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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/03/05 14:54:20 UTC

[47/51] [partial] hbase-site git commit: Published site at b7b86839250bf9b295ebc1948826f43a88736d6c.

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/6b94a2f2/apidocs/src-html/org/apache/hadoop/hbase/HConstants.html
----------------------------------------------------------------------
diff --git a/apidocs/src-html/org/apache/hadoop/hbase/HConstants.html b/apidocs/src-html/org/apache/hadoop/hbase/HConstants.html
index e828a9b..a99f492 100644
--- a/apidocs/src-html/org/apache/hadoop/hbase/HConstants.html
+++ b/apidocs/src-html/org/apache/hadoop/hbase/HConstants.html
@@ -495,841 +495,853 @@
 <span class="sourceLineNo">487</span>  /** The serialized table state qualifier */<a name="line.487"></a>
 <span class="sourceLineNo">488</span>  public static final byte[] TABLE_STATE_QUALIFIER = Bytes.toBytes("state");<a name="line.488"></a>
 <span class="sourceLineNo">489</span><a name="line.489"></a>
-<span class="sourceLineNo">490</span><a name="line.490"></a>
-<span class="sourceLineNo">491</span>  /**<a name="line.491"></a>
-<span class="sourceLineNo">492</span>   * The meta table version column qualifier.<a name="line.492"></a>
-<span class="sourceLineNo">493</span>   * We keep current version of the meta table in this column in &lt;code&gt;-ROOT-&lt;/code&gt;<a name="line.493"></a>
-<span class="sourceLineNo">494</span>   * table: i.e. in the 'info:v' column.<a name="line.494"></a>
-<span class="sourceLineNo">495</span>   */<a name="line.495"></a>
-<span class="sourceLineNo">496</span>  public static final byte [] META_VERSION_QUALIFIER = Bytes.toBytes("v");<a name="line.496"></a>
-<span class="sourceLineNo">497</span><a name="line.497"></a>
-<span class="sourceLineNo">498</span>  /**<a name="line.498"></a>
-<span class="sourceLineNo">499</span>   * The current version of the meta table.<a name="line.499"></a>
-<span class="sourceLineNo">500</span>   * - pre-hbase 0.92.  There is no META_VERSION column in the root table<a name="line.500"></a>
-<span class="sourceLineNo">501</span>   * in this case. The meta has HTableDescriptor serialized into the HRegionInfo;<a name="line.501"></a>
-<span class="sourceLineNo">502</span>   * - version 0 is 0.92 and 0.94. Meta data has serialized HRegionInfo's using<a name="line.502"></a>
-<span class="sourceLineNo">503</span>   * Writable serialization, and HRegionInfo's does not contain HTableDescriptors.<a name="line.503"></a>
-<span class="sourceLineNo">504</span>   * - version 1 for 0.96+ keeps HRegionInfo data structures, but changes the<a name="line.504"></a>
-<span class="sourceLineNo">505</span>   * byte[] serialization from Writables to Protobuf.<a name="line.505"></a>
-<span class="sourceLineNo">506</span>   * See HRegionInfo.VERSION<a name="line.506"></a>
-<span class="sourceLineNo">507</span>   */<a name="line.507"></a>
-<span class="sourceLineNo">508</span>  public static final short META_VERSION = 1;<a name="line.508"></a>
-<span class="sourceLineNo">509</span><a name="line.509"></a>
-<span class="sourceLineNo">510</span>  // Other constants<a name="line.510"></a>
-<span class="sourceLineNo">511</span><a name="line.511"></a>
-<span class="sourceLineNo">512</span>  /**<a name="line.512"></a>
-<span class="sourceLineNo">513</span>   * An empty instance.<a name="line.513"></a>
-<span class="sourceLineNo">514</span>   */<a name="line.514"></a>
-<span class="sourceLineNo">515</span>  public static final byte [] EMPTY_BYTE_ARRAY = new byte [0];<a name="line.515"></a>
-<span class="sourceLineNo">516</span><a name="line.516"></a>
-<span class="sourceLineNo">517</span>  public static final ByteBuffer EMPTY_BYTE_BUFFER = ByteBuffer.wrap(EMPTY_BYTE_ARRAY);<a name="line.517"></a>
-<span class="sourceLineNo">518</span><a name="line.518"></a>
-<span class="sourceLineNo">519</span>  /**<a name="line.519"></a>
-<span class="sourceLineNo">520</span>   * Used by scanners, etc when they want to start at the beginning of a region<a name="line.520"></a>
-<span class="sourceLineNo">521</span>   */<a name="line.521"></a>
-<span class="sourceLineNo">522</span>  public static final byte [] EMPTY_START_ROW = EMPTY_BYTE_ARRAY;<a name="line.522"></a>
-<span class="sourceLineNo">523</span><a name="line.523"></a>
-<span class="sourceLineNo">524</span>  /**<a name="line.524"></a>
-<span class="sourceLineNo">525</span>   * Last row in a table.<a name="line.525"></a>
-<span class="sourceLineNo">526</span>   */<a name="line.526"></a>
