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<div class="subTitle">org.apache.arrow.flatbuf</div>
<h2 title="Class Schema" class="title">Class Schema</h2>
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<li>com.google.flatbuffers.Table</li>
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<li>org.apache.arrow.flatbuf.Schema</li>
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<pre>public final class <span class="typeNameLabel">Schema</span>
extends com.google.flatbuffers.Table</pre>
<div class="block">----------------------------------------------------------------------
A Schema describes the columns in a row batch</div>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.Vector.html" title="class in org.apache.arrow.flatbuf">Schema.Vector</a></span></code>&nbsp;</td>
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<h3>Fields inherited from class&nbsp;com.google.flatbuffers.Table</h3>
<code>bb, bb_pos</code></li>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#Schema--">Schema</a></span>()</code>&nbsp;</td>
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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="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<tr id="i0" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/arrow/flatbuf/Schema.html" title="class in org.apache.arrow.flatbuf">Schema</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#Z:Z__assign-int-java.nio.ByteBuffer-">__assign</a></span>(int&nbsp;_i,
<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>&nbsp;_bb)</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#Z:Z__init-int-java.nio.ByteBuffer-">__init</a></span>(int&nbsp;_i,
<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>&nbsp;_bb)</code>&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#addCustomMetadata-com.google.flatbuffers.FlatBufferBuilder-int-">addCustomMetadata</a></span>(com.google.flatbuffers.FlatBufferBuilder&nbsp;builder,
int&nbsp;customMetadataOffset)</code>&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#addEndianness-com.google.flatbuffers.FlatBufferBuilder-short-">addEndianness</a></span>(com.google.flatbuffers.FlatBufferBuilder&nbsp;builder,
short&nbsp;endianness)</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#addFeatures-com.google.flatbuffers.FlatBufferBuilder-int-">addFeatures</a></span>(com.google.flatbuffers.FlatBufferBuilder&nbsp;builder,
int&nbsp;featuresOffset)</code>&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#addFields-com.google.flatbuffers.FlatBufferBuilder-int-">addFields</a></span>(com.google.flatbuffers.FlatBufferBuilder&nbsp;builder,
int&nbsp;fieldsOffset)</code>&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#createCustomMetadataVector-com.google.flatbuffers.FlatBufferBuilder-int:A-">createCustomMetadataVector</a></span>(com.google.flatbuffers.FlatBufferBuilder&nbsp;builder,
int[]&nbsp;data)</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#createFeaturesVector-com.google.flatbuffers.FlatBufferBuilder-long:A-">createFeaturesVector</a></span>(com.google.flatbuffers.FlatBufferBuilder&nbsp;builder,
long[]&nbsp;data)</code>&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#createFieldsVector-com.google.flatbuffers.FlatBufferBuilder-int:A-">createFieldsVector</a></span>(com.google.flatbuffers.FlatBufferBuilder&nbsp;builder,
int[]&nbsp;data)</code>&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#createSchema-com.google.flatbuffers.FlatBufferBuilder-short-int-int-int-">createSchema</a></span>(com.google.flatbuffers.FlatBufferBuilder&nbsp;builder,
short&nbsp;endianness,
int&nbsp;fieldsOffset,
int&nbsp;customMetadataOffset,
int&nbsp;featuresOffset)</code>&nbsp;</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/arrow/flatbuf/KeyValue.html" title="class in org.apache.arrow.flatbuf">KeyValue</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#customMetadata-int-">customMetadata</a></span>(int&nbsp;j)</code>&nbsp;</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/arrow/flatbuf/KeyValue.html" title="class in org.apache.arrow.flatbuf">KeyValue</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#customMetadata-org.apache.arrow.flatbuf.KeyValue-int-">customMetadata</a></span>(<a href="../../../../org/apache/arrow/flatbuf/KeyValue.html" title="class in org.apache.arrow.flatbuf">KeyValue</a>&nbsp;obj,
int&nbsp;j)</code>&nbsp;</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#customMetadataLength--">customMetadataLength</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/arrow/flatbuf/KeyValue.Vector.html" title="class in org.apache.arrow.flatbuf">KeyValue.Vector</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#customMetadataVector--">customMetadataVector</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/arrow/flatbuf/KeyValue.Vector.html" title="class in org.apache.arrow.flatbuf">KeyValue.Vector</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#customMetadataVector-org.apache.arrow.flatbuf.KeyValue.Vector-">customMetadataVector</a></span>(<a href="../../../../org/apache/arrow/flatbuf/KeyValue.Vector.html" title="class in org.apache.arrow.flatbuf">KeyValue.Vector</a>&nbsp;obj)</code>&nbsp;</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>short</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#endianness--">endianness</a></span>()</code>
