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| <div class="subTitle">org.apache.hadoop.hbase.util</div> |
| <h2 title="Class OrderedBytes" class="title">Class OrderedBytes</h2> |
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| <li>org.apache.hadoop.hbase.util.OrderedBytes</li> |
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| <br> |
| <pre>@InterfaceAudience.Public |
| public class <a href="../../../../../src-html/org/apache/hadoop/hbase/util/OrderedBytes.html#line.267">OrderedBytes</a> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
| <div class="block">Utility class that handles ordered byte arrays. That is, unlike |
| <a href="../../../../../org/apache/hadoop/hbase/util/Bytes.html" title="class in org.apache.hadoop.hbase.util"><code>Bytes</code></a>, these methods produce byte arrays which maintain the sort |
| order of the original values. |
| <h3>Encoding Format summary</h3> |
| <p> |
| Each value is encoded as one or more bytes. The first byte of the encoding, |
| its meaning, and a terse description of the bytes that follow is given by |
| the following table: |
| </p> |
| <table summary="Encodings"> |
| <tr><th>Content Type</th><th>Encoding</th></tr> |
| <tr><td>NULL</td><td>0x05</td></tr> |
| <tr><td>negative infinity</td><td>0x07</td></tr> |
| <tr><td>negative large</td><td>0x08, ~E, ~M</td></tr> |
| <tr><td>negative medium</td><td>0x13-E, ~M</td></tr> |
| <tr><td>negative small</td><td>0x14, -E, ~M</td></tr> |
| <tr><td>zero</td><td>0x15</td></tr> |
| <tr><td>positive small</td><td>0x16, ~-E, M</td></tr> |
| <tr><td>positive medium</td><td>0x17+E, M</td></tr> |
| <tr><td>positive large</td><td>0x22, E, M</td></tr> |
| <tr><td>positive infinity</td><td>0x23</td></tr> |
| <tr><td>NaN</td><td>0x25</td></tr> |
| <tr><td>fixed-length 32-bit integer</td><td>0x27, I</td></tr> |
| <tr><td>fixed-length 64-bit integer</td><td>0x28, I</td></tr> |
| <tr><td>fixed-length 8-bit integer</td><td>0x29</td></tr> |
| <tr><td>fixed-length 16-bit integer</td><td>0x2a</td></tr> |
| <tr><td>fixed-length 32-bit float</td><td>0x30, F</td></tr> |
| <tr><td>fixed-length 64-bit float</td><td>0x31, F</td></tr> |
| <tr><td>TEXT</td><td>0x33, T</td></tr> |
| <tr><td>variable length BLOB</td><td>0x35, B</td></tr> |
| <tr><td>byte-for-byte BLOB</td><td>0x36, X</td></tr> |
| </table> |
| |
| <h3>Null Encoding</h3> |
| <p> |
| Each value that is a NULL encodes as a single byte of 0x05. Since every |
| other value encoding begins with a byte greater than 0x05, this forces NULL |
| values to sort first. |
| </p> |
| <h3>Text Encoding</h3> |
| <p> |
| Each text value begins with a single byte of 0x33 and ends with a single |
| byte of 0x00. There are zero or more intervening bytes that encode the text |
| value. The intervening bytes are chosen so that the encoding will sort in |
| the desired collating order. The intervening bytes may not contain a 0x00 |
| character; the only 0x00 byte allowed in a text encoding is the final byte. |
| </p> |
| <p> |
| The text encoding ends in 0x00 in order to ensure that when there are two |
| strings where one is a prefix of the other that the shorter string will |
| sort first. |
| </p> |
| <h3>Binary Encoding</h3> |
| <p> |
| There are two encoding strategies for binary fields, referred to as |
| "BlobVar" and "BlobCopy". BlobVar is less efficient in both space and |
| encoding time. It has no limitations on the range of encoded values. |
| BlobCopy is a byte-for-byte copy of the input data followed by a |
| termination byte. It is extremely fast to encode and decode. It carries the |
| restriction of not allowing a 0x00 value in the input byte[] as this value |
| is used as the termination byte. |
| </p> |
| <h4>BlobVar</h4> |
| <p> |
| "BlobVar" encodes the input byte[] in a manner similar to a variable length |
| integer encoding. As with the other <code>OrderedBytes</code> encodings, |
| the first encoded byte is used to indicate what kind of value follows. This |
| header byte is 0x37 for BlobVar encoded values. As with the traditional |
| varint encoding, the most significant bit of each subsequent encoded |
| <code>byte</code> is used as a continuation marker. The 7 remaining bits |
| contain the 7 most significant bits of the first unencoded byte. The next |
| encoded byte starts with a continuation marker in the MSB. The least |
| significant bit from the first unencoded byte follows, and the remaining 6 |
| bits contain the 6 MSBs of the second unencoded byte. The encoding |
| continues, encoding 7 bytes on to 8 encoded bytes. The MSB of the final |
| encoded byte contains a termination marker rather than a continuation |
| marker, and any remaining bits from the final input byte. Any trailing bits |
| in the final encoded byte are zeros. |
| </p> |
| <h4>BlobCopy</h4> |
| <p> |
| "BlobCopy" is a simple byte-for-byte copy of the input data. It uses 0x38 |
| as the header byte, and is terminated by 0x00 in the DESCENDING case. This |
| alternative encoding is faster and more space-efficient, but it cannot |
| accept values containing a 0x00 byte in DESCENDING order. |
| </p> |
| <h3>Variable-length Numeric Encoding</h3> |
| <p> |
| Numeric values must be coded so as to sort in numeric order. We assume that |
| numeric values can be both integer and floating point values. Clients must |
| be careful to use inspection methods for encoded values (such as |
| <a href="../../../../../org/apache/hadoop/hbase/util/OrderedBytes.html#isNumericInfinite-org.apache.hadoop.hbase.util.PositionedByteRange-"><code>isNumericInfinite(PositionedByteRange)</code></a> and |
