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<div class="subTitle">org.apache.hadoop.hbase.mob</div>
<h2 title="Class MobUtils" class="title">Class MobUtils</h2>
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<pre>@InterfaceAudience.Private
public final class <a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.77">MobUtils</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">The mob utilities</div>
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<th class="colLast" scope="col">Field and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ThreadLocal.html?is-external=true" title="class or interface in java.lang">ThreadLocal</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/text/SimpleDateFormat.html?is-external=true" title="class or interface in java.text">SimpleDateFormat</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#LOCAL_FORMAT">LOCAL_FORMAT</a></span></code>&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>private static org.slf4j.Logger</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#LOG">LOG</a></span></code>&nbsp;</td>
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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>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#SEP">SEP</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#MobUtils--">MobUtils</a></span>()</code>
<div class="block">Private constructor to keep this class from being instantiated.</div>
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<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#cleanExpiredMobFiles-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.conf.Configuration-org.apache.hadoop.hbase.TableName-org.apache.hadoop.hbase.client.ColumnFamilyDescriptor-org.apache.hadoop.hbase.io.hfile.CacheConfig-long-">cleanExpiredMobFiles</a></span>(org.apache.hadoop.fs.FileSystem&nbsp;fs,
org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;tableName,
<a href="../../../../../org/apache/hadoop/hbase/client/ColumnFamilyDescriptor.html" title="interface in org.apache.hadoop.hbase.client">ColumnFamilyDescriptor</a>&nbsp;columnDescriptor,
<a href="../../../../../org/apache/hadoop/hbase/io/hfile/CacheConfig.html" title="class in org.apache.hadoop.hbase.io.hfile">CacheConfig</a>&nbsp;cacheConfig,
long&nbsp;current)</code>
<div class="block">Cleans the expired mob files.</div>
</td>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#createMobRefCell-org.apache.hadoop.hbase.Cell-byte:A-byte:A-">createMobRefCell</a></span>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell,
byte[]&nbsp;fileName,
byte[]&nbsp;refCellTags)</code>&nbsp;</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#createMobRefCell-org.apache.hadoop.hbase.Cell-byte:A-org.apache.hadoop.hbase.Tag-">createMobRefCell</a></span>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell,
byte[]&nbsp;fileName,
<a href="../../../../../org/apache/hadoop/hbase/Tag.html" title="interface in org.apache.hadoop.hbase">Tag</a>&nbsp;tableNameTag)</code>
<div class="block">Creates a mob reference KeyValue.</div>
</td>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFileWriter.html" title="class in org.apache.hadoop.hbase.regionserver">StoreFileWriter</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.hbase.client.ColumnFamilyDescriptor-org.apache.hadoop.hbase.mob.MobFileName-org.apache.hadoop.fs.Path-long-org.apache.hadoop.hbase.io.compress.Compression.Algorithm-org.apache.hadoop.hbase.io.hfile.CacheConfig-org.apache.hadoop.hbase.io.crypto.Encryption.Context-boolean-">createWriter</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf,
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<a href="../../../../../org/apache/hadoop/hbase/mob/MobFileName.html" title="class in org.apache.hadoop.hbase.mob">MobFileName</a>&nbsp;mobFileName,
org.apache.hadoop.fs.Path&nbsp;basePath,
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<a href="../../../../../org/apache/hadoop/hbase/io/compress/Compression.Algorithm.html" title="enum in org.apache.hadoop.hbase.io.compress">Compression.Algorithm</a>&nbsp;compression,
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<div class="block">Creates a writer for the mob file in temp directory.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFileWriter.html" title="class in org.apache.hadoop.hbase.regionserver">StoreFileWriter</a></code></td>
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org.apache.hadoop.fs.FileSystem&nbsp;fs,
<a href="../../../../../org/apache/hadoop/hbase/client/ColumnFamilyDescriptor.html" title="interface in org.apache.hadoop.hbase.client">ColumnFamilyDescriptor</a>&nbsp;family,
org.apache.hadoop.fs.Path&nbsp;path,
long&nbsp;maxKeyCount,
<a href="../../../../../org/apache/hadoop/hbase/io/compress/Compression.Algorithm.html" title="enum in org.apache.hadoop.hbase.io.compress">Compression.Algorithm</a>&nbsp;compression,
<a href="../../../../../org/apache/hadoop/hbase/io/hfile/CacheConfig.html" title="class in org.apache.hadoop.hbase.io.hfile">CacheConfig</a>&nbsp;cacheConfig,
<a href="../../../../../org/apache/hadoop/hbase/io/crypto/Encryption.Context.html" title="class in org.apache.hadoop.hbase.io.crypto">Encryption.Context</a>&nbsp;cryptoContext,
<a href="../../../../../org/apache/hadoop/hbase/util/ChecksumType.html" title="enum in org.apache.hadoop.hbase.util">ChecksumType</a>&nbsp;checksumType,
int&nbsp;bytesPerChecksum,
int&nbsp;blocksize,
<a href="../../../../../org/apache/hadoop/hbase/regionserver/BloomType.html" title="enum in org.apache.hadoop.hbase.regionserver">BloomType</a>&nbsp;bloomType,
boolean&nbsp;isCompaction)</code>
