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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<title>AbstractBlob (Carbonado 1.2.3 API)</title>
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<h2 title="Class AbstractBlob" class="title">Class AbstractBlob</h2>
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<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li>com.amazon.carbonado.lob.AbstractBlob</li>
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<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../com/amazon/carbonado/lob/Blob.html" title="interface in com.amazon.carbonado.lob">Blob</a>, <a href="../../../../com/amazon/carbonado/lob/Lob.html" title="interface in com.amazon.carbonado.lob">Lob</a></dd>
</dl>
<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../com/amazon/carbonado/lob/ByteArrayBlob.html" title="class in com.amazon.carbonado.lob">ByteArrayBlob</a>, <a href="../../../../com/amazon/carbonado/lob/FileBlob.html" title="class in com.amazon.carbonado.lob">FileBlob</a></dd>
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<pre>public abstract class <span class="strong">AbstractBlob</span>
extends java.lang.Object
implements <a href="../../../../com/amazon/carbonado/lob/Blob.html" title="interface in com.amazon.carbonado.lob">Blob</a></pre>
<div class="block">AbstractBlob implements a small set of common Blob methods.</div>
<dl><dt><span class="strong">Author:</span></dt>
  <dd>Brian S O'Neill</dd></dl>
</li>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier</th>
<th class="colLast" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/lob/AbstractBlob.html#AbstractBlob()">AbstractBlob</a></strong>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/lob/AbstractBlob.html#AbstractBlob(com.amazon.carbonado.Repository)">AbstractBlob</a></strong>(<a href="../../../../com/amazon/carbonado/Repository.html" title="interface in com.amazon.carbonado">Repository</a>&nbsp;repo)</code>
<div class="block">Use of this constructor indicates that setValue should operate within a
 transaction.</div>
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<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/lob/AbstractBlob.html#asString()">asString</a></strong>()</code>
<div class="block">Convenience method to capture all the Blob data as a single String,
 assuming UTF-8 encoding.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/lob/AbstractBlob.html#asString(java.nio.charset.Charset)">asString</a></strong>(java.nio.charset.Charset&nbsp;charset)</code>
<div class="block">Convenience method to capture all the Blob data as a single String,
 decoded against the given charset.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/lob/AbstractBlob.html#asString(java.lang.String)">asString</a></strong>(java.lang.String&nbsp;charsetName)</code>
<div class="block">Convenience method to capture all the Blob data as a single String,
 decoded against the given charset.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/lob/AbstractBlob.html#equals(java.lang.Object)">equals</a></strong>(java.lang.Object&nbsp;obj)</code>
<div class="block">Two Lobs are considered equal if the object instances are the same or if
 they point to the same content.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/lob/AbstractBlob.html#hashCode()">hashCode</a></strong>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/lob/AbstractBlob.html#setValue(java.lang.String)">setValue</a></strong>(java.lang.String&nbsp;value)</code>
<div class="block">Convenience method to overwrite all Blob data with the value of a single
 String, applying UTF-8 encoding.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/lob/AbstractBlob.html#setValue(java.lang.String, java.nio.charset.Charset)">setValue</a></strong>(java.lang.String&nbsp;value,
        java.nio.charset.Charset&nbsp;charset)</code>
<div class="block">Convenience method to overwrite all Blob data with the value of a single
 String, applying the given charset encoding.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/lob/AbstractBlob.html#setValue(java.lang.String, java.lang.String)">setValue</a></strong>(java.lang.String&nbsp;value,
        java.lang.String&nbsp;charsetName)</code>
<div class="block">Convenience method to overwrite all Blob data with the value of a single
 String, applying the given charset encoding.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/lob/AbstractBlob.html#toString()">toString</a></strong>()</code>&nbsp;</td>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, finalize, getClass, notify, notifyAll, wait, wait, wait</code></li>
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<h3>Methods inherited from interface&nbsp;com.amazon.carbonado.lob.<a href="../../../../com/amazon/carbonado/lob/Blob.html" title="interface in com.amazon.carbonado.lob">Blob</a></h3>
<code><a href="../../../../com/amazon/carbonado/lob/Blob.html#getLength()">getLength</a>, <a href="../../../../com/amazon/carbonado/lob/Blob.html#openInputStream()">openInputStream</a>, <a href="../../../../com/amazon/carbonado/lob/Blob.html#openInputStream(long)">openInputStream</a>, <a href="../../../../com/amazon/carbonado/lob/Blob.html#openInputStream(long, int)">openInputStream</a>, <a href="../../../../com/amazon/carbonado/lob/Blob.html#openOutputStream()">openOutputStream</a>, <a href="../../../../com/amazon/carbonado/lob/Blob.html#openOutputStream(long)">openOutputStream</a>, <a href="../../../../com/amazon/carbonado/lob/Blob.html#openOutputStream(long, int)">openOutputStream</a>, <a href="../../../../com/amazon/carbonado/lob/Blob.html#setLength(long)">setLength</a></code></li>
