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<div class="subTitle">org.apache.orc.impl.reader.tree</div>
<h2 title="Interface TypeReader" class="title">Interface TypeReader</h2>
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<dt>All Known Implementing Classes:</dt>
<dd><a href="../../../../../../org/apache/orc/impl/ConvertTreeReaderFactory.AnyIntegerFromAnyIntegerTreeReader.html" title="class in org.apache.orc.impl">ConvertTreeReaderFactory.AnyIntegerFromAnyIntegerTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/ConvertTreeReaderFactory.AnyIntegerFromDecimalTreeReader.html" title="class in org.apache.orc.impl">ConvertTreeReaderFactory.AnyIntegerFromDecimalTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/ConvertTreeReaderFactory.AnyIntegerFromDoubleTreeReader.html" title="class in org.apache.orc.impl">ConvertTreeReaderFactory.AnyIntegerFromDoubleTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/ConvertTreeReaderFactory.AnyIntegerFromStringGroupTreeReader.html" title="class in org.apache.orc.impl">ConvertTreeReaderFactory.AnyIntegerFromStringGroupTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/ConvertTreeReaderFactory.AnyIntegerFromTimestampTreeReader.html" title="class in org.apache.orc.impl">ConvertTreeReaderFactory.AnyIntegerFromTimestampTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/ConvertTreeReaderFactory.ConvertTreeReader.html" title="class in org.apache.orc.impl">ConvertTreeReaderFactory.ConvertTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/ConvertTreeReaderFactory.DateFromStringGroupTreeReader.html" title="class in org.apache.orc.impl">ConvertTreeReaderFactory.DateFromStringGroupTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/ConvertTreeReaderFactory.DateFromTimestampTreeReader.html" title="class in org.apache.orc.impl">ConvertTreeReaderFactory.DateFromTimestampTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/ConvertTreeReaderFactory.DecimalFromAnyIntegerTreeReader.html" title="class in org.apache.orc.impl">ConvertTreeReaderFactory.DecimalFromAnyIntegerTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/ConvertTreeReaderFactory.DecimalFromDecimalTreeReader.html" title="class in org.apache.orc.impl">ConvertTreeReaderFactory.DecimalFromDecimalTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/ConvertTreeReaderFactory.DecimalFromDoubleTreeReader.html" title="class in org.apache.orc.impl">ConvertTreeReaderFactory.DecimalFromDoubleTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/ConvertTreeReaderFactory.DecimalFromStringGroupTreeReader.html" title="class in org.apache.orc.impl">ConvertTreeReaderFactory.DecimalFromStringGroupTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/ConvertTreeReaderFactory.DecimalFromTimestampTreeReader.html" title="class in org.apache.orc.impl">ConvertTreeReaderFactory.DecimalFromTimestampTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/ConvertTreeReaderFactory.DoubleFromAnyIntegerTreeReader.html" title="class in org.apache.orc.impl">ConvertTreeReaderFactory.DoubleFromAnyIntegerTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/ConvertTreeReaderFactory.DoubleFromDecimalTreeReader.html" title="class in org.apache.orc.impl">ConvertTreeReaderFactory.DoubleFromDecimalTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/ConvertTreeReaderFactory.DoubleFromStringGroupTreeReader.html" title="class in org.apache.orc.impl">ConvertTreeReaderFactory.DoubleFromStringGroupTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/ConvertTreeReaderFactory.DoubleFromTimestampTreeReader.html" title="class in org.apache.orc.impl">ConvertTreeReaderFactory.DoubleFromTimestampTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/ConvertTreeReaderFactory.FloatFromDoubleTreeReader.html" title="class in org.apache.orc.impl">ConvertTreeReaderFactory.FloatFromDoubleTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/ConvertTreeReaderFactory.StringGroupFromAnyIntegerTreeReader.html" title="class in 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org.apache.orc.impl">TreeReaderFactory.DoubleTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/TreeReaderFactory.FloatTreeReader.html" title="class