<div class="block">Creates a writer for the mob file in temp directory.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFileWriter.html" title="class in org.apache.hadoop.hbase.regionserver">StoreFileWriter</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.hbase.client.ColumnFamilyDescriptor-java.lang.String-org.apache.hadoop.fs.Path-long-org.apache.hadoop.hbase.io.compress.Compression.Algorithm-java.lang.String-org.apache.hadoop.hbase.io.hfile.CacheConfig-org.apache.hadoop.hbase.io.crypto.Encryption.Context-boolean-java.lang.String-">createWriter</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf,
org.apache.hadoop.fs.FileSystem&nbsp;fs,
<a href="../../../../../org/apache/hadoop/hbase/client/ColumnFamilyDescriptor.html" title="interface in org.apache.hadoop.hbase.client">ColumnFamilyDescriptor</a>&nbsp;family,
<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>&nbsp;date,
org.apache.hadoop.fs.Path&nbsp;basePath,
long&nbsp;maxKeyCount,
<a href="../../../../../org/apache/hadoop/hbase/io/compress/Compression.Algorithm.html" title="enum in org.apache.hadoop.hbase.io.compress">Compression.Algorithm</a>&nbsp;compression,
<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>&nbsp;startKey,
<a href="../../../../../org/apache/hadoop/hbase/io/hfile/CacheConfig.html" title="class in org.apache.hadoop.hbase.io.hfile">CacheConfig</a>&nbsp;cacheConfig,
<a href="../../../../../org/apache/hadoop/hbase/io/crypto/Encryption.Context.html" title="class in org.apache.hadoop.hbase.io.crypto">Encryption.Context</a>&nbsp;cryptoContext,
boolean&nbsp;isCompaction,
<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>&nbsp;regionName)</code>
<div class="block">Creates a writer for the mob file in temp directory.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>static org.apache.hbase.thirdparty.com.google.common.collect.ImmutableSetMultimap.Builder&lt;<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>,<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>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#deserializeMobFileRefs-byte:A-">deserializeMobFileRefs</a></span>(byte[]&nbsp;bytes)</code>
<div class="block">Deserialize the set of referenced mob hfiles from store file metadata.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<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>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#formatDate-java.util.Date-">formatDate</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Date.html?is-external=true" title="class or interface in java.util">Date</a>&nbsp;date)</code>
<div class="block">Formats a date to a string.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/client/ColumnFamilyDescriptor.html" title="interface in org.apache.hadoop.hbase.client">ColumnFamilyDescriptor</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#getMobColumnFamilies-org.apache.hadoop.hbase.client.TableDescriptor-">getMobColumnFamilies</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/TableDescriptor.html" title="interface in org.apache.hadoop.hbase.client">TableDescriptor</a>&nbsp;htd)</code>
<div class="block">Get list of Mob column families (if any exists)</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>static org.apache.hadoop.fs.Path</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#getMobFamilyPath-org.apache.hadoop.conf.Configuration-org.apache.hadoop.hbase.TableName-java.lang.String-">getMobFamilyPath</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;tableName,
<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>&nbsp;familyName)</code>
<div class="block">Gets the family dir of the mob files.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>static org.apache.hadoop.fs.Path</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#getMobFamilyPath-org.apache.hadoop.fs.Path-java.lang.String-">getMobFamilyPath</a></span>(org.apache.hadoop.fs.Path&nbsp;regionPath,
<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>&nbsp;familyName)</code>
<div class="block">Gets the family dir of the mob files.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<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>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#getMobFileName-org.apache.hadoop.hbase.Cell-">getMobFileName</a></span>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell)</code>
<div class="block">Gets the mob file name from the mob ref cell.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>static org.apache.hadoop.fs.Path</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#getMobHome-org.apache.hadoop.conf.Configuration-">getMobHome</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf)</code>
<div class="block">Gets the root dir of the mob files.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>static org.apache.hadoop.fs.Path</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#getMobHome-org.apache.hadoop.fs.Path-">getMobHome</a></span>(org.apache.hadoop.fs.Path&nbsp;rootDir)</code>
<div class="block">Gets the root dir of the mob files under the qualified HBase root dir.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#getMobRegionInfo-org.apache.hadoop.hbase.TableName-">getMobRegionInfo</a></span>(<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;tableName)</code>
<div class="block">Gets the RegionInfo of the mob files.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>static org.apache.hadoop.fs.Path</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#getMobRegionPath-org.apache.hadoop.conf.Configuration-org.apache.hadoop.hbase.TableName-">getMobRegionPath</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;tableName)</code>
