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| <pre>public final class <span class="typeNameLabel">SerializationUtils</span> |
| extends <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.FixedBitSizes.html" title="enum in org.apache.orc.impl">SerializationUtils.FixedBitSizes</a></span></code> </td> |
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| <th class="colOne" scope="col">Constructor and Description</th> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#SerializationUtils--">SerializationUtils</a></span>()</code> </td> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <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>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#bytesToLongBE-org.apache.orc.impl.InStream-int-">bytesToLongBE</a></span>(<a href="../../../../org/apache/orc/impl/InStream.html" title="class in org.apache.orc.impl">InStream</a> input, |
| int n)</code> |
| <div class="block">Read n bytes in big endian order and convert to long</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#bytesVectorToString-org.apache.hadoop.hive.ql.exec.vector.BytesColumnVector-int-">bytesVectorToString</a></span>(<a href="http://orc.apache.org/api/hive-storage-api/org/apache/hadoop/hive/ql/exec/vector/BytesColumnVector.html?is-external=true" title="class or interface in org.apache.hadoop.hive.ql.exec.vector">BytesColumnVector</a> vector, |
| int elementNum)</code> |
| <div class="block">Convert a bytes vector element into a String.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#convertBetweenTimezones-java.util.TimeZone-java.util.TimeZone-long-">convertBetweenTimezones</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/TimeZone.html?is-external=true" title="class or interface in java.util">TimeZone</a> writer, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/util/TimeZone.html?is-external=true" title="class or interface in java.util">TimeZone</a> reader, |
| long millis)</code> |
| <div class="block">Find the relative offset when moving between timezones at a particular |
| point in time.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#convertFromUtc-java.util.TimeZone-double-">convertFromUtc</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/TimeZone.html?is-external=true" title="class or interface in java.util">TimeZone</a> local, |
| double time)</code> |
| <div class="block">Convert a UTC time to a local timezone</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#convertFromUtc-java.util.TimeZone-long-">convertFromUtc</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/TimeZone.html?is-external=true" title="class or interface in java.util">TimeZone</a> local, |
| long time)</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#convertToUtc-java.util.TimeZone-long-">convertToUtc</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/TimeZone.html?is-external=true" title="class or interface in java.util">TimeZone</a> local, |
| long time)</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#decodeBitWidth-int-">decodeBitWidth</a></span>(int n)</code> |
| <div class="block">Decodes the ordinal fixed bit value to actual fixed bit width value</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#encodeBitWidth-int-">encodeBitWidth</a></span>(int n)</code> |
| <div class="block">Finds the closest available fixed bit width match and returns its encoded |
| value (ordinal)</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#findClosestNumBits-long-">findClosestNumBits</a></span>(long value)</code> |
| <div class="block">Count the number of bits required to encode the given value</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#getClosestAlignedFixedBits-int-">getClosestAlignedFixedBits</a></span>(int n)</code> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#getClosestFixedBits-int-">getClosestFixedBits</a></span>(int n)</code> |
| <div class="block">For a given fixed bit this function will return the closest available fixed |
| bit</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/orc/impl/writer/StreamOptions.html" title="class in org.apache.orc.impl.writer">StreamOptions</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#getCustomizedCodec-org.apache.orc.impl.writer.StreamOptions-org.apache.orc.OrcFile.CompressionStrategy-org.apache.orc.OrcProto.Stream.Kind-">getCustomizedCodec</a></span>(<a href="../../../../org/apache/orc/impl/writer/StreamOptions.html" title="class in org.apache.orc.impl.writer">StreamOptions</a> base, |
| <a href="../../../../org/apache/orc/OrcFile.CompressionStrategy.html" title="enum in org.apache.orc">OrcFile.CompressionStrategy</a> strategy, |
| <a href="http://orc.apache.org/api/orc-core/org/apache/orc/OrcProto.Stream.Kind.html?is-external=true" title="class or interface in org.apache.orc">OrcProto.Stream.Kind</a> kind)</code> |
| <div class="block">Get the stream options with the compression tuned for the particular |
| kind of stream.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#isSafeSubtract-long-long-">isSafeSubtract</a></span>(long left, |
| long right)</code> </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>static <a href="http://docs.oracle.com/javase/8/docs/api/java/sql/Date.html?is-external=true" title="class or interface in java.sql">Date</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#parseDateFromString-java.lang.String-">parseDateFromString</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> string)</code> |
| <div class="block">Parse a date from a string.</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#percentileBits-long:A-int-int-double-">percentileBits</a></span>(long[] data, |
| int offset, |
| int length, |
| double p)</code> |
| <div class="block">Compute the bits required to represent pth percentile value</div> |
| </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>static <a href="http://docs.oracle.com/javase/8/docs/api/java/math/BigInteger.html?is-external=true" title="class or interface in java.math">BigInteger</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#readBigInteger-java.io.InputStream-">readBigInteger</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a> input)</code> |
