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From dimaspi...@apache.org
Subject [37/52] [partial] hbase-site git commit: Published site at 56be3ac7c8d203710f844cd799f2fa3496f0515a.
Date Fri, 16 Sep 2016 01:57:37 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f55baeba/apidocs/src-html/org/apache/hadoop/hbase/client/Scan.html
----------------------------------------------------------------------
diff --git a/apidocs/src-html/org/apache/hadoop/hbase/client/Scan.html b/apidocs/src-html/org/apache/hadoop/hbase/client/Scan.html
index b8a3b16..c8ad36b 100644
--- a/apidocs/src-html/org/apache/hadoop/hbase/client/Scan.html
+++ b/apidocs/src-html/org/apache/hadoop/hbase/client/Scan.html
@@ -381,625 +381,641 @@
 <span class="sourceLineNo">373</span>   * next closest row after the specified row.<a name="line.373"></a>
 <span class="sourceLineNo">374</span>   * @param startRow row to start scanner at or after<a name="line.374"></a>
 <span class="sourceLineNo">375</span>   * @return this<a name="line.375"></a>
-<span class="sourceLineNo">376</span>   */<a name="line.376"></a>
-<span class="sourceLineNo">377</span>  public Scan setStartRow(byte [] startRow) {<a name="line.377"></a>
-<span class="sourceLineNo">378</span>    this.startRow = startRow;<a name="line.378"></a>
-<span class="sourceLineNo">379</span>    return this;<a name="line.379"></a>
-<span class="sourceLineNo">380</span>  }<a name="line.380"></a>
-<span class="sourceLineNo">381</span><a name="line.381"></a>
-<span class="sourceLineNo">382</span>  /**<a name="line.382"></a>
-<span class="sourceLineNo">383</span>   * Set the stop row of the scan.<a name="line.383"></a>
-<span class="sourceLineNo">384</span>   * @param stopRow row to end at (exclusive)<a name="line.384"></a>
-<span class="sourceLineNo">385</span>   * &lt;p&gt;<a name="line.385"></a>
-<span class="sourceLineNo">386</span>   * The scan will include rows that are lexicographically less than<a name="line.386"></a>
-<span class="sourceLineNo">387</span>   * the provided stopRow.<a name="line.387"></a>
-<span class="sourceLineNo">388</span>   * &lt;p&gt;&lt;b&gt;Note:&lt;/b&gt; When doing a filter for a rowKey &lt;u&gt;Prefix&lt;/u&gt;<a name="line.388"></a>
-<span class="sourceLineNo">389</span>   * use {@link #setRowPrefixFilter(byte[])}.<a name="line.389"></a>
-<span class="sourceLineNo">390</span>   * The 'trailing 0' will not yield the desired result.&lt;/p&gt;<a name="line.390"></a>
-<span class="sourceLineNo">391</span>   * @return this<a name="line.391"></a>
-<span class="sourceLineNo">392</span>   */<a name="line.392"></a>
-<span class="sourceLineNo">393</span>  public Scan setStopRow(byte [] stopRow) {<a name="line.393"></a>
-<span class="sourceLineNo">394</span>    this.stopRow = stopRow;<a name="line.394"></a>
-<span class="sourceLineNo">395</span>    return this;<a name="line.395"></a>
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-<span class="sourceLineNo">397</span><a name="line.397"></a>
-<span class="sourceLineNo">398</span>  /**<a name="line.398"></a>
-<span class="sourceLineNo">399</span>   * &lt;p&gt;Set a filter (using stopRow and startRow) so the result set only contains rows where the<a name="line.399"></a>
-<span class="sourceLineNo">400</span>   * rowKey starts with the specified prefix.&lt;/p&gt;<a name="line.400"></a>
-<span class="sourceLineNo">401</span>   * &lt;p&gt;This is a utility method that converts the desired rowPrefix into the appropriate values<a name="line.401"></a>
-<span class="sourceLineNo">402</span>   * for the startRow and stopRow to achieve the desired result.&lt;/p&gt;<a name="line.402"></a>
-<span class="sourceLineNo">403</span>   * &lt;p&gt;This can safely be used in combination with setFilter.&lt;/p&gt;<a name="line.403"></a>