<div class="block">Gets the region dir of the mob files.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>static org.apache.hadoop.fs.Path</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#getMobRegionPath-org.apache.hadoop.fs.Path-org.apache.hadoop.hbase.TableName-">getMobRegionPath</a></span>(org.apache.hadoop.fs.Path&nbsp;rootDir,
<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;tableName)</code>
<div class="block">Gets the region dir of the mob files under the specified root dir.</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>static org.apache.hadoop.fs.Path</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#getMobTableDir-org.apache.hadoop.fs.Path-org.apache.hadoop.hbase.TableName-">getMobTableDir</a></span>(org.apache.hadoop.fs.Path&nbsp;rootDir,
<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;tableName)</code>
<div class="block">Gets the table dir of the mob files under the qualified HBase root dir.</div>
</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#getMobValueLength-org.apache.hadoop.hbase.Cell-">getMobValueLength</a></span>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell)</code>
<div class="block">Gets the mob value length from the mob ref cell.</div>
</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>static org.apache.hadoop.fs.Path</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#getQualifiedMobRootDir-org.apache.hadoop.conf.Configuration-">getQualifiedMobRootDir</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf)</code>
<div class="block">Gets the qualified root dir of the mob files.</div>
</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Optional.html?is-external=true" title="class or interface in java.util">Optional</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#getTableName-org.apache.hadoop.hbase.Cell-">getTableName</a></span>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell)</code>
<div class="block">Get the table name from when this cell was written into a mob hfile as a TableName.</div>
</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Optional.html?is-external=true" title="class or interface in java.util">Optional</a>&lt;<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>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#getTableNameString-org.apache.hadoop.hbase.Cell-">getTableNameString</a></span>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell)</code>
<div class="block">Gets the table name from when this cell was written into a mob hfile as a string.</div>
</td>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><code>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Optional.html?is-external=true" title="class or interface in java.util">Optional</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/Tag.html" title="interface in org.apache.hadoop.hbase">Tag</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#getTableNameTag-org.apache.hadoop.hbase.Cell-">getTableNameTag</a></span>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell)</code>
<div class="block">Gets the table name tag.</div>
</td>
</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#hasMobColumns-org.apache.hadoop.hbase.client.TableDescriptor-">hasMobColumns</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/TableDescriptor.html" title="interface in org.apache.hadoop.hbase.client">TableDescriptor</a>&nbsp;htd)</code>
<div class="block">Checks whether this table has mob-enabled columns.</div>
</td>
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<tr id="i24" class="altColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#hasMobReferenceTag-java.util.List-">hasMobReferenceTag</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/Tag.html" title="interface in org.apache.hadoop.hbase">Tag</a>&gt;&nbsp;tags)</code>
<div class="block">Whether the tag list has a mob reference tag.</div>
</td>
</tr>
<tr id="i25" class="rowColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#hasValidMobRefCellValue-org.apache.hadoop.hbase.Cell-">hasValidMobRefCellValue</a></span>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell)</code>
<div class="block">Indicates whether the current mob ref cell has a valid value.</div>
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<tr id="i26" class="altColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#isCacheMobBlocks-org.apache.hadoop.hbase.client.Scan-">isCacheMobBlocks</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a>&nbsp;scan)</code>
<div class="block">Indicates whether the scan contains the information of caching blocks.</div>
</td>
</tr>
<tr id="i27" class="rowColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#isMobFileExpired-org.apache.hadoop.hbase.client.ColumnFamilyDescriptor-long-java.lang.String-">isMobFileExpired</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/ColumnFamilyDescriptor.html" title="interface in org.apache.hadoop.hbase.client">ColumnFamilyDescriptor</a>&nbsp;column,
long&nbsp;current,
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<div class="block">Checks if the mob file is expired.</div>
</td>
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<tr id="i28" class="altColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#isMobReferenceCell-org.apache.hadoop.hbase.Cell-">isMobReferenceCell</a></span>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell)</code>
<div class="block">Whether the current cell is a mob reference cell.</div>
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</tr>
<tr id="i29" class="rowColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#isMobRegionInfo-org.apache.hadoop.hbase.client.RegionInfo-">isMobRegionInfo</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;regionInfo)</code>