in org.apache.orc.impl">TreeReaderFactory.FloatTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/TreeReaderFactory.IntTreeReader.html" title="class in org.apache.orc.impl">TreeReaderFactory.IntTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/TreeReaderFactory.ListTreeReader.html" title="class in org.apache.orc.impl">TreeReaderFactory.ListTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/TreeReaderFactory.LongTreeReader.html" title="class in org.apache.orc.impl">TreeReaderFactory.LongTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/TreeReaderFactory.MapTreeReader.html" title="class in org.apache.orc.impl">TreeReaderFactory.MapTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/TreeReaderFactory.NullTreeReader.html" title="class in org.apache.orc.impl">TreeReaderFactory.NullTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/TreeReaderFactory.ShortTreeReader.html" title="class in org.apache.orc.impl">TreeReaderFactory.ShortTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/TreeReaderFactory.StringDictionaryTreeReader.html" title="class in org.apache.orc.impl">TreeReaderFactory.StringDictionaryTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/TreeReaderFactory.StringDirectTreeReader.html" title="class in org.apache.orc.impl">TreeReaderFactory.StringDirectTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/TreeReaderFactory.StringTreeReader.html" title="class in org.apache.orc.impl">TreeReaderFactory.StringTreeReader</a>, <a href="../../../../../../org/apache/orc/impl/TreeReaderFactory.StructTreeReader.html" title="class in org.apache.orc.impl">TreeReaderFactory.StructTreeReader</a>, <a 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<br>
<pre>public interface <span class="typeNameLabel">TypeReader</span></pre>
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<caption><span>Nested Classes</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Interface and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/orc/impl/reader/tree/TypeReader.ReaderCategory.html" title="enum in org.apache.orc.impl.reader.tree">TypeReader.ReaderCategory</a></span></code>&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/orc/impl/reader/tree/TypeReader.ReadPhase.html" title="enum in org.apache.orc.impl.reader.tree">TypeReader.ReadPhase</a></span></code>&nbsp;</td>
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<h3>Method Summary</h3>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t5" class="tableTab"><span><a href="javascript:show(16);">Default Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/orc/impl/reader/tree/TypeReader.html#checkEncoding-org.apache.orc.OrcProto.ColumnEncoding-">checkEncoding</a></span>(<a href="https://orc.apache.org/api/orc-core/org/apache/orc/OrcProto.ColumnEncoding.html?is-external=true" title="class or interface in org.apache.orc">OrcProto.ColumnEncoding</a>&nbsp;encoding)</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/orc/impl/reader/tree/TypeReader.html#getColumnId--">getColumnId</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/orc/impl/reader/tree/TypeReader.ReaderCategory.html" title="enum in org.apache.orc.impl.reader.tree">TypeReader.ReaderCategory</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/orc/impl/reader/tree/TypeReader.html#getReaderCategory--">getReaderCategory</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/orc/impl/reader/tree/TypeReader.html#nextVector-org.apache.hadoop.hive.ql.exec.vector.ColumnVector-boolean:A-int-org.apache.hadoop.hive.ql.io.filter.FilterContext-org.apache.orc.impl.reader.tree.TypeReader.ReadPhase-">nextVector</a></span>(<a href="https://orc.apache.org/api/hive-storage-api/org/apache/hadoop/hive/ql/exec/vector/ColumnVector.html?is-external=true" title="class or interface in org.apache.hadoop.hive.ql.exec.vector">ColumnVector</a>&nbsp;previous,
          boolean[]&nbsp;isNull,
          int&nbsp;batchSize,
          <a href="https://hadoop.apache.org/docs/r2.7.3/api/org/apache/hadoop/hive.ql.io.filter.FilterContext.html?is-external=true" title="class or interface in org.apache.hadoop">org.apache.hadoop.hive.ql.io.filter.FilterContext</a>&nbsp;filterContext,