-<span class="sourceLineNo">404</span>   * &lt;p&gt;&lt;b&gt;NOTE: Doing a {@link #setStartRow(byte[])} and/or {@link #setStopRow(byte[])}<a name="line.404"></a>
-<span class="sourceLineNo">405</span>   * after this method will yield undefined results.&lt;/b&gt;&lt;/p&gt;<a name="line.405"></a>
-<span class="sourceLineNo">406</span>   * @param rowPrefix the prefix all rows must start with. (Set &lt;i&gt;null&lt;/i&gt; to remove the filter.)<a name="line.406"></a>
-<span class="sourceLineNo">407</span>   * @return this<a name="line.407"></a>
-<span class="sourceLineNo">408</span>   */<a name="line.408"></a>
-<span class="sourceLineNo">409</span>  public Scan setRowPrefixFilter(byte[] rowPrefix) {<a name="line.409"></a>
-<span class="sourceLineNo">410</span>    if (rowPrefix == null) {<a name="line.410"></a>
-<span class="sourceLineNo">411</span>      setStartRow(HConstants.EMPTY_START_ROW);<a name="line.411"></a>
-<span class="sourceLineNo">412</span>      setStopRow(HConstants.EMPTY_END_ROW);<a name="line.412"></a>
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-<span class="sourceLineNo">415</span>      this.setStopRow(calculateTheClosestNextRowKeyForPrefix(rowPrefix));<a name="line.415"></a>
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-<span class="sourceLineNo">417</span>    return this;<a name="line.417"></a>
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-<span class="sourceLineNo">420</span>  /**<a name="line.420"></a>
-<span class="sourceLineNo">421</span>   * &lt;p&gt;When scanning for a prefix the scan should stop immediately after the the last row that<a name="line.421"></a>
-<span class="sourceLineNo">422</span>   * has the specified prefix. This method calculates the closest next rowKey immediately following<a name="line.422"></a>
-<span class="sourceLineNo">423</span>   * the given rowKeyPrefix.&lt;/p&gt;<a name="line.423"></a>
-<span class="sourceLineNo">424</span>   * &lt;p&gt;&lt;b&gt;IMPORTANT: This converts a rowKey&lt;u&gt;Prefix&lt;/u&gt; into a rowKey&lt;/b&gt;.&lt;/p&gt;<a name="line.424"></a>
-<span class="sourceLineNo">425</span>   * &lt;p&gt;If the prefix is an 'ASCII' string put into a byte[] then this is easy because you can<a name="line.425"></a>
-<span class="sourceLineNo">426</span>   * simply increment the last byte of the array.<a name="line.426"></a>
-<span class="sourceLineNo">427</span>   * But if your application uses real binary rowids you may run into the scenario that your<a name="line.427"></a>
-<span class="sourceLineNo">428</span>   * prefix is something like:&lt;/p&gt;<a name="line.428"></a>
-<span class="sourceLineNo">429</span>   * &amp;nbsp;&amp;nbsp;&amp;nbsp;&lt;b&gt;{ 0x12, 0x23, 0xFF, 0xFF }&lt;/b&gt;&lt;br/&gt;<a name="line.429"></a>
-<span class="sourceLineNo">430</span>   * Then this stopRow needs to be fed into the actual scan&lt;br/&gt;<a name="line.430"></a>
-<span class="sourceLineNo">431</span>   * &amp;nbsp;&amp;nbsp;&amp;nbsp;&lt;b&gt;{ 0x12, 0x24 }&lt;/b&gt; (Notice that it is shorter now)&lt;br/&gt;<a name="line.431"></a>
-<span class="sourceLineNo">432</span>   * This method calculates the correct stop row value for this usecase.<a name="line.432"></a>
-<span class="sourceLineNo">433</span>   *<a name="line.433"></a>
-<span class="sourceLineNo">434</span>   * @param rowKeyPrefix the rowKey&lt;u&gt;Prefix&lt;/u&gt;.<a name="line.434"></a>
-<span class="sourceLineNo">435</span>   * @return the closest next rowKey immediately following the given rowKeyPrefix.<a name="line.435"></a>
-<span class="sourceLineNo">436</span>   */<a name="line.436"></a>