<div class="block">Gets whether the current RegionInfo is a mob one.</div>
</td>
</tr>
<tr id="i30" class="altColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#isMobRegionName-org.apache.hadoop.hbase.TableName-byte:A-">isMobRegionName</a></span>(<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;tableName,
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<div class="block">Gets whether the current region name follows the pattern of a mob region name.</div>
</td>
</tr>
<tr id="i31" class="rowColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#isRawMobScan-org.apache.hadoop.hbase.client.Scan-">isRawMobScan</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a>&nbsp;scan)</code>
<div class="block">Indicates whether it's a raw scan.</div>
</td>
</tr>
<tr id="i32" class="altColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#isReadEmptyValueOnMobCellMiss-org.apache.hadoop.hbase.client.Scan-">isReadEmptyValueOnMobCellMiss</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a>&nbsp;scan)</code>
<div class="block">Indicates whether return null value when the mob file is missing or corrupt.</div>
</td>
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<tr id="i33" class="rowColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#isRefOnlyScan-org.apache.hadoop.hbase.client.Scan-">isRefOnlyScan</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a>&nbsp;scan)</code>
<div class="block">Indicates whether it's a reference only scan.</div>
</td>
</tr>
<tr id="i34" class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Date.html?is-external=true" title="class or interface in java.util">Date</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#parseDate-java.lang.String-">parseDate</a></span>(<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>&nbsp;dateString)</code>
<div class="block">Parses the string to a date.</div>
</td>
</tr>
<tr id="i35" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#removeMobFiles-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.hbase.TableName-org.apache.hadoop.fs.Path-byte:A-java.util.Collection-">removeMobFiles</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf,
org.apache.hadoop.fs.FileSystem&nbsp;fs,
<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;tableName,
org.apache.hadoop.fs.Path&nbsp;tableDir,
byte[]&nbsp;family,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/regionserver/HStoreFile.html" title="class in org.apache.hadoop.hbase.regionserver">HStoreFile</a>&gt;&nbsp;storeFiles)</code>
<div class="block">Archives the mob files.</div>
</td>
</tr>
<tr id="i36" class="altColor">
<td class="colFirst"><code>static byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#serializeMobFileRefs-org.apache.hbase.thirdparty.com.google.common.collect.SetMultimap-">serializeMobFileRefs</a></span>(org.apache.hbase.thirdparty.com.google.common.collect.SetMultimap&lt;<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>,<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>&gt;&nbsp;mobRefSet)</code>
<div class="block">Serialize a set of referenced mob hfiles</div>
</td>
</tr>
<tr id="i37" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mob/MobUtils.html#setCacheMobBlocks-org.apache.hadoop.hbase.client.Scan-boolean-">setCacheMobBlocks</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a>&nbsp;scan,
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<div class="block">Sets the attribute of caching blocks in the scan.</div>
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<pre>private&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.93">MobUtils</a>()</pre>
<div class="block">Private constructor to keep this class from being instantiated.</div>
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<div class="block">Formats a date to a string.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>date</code> - The date.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The string format of the date, it's yyyymmdd.</dd>
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<div class="block">Parses the string to a date.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>dateString</code> - The string format of a date, it's yyyymmdd.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>A date.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/text/ParseException.html?is-external=true" title="class or interface in java.text">ParseException</a></code></dd>
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<div class="block">Whether the current cell is a mob reference cell.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>cell</code> - The current cell.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>True if the cell has a mob reference tag, false if it doesn't.</dd>
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<pre>private static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Optional.html?is-external=true" title="class or interface in java.util">Optional</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/Tag.html" title="interface in org.apache.hadoop.hbase">Tag</a>&gt;&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.134">getTableNameTag</a>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell)</pre>
<div class="block">Gets the table name tag.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>cell</code> - The current cell.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The table name tag.</dd>
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<pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Optional.html?is-external=true" title="class or interface in java.util">Optional</a>&lt;<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>&gt;&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.147">getTableNameString</a>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell)</pre>