| <div class="block">Read the signed arbitrary sized BigInteger BigInteger in vint format</div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#readDouble-java.io.InputStream-">readDouble</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a> in)</code> </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>float</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#readFloat-java.io.InputStream-">readFloat</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a> in)</code> </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#readInts-long:A-int-int-int-org.apache.orc.impl.InStream-">readInts</a></span>(long[] buffer, |
| int offset, |
| int len, |
| int bitSize, |
| <a href="../../../../org/apache/orc/impl/InStream.html" title="class in org.apache.orc.impl">InStream</a> input)</code> |
| <div class="block">Read bitpacked integers from input stream</div> |
| </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#readLongLE-java.io.InputStream-">readLongLE</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a> in)</code> </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#readVslong-java.io.InputStream-">readVslong</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a> in)</code> </td> |
| </tr> |
| <tr id="i21" class="rowColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#readVulong-java.io.InputStream-">readVulong</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a> in)</code> </td> |
| </tr> |
| <tr id="i22" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#writeBigInteger-java.io.OutputStream-java.math.BigInteger-">writeBigInteger</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a> output, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/math/BigInteger.html?is-external=true" title="class or interface in java.math">BigInteger</a> value)</code> |
| <div class="block">Write the arbitrarily sized signed BigInteger in vint format.</div> |
| </td> |
| </tr> |
| <tr id="i23" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#writeDouble-java.io.OutputStream-double-">writeDouble</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a> output, |
| double value)</code> </td> |
| </tr> |
| <tr id="i24" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#writeFloat-java.io.OutputStream-float-">writeFloat</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a> output, |
| float value)</code> </td> |
| </tr> |
| <tr id="i25" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#writeInts-long:A-int-int-int-java.io.OutputStream-">writeInts</a></span>(long[] input, |
| int offset, |
| int len, |
| int bitSize, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a> output)</code> |
| <div class="block">Bitpack and write the input values to underlying output stream</div> |
| </td> |
| </tr> |
| <tr id="i26" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#writeVslong-java.io.OutputStream-long-">writeVslong</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a> output, |
| long value)</code> </td> |
| </tr> |
| <tr id="i27" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#writeVulong-java.io.OutputStream-long-">writeVulong</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a> output, |
| long value)</code> </td> |
| </tr> |
| <tr id="i28" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#zigzagDecode-long-">zigzagDecode</a></span>(long val)</code> |
| <div class="block">zigzag decode the given value</div> |
| </td> |
| </tr> |
| <tr id="i29" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/orc/impl/SerializationUtils.html#zigzagEncode-long-">zigzagEncode</a></span>(long val)</code> |
| <div class="block">zigzag encode the given value</div> |
| </td> |
| </tr> |
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| <h3>Methods inherited from class java.lang.<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> |
| <code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
| </ul> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
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| <h4>SerializationUtils</h4> |
| <pre>public SerializationUtils()</pre> |
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| <h3>Method Detail</h3> |
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| <h4>writeVulong</h4> |
| <pre>public void writeVulong(<a href="http://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a> output, |
| long value) |
| throws <a href="http://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="http://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>public void writeVslong(<a href="http://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a> output, |
| long value) |
| throws <a href="http://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="http://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>public static long readVulong(<a href="http://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a> in) |
| throws <a href="http://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="http://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>public static long readVslong(<a href="http://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a> in) |
| throws <a href="http://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="http://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>public float readFloat(<a href="http://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a> in) |
| throws <a href="http://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="http://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>public void writeFloat(<a href="http://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a> output, |
| float value) |
| throws <a href="http://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="http://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>public double readDouble(<a href="http://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a> in) |
| throws <a href="http://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="http://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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| <h4>readLongLE</h4> |
| <pre>public long readLongLE(<a href="http://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a> in) |
| throws <a href="http://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="http://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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| double value) |