-<span class="sourceLineNo">437</span>  private byte[] calculateTheClosestNextRowKeyForPrefix(byte[] rowKeyPrefix) {<a name="line.437"></a>
-<span class="sourceLineNo">438</span>    // Essentially we are treating it like an 'unsigned very very long' and doing +1 manually.<a name="line.438"></a>
-<span class="sourceLineNo">439</span>    // Search for the place where the trailing 0xFFs start<a name="line.439"></a>
-<span class="sourceLineNo">440</span>    int offset = rowKeyPrefix.length;<a name="line.440"></a>
-<span class="sourceLineNo">441</span>    while (offset &gt; 0) {<a name="line.441"></a>
-<span class="sourceLineNo">442</span>      if (rowKeyPrefix[offset - 1] != (byte) 0xFF) {<a name="line.442"></a>
-<span class="sourceLineNo">443</span>        break;<a name="line.443"></a>
-<span class="sourceLineNo">444</span>      }<a name="line.444"></a>
-<span class="sourceLineNo">445</span>      offset--;<a name="line.445"></a>
-<span class="sourceLineNo">446</span>    }<a name="line.446"></a>
-<span class="sourceLineNo">447</span><a name="line.447"></a>
-<span class="sourceLineNo">448</span>    if (offset == 0) {<a name="line.448"></a>
-<span class="sourceLineNo">449</span>      // We got an 0xFFFF... (only FFs) stopRow value which is<a name="line.449"></a>
-<span class="sourceLineNo">450</span>      // the last possible prefix before the end of the table.<a name="line.450"></a>
-<span class="sourceLineNo">451</span>      // So set it to stop at the 'end of the table'<a name="line.451"></a>
-<span class="sourceLineNo">452</span>      return HConstants.EMPTY_END_ROW;<a name="line.452"></a>
-<span class="sourceLineNo">453</span>    }<a name="line.453"></a>
-<span class="sourceLineNo">454</span><a name="line.454"></a>
-<span class="sourceLineNo">455</span>    // Copy the right length of the original<a name="line.455"></a>
-<span class="sourceLineNo">456</span>    byte[] newStopRow = Arrays.copyOfRange(rowKeyPrefix, 0, offset);<a name="line.456"></a>
-<span class="sourceLineNo">457</span>    // And increment the last one<a name="line.457"></a>
-<span class="sourceLineNo">458</span>    newStopRow[newStopRow.length - 1]++;<a name="line.458"></a>
-<span class="sourceLineNo">459</span>    return newStopRow;<a name="line.459"></a>
-<span class="sourceLineNo">460</span>  }<a name="line.460"></a>
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-<span class="sourceLineNo">462</span>  /**<a name="line.462"></a>
-<span class="sourceLineNo">463</span>   * Get all available versions.<a name="line.463"></a>
-<span class="sourceLineNo">464</span>   * @return this<a name="line.464"></a>
-<span class="sourceLineNo">465</span>   */<a name="line.465"></a>
-<span class="sourceLineNo">466</span>  public Scan setMaxVersions() {<a name="line.466"></a>
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-<span class="sourceLineNo">468</span>    return this;<a name="line.468"></a>
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+<span class="sourceLineNo">376</span>   * @throws IllegalArgumentException if startRow does not meet criteria<a name="line.376"></a>
+<span class="sourceLineNo">377</span>   * for a row key (when length exceeds {@link HConstants#MAX_ROW_LENGTH})<a name="line.377"></a>
+<span class="sourceLineNo">378</span>   */<a name="line.378"></a>
+<span class="sourceLineNo">379</span>  public Scan setStartRow(byte [] startRow) {<a name="line.379"></a>
+<span class="sourceLineNo">380</span>    if (Bytes.len(startRow) &gt; HConstants.MAX_ROW_LENGTH) {<a name="line.380"></a>
+<span class="sourceLineNo">381</span>      throw new IllegalArgumentException(<a name="line.381"></a>
+<span class="sourceLineNo">382</span>        "startRow's length must be less than or equal to " +<a name="line.382"></a>