<div class="block">endianness of the buffer
it is Little Endian by default
if endianness doesn't match the underlying system then the vectors need to be converted</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#endSchema-com.google.flatbuffers.FlatBufferBuilder-">endSchema</a></span>(com.google.flatbuffers.FlatBufferBuilder&nbsp;builder)</code>&nbsp;</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#features-int-">features</a></span>(int&nbsp;j)</code>
<div class="block">Features used in the stream/file.</div>
</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#featuresAsByteBuffer--">featuresAsByteBuffer</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#featuresInByteBuffer-java.nio.ByteBuffer-">featuresInByteBuffer</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>&nbsp;_bb)</code>&nbsp;</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#featuresLength--">featuresLength</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code>com.google.flatbuffers.LongVector</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#featuresVector--">featuresVector</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><code>com.google.flatbuffers.LongVector</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#featuresVector-com.google.flatbuffers.LongVector-">featuresVector</a></span>(com.google.flatbuffers.LongVector&nbsp;obj)</code>&nbsp;</td>
</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/arrow/flatbuf/Field.html" title="class in org.apache.arrow.flatbuf">Field</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#fields-org.apache.arrow.flatbuf.Field-int-">fields</a></span>(<a href="../../../../org/apache/arrow/flatbuf/Field.html" title="class in org.apache.arrow.flatbuf">Field</a>&nbsp;obj,
int&nbsp;j)</code>&nbsp;</td>
</tr>
<tr id="i24" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/arrow/flatbuf/Field.html" title="class in org.apache.arrow.flatbuf">Field</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#fields-int-">fields</a></span>(int&nbsp;j)</code>&nbsp;</td>
</tr>
<tr id="i25" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#fieldsLength--">fieldsLength</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i26" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/arrow/flatbuf/Field.Vector.html" title="class in org.apache.arrow.flatbuf">Field.Vector</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#fieldsVector--">fieldsVector</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i27" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/arrow/flatbuf/Field.Vector.html" title="class in org.apache.arrow.flatbuf">Field.Vector</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#fieldsVector-org.apache.arrow.flatbuf.Field.Vector-">fieldsVector</a></span>(<a href="../../../../org/apache/arrow/flatbuf/Field.Vector.html" title="class in org.apache.arrow.flatbuf">Field.Vector</a>&nbsp;obj)</code>&nbsp;</td>
</tr>
<tr id="i28" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#finishSchemaBuffer-com.google.flatbuffers.FlatBufferBuilder-int-">finishSchemaBuffer</a></span>(com.google.flatbuffers.FlatBufferBuilder&nbsp;builder,
int&nbsp;offset)</code>&nbsp;</td>
</tr>
<tr id="i29" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#finishSizePrefixedSchemaBuffer-com.google.flatbuffers.FlatBufferBuilder-int-">finishSizePrefixedSchemaBuffer</a></span>(com.google.flatbuffers.FlatBufferBuilder&nbsp;builder,
int&nbsp;offset)</code>&nbsp;</td>
</tr>
<tr id="i30" class="altColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/arrow/flatbuf/Schema.html" title="class in org.apache.arrow.flatbuf">Schema</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#getRootAsSchema-java.nio.ByteBuffer-">getRootAsSchema</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>&nbsp;_bb)</code>&nbsp;</td>
</tr>
<tr id="i31" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/arrow/flatbuf/Schema.html" title="class in org.apache.arrow.flatbuf">Schema</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#getRootAsSchema-java.nio.ByteBuffer-org.apache.arrow.flatbuf.Schema-">getRootAsSchema</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>&nbsp;_bb,
<a href="../../../../org/apache/arrow/flatbuf/Schema.html" title="class in org.apache.arrow.flatbuf">Schema</a>&nbsp;obj)</code>&nbsp;</td>
</tr>
