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<div class="subTitle">com.amazon.carbonado.cursor</div>
<h2 title="Class FetchAheadCursor" class="title">Class FetchAheadCursor<S></h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
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<li><a href="../../../../com/amazon/carbonado/cursor/AbstractCursor.html" title="class in com.amazon.carbonado.cursor">com.amazon.carbonado.cursor.AbstractCursor</a><S></li>
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<pre>public class <span class="strong">FetchAheadCursor<S></span>
extends <a href="../../../../com/amazon/carbonado/cursor/AbstractCursor.html" title="class in com.amazon.carbonado.cursor">AbstractCursor</a><S></pre>
<div class="block">Cursor implementation which fetches records in advance, in order to release locks.</div>
<dl><dt><span class="strong">Author:</span></dt>
<dd>Brian S O'Neill</dd></dl>
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<td class="colOne"><code><strong><a href="../../../../com/amazon/carbonado/cursor/FetchAheadCursor.html#FetchAheadCursor(com.amazon.carbonado.Cursor, int)">FetchAheadCursor</a></strong>(<a href="../../../../com/amazon/carbonado/Cursor.html" title="interface in com.amazon.carbonado">Cursor</a><<a href="../../../../com/amazon/carbonado/cursor/FetchAheadCursor.html" title="type parameter in FetchAheadCursor">S</a>> source,
int fetchAhead)</code> </td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/cursor/FetchAheadCursor.html#close()">close</a></strong>()</code>
<div class="block">Call close to release any resources being held by this cursor.</div>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/cursor/FetchAheadCursor.html#hasNext()">hasNext</a></strong>()</code>
<div class="block">Returns true if this cursor has more elements.</div>
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<td class="colFirst"><code><a href="../../../../com/amazon/carbonado/cursor/FetchAheadCursor.html" title="type parameter in FetchAheadCursor">S</a></code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/cursor/FetchAheadCursor.html#next()">next</a></strong>()</code>
<div class="block">Returns the next element from this cursor.</div>
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<h3>Methods inherited from class com.amazon.carbonado.cursor.<a href="../../../../com/amazon/carbonado/cursor/AbstractCursor.html" title="class in com.amazon.carbonado.cursor">AbstractCursor</a></h3>
<code><a href="../../../../com/amazon/carbonado/cursor/AbstractCursor.html#copyInto(java.util.Collection)">copyInto</a>, <a href="../../../../com/amazon/carbonado/cursor/AbstractCursor.html#copyInto(java.util.Collection, int)">copyInto</a>, <a href="../../../../com/amazon/carbonado/cursor/AbstractCursor.html#skipNext(int)">skipNext</a>, <a href="../../../../com/amazon/carbonado/cursor/AbstractCursor.html#toList()">toList</a>, <a href="../../../../com/amazon/carbonado/cursor/AbstractCursor.html#toList(int)">toList</a></code></li>
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<h4>FetchAheadCursor</h4>
<pre>public FetchAheadCursor(<a href="../../../../com/amazon/carbonado/Cursor.html" title="interface in com.amazon.carbonado">Cursor</a><<a href="../../../../com/amazon/carbonado/cursor/FetchAheadCursor.html" title="type parameter in FetchAheadCursor">S</a>> source,
int fetchAhead)</pre>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>fetchAhead</code> - how much to fetch ahead from source</dd></dl>
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<h4>close</h4>
<pre>public void close()
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: <code><a href="../../../../com/amazon/carbonado/Cursor.html#close()">Cursor</a></code></strong></div>
<div class="block">Call close to release any resources being held by this cursor. Further
operations on this cursor will behave as if there are no results.</div>
<dl><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>
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<h4>hasNext</h4>
<pre>public boolean hasNext()
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: <code><a href="../../../../com/amazon/carbonado/Cursor.html#hasNext()">Cursor</a></code></strong></div>
<div class="block">Returns true if this cursor has more elements. In other words, returns
true if <a href="../../../../com/amazon/carbonado/Cursor.html#next()"><code>next</code></a> would return an element rather than throwing
an exception.</div>
<dl><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> - if storage layer throws an exception</dd></dl>
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<pre>public <a href="../../../../com/amazon/carbonado/cursor/FetchAheadCursor.html" title="type parameter in FetchAheadCursor">S</a> next()
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: <code><a href="../../../../com/amazon/carbonado/Cursor.html#next()">Cursor</a></code></strong></div>
<div class="block">Returns the next element from this cursor. This method may be called
repeatedly to iterate through the results.</div>
<dl><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> - if storage layer throws an exception</dd></dl>
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