncodingException</code></dd>
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<pre class="methodSignature">public&nbsp;byte[]&nbsp;toByteArray()</pre>
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<h4>writeFast</h4>
<pre class="methodSignature">public final&nbsp;void&nbsp;writeFast&#8203;(int&nbsp;b)</pre>
<div class="block">Equivalent to <code>write(int)</code> but does not throw
<code>IOException</code>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>b</code> - the byte to write.</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="#write-int-"><code>write(int)</code></a></dd>
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<pre class="methodSignature">public final&nbsp;void&nbsp;writeFast&#8203;(byte[]&nbsp;fromBuf)</pre>
<div class="block">Equivalent to <code>write(byte[])</code> but does not throw
<code>IOException</code>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>fromBuf</code> - the buffer to write.</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="#write-byte:A-"><code>write(byte[])</code></a></dd>
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<pre class="methodSignature">public final&nbsp;void&nbsp;writeFast&#8203;(byte[]&nbsp;fromBuf,
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<div class="block">Equivalent to <code>write(byte[],int,int)</code> but does not throw
<code>IOException</code>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>fromBuf</code> - the buffer to write.</dd>
<dd><code>offset</code> - the start offset in the buffer.</dd>
<dd><code>length</code> - the number of bytes to write.</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="#write-byte:A-int-int-"><code>write(byte[],int,int)</code></a></dd>
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<pre class="methodSignature">public&nbsp;byte[]&nbsp;getBufferBytes()</pre>
<div class="block">Returns the buffer owned by this object.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the buffer.</dd>
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<pre class="methodSignature">public&nbsp;int&nbsp;getBufferOffset()</pre>
<div class="block">Returns the offset of the internal buffer.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>always zero currently.</dd>
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<h4>getBufferLength</h4>
<pre class="methodSignature">public&nbsp;int&nbsp;getBufferLength()</pre>
<div class="block">Returns the length used in the internal buffer, i.e., the offset at
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<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the buffer length.</dd>
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<h4>makeSpace</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;makeSpace&#8203;(int&nbsp;sizeNeeded)</pre>
<div class="block">Ensure that at least the given number of bytes are available in the
internal buffer.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>sizeNeeded</code> - the number of bytes desired.</dd>
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<h4>addSize</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;addSize&#8203;(int&nbsp;sizeAdded)</pre>
<div class="block">Skip the given number of bytes in the buffer.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>sizeAdded</code> - number of bytes to skip.</dd>
</dl>
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