| <a href="../../../../../org/apache/hadoop/hbase/util/OrderedBytes.html#isNumericNaN-org.apache.hadoop.hbase.util.PositionedByteRange-"><code>isNumericNaN(PositionedByteRange)</code></a> to protect against decoding |
| values into object which do not support these numeric concepts (such as |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang"><code>Long</code></a> and <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math"><code>BigDecimal</code></a>). |
| </p> |
| <p> |
| Simplest cases first: If the numeric value is a NaN, then the encoding is a |
| single byte of 0x25. This causes NaN values to sort after every other |
| numeric value. |
| </p> |
| <p> |
| If the numeric value is a negative infinity then the encoding is a single |
| byte of 0x07. Since every other numeric value except NaN has a larger |
| initial byte, this encoding ensures that negative infinity will sort prior |
| to every other numeric value other than NaN. |
| </p> |
| <p> |
| If the numeric value is a positive infinity then the encoding is a single |
| byte of 0x23. Every other numeric value encoding begins with a smaller |
| byte, ensuring that positive infinity always sorts last among numeric |
| values. 0x23 is also smaller than 0x33, the initial byte of a text value, |
| ensuring that every numeric value sorts before every text value. |
| </p> |
| <p> |
| If the numeric value is exactly zero then it is encoded as a single byte of |
| 0x15. Finite negative values will have initial bytes of 0x08 through 0x14 |
| and finite positive values will have initial bytes of 0x16 through 0x22. |
| </p> |
| <p> |
| For all numeric values, we compute a mantissa M and an exponent E. The |
| mantissa is a base-100 representation of the value. The exponent E |
| determines where to put the decimal point. |
| </p> |
| <p> |
| Each centimal digit of the mantissa is stored in a byte. If the value of |
| the centimal digit is X (hence X≥0 and X≤99) then the byte value will |
| be 2*X+1 for every byte of the mantissa, except for the last byte which |
| will be 2*X+0. The mantissa must be the minimum number of bytes necessary |
| to represent the value; trailing X==0 digits are omitted. This means that |
| the mantissa will never contain a byte with the value 0x00. |
| </p> |
| <p> |
| If we assume all digits of the mantissa occur to the right of the decimal |
| point, then the exponent E is the power of one hundred by which one must |
| multiply the mantissa to recover the original value. |
| </p> |
| <p> |
| Values are classified as large, medium, or small according to the value of |
| E. If E is 11 or more, the value is large. For E between 0 and 10, the |
| value is medium. For E less than zero, the value is small. |
| </p> |
| <p> |
| Large positive values are encoded as a single byte 0x22 followed by E as a |
| varint and then M. Medium positive values are a single byte of 0x17+E |
| followed by M. Small positive values are encoded as a single byte 0x16 |
| followed by the ones-complement of the varint for -E followed by M. |
| </p> |
| <p> |
| Small negative values are encoded as a single byte 0x14 followed by -E as a |
| varint and then the ones-complement of M. Medium negative values are |
| encoded as a byte 0x13-E followed by the ones-complement of M. Large |
| negative values consist of the single byte 0x08 followed by the |
| ones-complement of the varint encoding of E followed by the ones-complement |
| of M. |
| </p> |
| <h3>Fixed-length Integer Encoding</h3> |
| <p> |
| All 4-byte integers are serialized to a 5-byte, fixed-width, sortable byte |
| format. All 8-byte integers are serialized to the equivelant 9-byte format. |
| Serialization is performed by writing a header byte, inverting the integer |
| sign bit and writing the resulting bytes to the byte array in big endian |
| order. |
| </p> |
| <h3>Fixed-length Floating Point Encoding</h3> |
| <p> |
| 32-bit and 64-bit floating point numbers are encoded to a 5-byte and 9-byte |
| encoding format, respectively. The format is identical, save for the |
| precision respected in each step of the operation. |
| <p> |
| This format ensures the following total ordering of floating point values: |
| Float.NEGATIVE_INFINITY < -Float.MAX_VALUE < ... < |
| -Float.MIN_VALUE < -0.0 < +0.0; < Float.MIN_VALUE < ... < |
| Float.MAX_VALUE < Float.POSITIVE_INFINITY < Float.NaN |
| </p> |
| <p> |
| Floating point numbers are encoded as specified in IEEE 754. A 32-bit |
| single precision float consists of a sign bit, 8-bit unsigned exponent |
| encoded in offset-127 notation, and a 23-bit significand. The format is |
| described further in the <a |
| href="http://en.wikipedia.org/wiki/Single_precision"> Single Precision |
| Floating Point Wikipedia page</a> |
| </p> |
| <p> |
| The value of a normal float is -1 <sup>sign bit</sup> × |
| 2<sup>exponent - 127</sup> × 1.significand |
| </p> |
| <p> |
| The IEE754 floating point format already preserves sort ordering for |
| positive floating point numbers when the raw bytes are compared in most |
| significant byte order. This is discussed further at <a href= |
| "http://www.cygnus-software.com/papers/comparingfloats/comparingfloats.htm"> |
| http://www.cygnus-software.com/papers/comparingfloats/comparingfloats.htm</a> |
| </p> |
| <p> |
| Thus, we need only ensure that negative numbers sort in the the exact |
| opposite order as positive numbers (so that say, negative infinity is less |
| than negative 1), and that all negative numbers compare less than any |
| positive number. To accomplish this, we invert the sign bit of all floating |