-<span class="sourceLineNo">527</span>  public static final byte [] EMPTY_END_ROW = EMPTY_START_ROW;<a name="line.527"></a>
-<span class="sourceLineNo">528</span><a name="line.528"></a>
-<span class="sourceLineNo">529</span>  /**<a name="line.529"></a>
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-<span class="sourceLineNo">531</span>    * table<a name="line.531"></a>
-<span class="sourceLineNo">532</span>    */<a name="line.532"></a>
-<span class="sourceLineNo">533</span>  public static final byte [] LAST_ROW = EMPTY_BYTE_ARRAY;<a name="line.533"></a>
+<span class="sourceLineNo">490</span>  /** The replication barrier family as a string*/<a name="line.490"></a>
+<span class="sourceLineNo">491</span>  public static final String REPLICATION_BARRIER_FAMILY_STR = "rep_barrier";<a name="line.491"></a>
+<span class="sourceLineNo">492</span><a name="line.492"></a>
+<span class="sourceLineNo">493</span>  /** The replication barrier family */<a name="line.493"></a>
+<span class="sourceLineNo">494</span>  public static final byte[] REPLICATION_BARRIER_FAMILY =<a name="line.494"></a>
+<span class="sourceLineNo">495</span>      Bytes.toBytes(REPLICATION_BARRIER_FAMILY_STR);<a name="line.495"></a>
+<span class="sourceLineNo">496</span><a name="line.496"></a>
+<span class="sourceLineNo">497</span>  /**<a name="line.497"></a>
+<span class="sourceLineNo">498</span>   * The meta table version column qualifier.<a name="line.498"></a>
+<span class="sourceLineNo">499</span>   * We keep current version of the meta table in this column in &lt;code&gt;-ROOT-&lt;/code&gt;<a name="line.499"></a>
+<span class="sourceLineNo">500</span>   * table: i.e. in the 'info:v' column.<a name="line.500"></a>
+<span class="sourceLineNo">501</span>   */<a name="line.501"></a>
+<span class="sourceLineNo">502</span>  public static final byte [] META_VERSION_QUALIFIER = Bytes.toBytes("v");<a name="line.502"></a>
+<span class="sourceLineNo">503</span><a name="line.503"></a>
+<span class="sourceLineNo">504</span>  /**<a name="line.504"></a>
+<span class="sourceLineNo">505</span>   * The current version of the meta table.<a name="line.505"></a>
+<span class="sourceLineNo">506</span>   * - pre-hbase 0.92.  There is no META_VERSION column in the root table<a name="line.506"></a>
+<span class="sourceLineNo">507</span>   * in this case. The meta has HTableDescriptor serialized into the HRegionInfo;<a name="line.507"></a>
+<span class="sourceLineNo">508</span>   * - version 0 is 0.92 and 0.94. Meta data has serialized HRegionInfo's using<a name="line.508"></a>
+<span class="sourceLineNo">509</span>   * Writable serialization, and HRegionInfo's does not contain HTableDescriptors.<a name="line.509"></a>
+<span class="sourceLineNo">510</span>   * - version 1 for 0.96+ keeps HRegionInfo data structures, but changes the<a name="line.510"></a>
+<span class="sourceLineNo">511</span>   * byte[] serialization from Writables to Protobuf.<a name="line.511"></a>
+<span class="sourceLineNo">512</span>   * See HRegionInfo.VERSION<a name="line.512"></a>
+<span class="sourceLineNo">513</span>   */<a name="line.513"></a>
+<span class="sourceLineNo">514</span>  public static final short META_VERSION = 1;<a name="line.514"></a>
+<span class="sourceLineNo">515</span><a name="line.515"></a>
+<span class="sourceLineNo">516</span>  // Other constants<a name="line.516"></a>
+<span class="sourceLineNo">517</span><a name="line.517"></a>
+<span class="sourceLineNo">518</span>  /**<a name="line.518"></a>
+<span class="sourceLineNo">519</span>   * An empty instance.<a name="line.519"></a>
+<span class="sourceLineNo">520</span>   */<a name="line.520"></a>
+<span class="sourceLineNo">521</span>  public static final byte [] EMPTY_BYTE_ARRAY = new byte [0];<a name="line.521"></a>
+<span class="sourceLineNo">522</span><a name="line.522"></a>
+<span class="sourceLineNo">523</span>  public static final ByteBuffer EMPTY_BYTE_BUFFER = ByteBuffer.wrap(EMPTY_BYTE_ARRAY);<a name="line.523"></a>
+<span class="sourceLineNo">524</span><a name="line.524"></a>
+<span class="sourceLineNo">525</span>  /**<a name="line.525"></a>
+<span class="sourceLineNo">526</span>   * Used by scanners, etc when they want to start at the beginning of a region<a name="line.526"></a>
+<span class="sourceLineNo">527</span>   */<a name="line.527"></a>
+<span class="sourceLineNo">528</span>  public static final byte [] EMPTY_START_ROW = EMPTY_BYTE_ARRAY;<a name="line.528"></a>
+<span class="sourceLineNo">529</span><a name="line.529"></a>
+<span class="sourceLineNo">530</span>  /**<a name="line.530"></a>