          <a href="../../../../../../org/apache/orc/impl/reader/tree/TypeReader.ReadPhase.html" title="enum in org.apache.orc.impl.reader.tree">TypeReader.ReadPhase</a>&nbsp;readPhase)</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/orc/impl/reader/tree/TypeReader.html#seek-org.apache.orc.impl.PositionProvider:A-org.apache.orc.impl.reader.tree.TypeReader.ReadPhase-">seek</a></span>(<a href="../../../../../../org/apache/orc/impl/PositionProvider.html" title="interface in org.apache.orc.impl">PositionProvider</a>[]&nbsp;index,
    <a href="../../../../../../org/apache/orc/impl/reader/tree/TypeReader.ReadPhase.html" title="enum in org.apache.orc.impl.reader.tree">TypeReader.ReadPhase</a>&nbsp;readPhase)</code>&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/orc/impl/reader/tree/TypeReader.html#seek-org.apache.orc.impl.PositionProvider-org.apache.orc.impl.reader.tree.TypeReader.ReadPhase-">seek</a></span>(<a href="../../../../../../org/apache/orc/impl/PositionProvider.html" title="interface in org.apache.orc.impl">PositionProvider</a>&nbsp;index,
    <a href="../../../../../../org/apache/orc/impl/reader/tree/TypeReader.ReadPhase.html" title="enum in org.apache.orc.impl.reader.tree">TypeReader.ReadPhase</a>&nbsp;readPhase)</code>&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/orc/impl/reader/tree/TypeReader.html#shouldProcessChild-org.apache.orc.impl.reader.tree.TypeReader-org.apache.orc.impl.reader.tree.TypeReader.ReadPhase-">shouldProcessChild</a></span>(<a href="../../../../../../org/apache/orc/impl/reader/tree/TypeReader.html" title="interface in org.apache.orc.impl.reader.tree">TypeReader</a>&nbsp;child,
                  <a href="../../../../../../org/apache/orc/impl/reader/tree/TypeReader.ReadPhase.html" title="enum in org.apache.orc.impl.reader.tree">TypeReader.ReadPhase</a>&nbsp;readPhase)</code>
<div class="block">Determines if the child of the parent should be allowed based on the read level.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/orc/impl/reader/tree/TypeReader.html#skipRows-long-org.apache.orc.impl.reader.tree.TypeReader.ReadPhase-">skipRows</a></span>(long&nbsp;rows,
        <a href="../../../../../../org/apache/orc/impl/reader/tree/TypeReader.ReadPhase.html" title="enum in org.apache.orc.impl.reader.tree">TypeReader.ReadPhase</a>&nbsp;readPhase)</code>&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/orc/impl/reader/tree/TypeReader.html#startStripe-org.apache.orc.impl.reader.StripePlanner-org.apache.orc.impl.reader.tree.TypeReader.ReadPhase-">startStripe</a></span>(<a href="../../../../../../org/apache/orc/impl/reader/StripePlanner.html" title="class in org.apache.orc.impl.reader">StripePlanner</a>&nbsp;planner,
           <a href="../../../../../../org/apache/orc/impl/reader/tree/TypeReader.ReadPhase.html" title="enum in org.apache.orc.impl.reader.tree">TypeReader.ReadPhase</a>&nbsp;readPhase)</code>&nbsp;</td>
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<h3>Method Detail</h3>
<a name="checkEncoding-org.apache.orc.OrcProto.ColumnEncoding-">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>checkEncoding</h4>
<pre>void&nbsp;checkEncoding(<a href="https://orc.apache.org/api/orc-core/org/apache/orc/OrcProto.ColumnEncoding.html?is-external=true" title="class or interface in org.apache.orc">OrcProto.ColumnEncoding</a>&nbsp;encoding)
            throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
</dl>
</li>
</ul>
<a name="startStripe-org.apache.orc.impl.reader.StripePlanner-org.apache.orc.impl.reader.tree.TypeReader.ReadPhase-">
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<h4>startStripe</h4>
<pre>void&nbsp;startStripe(<a href="../../../../../../org/apache/orc/impl/reader/StripePlanner.html" title="class in org.apache.orc.impl.reader">StripePlanner</a>&nbsp;planner,
                 <a href="../../../../../../org/apache/orc/impl/reader/tree/TypeReader.ReadPhase.html" title="enum in org.apache.orc.impl.reader.tree">TypeReader.ReadPhase</a>&nbsp;readPhase)
          throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
</dl>
</li>
</ul>