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<h3>Methods inherited from interface&nbsp;com.amazon.carbonado.lob.<a href="../../../../com/amazon/carbonado/lob/Lob.html" title="interface in com.amazon.carbonado.lob">Lob</a></h3>
<code><a href="../../../../com/amazon/carbonado/lob/Lob.html#getLocator()">getLocator</a></code></li>
</ul>
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<h3>Constructor Detail</h3>
<a name="AbstractBlob()">
<!--   -->
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<h4>AbstractBlob</h4>
<pre>protected&nbsp;AbstractBlob()</pre>
</li>
</ul>
<a name="AbstractBlob(com.amazon.carbonado.Repository)">
<!--   -->
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<h4>AbstractBlob</h4>
<pre>protected&nbsp;AbstractBlob(<a href="../../../../com/amazon/carbonado/Repository.html" title="interface in com.amazon.carbonado">Repository</a>&nbsp;repo)</pre>
<div class="block">Use of this constructor indicates that setValue should operate within a
 transaction. A Repository is passed in for entering the transaction.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>repo</code> - optional repository to use for performing string conversion
 within transactions</dd></dl>
</li>
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<h4>asString</h4>
<pre>public&nbsp;java.lang.String&nbsp;asString()
                          throws <a href="../../../../com/amazon/carbonado/FetchException.html" title="class in com.amazon.carbonado">FetchException</a></pre>
<div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../com/amazon/carbonado/lob/Blob.html#asString()">Blob</a></code></strong></div>
<div class="block">Convenience method to capture all the Blob data as a single String,
 assuming UTF-8 encoding. Call within a transaction scope to ensure the
 data does not change while the String is being built.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../com/amazon/carbonado/lob/Blob.html#asString()">asString</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../com/amazon/carbonado/lob/Blob.html" title="interface in com.amazon.carbonado.lob">Blob</a></code></dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../com/amazon/carbonado/FetchException.html" title="class in com.amazon.carbonado">FetchException</a></code></dd></dl>
</li>
</ul>
<a name="asString(java.lang.String)">
<!--   -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>asString</h4>
<pre>public&nbsp;java.lang.String&nbsp;asString(java.lang.String&nbsp;charsetName)
                          throws <a href="../../../../com/amazon/carbonado/FetchException.html" title="class in com.amazon.carbonado">FetchException</a></pre>
<div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../com/amazon/carbonado/lob/Blob.html#asString(java.lang.String)">Blob</a></code></strong></div>
<div class="block">Convenience method to capture all the Blob data as a single String,
 decoded against the given charset. Call within a transaction scope to
 ensure the data does not change while the String is being built.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../com/amazon/carbonado/lob/Blob.html#asString(java.lang.String)">asString</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../com/amazon/carbonado/lob/Blob.html" title="interface in com.amazon.carbonado.lob">Blob</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>charsetName</code> - name of character set to decode String</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../com/amazon/carbonado/FetchException.html" title="class in com.amazon.carbonado">FetchException</a></code></dd></dl>
</li>
</ul>
<a name="asString(java.nio.charset.Charset)">
<!--   -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>asString</h4>
<pre>public&nbsp;java.lang.String&nbsp;asString(java.nio.charset.Charset&nbsp;charset)
                          throws <a href="../../../../com/amazon/carbonado/FetchException.html" title="class in com.amazon.carbonado">FetchException</a></pre>
<div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../com/amazon/carbonado/lob/Blob.html#asString(java.nio.charset.Charset)">Blob</a></code></strong></div>
<div class="block">Convenience method to capture all the Blob data as a single String,
 decoded against the given charset. Call within a transaction scope to
 ensure the data does not change while the String is being built.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../com/amazon/carbonado/lob/Blob.html#asString(java.nio.charset.Charset)">asString</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../com/amazon/carbonado/lob/Blob.html" title="interface in com.amazon.carbonado.lob">Blob</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>charset</code> - character set to decode String</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../com/amazon/carbonado/FetchException.html" title="class in com.amazon.carbonado">FetchException</a></code></dd></dl>
</li>
</ul>
<a name="setValue(java.lang.String)">
<!--   -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>setValue</h4>
<pre>public&nbsp;void&nbsp;setValue(java.lang.String&nbsp;value)
              throws <a href="../../../../com/amazon/carbonado/PersistException.html" title="class in com.amazon.carbonado">PersistException</a></pre>
<div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../com/amazon/carbonado/lob/Blob.html#setValue(java.lang.String)">Blob</a></code></strong></div>
<div class="block">Convenience method to overwrite all Blob data with the value of a single