| point numbers, and we also invert the exponent and significand bits if the |
| floating point number was negative. |
| </p> |
| <p> |
| More specifically, we first store the floating point bits into a 32-bit int |
| <code>j</code> using <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Float.html?is-external=true#floatToIntBits-float-" title="class or interface in java.lang"><code>Float.floatToIntBits(float)</code></a>. This method collapses |
| all NaNs into a single, canonical NaN value but otherwise leaves the bits |
| unchanged. We then compute |
| </p> |
| |
| <pre> |
| j ˆ= (j >> (Integer.SIZE - 1)) | Integer.MIN_SIZE |
| </pre> |
| <p> |
| which inverts the sign bit and XOR's all other bits with the sign bit |
| itself. Comparing the raw bytes of <code>j</code> in most significant byte |
| order is equivalent to performing a single precision floating point |
| comparison on the underlying bits (ignoring NaN comparisons, as NaNs don't |
| compare equal to anything when performing floating point comparisons). |
| </p> |
| <p> |
| The resulting integer is then converted into a byte array by serializing |
| the integer one byte at a time in most significant byte order. The |
| serialized integer is prefixed by a single header byte. All serialized |
| values are 5 bytes in length. |
| </p> |
| <p> |
| <code>OrderedBytes</code> encodings are heavily influenced by the |
| <a href="http://sqlite.org/src4/doc/trunk/www/key_encoding.wiki">SQLite4 Key |
| Encoding</a>. Slight deviations are make in the interest of order |
| correctness and user extensibility. Fixed-width <code>Long</code> and |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang"><code>Double</code></a> encodings are based on implementations from the now defunct |
| Orderly library. |
| </p></div> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- =========== FIELD SUMMARY =========== --> |
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| <li class="blockList"><a name="field.summary"> |
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| </a> |
| <h3>Field Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation"> |
| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static byte</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/OrderedBytes.html#BLOB_COPY">BLOB_COPY</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private static byte</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/OrderedBytes.html#BLOB_VAR">BLOB_VAR</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/math/MathContext.html?is-external=true" title="class or interface in java.math">MathContext</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/OrderedBytes.html#DEFAULT_MATH_CONTEXT">DEFAULT_MATH_CONTEXT</a></span></code> |
| <div class="block">The context used to normalize <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math"><code>BigDecimal</code></a> values.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math">BigDecimal</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/OrderedBytes.html#E32">E32</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math">BigDecimal</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/OrderedBytes.html#E8">E8</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math">BigDecimal</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/OrderedBytes.html#EN10">EN10</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math">BigDecimal</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/OrderedBytes.html#EN2">EN2</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private static byte</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/OrderedBytes.html#FIXED_FLOAT32">FIXED_FLOAT32</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static byte</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/OrderedBytes.html#FIXED_FLOAT64">FIXED_FLOAT64</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private static byte</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/OrderedBytes.html#FIXED_INT16">FIXED_INT16</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static byte</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/OrderedBytes.html#FIXED_INT32">FIXED_INT32</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private static byte</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/OrderedBytes.html#FIXED_INT64">FIXED_INT64</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static byte</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/OrderedBytes.html#FIXED_INT8">FIXED_INT8</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/OrderedBytes.html#MAX_PRECISION">MAX_PRECISION</a></span></code> |
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| <td class="colFirst"><code>static double</code></td> |
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| <td class="colFirst"><code>static int</code></td> |
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| <td class="colFirst"><code>static long</code></td> |
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| <td class="colFirst"><code>static double</code></td> |
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| <td class="colFirst"><code>static long</code></td> |
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| <td class="colFirst"><code>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math">BigDecimal</a></code></td> |
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| <div class="block">Decode a <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math"><code>BigDecimal</code></a> from <code>src</code>.</div> |
