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<div class="subTitle">com.amazon.carbonado.qe</div>
<h2 title="Class AbstractQueryExecutor" class="title">Class AbstractQueryExecutor&lt;S extends <a href="../../../../com/amazon/carbonado/Storable.html" title="interface in com.amazon.carbonado">Storable</a>&gt;</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li>com.amazon.carbonado.qe.AbstractQueryExecutor&lt;S&gt;</li>
</ul>
</li>
</ul>
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<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../com/amazon/carbonado/qe/QueryExecutor.html" title="interface in com.amazon.carbonado.qe">QueryExecutor</a>&lt;S&gt;</dd>
</dl>
<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../com/amazon/carbonado/qe/FilteredQueryExecutor.html" title="class in com.amazon.carbonado.qe">FilteredQueryExecutor</a>, <a href="../../../../com/amazon/carbonado/qe/FullScanQueryExecutor.html" title="class in com.amazon.carbonado.qe">FullScanQueryExecutor</a>, <a href="../../../../com/amazon/carbonado/qe/IndexedQueryExecutor.html" title="class in com.amazon.carbonado.qe">IndexedQueryExecutor</a>, <a href="../../../../com/amazon/carbonado/qe/IterableQueryExecutor.html" title="class in com.amazon.carbonado.qe">IterableQueryExecutor</a>, <a href="../../../../com/amazon/carbonado/qe/JoinedQueryExecutor.html" title="class in com.amazon.carbonado.qe">JoinedQueryExecutor</a>, <a href="../../../../com/amazon/carbonado/qe/KeyQueryExecutor.html" title="class in com.amazon.carbonado.qe">KeyQueryExecutor</a>, <a href="../../../../com/amazon/carbonado/qe/SortedQueryExecutor.html" title="class in com.amazon.carbonado.qe">SortedQueryExecutor</a>, <a href="../../../../com/amazon/carbonado/qe/UnionQueryExecutor.html" title="class in com.amazon.carbonado.qe">UnionQueryExecutor</a></dd>
</dl>
<hr>
<br>
<pre>public abstract class <span class="strong">AbstractQueryExecutor&lt;S extends <a href="../../../../com/amazon/carbonado/Storable.html" title="interface in com.amazon.carbonado">Storable</a>&gt;</span>
extends java.lang.Object
implements <a href="../../../../com/amazon/carbonado/qe/QueryExecutor.html" title="interface in com.amazon.carbonado.qe">QueryExecutor</a>&lt;S&gt;</pre>
<div class="block">AbstractQueryExecutor implements a small set of common QueryExecutor methods.</div>
<dl><dt><span class="strong">Author:</span></dt>
  <dd>Brian S O'Neill</dd></dl>
</li>
</ul>
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<h3>Constructor Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html#AbstractQueryExecutor()">AbstractQueryExecutor</a></strong>()</code>&nbsp;</td>
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<h3>Method Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<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>long</code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html#count(com.amazon.carbonado.filter.FilterValues)">count</a></strong>(<a href="../../../../com/amazon/carbonado/filter/FilterValues.html" title="class in com.amazon.carbonado.filter">FilterValues</a>&lt;<a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html" title="type parameter in AbstractQueryExecutor">S</a>&gt;&nbsp;values)</code>
<div class="block">Counts results by opening a cursor and skipping entries.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html#count(com.amazon.carbonado.filter.FilterValues, com.amazon.carbonado.Query.Controller)">count</a></strong>(<a href="../../../../com/amazon/carbonado/filter/FilterValues.html" title="class in com.amazon.carbonado.filter">FilterValues</a>&lt;<a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html" title="type parameter in AbstractQueryExecutor">S</a>&gt;&nbsp;values,
     <a href="../../../../com/amazon/carbonado/Query.Controller.html" title="interface in com.amazon.carbonado">Query.Controller</a>&nbsp;controller)</code>
<div class="block">Counts results by opening a cursor and skipping entries.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../com/amazon/carbonado/Cursor.html" title="interface in com.amazon.carbonado">Cursor</a>&lt;<a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html" title="type parameter in AbstractQueryExecutor">S</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html#fetchSlice(com.amazon.carbonado.filter.FilterValues, long, java.lang.Long)">fetchSlice</a></strong>(<a href="../../../../com/amazon/carbonado/filter/FilterValues.html" title="class in com.amazon.carbonado.filter">FilterValues</a>&lt;<a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html" title="type parameter in AbstractQueryExecutor">S</a>&gt;&nbsp;values,
          long&nbsp;from,
          java.lang.Long&nbsp;to)</code>