<a name="seek-org.apache.orc.impl.PositionProvider:A-org.apache.orc.impl.reader.tree.TypeReader.ReadPhase-">
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<ul class="blockList">
<li class="blockList">
<h4>seek</h4>
<pre>void&nbsp;seek(<a href="../../../../../../org/apache/orc/impl/PositionProvider.html" title="interface in org.apache.orc.impl">PositionProvider</a>[]&nbsp;index,
          <a href="../../../../../../org/apache/orc/impl/reader/tree/TypeReader.ReadPhase.html" title="enum in org.apache.orc.impl.reader.tree">TypeReader.ReadPhase</a>&nbsp;readPhase)
   throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
</dl>
</li>
</ul>
<a name="seek-org.apache.orc.impl.PositionProvider-org.apache.orc.impl.reader.tree.TypeReader.ReadPhase-">
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<ul class="blockList">
<li class="blockList">
<h4>seek</h4>
<pre>void&nbsp;seek(<a href="../../../../../../org/apache/orc/impl/PositionProvider.html" title="interface in org.apache.orc.impl">PositionProvider</a>&nbsp;index,
          <a href="../../../../../../org/apache/orc/impl/reader/tree/TypeReader.ReadPhase.html" title="enum in org.apache.orc.impl.reader.tree">TypeReader.ReadPhase</a>&nbsp;readPhase)
   throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
</dl>
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<h4>skipRows</h4>
<pre>void&nbsp;skipRows(long&nbsp;rows,
              <a href="../../../../../../org/apache/orc/impl/reader/tree/TypeReader.ReadPhase.html" title="enum in org.apache.orc.impl.reader.tree">TypeReader.ReadPhase</a>&nbsp;readPhase)
       throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<a name="nextVector-org.apache.hadoop.hive.ql.exec.vector.ColumnVector-boolean:A-int-org.apache.hadoop.hive.ql.io.filter.FilterContext-org.apache.orc.impl.reader.tree.TypeReader.ReadPhase-">
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<h4>nextVector</h4>
<pre>void&nbsp;nextVector(<a href="https://orc.apache.org/api/hive-storage-api/org/apache/hadoop/hive/ql/exec/vector/ColumnVector.html?is-external=true" title="class or interface in org.apache.hadoop.hive.ql.exec.vector">ColumnVector</a>&nbsp;previous,
                boolean[]&nbsp;isNull,
                int&nbsp;batchSize,
                <a href="https://hadoop.apache.org/docs/r2.7.3/api/org/apache/hadoop/hive.ql.io.filter.FilterContext.html?is-external=true" title="class or interface in org.apache.hadoop">org.apache.hadoop.hive.ql.io.filter.FilterContext</a>&nbsp;filterContext,
                <a href="../../../../../../org/apache/orc/impl/reader/tree/TypeReader.ReadPhase.html" title="enum in org.apache.orc.impl.reader.tree">TypeReader.ReadPhase</a>&nbsp;readPhase)
         throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<pre>int&nbsp;getColumnId()</pre>
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<h4>getReaderCategory</h4>
<pre><a href="../../../../../../org/apache/orc/impl/reader/tree/TypeReader.ReaderCategory.html" title="enum in org.apache.orc.impl.reader.tree">TypeReader.ReaderCategory</a>&nbsp;getReaderCategory()</pre>
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<h4>shouldProcessChild</h4>
<pre>static&nbsp;boolean&nbsp;shouldProcessChild(<a href="../../../../../../org/apache/orc/impl/reader/tree/TypeReader.html" title="interface in org.apache.orc.impl.reader.tree">TypeReader</a>&nbsp;child,
                                  <a href="../../../../../../org/apache/orc/impl/reader/tree/TypeReader.ReadPhase.html" title="enum in org.apache.orc.impl.reader.tree">TypeReader.ReadPhase</a>&nbsp;readPhase)</pre>
<div class="block">Determines if the child of the parent should be allowed based on the read level. The child
 is allowed based on the read level or if the child is a FILTER_PARENT, this allows the handling
 of NON_FILTER children on the FILTER_PARENT child</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>child</code> - the child reader that is being evaluated</dd>
<dd><code>readPhase</code> - the requested read level</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if allowed by read level or if it is a FILTER_PARENT otherwise false</dd>
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