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| <td class="colFirst"><code>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math">BigDecimal</a></code></td> |
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| int e, |
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| <td class="colFirst"><code>static <a href="https://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> |
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| <td class="colFirst"><code>static int</code></td> |
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| byte[] val, |
| int voff, |
| int vlen, |
| <a href="../../../../../org/apache/hadoop/hbase/util/Order.html" title="enum in org.apache.hadoop.hbase.util">Order</a> ord)</code> |
| <div class="block">Encode a Blob value as a byte-for-byte copy.</div> |
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| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/OrderedBytes.html#encodeBlobCopy-org.apache.hadoop.hbase.util.PositionedByteRange-byte:A-org.apache.hadoop.hbase.util.Order-">encodeBlobCopy</a></span>(<a href="../../../../../org/apache/hadoop/hbase/util/PositionedByteRange.html" title="interface in org.apache.hadoop.hbase.util">PositionedByteRange</a> dst, |
| byte[] val, |
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| <div class="block">Encode a Blob value as a byte-for-byte copy.</div> |
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| <td class="colFirst"><code>static int</code></td> |
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| byte[] val, |
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| <div class="block">Encode a Blob value using a modified varint encoding scheme.</div> |
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| <td class="colFirst"><code>static int</code></td> |
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| byte[] val, |
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| <td class="colFirst"><code>static int</code></td> |
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| float val, |
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| <div class="block">Encode a 32-bit floating point value using the fixed-length encoding.</div> |
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| <td class="colFirst"><code>static int</code></td> |
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| double val, |
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| <td class="colFirst"><code>static int</code></td> |
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| short val, |
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| <td class="colFirst"><code>static int</code></td> |
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| int val, |
| <a href="../../../../../org/apache/hadoop/hbase/util/Order.html" title="enum in org.apache.hadoop.hbase.util">Order</a> ord)</code> |
| <div class="block">Encode an <code>int32</code> value using the fixed-length encoding.</div> |
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| <td class="colFirst"><code>static int</code></td> |
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| long val, |
| <a href="../../../../../org/apache/hadoop/hbase/util/Order.html" title="enum in org.apache.hadoop.hbase.util">Order</a> ord)</code> |
| <div class="block">Encode an <code>int64</code> value using the fixed-length encoding.</div> |
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| <td class="colFirst"><code>static int</code></td> |
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| <td class="colFirst"><code>static int</code></td> |
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| <tr id="i29" class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
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| <tr id="i30" class="altColor"> |
| <td class="colFirst"><code>private static int</code></td> |
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| <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math">BigDecimal</a> val)</code> |
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| <tr id="i31" class="rowColor"> |
| <td class="colFirst"><code>private static int</code></td> |
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| <td class="colFirst"><code>(package private) static long</code></td> |
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| <td class="colFirst"><code>static boolean</code></td> |
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| <td class="colFirst"><code>static boolean</code></td> |
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| <div class="block">Return true when the next encoded value in <code>src</code> uses fixed-width |
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| <td class="colFirst"><code>static boolean</code></td> |
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| <div class="block">Return true when the next encoded value in <code>src</code> uses fixed-width |
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| <td class="colFirst"><code>static boolean</code></td> |
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| <td class="colFirst"><code>static boolean</code></td> |
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| <td class="colFirst"><code>static boolean</code></td> |
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| <div class="block">Return true when the next encoded value in <code>src</code> uses Numeric |
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| <td class="colFirst"><code>static boolean</code></td> |
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| <td class="colFirst"><code>static boolean</code></td> |
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| <td class="colFirst"><code>static int</code></td> |