<div class="block">Produces a slice via skip and limit cursors.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../com/amazon/carbonado/Cursor.html" title="interface in com.amazon.carbonado">Cursor</a>&lt;<a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html" title="type parameter in AbstractQueryExecutor">S</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html#fetchSlice(com.amazon.carbonado.filter.FilterValues, long, java.lang.Long, com.amazon.carbonado.Query.Controller)">fetchSlice</a></strong>(<a href="../../../../com/amazon/carbonado/filter/FilterValues.html" title="class in com.amazon.carbonado.filter">FilterValues</a>&lt;<a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html" title="type parameter in AbstractQueryExecutor">S</a>&gt;&nbsp;values,
          long&nbsp;from,
          java.lang.Long&nbsp;to,
          <a href="../../../../com/amazon/carbonado/Query.Controller.html" title="interface in com.amazon.carbonado">Query.Controller</a>&nbsp;controller)</code>
<div class="block">Produces a slice via skip and limit cursors.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>java.lang.Class&lt;<a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html" title="type parameter in AbstractQueryExecutor">S</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html#getStorableType()">getStorableType</a></strong>()</code>
<div class="block">Returns the storable type that this executor operates on.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html#increaseIndent(int)">increaseIndent</a></strong>(int&nbsp;indentLevel)</code>
<div class="block">Adds a constant amount to the given indent level.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html#indent(java.lang.Appendable, int)">indent</a></strong>(java.lang.Appendable&nbsp;app,
      int&nbsp;indentLevel)</code>
<div class="block">Appends spaces to the given appendable.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html#newline(java.lang.Appendable)">newline</a></strong>(java.lang.Appendable&nbsp;app)</code>
<div class="block">Appends a newline character.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html#printNative(java.lang.Appendable, int, com.amazon.carbonado.filter.FilterValues)">printNative</a></strong>(java.lang.Appendable&nbsp;app,
           int&nbsp;indentLevel,
           <a href="../../../../com/amazon/carbonado/filter/FilterValues.html" title="class in com.amazon.carbonado.filter">FilterValues</a>&lt;<a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html" title="type parameter in AbstractQueryExecutor">S</a>&gt;&nbsp;values)</code>
<div class="block">Does nothing and returns false.</div>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
</ul>
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<h3>Methods inherited from interface&nbsp;com.amazon.carbonado.qe.<a href="../../../../com/amazon/carbonado/qe/QueryExecutor.html" title="interface in com.amazon.carbonado.qe">QueryExecutor</a></h3>
<code><a href="../../../../com/amazon/carbonado/qe/QueryExecutor.html#fetch(com.amazon.carbonado.filter.FilterValues)">fetch</a>, <a href="../../../../com/amazon/carbonado/qe/QueryExecutor.html#fetch(com.amazon.carbonado.filter.FilterValues, com.amazon.carbonado.Query.Controller)">fetch</a>, <a href="../../../../com/amazon/carbonado/qe/QueryExecutor.html#getFilter()">getFilter</a>, <a href="../../../../com/amazon/carbonado/qe/QueryExecutor.html#getOrdering()">getOrdering</a>, <a href="../../../../com/amazon/carbonado/qe/QueryExecutor.html#printPlan(java.lang.Appendable, int, com.amazon.carbonado.filter.FilterValues)">printPlan</a></code></li>
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<h3>Constructor Detail</h3>
<a name="AbstractQueryExecutor()">
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<h4>AbstractQueryExecutor</h4>
<pre>public&nbsp;AbstractQueryExecutor()</pre>
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<a name="getStorableType()">
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<h4>getStorableType</h4>
<pre>public&nbsp;java.lang.Class&lt;<a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html" title="type parameter in AbstractQueryExecutor">S</a>&gt;&nbsp;getStorableType()</pre>
<div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../com/amazon/carbonado/qe/QueryExecutor.html#getStorableType()">QueryExecutor</a></code></strong></div>
<div class="block">Returns the storable type that this executor operates on.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../com/amazon/carbonado/qe/QueryExecutor.html#getStorableType()">getStorableType</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../com/amazon/carbonado/qe/QueryExecutor.html" title="interface in com.amazon.carbonado.qe">QueryExecutor</a>&lt;<a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html" title="type parameter in AbstractQueryExecutor">S</a> extends <a href="../../../../com/amazon/carbonado/Storable.html" title="interface in com.amazon.carbonado">Storable</a>&gt;</code></dd>