+<span class="sourceLineNo">383</span>        HConstants.MAX_ROW_LENGTH + " to meet the criteria" +<a name="line.383"></a>
+<span class="sourceLineNo">384</span>        " for a row key.");<a name="line.384"></a>
+<span class="sourceLineNo">385</span>    }<a name="line.385"></a>
+<span class="sourceLineNo">386</span>    this.startRow = startRow;<a name="line.386"></a>
+<span class="sourceLineNo">387</span>    return this;<a name="line.387"></a>
+<span class="sourceLineNo">388</span>  }<a name="line.388"></a>
+<span class="sourceLineNo">389</span><a name="line.389"></a>
+<span class="sourceLineNo">390</span>  /**<a name="line.390"></a>
+<span class="sourceLineNo">391</span>   * Set the stop row of the scan.<a name="line.391"></a>
+<span class="sourceLineNo">392</span>   * @param stopRow row to end at (exclusive)<a name="line.392"></a>
+<span class="sourceLineNo">393</span>   * &lt;p&gt;<a name="line.393"></a>
+<span class="sourceLineNo">394</span>   * The scan will include rows that are lexicographically less than<a name="line.394"></a>
+<span class="sourceLineNo">395</span>   * the provided stopRow.<a name="line.395"></a>
+<span class="sourceLineNo">396</span>   * &lt;p&gt;&lt;b&gt;Note:&lt;/b&gt; When doing a filter for a rowKey &lt;u&gt;Prefix&lt;/u&gt;<a name="line.396"></a>
+<span class="sourceLineNo">397</span>   * use {@link #setRowPrefixFilter(byte[])}.<a name="line.397"></a>
+<span class="sourceLineNo">398</span>   * The 'trailing 0' will not yield the desired result.&lt;/p&gt;<a name="line.398"></a>
+<span class="sourceLineNo">399</span>   * @return this<a name="line.399"></a>
+<span class="sourceLineNo">400</span>   * @throws IllegalArgumentException if stopRow does not meet criteria<a name="line.400"></a>
+<span class="sourceLineNo">401</span>   * for a row key (when length exceeds {@link HConstants#MAX_ROW_LENGTH})<a name="line.401"></a>
+<span class="sourceLineNo">402</span>   */<a name="line.402"></a>
+<span class="sourceLineNo">403</span>  public Scan setStopRow(byte [] stopRow) {<a name="line.403"></a>
+<span class="sourceLineNo">404</span>    if (Bytes.len(stopRow) &gt; HConstants.MAX_ROW_LENGTH) {<a name="line.404"></a>
+<span class="sourceLineNo">405</span>      throw new IllegalArgumentException(<a name="line.405"></a>
+<span class="sourceLineNo">406</span>        "stopRow's length must be less than or equal to " +<a name="line.406"></a>
+<span class="sourceLineNo">407</span>        HConstants.MAX_ROW_LENGTH + " to meet the criteria" +<a name="line.407"></a>
+<span class="sourceLineNo">408</span>        " for a row key.");<a name="line.408"></a>
+<span class="sourceLineNo">409</span>    }<a name="line.409"></a>
+<span class="sourceLineNo">410</span>    this.stopRow = stopRow;<a name="line.410"></a>
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+<span class="sourceLineNo">412</span>  }<a name="line.412"></a>
+<span class="sourceLineNo">413</span><a name="line.413"></a>
+<span class="sourceLineNo">414</span>  /**<a name="line.414"></a>
+<span class="sourceLineNo">415</span>   * &lt;p&gt;Set a filter (using stopRow and startRow) so the result set only contains rows where the<a name="line.415"></a>
+<span class="sourceLineNo">416</span>   * rowKey starts with the specified prefix.&lt;/p&gt;<a name="line.416"></a>
+<span class="sourceLineNo">417</span>   * &lt;p&gt;This is a utility method that converts the desired rowPrefix into the appropriate values<a name="line.417"></a>
+<span class="sourceLineNo">418</span>   * for the startRow and stopRow to achieve the desired result.&lt;/p&gt;<a name="line.418"></a>
+<span class="sourceLineNo">419</span>   * &lt;p&gt;This can safely be used in combination with setFilter.&lt;/p&gt;<a name="line.419"></a>
