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initial import
2019-06-25 20:12:40 +00:00
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<div class="subTitle">com.sleepycat.util</div>
<h2 title="Class FastOutputStream" class="title">Class FastOutputStream</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li>java.io.OutputStream</li>
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<ul class="inheritance">
<li>com.sleepycat.util.FastOutputStream</li>
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<dd><a href="../../../com/sleepycat/bind/tuple/TupleOutput.html" title="class in com.sleepycat.bind.tuple">TupleOutput</a></dd>
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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
class.</p></div>
<dl>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>Mark Hayes</dd>
</dl>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/sleepycat/util/FastOutputStream.html#DEFAULT_BUMP_SIZE">DEFAULT_BUMP_SIZE</a></span></code>
<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>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/sleepycat/util/FastOutputStream.html#DEFAULT_INIT_SIZE">DEFAULT_INIT_SIZE</a></span></code>
<div class="block">The default initial size of the buffer if no initialSize parameter is
specified.</div>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../com/sleepycat/util/FastOutputStream.html#FastOutputStream--">FastOutputStream</a></span>()</code>
<div class="block">Creates an output stream with default sizes.</div>
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<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../com/sleepycat/util/FastOutputStream.html#FastOutputStream-byte:A-">FastOutputStream</a></span>(byte[]&nbsp;buffer)</code>
<div class="block">Creates an output stream with a given initial buffer and a default
bump size.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../com/sleepycat/util/FastOutputStream.html#FastOutputStream-byte:A-int-">FastOutputStream</a></span>(byte[]&nbsp;buffer,
int&nbsp;bumpSize)</code>
<div class="block">Creates an output stream with a given initial buffer and a given
bump size.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../com/sleepycat/util/FastOutputStream.html#FastOutputStream-int-">FastOutputStream</a></span>(int&nbsp;initialSize)</code>
<div class="block">Creates an output stream with a default bump size and a given initial
size.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../com/sleepycat/util/FastOutputStream.html#FastOutputStream-int-int-">FastOutputStream</a></span>(int&nbsp;initialSize,
int&nbsp;bumpSize)</code>
<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>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/sleepycat/util/FastOutputStream.html#addSize-int-">addSize</a></span>(int&nbsp;sizeAdded)</code>
<div class="block">Skip the given number of bytes in the buffer.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/sleepycat/util/FastOutputStream.html#getBufferBytes--">getBufferBytes</a></span>()</code>
<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>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/sleepycat/util/FastOutputStream.html#getBufferLength--">getBufferLength</a></span>()</code>
<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>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/sleepycat/util/FastOutputStream.html#getBufferOffset--">getBufferOffset</a></span>()</code>
<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>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/sleepycat/util/FastOutputStream.html#makeSpace-int-">makeSpace</a></span>(int&nbsp;sizeNeeded)</code>
<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>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/sleepycat/util/FastOutputStream.html#reset--">reset</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/sleepycat/util/FastOutputStream.html#size--">size</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/sleepycat/util/FastOutputStream.html#toByteArray--">toByteArray</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/sleepycat/util/FastOutputStream.html#toString--">toString</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/sleepycat/util/FastOutputStream.html#toString-java.lang.String-">toString</a></span>(java.lang.String&nbsp;encoding)</code>&nbsp;</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/sleepycat/util/FastOutputStream.html#write-byte:A-">write</a></span>(byte[]&nbsp;fromBuf)</code>&nbsp;</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/sleepycat/util/FastOutputStream.html#write-byte:A-int-int-">write</a></span>(byte[]&nbsp;fromBuf,
int&nbsp;offset,
int&nbsp;length)</code>&nbsp;</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/sleepycat/util/FastOutputStream.html#write-int-">write</a></span>(int&nbsp;b)</code>&nbsp;</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/sleepycat/util/FastOutputStream.html#writeFast-byte:A-">writeFast</a></span>(byte[]&nbsp;fromBuf)</code>
<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>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/sleepycat/util/FastOutputStream.html#writeFast-byte:A-int-int-">writeFast</a></span>(byte[]&nbsp;fromBuf,
int&nbsp;offset,
int&nbsp;length)</code>
<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>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/sleepycat/util/FastOutputStream.html#writeFast-int-">writeFast</a></span>(int&nbsp;b)</code>