</dl>
</li>
</ul>
<a name="fetchSlice(com.amazon.carbonado.filter.FilterValues, long, java.lang.Long)">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>fetchSlice</h4>
<pre>public&nbsp;<a href="../../../../com/amazon/carbonado/Cursor.html" title="interface in com.amazon.carbonado">Cursor</a>&lt;<a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html" title="type parameter in AbstractQueryExecutor">S</a>&gt;&nbsp;fetchSlice(<a href="../../../../com/amazon/carbonado/filter/FilterValues.html" title="class in com.amazon.carbonado.filter">FilterValues</a>&lt;<a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html" title="type parameter in AbstractQueryExecutor">S</a>&gt;&nbsp;values,
                   long&nbsp;from,
                   java.lang.Long&nbsp;to)
                                      throws <a href="../../../../com/amazon/carbonado/FetchException.html" title="class in com.amazon.carbonado">FetchException</a></pre>
<div class="block">Produces a slice via skip and limit cursors. Subclasses are encouraged
 to override with a more efficient implementation.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../com/amazon/carbonado/qe/QueryExecutor.html#fetchSlice(com.amazon.carbonado.filter.FilterValues, long, java.lang.Long)">fetchSlice</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../com/amazon/carbonado/qe/QueryExecutor.html" title="interface in com.amazon.carbonado.qe">QueryExecutor</a>&lt;<a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html" title="type parameter in AbstractQueryExecutor">S</a> extends <a href="../../../../com/amazon/carbonado/Storable.html" title="interface in com.amazon.carbonado">Storable</a>&gt;</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><dt><span class="strong">Since:</span></dt>
  <dd>1.2</dd></dl>
</li>
</ul>
<a name="fetchSlice(com.amazon.carbonado.filter.FilterValues, long, java.lang.Long, com.amazon.carbonado.Query.Controller)">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>fetchSlice</h4>
<pre>public&nbsp;<a href="../../../../com/amazon/carbonado/Cursor.html" title="interface in com.amazon.carbonado">Cursor</a>&lt;<a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html" title="type parameter in AbstractQueryExecutor">S</a>&gt;&nbsp;fetchSlice(<a href="../../../../com/amazon/carbonado/filter/FilterValues.html" title="class in com.amazon.carbonado.filter">FilterValues</a>&lt;<a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html" title="type parameter in AbstractQueryExecutor">S</a>&gt;&nbsp;values,
                   long&nbsp;from,
                   java.lang.Long&nbsp;to,
                   <a href="../../../../com/amazon/carbonado/Query.Controller.html" title="interface in com.amazon.carbonado">Query.Controller</a>&nbsp;controller)
                                      throws <a href="../../../../com/amazon/carbonado/FetchException.html" title="class in com.amazon.carbonado">FetchException</a></pre>
<div class="block">Produces a slice via skip and limit cursors. Subclasses are encouraged
 to override with a more efficient implementation.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../com/amazon/carbonado/qe/QueryExecutor.html#fetchSlice(com.amazon.carbonado.filter.FilterValues, long, java.lang.Long, com.amazon.carbonado.Query.Controller)">fetchSlice</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../com/amazon/carbonado/qe/QueryExecutor.html" title="interface in com.amazon.carbonado.qe">QueryExecutor</a>&lt;<a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html" title="type parameter in AbstractQueryExecutor">S</a> extends <a href="../../../../com/amazon/carbonado/Storable.html" title="interface in com.amazon.carbonado">Storable</a>&gt;</code></dd>
<dd><code>controller</code> - optional controller which can abort query operation</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><dt><span class="strong">Since:</span></dt>
  <dd>1.2</dd></dl>
</li>
</ul>
<a name="count(com.amazon.carbonado.filter.FilterValues)">
<!--   -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>count</h4>
<pre>public&nbsp;long&nbsp;count(<a href="../../../../com/amazon/carbonado/filter/FilterValues.html" title="class in com.amazon.carbonado.filter">FilterValues</a>&lt;<a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html" title="type parameter in AbstractQueryExecutor">S</a>&gt;&nbsp;values)
           throws <a href="../../../../com/amazon/carbonado/FetchException.html" title="class in com.amazon.carbonado">FetchException</a></pre>
<div class="block">Counts results by opening a cursor and skipping entries. Subclasses are