 String, applying UTF-8 encoding. The Blob length may grow or shrink, to
 match the encoded String value. Call within a transaction scope to
 ensure the data and length does not change while the value is set.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../com/amazon/carbonado/lob/Blob.html#setValue(java.lang.String)">setValue</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../com/amazon/carbonado/lob/Blob.html" title="interface in com.amazon.carbonado.lob">Blob</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>value</code> - Blob is overwritten with this value</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../com/amazon/carbonado/PersistException.html" title="class in com.amazon.carbonado">PersistException</a></code></dd></dl>
</li>
</ul>
<a name="setValue(java.lang.String, java.lang.String)">
<!--   -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>setValue</h4>
<pre>public&nbsp;void&nbsp;setValue(java.lang.String&nbsp;value,
            java.lang.String&nbsp;charsetName)
              throws <a href="../../../../com/amazon/carbonado/PersistException.html" title="class in com.amazon.carbonado">PersistException</a></pre>
<div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../com/amazon/carbonado/lob/Blob.html#setValue(java.lang.String, java.lang.String)">Blob</a></code></strong></div>
<div class="block">Convenience method to overwrite all Blob data with the value of a single
 String, applying the given charset encoding. The Blob length may grow or
 shrink, to match the encoded String value. Call within a transaction
 scope to ensure the data and length does not change while the value is
 set.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../com/amazon/carbonado/lob/Blob.html#setValue(java.lang.String, java.lang.String)">setValue</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../com/amazon/carbonado/lob/Blob.html" title="interface in com.amazon.carbonado.lob">Blob</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>value</code> - Blob is overwritten with this value</dd><dd><code>charsetName</code> - name of character set to encode String</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../com/amazon/carbonado/PersistException.html" title="class in com.amazon.carbonado">PersistException</a></code></dd></dl>
</li>
</ul>
<a name="setValue(java.lang.String, java.nio.charset.Charset)">
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<ul class="blockList">
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<h4>setValue</h4>
<pre>public&nbsp;void&nbsp;setValue(java.lang.String&nbsp;value,
            java.nio.charset.Charset&nbsp;charset)
              throws <a href="../../../../com/amazon/carbonado/PersistException.html" title="class in com.amazon.carbonado">PersistException</a></pre>
<div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../com/amazon/carbonado/lob/Blob.html#setValue(java.lang.String, java.nio.charset.Charset)">Blob</a></code></strong></div>
<div class="block">Convenience method to overwrite all Blob data with the value of a single
 String, applying the given charset encoding. The Blob length may grow or
 shrink, to match the encoded String value. Call within a transaction
 scope to ensure the data and length does not change while the value is
 set.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../com/amazon/carbonado/lob/Blob.html#setValue(java.lang.String, java.nio.charset.Charset)">setValue</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../com/amazon/carbonado/lob/Blob.html" title="interface in com.amazon.carbonado.lob">Blob</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>value</code> - Blob is overwritten with this value</dd><dd><code>charset</code> - character set to encode String</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../com/amazon/carbonado/PersistException.html" title="class in com.amazon.carbonado">PersistException</a></code></dd></dl>
</li>
</ul>
<a name="hashCode()">
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<ul class="blockList">
<li class="blockList">
<h4>hashCode</h4>
<pre>public&nbsp;int&nbsp;hashCode()</pre>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code>hashCode</code>&nbsp;in class&nbsp;<code>java.lang.Object</code></dd>
</dl>
</li>
</ul>
<a name="equals(java.lang.Object)">
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<h4>equals</h4>
<pre>public&nbsp;boolean&nbsp;equals(java.lang.Object&nbsp;obj)</pre>
<div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../com/amazon/carbonado/lob/Lob.html#equals(java.lang.Object)">Lob</a></code></strong></div>
<div class="block">Two Lobs are considered equal if the object instances are the same or if
 they point to the same content. Lob data is not compared, as that would
 be expensive or it may result in a fetch exception.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../com/amazon/carbonado/lob/Lob.html#equals(java.lang.Object)">equals</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../com/amazon/carbonado/lob/Lob.html" title="interface in com.amazon.carbonado.lob">Lob</a></code></dd>
<dt><strong>Overrides:</strong></dt>
<dd><code>equals</code>&nbsp;in class&nbsp;<code>java.lang.Object</code></dd>
</dl>
</li>
</ul>
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<h4>toString</h4>
<pre>public&nbsp;java.lang.String&nbsp;toString()</pre>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code>toString</code>&nbsp;in class&nbsp;<code>java.lang.Object</code></dd>
</dl>
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