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| <td class="colFirst"><code>(package private) static int</code></td> |
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| boolean comp)</code> |
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| <td class="colFirst"><code>(package private) static <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math">BigDecimal</a></code></td> |
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| <td class="colFirst"><code>private static int</code></td> |
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| <td class="colFirst"><code>(package private) static int</code></td> |
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| long val, |
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| <td class="colFirst"><code>static int</code></td> |
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| <td class="colFirst"><code>private static int</code></td> |
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| <td class="colFirst"><code>(package private) static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/OrderedBytes.html#skipVaruint64-org.apache.hadoop.hbase.util.PositionedByteRange-boolean-">skipVaruint64</a></span>(<a href="../../../../../org/apache/hadoop/hbase/util/PositionedByteRange.html" title="interface in org.apache.hadoop.hbase.util">PositionedByteRange</a> src, |
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| <td class="colFirst"><code>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code></td> |
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| <td class="colFirst"><code>private static int</code></td> |
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| <dd><code>val</code> - The value to write.</dd> |
| <dd><code>comp</code> - Compliment the encoded value when <code>comp</code> is true.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>number of bytes written.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="lengthVaruint64-org.apache.hadoop.hbase.util.PositionedByteRange-boolean-"> |
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| </a> |
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| <h4>lengthVaruint64</h4> |
| <pre>static int <a href="../../../../../src-html/org/apache/hadoop/hbase/util/OrderedBytes.html#line.457">lengthVaruint64</a>(<a href="../../../../../org/apache/hadoop/hbase/util/PositionedByteRange.html" title="interface in org.apache.hadoop.hbase.util">PositionedByteRange</a> src, |
| boolean comp)</pre> |
| <div class="block">Inspect <code>src</code> for an encoded varuint64 for its length in bytes. |
| Preserves the state of <code>src</code>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>src</code> - source buffer</dd> |
| <dd><code>comp</code> - if true, parse the compliment of the value.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the number of bytes consumed by this value.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="skipVaruint64-org.apache.hadoop.hbase.util.PositionedByteRange-boolean-"> |
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| <pre>static int <a href="../../../../../src-html/org/apache/hadoop/hbase/util/OrderedBytes.html#line.477">skipVaruint64</a>(<a href="../../../../../org/apache/hadoop/hbase/util/PositionedByteRange.html" title="interface in org.apache.hadoop.hbase.util">PositionedByteRange</a> src, |
| boolean cmp)</pre> |
| <div class="block">Skip <code>src</code> over the encoded varuint64.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>src</code> - source buffer</dd> |
| <dd><code>cmp</code> - if true, parse the compliment of the value.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the number of bytes skipped.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getVaruint64-org.apache.hadoop.hbase.util.PositionedByteRange-boolean-"> |
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| <h4>getVaruint64</h4> |
| <pre>static long <a href="../../../../../src-html/org/apache/hadoop/hbase/util/OrderedBytes.html#line.488">getVaruint64</a>(<a href="../../../../../org/apache/hadoop/hbase/util/PositionedByteRange.html" title="interface in org.apache.hadoop.hbase.util">PositionedByteRange</a> src, |
| boolean comp)</pre> |
| <div class="block">Decode a sequence of bytes in <code>src</code> as a varuint64. Compliment the |
| encoded value when <code>comp</code> is true.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the decoded value.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="normalize-java.math.BigDecimal-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>normalize</h4> |
| <pre>static <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math">BigDecimal</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/util/OrderedBytes.html#line.544">normalize</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math">BigDecimal</a> val)</pre> |
| <div class="block">Strip all trailing zeros to ensure that no digit will be zero and round |
| using our default context to ensure precision doesn't exceed max allowed. |
| From Phoenix's <code>NumberUtil</code>.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>new <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math"><code>BigDecimal</code></a> instance</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="decodeSignificand-org.apache.hadoop.hbase.util.PositionedByteRange-int-boolean-"> |
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| <h4>decodeSignificand</h4> |