 encouraged to override with a more efficient implementation.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../com/amazon/carbonado/qe/QueryExecutor.html#count(com.amazon.carbonado.filter.FilterValues)">count</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../com/amazon/carbonado/qe/QueryExecutor.html" title="interface in com.amazon.carbonado.qe">QueryExecutor</a>&lt;<a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html" title="type parameter in AbstractQueryExecutor">S</a> extends <a href="../../../../com/amazon/carbonado/Storable.html" title="interface in com.amazon.carbonado">Storable</a>&gt;</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="count(com.amazon.carbonado.filter.FilterValues, com.amazon.carbonado.Query.Controller)">
<!--   -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>count</h4>
<pre>public&nbsp;long&nbsp;count(<a href="../../../../com/amazon/carbonado/filter/FilterValues.html" title="class in com.amazon.carbonado.filter">FilterValues</a>&lt;<a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html" title="type parameter in AbstractQueryExecutor">S</a>&gt;&nbsp;values,
         <a href="../../../../com/amazon/carbonado/Query.Controller.html" title="interface in com.amazon.carbonado">Query.Controller</a>&nbsp;controller)
           throws <a href="../../../../com/amazon/carbonado/FetchException.html" title="class in com.amazon.carbonado">FetchException</a></pre>
<div class="block">Counts results by opening a cursor and skipping entries. Subclasses are
 encouraged to override with a more efficient implementation.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../com/amazon/carbonado/qe/QueryExecutor.html#count(com.amazon.carbonado.filter.FilterValues, com.amazon.carbonado.Query.Controller)">count</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../com/amazon/carbonado/qe/QueryExecutor.html" title="interface in com.amazon.carbonado.qe">QueryExecutor</a>&lt;<a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html" title="type parameter in AbstractQueryExecutor">S</a> extends <a href="../../../../com/amazon/carbonado/Storable.html" title="interface in com.amazon.carbonado">Storable</a>&gt;</code></dd>
<dd><code>controller</code> - optional controller which can abort query operation</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="printNative(java.lang.Appendable, int, com.amazon.carbonado.filter.FilterValues)">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>printNative</h4>
<pre>public&nbsp;boolean&nbsp;printNative(java.lang.Appendable&nbsp;app,
                  int&nbsp;indentLevel,
                  <a href="../../../../com/amazon/carbonado/filter/FilterValues.html" title="class in com.amazon.carbonado.filter">FilterValues</a>&lt;<a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html" title="type parameter in AbstractQueryExecutor">S</a>&gt;&nbsp;values)
                    throws java.io.IOException</pre>
<div class="block">Does nothing and returns false.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../com/amazon/carbonado/qe/QueryExecutor.html#printNative(java.lang.Appendable, int, com.amazon.carbonado.filter.FilterValues)">printNative</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../com/amazon/carbonado/qe/QueryExecutor.html" title="interface in com.amazon.carbonado.qe">QueryExecutor</a>&lt;<a href="../../../../com/amazon/carbonado/qe/AbstractQueryExecutor.html" title="type parameter in AbstractQueryExecutor">S</a> extends <a href="../../../../com/amazon/carbonado/Storable.html" title="interface in com.amazon.carbonado">Storable</a>&gt;</code></dd>
<dd><code>values</code> - optional</dd>
<dt><span class="strong">Returns:</span></dt><dd>false if not implemented</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="indent(java.lang.Appendable, int)">
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<ul class="blockList">
<li class="blockList">
<h4>indent</h4>
<pre>protected&nbsp;void&nbsp;indent(java.lang.Appendable&nbsp;app,
          int&nbsp;indentLevel)
               throws java.io.IOException</pre>
<div class="block">Appends spaces to the given appendable. Useful for implementing
 printNative and printPlan.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
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<pre>protected&nbsp;void&nbsp;newline(java.lang.Appendable&nbsp;app)
                throws java.io.IOException</pre>
<div class="block">Appends a newline character.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
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<h4>increaseIndent</h4>
<pre>protected&nbsp;int&nbsp;increaseIndent(int&nbsp;indentLevel)</pre>
<div class="block">Adds a constant amount to the given indent level. Useful for
 implementing printNative and printPlan.</div>
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