| throws <a href="http://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="http://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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| <h4>writeBigInteger</h4> |
| <pre>public static void writeBigInteger(<a href="http://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a> output, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/math/BigInteger.html?is-external=true" title="class or interface in java.math">BigInteger</a> value) |
| throws <a href="http://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Write the arbitrarily sized signed BigInteger in vint format. |
| |
| Signed integers are encoded using the low bit as the sign bit using zigzag |
| encoding. |
| |
| Each byte uses the low 7 bits for data and the high bit for stop/continue. |
| |
| Bytes are stored LSB first.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>output</code> - the stream to write to</dd> |
| <dd><code>value</code> - the value to output</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="http://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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| <h4>readBigInteger</h4> |
| <pre>public static <a href="http://docs.oracle.com/javase/8/docs/api/java/math/BigInteger.html?is-external=true" title="class or interface in java.math">BigInteger</a> readBigInteger(<a href="http://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a> input) |
| throws <a href="http://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Read the signed arbitrary sized BigInteger BigInteger in vint format</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>input</code> - the stream to read from</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the read BigInteger</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="http://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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| <h4>findClosestNumBits</h4> |
| <pre>public int findClosestNumBits(long value)</pre> |
| <div class="block">Count the number of bits required to encode the given value</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>value</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>bits required to store value</dd> |
| </dl> |
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| <pre>public long zigzagEncode(long val)</pre> |
| <div class="block">zigzag encode the given value</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>val</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>zigzag encoded value</dd> |
| </dl> |
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| <pre>public long zigzagDecode(long val)</pre> |
| <div class="block">zigzag decode the given value</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>val</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>zizag decoded value</dd> |
| </dl> |
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| <pre>public int percentileBits(long[] data, |
| int offset, |
| int length, |
| double p)</pre> |
| <div class="block">Compute the bits required to represent pth percentile value</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>data</code> - - array</dd> |
| <dd><code>p</code> - - percentile value (>=0.0 to <=1.0)</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>pth percentile bits</dd> |
| </dl> |
| </li> |
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| <pre>public long bytesToLongBE(<a href="../../../../org/apache/orc/impl/InStream.html" title="class in org.apache.orc.impl">InStream</a> input, |
| int n) |
| throws <a href="http://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Read n bytes in big endian order and convert to long</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>long value</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="http://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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| <h4>getClosestFixedBits</h4> |
| <pre>public int getClosestFixedBits(int n)</pre> |
| <div class="block">For a given fixed bit this function will return the closest available fixed |
| bit</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>n</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>closest valid fixed bit</dd> |
| </dl> |
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| <pre>public int getClosestAlignedFixedBits(int n)</pre> |
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| <pre>public int encodeBitWidth(int n)</pre> |
| <div class="block">Finds the closest available fixed bit width match and returns its encoded |
| value (ordinal)</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>n</code> - - fixed bit width to encode</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>encoded fixed bit width</dd> |
| </dl> |
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| </ul> |
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| <h4>decodeBitWidth</h4> |
| <pre>public int decodeBitWidth(int n)</pre> |
| <div class="block">Decodes the ordinal fixed bit value to actual fixed bit width value</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>n</code> - - encoded fixed bit width</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>decoded fixed bit width</dd> |
| </dl> |
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| </ul> |
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| <pre>public void writeInts(long[] input, |
| int offset, |
| int len, |
| int bitSize, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a> output) |
| throws <a href="http://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Bitpack and write the input values to underlying output stream</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>input</code> - - values to write</dd> |
| <dd><code>offset</code> - - offset</dd> |
| <dd><code>len</code> - - length</dd> |
| <dd><code>bitSize</code> - - bit width</dd> |
| <dd><code>output</code> - - output stream</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="http://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> |
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| <h4>readInts</h4> |