| <pre>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math">BigDecimal</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/util/OrderedBytes.html#line.558">decodeSignificand</a>(<a href="../../../../../org/apache/hadoop/hbase/util/PositionedByteRange.html" title="interface in org.apache.hadoop.hbase.util">PositionedByteRange</a> src, |
| int e, |
| boolean comp)</pre> |
| <div class="block">Read significand digits from <code>src</code> according to the magnitude |
| of <code>e</code>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>src</code> - The source from which to read encoded digits.</dd> |
| <dd><code>e</code> - The magnitude of the first digit read.</dd> |
| <dd><code>comp</code> - Treat encoded bytes as compliments when <code>comp</code> is true.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The decoded value.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - when read exceeds the remaining length |
| of <code>src</code>.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="skipSignificand-org.apache.hadoop.hbase.util.PositionedByteRange-boolean-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>skipSignificand</h4> |
| <pre>private static int <a href="../../../../../src-html/org/apache/hadoop/hbase/util/OrderedBytes.html#line.593">skipSignificand</a>(<a href="../../../../../org/apache/hadoop/hbase/util/PositionedByteRange.html" title="interface in org.apache.hadoop.hbase.util">PositionedByteRange</a> src, |
| boolean comp)</pre> |
| <div class="block">Skip <code>src</code> over the significand bytes.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>src</code> - The source from which to read encoded digits.</dd> |
| <dd><code>comp</code> - Treat encoded bytes as compliments when <code>comp</code> is true.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the number of bytes skipped.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="encodeNumericSmall-org.apache.hadoop.hbase.util.PositionedByteRange-java.math.BigDecimal-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>encodeNumericSmall</h4> |
| <pre>private static int <a href="../../../../../src-html/org/apache/hadoop/hbase/util/OrderedBytes.html#line.627">encodeNumericSmall</a>(<a href="../../../../../org/apache/hadoop/hbase/util/PositionedByteRange.html" title="interface in org.apache.hadoop.hbase.util">PositionedByteRange</a> dst, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math">BigDecimal</a> val)</pre> |
| <div class="block"><p> |
| Encode the small magnitude floating point number <code>val</code> using the |
| key encoding. The caller guarantees that 1.0 > abs(val) > 0.0. |
| </p> |
| <p> |
| A floating point value is encoded as an integer exponent <code>E</code> and a |
| mantissa <code>M</code>. The original value is equal to <code>(M * 100^E)</code>. |
| <code>E</code> is set to the smallest value possible without making <code>M</code> |
| greater than or equal to 1.0. |
| </p> |
| <p> |
| For this routine, <code>E</code> will always be zero or negative, since the |
| original value is less than one. The encoding written by this routine is |
| the ones-complement of the varint of the negative of <code>E</code> followed |
| by the mantissa: |
| <pre> |
| Encoding: ~-E M |
| </pre> |
| </p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>dst</code> - The destination to which encoded digits are written.</dd> |
| <dd><code>val</code> - The value to encode.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the number of bytes written.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="encodeNumericLarge-org.apache.hadoop.hbase.util.PositionedByteRange-java.math.BigDecimal-"> |
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| </a> |
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| <h4>encodeNumericLarge</h4> |
| <pre>private static int <a href="../../../../../src-html/org/apache/hadoop/hbase/util/OrderedBytes.html#line.704">encodeNumericLarge</a>(<a href="../../../../../org/apache/hadoop/hbase/util/PositionedByteRange.html" title="interface in org.apache.hadoop.hbase.util">PositionedByteRange</a> dst, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math">BigDecimal</a> val)</pre> |
| <div class="block">Encode the large magnitude floating point number <code>val</code> using |
| the key encoding. The caller guarantees that <code>val</code> will be |
| finite and abs(val) >= 1.0. |
| <p> |
| A floating point value is encoded as an integer exponent <code>E</code> |
| and a mantissa <code>M</code>. The original value is equal to |
| <code>(M * 100^E)</code>. <code>E</code> is set to the smallest value |
| possible without making <code>M</code> greater than or equal to 1.0. |
| </p> |
| <p> |
| Each centimal digit of the mantissa is stored in a byte. If the value of |
| the centimal digit is <code>X</code> (hence <code>X>=0</code> and |
| <code>X<=99</code>) then the byte value will be <code>2*X+1</code> for |
| every byte of the mantissa, except for the last byte which will be |
| <code>2*X+0</code>. The mantissa must be the minimum number of bytes |
| necessary to represent the value; trailing <code>X==0</code> digits are |
| omitted. This means that the mantissa will never contain a byte with the |
| value <code>0x00</code>. |
| </p> |
| <p> |
| If <code>E > 10</code>, then this routine writes of <code>E</code> as a |
| varint followed by the mantissa as described above. Otherwise, if |
| <code>E <= 10</code>, this routine only writes the mantissa and leaves |
| the <code>E</code> value to be encoded as part of the opening byte of the |
| field by the calling function. |
| |
| <pre> |
| Encoding: M (if E<=10) |
| E M (if E>10) |
| </pre> |