<tr id="i32" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#startCustomMetadataVector-com.google.flatbuffers.FlatBufferBuilder-int-">startCustomMetadataVector</a></span>(com.google.flatbuffers.FlatBufferBuilder&nbsp;builder,
int&nbsp;numElems)</code>&nbsp;</td>
</tr>
<tr id="i33" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#startFeaturesVector-com.google.flatbuffers.FlatBufferBuilder-int-">startFeaturesVector</a></span>(com.google.flatbuffers.FlatBufferBuilder&nbsp;builder,
int&nbsp;numElems)</code>&nbsp;</td>
</tr>
<tr id="i34" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#startFieldsVector-com.google.flatbuffers.FlatBufferBuilder-int-">startFieldsVector</a></span>(com.google.flatbuffers.FlatBufferBuilder&nbsp;builder,
int&nbsp;numElems)</code>&nbsp;</td>
</tr>
<tr id="i35" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#startSchema-com.google.flatbuffers.FlatBufferBuilder-">startSchema</a></span>(com.google.flatbuffers.FlatBufferBuilder&nbsp;builder)</code>&nbsp;</td>
</tr>
<tr id="i36" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/Schema.html#ValidateVersion--">ValidateVersion</a></span>()</code>&nbsp;</td>
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<h3>Methods inherited from class&nbsp;com.google.flatbuffers.Table</h3>
<code>__has_identifier, __indirect, __indirect, __offset, __offset, __reset, __reset, __string, __string, __union, __union, __vector_as_bytebuffer, __vector_in_bytebuffer, __vector_len, __vector, compareStrings, compareStrings, getByteBuffer, keysCompare, sortTables</code></li>
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<h4>Schema</h4>
<pre>public&nbsp;Schema()</pre>
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<pre>public static&nbsp;void&nbsp;ValidateVersion()</pre>
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<pre>public static&nbsp;<a href="../../../../org/apache/arrow/flatbuf/Schema.html" title="class in org.apache.arrow.flatbuf">Schema</a>&nbsp;getRootAsSchema(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>&nbsp;_bb)</pre>
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<pre>public static&nbsp;<a href="../../../../org/apache/arrow/flatbuf/Schema.html" title="class in org.apache.arrow.flatbuf">Schema</a>&nbsp;getRootAsSchema(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>&nbsp;_bb,
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<pre>public&nbsp;void&nbsp;__init(int&nbsp;_i,
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<pre>public&nbsp;<a href="../../../../org/apache/arrow/flatbuf/Schema.html" title="class in org.apache.arrow.flatbuf">Schema</a>&nbsp;__assign(int&nbsp;_i,
<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>&nbsp;_bb)</pre>
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<pre>public&nbsp;short&nbsp;endianness()</pre>
<div class="block">endianness of the buffer
it is Little Endian by default
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<pre>public&nbsp;int&nbsp;fieldsLength()</pre>
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<pre>public&nbsp;<a href="../../../../org/apache/arrow/flatbuf/Field.Vector.html" title="class in org.apache.arrow.flatbuf">Field.Vector</a>&nbsp;fieldsVector()</pre>
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<pre>public&nbsp;<a href="../../../../org/apache/arrow/flatbuf/KeyValue.html" title="class in org.apache.arrow.flatbuf">KeyValue</a>&nbsp;customMetadata(<a href="../../../../org/apache/arrow/flatbuf/KeyValue.html" title="class in org.apache.arrow.flatbuf">KeyValue</a>&nbsp;obj,
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<pre>public&nbsp;<a href="../../../../org/apache/arrow/flatbuf/KeyValue.Vector.html" title="class in org.apache.arrow.flatbuf">KeyValue.Vector</a>&nbsp;customMetadataVector()</pre>
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<pre>public&nbsp;<a href="../../../../org/apache/arrow/flatbuf/KeyValue.Vector.html" title="class in org.apache.arrow.flatbuf">KeyValue.Vector</a>&nbsp;customMetadataVector(<a href="../../../../org/apache/arrow/flatbuf/KeyValue.Vector.html" title="class in org.apache.arrow.flatbuf">KeyValue.Vector</a>&nbsp;obj)</pre>
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<pre>public&nbsp;long&nbsp;features(int&nbsp;j)</pre>
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int&nbsp;customMetadataOffset,
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<pre>public static&nbsp;void&nbsp;addCustomMetadata(com.google.flatbuffers.FlatBufferBuilder&nbsp;builder,
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<pre>public static&nbsp;int&nbsp;endSchema(com.google.flatbuffers.FlatBufferBuilder&nbsp;builder)</pre>
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<pre>public static&nbsp;void&nbsp;finishSchemaBuffer(com.google.flatbuffers.FlatBufferBuilder&nbsp;builder,
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