+<span class="sourceLineNo">420</span>   * &lt;p&gt;&lt;b&gt;NOTE: Doing a {@link #setStartRow(byte[])} and/or {@link #setStopRow(byte[])}<a name="line.420"></a>
+<span class="sourceLineNo">421</span>   * after this method will yield undefined results.&lt;/b&gt;&lt;/p&gt;<a name="line.421"></a>
+<span class="sourceLineNo">422</span>   * @param rowPrefix the prefix all rows must start with. (Set &lt;i&gt;null&lt;/i&gt; to remove the filter.)<a name="line.422"></a>
+<span class="sourceLineNo">423</span>   * @return this<a name="line.423"></a>
+<span class="sourceLineNo">424</span>   */<a name="line.424"></a>
+<span class="sourceLineNo">425</span>  public Scan setRowPrefixFilter(byte[] rowPrefix) {<a name="line.425"></a>
+<span class="sourceLineNo">426</span>    if (rowPrefix == null) {<a name="line.426"></a>
+<span class="sourceLineNo">427</span>      setStartRow(HConstants.EMPTY_START_ROW);<a name="line.427"></a>
+<span class="sourceLineNo">428</span>      setStopRow(HConstants.EMPTY_END_ROW);<a name="line.428"></a>
+<span class="sourceLineNo">429</span>    } else {<a name="line.429"></a>
+<span class="sourceLineNo">430</span>      this.setStartRow(rowPrefix);<a name="line.430"></a>
+<span class="sourceLineNo">431</span>      this.setStopRow(calculateTheClosestNextRowKeyForPrefix(rowPrefix));<a name="line.431"></a>
+<span class="sourceLineNo">432</span>    }<a name="line.432"></a>
+<span class="sourceLineNo">433</span>    return this;<a name="line.433"></a>
+<span class="sourceLineNo">434</span>  }<a name="line.434"></a>
+<span class="sourceLineNo">435</span><a name="line.435"></a>
+<span class="sourceLineNo">436</span>  /**<a name="line.436"></a>
+<span class="sourceLineNo">437</span>   * &lt;p&gt;When scanning for a prefix the scan should stop immediately after the the last row that<a name="line.437"></a>
+<span class="sourceLineNo">438</span>   * has the specified prefix. This method calculates the closest next rowKey immediately following<a name="line.438"></a>
+<span class="sourceLineNo">439</span>   * the given rowKeyPrefix.&lt;/p&gt;<a name="line.439"></a>
+<span class="sourceLineNo">440</span>   * &lt;p&gt;&lt;b&gt;IMPORTANT: This converts a rowKey&lt;u&gt;Prefix&lt;/u&gt; into a rowKey&lt;/b&gt;.&lt;/p&gt;<a name="line.440"></a>
+<span class="sourceLineNo">441</span>   * &lt;p&gt;If the prefix is an 'ASCII' string put into a byte[] then this is easy because you can<a name="line.441"></a>
+<span class="sourceLineNo">442</span>   * simply increment the last byte of the array.<a name="line.442"></a>
+<span class="sourceLineNo">443</span>   * But if your application uses real binary rowids you may run into the scenario that your<a name="line.443"></a>
+<span class="sourceLineNo">444</span>   * prefix is something like:&lt;/p&gt;<a name="line.444"></a>
+<span class="sourceLineNo">445</span>   * &amp;nbsp;&amp;nbsp;&amp;nbsp;&lt;b&gt;{ 0x12, 0x23, 0xFF, 0xFF }&lt;/b&gt;&lt;br/&gt;<a name="line.445"></a>
+<span class="sourceLineNo">446</span>   * Then this stopRow needs to be fed into the actual scan&lt;br/&gt;<a name="line.446"></a>
+<span class="sourceLineNo">447</span>   * &amp;nbsp;&amp;nbsp;&amp;nbsp;&lt;b&gt;{ 0x12, 0x24 }&lt;/b&gt; (Notice that it is shorter now)&lt;br/&gt;<a name="line.447"></a>
+<span class="sourceLineNo">448</span>   * This method calculates the correct stop row value for this usecase.<a name="line.448"></a>
+<span class="sourceLineNo">449</span>   *<a name="line.449"></a>
+<span class="sourceLineNo">450</span>   * @param rowKeyPrefix the rowKey&lt;u&gt;Prefix&lt;/u&gt;.<a name="line.450"></a>
+<span class="sourceLineNo">451</span>   * @return the closest next rowKey immediately following the given rowKeyPrefix.<a name="line.451"></a>