<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>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/sleepycat/util/FastOutputStream.html#writeTo-java.io.OutputStream-">writeTo</a></span>(java.io.OutputStream&nbsp;out)</code>&nbsp;</td>
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<h3>Methods inherited from class&nbsp;java.io.OutputStream</h3>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
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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>
<dl>
<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
constant is zero, which means to double the current buffer size.</div>
<dl>
<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>
<div class="block">Creates an output stream with default sizes.</div>
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<h4>FastOutputStream</h4>
<pre>public&nbsp;FastOutputStream(int&nbsp;initialSize)</pre>
<div class="block">Creates an output stream with a default bump size and a given initial
size.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>initialSize</code> - the initial size of the buffer.</dd>
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<h4>FastOutputStream</h4>
<pre>public&nbsp;FastOutputStream(int&nbsp;initialSize,
int&nbsp;bumpSize)</pre>
<div class="block">Creates an output stream with a given bump size and initial size.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>initialSize</code> - the initial size of the buffer.</dd>
<dd><code>bumpSize</code> - the amount to increment the buffer.</dd>
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<h4>FastOutputStream</h4>
<pre>public&nbsp;FastOutputStream(byte[]&nbsp;buffer)</pre>
<div class="block">Creates an output stream with a given initial buffer and a default
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>FastOutputStream</h4>
<pre>public&nbsp;FastOutputStream(byte[]&nbsp;buffer,
int&nbsp;bumpSize)</pre>
<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>
<dd><code>bumpSize</code> - the amount to increment the buffer. If zero (the
default), the current buffer size will be doubled when the buffer is
full.</dd>
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<h4>size</h4>
<pre>public&nbsp;int&nbsp;size()</pre>
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<pre>public&nbsp;void&nbsp;reset()</pre>
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<h4>write</h4>
<pre>public&nbsp;void&nbsp;write(int&nbsp;b)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>write</code>&nbsp;in class&nbsp;<code>java.io.OutputStream</code></dd>
</dl>
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<h4>write</h4>
<pre>public&nbsp;void&nbsp;write(byte[]&nbsp;fromBuf)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>write</code>&nbsp;in class&nbsp;<code>java.io.OutputStream</code></dd>
</dl>
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<h4>write</h4>
<pre>public&nbsp;void&nbsp;write(byte[]&nbsp;fromBuf,
int&nbsp;offset,
int&nbsp;length)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>write</code>&nbsp;in class&nbsp;<code>java.io.OutputStream</code></dd>
</dl>
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<h4>writeTo</h4>
<pre>public&nbsp;void&nbsp;writeTo(java.io.OutputStream&nbsp;out)
throws java.io.IOException</pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd>
</dl>
</li>
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<a name="toString--">
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<h4>toString</h4>
<pre>public&nbsp;java.lang.String&nbsp;toString()</pre>
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<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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<pre>public&nbsp;java.lang.String&nbsp;toString(java.lang.String&nbsp;encoding)
throws java.io.UnsupportedEncodingException</pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.io.UnsupportedEncodingException</code></dd>
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<pre>public&nbsp;byte[]&nbsp;toByteArray()</pre>
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<h4>writeFast</h4>
<pre>public final&nbsp;void&nbsp;writeFast(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="../../../com/sleepycat/util/FastOutputStream.html#write-int-"><code>write(int)</code></a></dd>
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<pre>public final&nbsp;void&nbsp;writeFast(byte[]&nbsp;fromBuf)</pre>
<div class="block">Equivalent to <code>write(byte[])</code> but does not throw
<code>IOException</code>.</div>
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<pre>public final&nbsp;void&nbsp;writeFast(byte[]&nbsp;fromBuf,
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<div class="block">Equivalent to <code>write(byte[],int,int)</code> but does not throw
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<dd><a href="../../../com/sleepycat/util/FastOutputStream.html#write-byte:A-int-int-"><code>write(byte[],int,int)</code></a></dd>
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<pre>public&nbsp;byte[]&nbsp;getBufferBytes()</pre>
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<pre>public&nbsp;int&nbsp;getBufferOffset()</pre>
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<pre>public&nbsp;void&nbsp;makeSpace(int&nbsp;sizeNeeded)</pre>
<div class="block">Ensure that at least the given number of bytes are available in the
internal buffer.</div>
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<pre>public&nbsp;void&nbsp;addSize(int&nbsp;sizeAdded)</pre>
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