+<span class="sourceLineNo">531</span>   * Last row in a table.<a name="line.531"></a>
+<span class="sourceLineNo">532</span>   */<a name="line.532"></a>
+<span class="sourceLineNo">533</span>  public static final byte [] EMPTY_END_ROW = EMPTY_START_ROW;<a name="line.533"></a>
 <span class="sourceLineNo">534</span><a name="line.534"></a>
 <span class="sourceLineNo">535</span>  /**<a name="line.535"></a>
-<span class="sourceLineNo">536</span>   * Max length a row can have because of the limitation in TFile.<a name="line.536"></a>
-<span class="sourceLineNo">537</span>   */<a name="line.537"></a>
-<span class="sourceLineNo">538</span>  public static final int MAX_ROW_LENGTH = Short.MAX_VALUE;<a name="line.538"></a>
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-<span class="sourceLineNo">540</span>  /**<a name="line.540"></a>
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-<span class="sourceLineNo">542</span>   *<a name="line.542"></a>
-<span class="sourceLineNo">543</span>   * On client side, this is the timestamp set by default when no timestamp is specified,<a name="line.543"></a>
-<span class="sourceLineNo">544</span>   * to refer to the latest.<a name="line.544"></a>
-<span class="sourceLineNo">545</span>   * On server side, this acts as a notation.<a name="line.545"></a>
-<span class="sourceLineNo">546</span>   * (1) For a cell of Put, which has this notation,<a name="line.546"></a>
-<span class="sourceLineNo">547</span>   *     its timestamp will be replaced with server's current time.<a name="line.547"></a>
-<span class="sourceLineNo">548</span>   * (2) For a cell of Delete, which has this notation,<a name="line.548"></a>
-<span class="sourceLineNo">549</span>   *     A. If the cell is of {@link KeyValue.Type#Delete}, HBase issues a Get operation firstly.<a name="line.549"></a>
-<span class="sourceLineNo">550</span>   *        a. When the count of cell it gets is less than the count of cell to delete,<a name="line.550"></a>
-<span class="sourceLineNo">551</span>   *           the timestamp of Delete cell will be replaced with server's current time.<a name="line.551"></a>
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-<span class="sourceLineNo">553</span>   *           the timestamp of Delete cell will be replaced with the latest timestamp of cell it<a name="line.553"></a>
-<span class="sourceLineNo">554</span>   *           gets.<a name="line.554"></a>
-<span class="sourceLineNo">555</span>   *       (c. It is invalid and an exception will be thrown,<a name="line.555"></a>
-<span class="sourceLineNo">556</span>   *           if the count of cell it gets is greater than the count of cell to delete,<a name="line.556"></a>
-<span class="sourceLineNo">557</span>   *           as the max version of Get is set to the count of cell to delete.)<a name="line.557"></a>
-<span class="sourceLineNo">558</span>   *     B. If the cell is of other Delete types, like {@link KeyValue.Type#DeleteFamilyVersion},<a name="line.558"></a>
-<span class="sourceLineNo">559</span>   *        {@link KeyValue.Type#DeleteColumn}, or {@link KeyValue.Type#DeleteFamily},<a name="line.559"></a>
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-<span class="sourceLineNo">561</span>   *<a name="line.561"></a>
-<span class="sourceLineNo">562</span>   * So that is why it is named as "latest" but assigned as the max value of Long.<a name="line.562"></a>
-<span class="sourceLineNo">563</span>   */<a name="line.563"></a>
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-<span class="sourceLineNo">566</span>  /**<a name="line.566"></a>
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-<span class="sourceLineNo">568</span>   * Special! Used in fake Cells only. Should never be the timestamp on an actual Cell returned to<a name="line.568"></a>
-<span class="sourceLineNo">569</span>   * a client.<a name="line.569"></a>
-<span class="sourceLineNo">570</span>   * @deprecated Should not be public since hbase-1.3.0. For internal use only. Move internal to<a name="line.570"></a>
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-<span class="sourceLineNo">572</span>   */<a name="line.572"></a>
-<span class="sourceLineNo">573</span>  @Deprecated<a name="line.573"></a>
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-<span class="sourceLineNo">576</span>  /**<a name="line.576"></a>
-<span class="sourceLineNo">577</span>   * LATEST_TIMESTAMP in bytes form<a name="line.577"></a>