| <pre>public void readInts(long[] buffer, |
| int offset, |
| int len, |
| int bitSize, |
| <a href="../../../../org/apache/orc/impl/InStream.html" title="class in org.apache.orc.impl">InStream</a> input) |
| throws <a href="http://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Read bitpacked integers from input stream</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>buffer</code> - - input buffer</dd> |
| <dd><code>offset</code> - - offset</dd> |
| <dd><code>len</code> - - length</dd> |
| <dd><code>bitSize</code> - - bit width</dd> |
| <dd><code>input</code> - - input stream</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="http://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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| </ul> |
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| </a> |
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| <h4>isSafeSubtract</h4> |
| <pre>public boolean isSafeSubtract(long left, |
| long right)</pre> |
| </li> |
| </ul> |
| <a name="convertFromUtc-java.util.TimeZone-double-"> |
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| </a> |
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| <h4>convertFromUtc</h4> |
| <pre>public static double convertFromUtc(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/TimeZone.html?is-external=true" title="class or interface in java.util">TimeZone</a> local, |
| double time)</pre> |
| <div class="block">Convert a UTC time to a local timezone</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>local</code> - the local timezone</dd> |
| <dd><code>time</code> - the number of seconds since 1970</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the converted timestamp</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>convertFromUtc</h4> |
| <pre>public static long convertFromUtc(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/TimeZone.html?is-external=true" title="class or interface in java.util">TimeZone</a> local, |
| long time)</pre> |
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| <h4>convertToUtc</h4> |
| <pre>public static long convertToUtc(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/TimeZone.html?is-external=true" title="class or interface in java.util">TimeZone</a> local, |
| long time)</pre> |
| </li> |
| </ul> |
| <a name="getCustomizedCodec-org.apache.orc.impl.writer.StreamOptions-org.apache.orc.OrcFile.CompressionStrategy-org.apache.orc.OrcProto.Stream.Kind-"> |
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| <h4>getCustomizedCodec</h4> |
| <pre>public static <a href="../../../../org/apache/orc/impl/writer/StreamOptions.html" title="class in org.apache.orc.impl.writer">StreamOptions</a> getCustomizedCodec(<a href="../../../../org/apache/orc/impl/writer/StreamOptions.html" title="class in org.apache.orc.impl.writer">StreamOptions</a> base, |
| <a href="../../../../org/apache/orc/OrcFile.CompressionStrategy.html" title="enum in org.apache.orc">OrcFile.CompressionStrategy</a> strategy, |
| <a href="http://orc.apache.org/api/orc-core/org/apache/orc/OrcProto.Stream.Kind.html?is-external=true" title="class or interface in org.apache.orc">OrcProto.Stream.Kind</a> kind)</pre> |
| <div class="block">Get the stream options with the compression tuned for the particular |
| kind of stream.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>base</code> - the original options</dd> |
| <dd><code>strategy</code> - the compression strategy</dd> |
| <dd><code>kind</code> - the stream kind</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the tuned options or the original if it is the same</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="convertBetweenTimezones-java.util.TimeZone-java.util.TimeZone-long-"> |
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| <h4>convertBetweenTimezones</h4> |
| <pre>public static long convertBetweenTimezones(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/TimeZone.html?is-external=true" title="class or interface in java.util">TimeZone</a> writer, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/util/TimeZone.html?is-external=true" title="class or interface in java.util">TimeZone</a> reader, |
| long millis)</pre> |
| <div class="block">Find the relative offset when moving between timezones at a particular |
| point in time. |
| |
| This is a function of ORC v0 and v1 writing timestamps relative to the |
| local timezone. Therefore, when we read, we need to convert from the |
| writer's timezone to the reader's timezone.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>writer</code> - the timezone we are moving from</dd> |
| <dd><code>reader</code> - the timezone we are moving to</dd> |
| <dd><code>millis</code> - the point in time</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the change in milliseconds</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>bytesVectorToString</h4> |
| <pre>public static <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> bytesVectorToString(<a href="http://orc.apache.org/api/hive-storage-api/org/apache/hadoop/hive/ql/exec/vector/BytesColumnVector.html?is-external=true" title="class or interface in org.apache.hadoop.hive.ql.exec.vector">BytesColumnVector</a> vector, |
| int elementNum)</pre> |
| <div class="block">Convert a bytes vector element into a String.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>vector</code> - the vector to use</dd> |
| <dd><code>elementNum</code> - the element number to stringify</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a string or null if the value was null</dd> |
| </dl> |
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| <h4>parseDateFromString</h4> |
| <pre>public static <a href="http://docs.oracle.com/javase/8/docs/api/java/sql/Date.html?is-external=true" title="class or interface in java.sql">Date</a> parseDateFromString(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> string)</pre> |
| <div class="block">Parse a date from a string.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>string</code> - the date to parse (YYYY-MM-DD)</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the Date parsed, or null if there was a parse error.</dd> |
| </dl> |
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