+<span class="sourceLineNo">452</span>   */<a name="line.452"></a>
+<span class="sourceLineNo">453</span>  private byte[] calculateTheClosestNextRowKeyForPrefix(byte[] rowKeyPrefix) {<a name="line.453"></a>
+<span class="sourceLineNo">454</span>    // Essentially we are treating it like an 'unsigned very very long' and doing +1 manually.<a name="line.454"></a>
+<span class="sourceLineNo">455</span>    // Search for the place where the trailing 0xFFs start<a name="line.455"></a>
+<span class="sourceLineNo">456</span>    int offset = rowKeyPrefix.length;<a name="line.456"></a>
+<span class="sourceLineNo">457</span>    while (offset &gt; 0) {<a name="line.457"></a>
+<span class="sourceLineNo">458</span>      if (rowKeyPrefix[offset - 1] != (byte) 0xFF) {<a name="line.458"></a>
+<span class="sourceLineNo">459</span>        break;<a name="line.459"></a>
+<span class="sourceLineNo">460</span>      }<a name="line.460"></a>
+<span class="sourceLineNo">461</span>      offset--;<a name="line.461"></a>
+<span class="sourceLineNo">462</span>    }<a name="line.462"></a>
+<span class="sourceLineNo">463</span><a name="line.463"></a>
+<span class="sourceLineNo">464</span>    if (offset == 0) {<a name="line.464"></a>
+<span class="sourceLineNo">465</span>      // We got an 0xFFFF... (only FFs) stopRow value which is<a name="line.465"></a>
+<span class="sourceLineNo">466</span>      // the last possible prefix before the end of the table.<a name="line.466"></a>
+<span class="sourceLineNo">467</span>      // So set it to stop at the 'end of the table'<a name="line.467"></a>
+<span class="sourceLineNo">468</span>      return HConstants.EMPTY_END_ROW;<a name="line.468"></a>
+<span class="sourceLineNo">469</span>    }<a name="line.469"></a>
 <span class="sourceLineNo">470</span><a name="line.470"></a>
-<span class="sourceLineNo">471</span>  /**<a name="line.471"></a>
-<span class="sourceLineNo">472</span>   * Get up to the specified number of versions of each column.<a name="line.472"></a>
-<span class="sourceLineNo">473</span>   * @param maxVersions maximum versions for each column<a name="line.473"></a>
-<span class="sourceLineNo">474</span>   * @return this<a name="line.474"></a>
-<span class="sourceLineNo">475</span>   */<a name="line.475"></a>
-<span class="sourceLineNo">476</span>  public Scan setMaxVersions(int maxVersions) {<a name="line.476"></a>
-<span class="sourceLineNo">477</span>    this.maxVersions = maxVersions;<a name="line.477"></a>
-<span class="sourceLineNo">478</span>    return this;<a name="line.478"></a>
-<span class="sourceLineNo">479</span>  }<a name="line.479"></a>
-<span class="sourceLineNo">480</span><a name="line.480"></a>
-<span class="sourceLineNo">481</span>  /**<a name="line.481"></a>
-<span class="sourceLineNo">482</span>   * Set the maximum number of values to return for each call to next().<a name="line.482"></a>
-<span class="sourceLineNo">483</span>   * Callers should be aware that invoking this method with any value<a name="line.483"></a>
-<span class="sourceLineNo">484</span>   * is equivalent to calling {@link #setAllowPartialResults(boolean)}<a name="line.484"></a>
-<span class="sourceLineNo">485</span>   * with a value of {@code true}; partial results may be returned if<a name="line.485"></a>
-<span class="sourceLineNo">486</span>   * this method is called. Use {@link #setMaxResultSize(long)}} to<a name="line.486"></a>
-<span class="sourceLineNo">487</span>   * limit the size of a Scan's Results instead.<a name="line.487"></a>
-<span class="sourceLineNo">488</span>   *<a name="line.488"></a>
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<TRUNCATED>

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