| </p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>dst</code> - The destination to which encoded digits are written.</dd> |
| <dd><code>val</code> - The value to encode.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the number of bytes written.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="encodeNumeric-org.apache.hadoop.hbase.util.PositionedByteRange-long-org.apache.hadoop.hbase.util.Order-"> |
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| <h4>encodeNumeric</h4> |
| <pre>public static int <a href="../../../../../src-html/org/apache/hadoop/hbase/util/OrderedBytes.html#line.760">encodeNumeric</a>(<a href="../../../../../org/apache/hadoop/hbase/util/PositionedByteRange.html" title="interface in org.apache.hadoop.hbase.util">PositionedByteRange</a> dst, |
| long val, |
| <a href="../../../../../org/apache/hadoop/hbase/util/Order.html" title="enum in org.apache.hadoop.hbase.util">Order</a> ord)</pre> |
| <div class="block">Encode a numerical value using the variable-length encoding.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>dst</code> - The destination to which encoded digits are written.</dd> |
| <dd><code>val</code> - The value to encode.</dd> |
| <dd><code>ord</code> - The <a href="../../../../../org/apache/hadoop/hbase/util/Order.html" title="enum in org.apache.hadoop.hbase.util"><code>Order</code></a> to respect while encoding <code>val</code>.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the number of bytes written.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="encodeNumeric-org.apache.hadoop.hbase.util.PositionedByteRange-double-org.apache.hadoop.hbase.util.Order-"> |
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| <h4>encodeNumeric</h4> |
| <pre>public static int <a href="../../../../../src-html/org/apache/hadoop/hbase/util/OrderedBytes.html#line.771">encodeNumeric</a>(<a href="../../../../../org/apache/hadoop/hbase/util/PositionedByteRange.html" title="interface in org.apache.hadoop.hbase.util">PositionedByteRange</a> dst, |
| double val, |
| <a href="../../../../../org/apache/hadoop/hbase/util/Order.html" title="enum in org.apache.hadoop.hbase.util">Order</a> ord)</pre> |
| <div class="block">Encode a numerical value using the variable-length encoding.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>dst</code> - The destination to which encoded digits are written.</dd> |
| <dd><code>val</code> - The value to encode.</dd> |
| <dd><code>ord</code> - The <a href="../../../../../org/apache/hadoop/hbase/util/Order.html" title="enum in org.apache.hadoop.hbase.util"><code>Order</code></a> to respect while encoding <code>val</code>.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the number of bytes written.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="encodeNumeric-org.apache.hadoop.hbase.util.PositionedByteRange-java.math.BigDecimal-org.apache.hadoop.hbase.util.Order-"> |
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| <h4>encodeNumeric</h4> |
| <pre>public static int <a href="../../../../../src-html/org/apache/hadoop/hbase/util/OrderedBytes.html#line.798">encodeNumeric</a>(<a href="../../../../../org/apache/hadoop/hbase/util/PositionedByteRange.html" title="interface in org.apache.hadoop.hbase.util">PositionedByteRange</a> dst, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math">BigDecimal</a> val, |
| <a href="../../../../../org/apache/hadoop/hbase/util/Order.html" title="enum in org.apache.hadoop.hbase.util">Order</a> ord)</pre> |
| <div class="block">Encode a numerical value using the variable-length encoding.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>dst</code> - The destination to which encoded digits are written.</dd> |
| <dd><code>val</code> - The value to encode.</dd> |
| <dd><code>ord</code> - The <a href="../../../../../org/apache/hadoop/hbase/util/Order.html" title="enum in org.apache.hadoop.hbase.util"><code>Order</code></a> to respect while encoding <code>val</code>.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the number of bytes written.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="decodeNumericValue-org.apache.hadoop.hbase.util.PositionedByteRange-"> |
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| <ul class="blockList"> |
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| <h4>decodeNumericValue</h4> |
| <pre>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math">BigDecimal</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/util/OrderedBytes.html#line.823">decodeNumericValue</a>(<a href="../../../../../org/apache/hadoop/hbase/util/PositionedByteRange.html" title="interface in org.apache.hadoop.hbase.util">PositionedByteRange</a> src)</pre> |
| <div class="block">Decode a <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math"><code>BigDecimal</code></a> from <code>src</code>. Assumes <code>src</code> encodes |
| a value in Numeric encoding and is within the valid range of |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math"><code>BigDecimal</code></a> values. <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math"><code>BigDecimal</code></a> does not support <code>NaN</code> |
| or <code>Infinte</code> values.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/util/OrderedBytes.html#decodeNumericAsDouble-org.apache.hadoop.hbase.util.PositionedByteRange-"><code>decodeNumericAsDouble(PositionedByteRange)</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="decodeNumericAsDouble-org.apache.hadoop.hbase.util.PositionedByteRange-"> |
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| <h4>decodeNumericAsDouble</h4> |