+<span class="sourceLineNo">536</span>    * Used by scanners and others when they're trying to detect the end of a<a name="line.536"></a>
+<span class="sourceLineNo">537</span>    * table<a name="line.537"></a>
+<span class="sourceLineNo">538</span>    */<a name="line.538"></a>
+<span class="sourceLineNo">539</span>  public static final byte [] LAST_ROW = EMPTY_BYTE_ARRAY;<a name="line.539"></a>
+<span class="sourceLineNo">540</span><a name="line.540"></a>
+<span class="sourceLineNo">541</span>  /**<a name="line.541"></a>
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+<span class="sourceLineNo">543</span>   */<a name="line.543"></a>
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+<span class="sourceLineNo">546</span>  /**<a name="line.546"></a>
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+<span class="sourceLineNo">550</span>   * to refer to the latest.<a name="line.550"></a>
+<span class="sourceLineNo">551</span>   * On server side, this acts as a notation.<a name="line.551"></a>
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+<span class="sourceLineNo">553</span>   *     its timestamp will be replaced with server's current time.<a name="line.553"></a>
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+<span class="sourceLineNo">557</span>   *           the timestamp of Delete cell will be replaced with server's current time.<a name="line.557"></a>
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+<span class="sourceLineNo">559</span>   *           the timestamp of Delete cell will be replaced with the latest timestamp of cell it<a name="line.559"></a>
+<span class="sourceLineNo">560</span>   *           gets.<a name="line.560"></a>
+<span class="sourceLineNo">561</span>   *       (c. It is invalid and an exception will be thrown,<a name="line.561"></a>
+<span class="sourceLineNo">562</span>   *           if the count of cell it gets is greater than the count of cell to delete,<a name="line.562"></a>
+<span class="sourceLineNo">563</span>   *           as the max version of Get is set to the count of cell to delete.)<a name="line.563"></a>
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+<span class="sourceLineNo">566</span>   *        the timestamp of Delete cell will be replaced with server's current time.<a name="line.566"></a>
+<span class="sourceLineNo">567</span>   *<a name="line.567"></a>
+<span class="sourceLineNo">568</span>   * So that is why it is named as "latest" but assigned as the max value of Long.<a name="line.568"></a>
+<span class="sourceLineNo">569</span>   */<a name="line.569"></a>
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+<span class="sourceLineNo">571</span><a name="line.571"></a>
+<span class="sourceLineNo">572</span>  /**<a name="line.572"></a>
+<span class="sourceLineNo">573</span>   * Timestamp to use when we want to refer to the oldest cell.<a name="line.573"></a>
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+<span class="sourceLineNo">575</span>   * a client.<a name="line.575"></a>
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 <span class="sourceLineNo">578</span>   */<a name="line.578"></a>
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-<span class="sourceLineNo">581</span>    (byte) (LATEST_TIMESTAMP &gt;&gt;&gt; 56),<a name="line.581"></a>
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-<span class="sourceLineNo">584</span>    (byte) (LATEST_TIMESTAMP &gt;&gt;&gt; 32),<a name="line.584"></a>
-<span class="sourceLineNo">585</span>    (byte) (LATEST_TIMESTAMP &gt;&gt;&gt; 24),<a name="line.585"></a>
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-<span class="sourceLineNo">599</span>//  public static final int FOREVER = -1;<a name="line.599"></a>
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+<span class="sourceLineNo">580</span>  public static final long OLDEST_TIMESTAMP = Long.MIN_VALUE;<a name="line.580"></a>
+<span class="sourceLineNo">581</span><a name="line.581"></a>
+<span class="sourceLineNo">582</span>  /**<a name="line.582"></a>
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+<span class="sourceLineNo">584</span>   */<a name="line.584"></a>
+<span class="sourceLineNo">585</span>  public static final byte [] LATEST_TIMESTAMP_BYTES = {<a name="line.585"></a>
+<span class="sourceLineNo">586</span>    // big-endian<a name="line.586"></a>
+<span class="sourceLineNo">587</span>    (byte) (LATEST_TIMESTAMP &gt;&gt;&gt; 56),<a name="line.587"></a>
+<span class="sourceLineNo">588</span>    (byte) (LATEST_TIMESTAMP &gt;&gt;&gt; 48),<a name="line.588"></a>
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