| <pre>public static double <a href="../../../../../src-html/org/apache/hadoop/hbase/util/OrderedBytes.html#line.873">decodeNumericAsDouble</a>(<a href="../../../../../org/apache/hadoop/hbase/util/PositionedByteRange.html" title="interface in org.apache.hadoop.hbase.util">PositionedByteRange</a> src)</pre> |
| <div class="block">Decode a primitive <code>double</code> value from the Numeric encoding. Numeric |
| encoding is based on <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math"><code>BigDecimal</code></a>; in the event the encoded value is |
| larger than can be represented in a <code>double</code>, this method performs |
| an implicit narrowing conversion as described in |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true#doubleValue--" title="class or interface in java.math"><code>BigDecimal.doubleValue()</code></a>.</div> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - when the encoded value is <code>NULL</code>.</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - when the encoded value is not a Numeric.</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/util/OrderedBytes.html#encodeNumeric-org.apache.hadoop.hbase.util.PositionedByteRange-double-org.apache.hadoop.hbase.util.Order-"><code>encodeNumeric(PositionedByteRange, double, Order)</code></a>, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true#doubleValue--" title="class or interface in java.math"><code>BigDecimal.doubleValue()</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="decodeNumericAsLong-org.apache.hadoop.hbase.util.PositionedByteRange-"> |
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| </a> |
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| <h4>decodeNumericAsLong</h4> |
| <pre>public static long <a href="../../../../../src-html/org/apache/hadoop/hbase/util/OrderedBytes.html#line.911">decodeNumericAsLong</a>(<a href="../../../../../org/apache/hadoop/hbase/util/PositionedByteRange.html" title="interface in org.apache.hadoop.hbase.util">PositionedByteRange</a> src)</pre> |
| <div class="block">Decode a primitive <code>long</code> value from the Numeric encoding. Numeric |
| encoding is based on <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math"><code>BigDecimal</code></a>; in the event the encoded value is |
| larger than can be represented in a <code>long</code>, this method performs an |
| implicit narrowing conversion as described in |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true#doubleValue--" title="class or interface in java.math"><code>BigDecimal.doubleValue()</code></a>.</div> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - when the encoded value is <code>NULL</code>.</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - when the encoded value is not a Numeric.</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/util/OrderedBytes.html#encodeNumeric-org.apache.hadoop.hbase.util.PositionedByteRange-long-org.apache.hadoop.hbase.util.Order-"><code>encodeNumeric(PositionedByteRange, long, Order)</code></a>, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true#longValue--" title="class or interface in java.math"><code>BigDecimal.longValue()</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="decodeNumericAsBigDecimal-org.apache.hadoop.hbase.util.PositionedByteRange-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>decodeNumericAsBigDecimal</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math">BigDecimal</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/util/OrderedBytes.html#line.930">decodeNumericAsBigDecimal</a>(<a href="../../../../../org/apache/hadoop/hbase/util/PositionedByteRange.html" title="interface in org.apache.hadoop.hbase.util">PositionedByteRange</a> src)</pre> |
| <div class="block">Decode a <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math"><code>BigDecimal</code></a> value from the variable-length encoding.</div> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - when the encoded value is not a Numeric.</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/util/OrderedBytes.html#encodeNumeric-org.apache.hadoop.hbase.util.PositionedByteRange-java.math.BigDecimal-org.apache.hadoop.hbase.util.Order-"><code>encodeNumeric(PositionedByteRange, BigDecimal, Order)</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="encodeString-org.apache.hadoop.hbase.util.PositionedByteRange-java.lang.String-org.apache.hadoop.hbase.util.Order-"> |
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| <h4>encodeString</h4> |
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| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> val, |
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| <dt><span class="returnLabel">Returns:</span></dt> |
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| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
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| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/util/OrderedBytes.html#decodeFloat32-org.apache.hadoop.hbase.util.PositionedByteRange-"><code>decodeFloat32(PositionedByteRange)</code></a>, |
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| <dt><span class="seeLabel">See Also:</span></dt> |
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| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the number of bytes written.</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/util/OrderedBytes.html#decodeFloat64-org.apache.hadoop.hbase.util.PositionedByteRange-"><code>decodeFloat64(PositionedByteRange)</code></a></dd> |
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| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
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