<div class="block">Gets the table name from when this cell was written into a mob hfile as a string.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>cell</code> - to extract tag from</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>table name as a string. empty if the tag is not found.</dd>
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<h4>getTableName</h4>
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<div class="block">Get the table name from when this cell was written into a mob hfile as a TableName.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>cell</code> - to extract tag from</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>name of table as a TableName. empty if the tag is not found.</dd>
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</li>
</ul>
<a name="hasMobReferenceTag-java.util.List-">
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<h4>hasMobReferenceTag</h4>
<pre>public static&nbsp;boolean&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.186">hasMobReferenceTag</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/Tag.html" title="interface in org.apache.hadoop.hbase">Tag</a>&gt;&nbsp;tags)</pre>
<div class="block">Whether the tag list has a mob reference tag.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>tags</code> - The tag list.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>True if the list has a mob reference tag, false if it doesn't.</dd>
</dl>
</li>
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<a name="isRawMobScan-org.apache.hadoop.hbase.client.Scan-">
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<h4>isRawMobScan</h4>
<pre>public static&nbsp;boolean&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.205">isRawMobScan</a>(<a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a>&nbsp;scan)</pre>
<div class="block">Indicates whether it's a raw scan. The information is set in the attribute "hbase.mob.scan.raw"
of scan. For a mob cell, in a normal scan the scanners retrieves the mob cell from the mob
file. In a raw scan, the scanner directly returns cell in HBase without retrieve the one in the
mob file.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>scan</code> - The current scan.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>True if it's a raw scan.</dd>
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</li>
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<a name="isRefOnlyScan-org.apache.hadoop.hbase.client.Scan-">
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<h4>isRefOnlyScan</h4>
<pre>public static&nbsp;boolean&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.221">isRefOnlyScan</a>(<a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a>&nbsp;scan)</pre>
<div class="block">Indicates whether it's a reference only scan. The information is set in the attribute
"hbase.mob.scan.ref.only" of scan. If it's a ref only scan, only the cells with ref tag are
returned.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>scan</code> - The current scan.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>True if it's a ref only scan.</dd>
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</li>
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<a name="isCacheMobBlocks-org.apache.hadoop.hbase.client.Scan-">
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<h4>isCacheMobBlocks</h4>
<pre>public static&nbsp;boolean&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.236">isCacheMobBlocks</a>(<a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a>&nbsp;scan)</pre>
<div class="block">Indicates whether the scan contains the information of caching blocks. The information is set
in the attribute "hbase.mob.cache.blocks" of scan.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>scan</code> - The current scan.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>True when the Scan attribute specifies to cache the MOB blocks.</dd>
</dl>
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<a name="setCacheMobBlocks-org.apache.hadoop.hbase.client.Scan-boolean-">
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<h4>setCacheMobBlocks</h4>
<pre>public static&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.251">setCacheMobBlocks</a>(<a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a>&nbsp;scan,
boolean&nbsp;cacheBlocks)</pre>
<div class="block">Sets the attribute of caching blocks in the scan.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>scan</code> - The current scan.</dd>
<dd><code>cacheBlocks</code> - True, set the attribute of caching blocks into the scan, the scanner with
this scan caches blocks. False, the scanner doesn't cache blocks for this scan.</dd>
</dl>
</li>
</ul>
<a name="cleanExpiredMobFiles-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.conf.Configuration-org.apache.hadoop.hbase.TableName-org.apache.hadoop.hbase.client.ColumnFamilyDescriptor-org.apache.hadoop.hbase.io.hfile.CacheConfig-long-">
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<h4>cleanExpiredMobFiles</h4>
<pre>public static&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.265">cleanExpiredMobFiles</a>(org.apache.hadoop.fs.FileSystem&nbsp;fs,
org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;tableName,
<a href="../../../../../org/apache/hadoop/hbase/client/ColumnFamilyDescriptor.html" title="interface in org.apache.hadoop.hbase.client">ColumnFamilyDescriptor</a>&nbsp;columnDescriptor,
<a href="../../../../../org/apache/hadoop/hbase/io/hfile/CacheConfig.html" title="class in org.apache.hadoop.hbase.io.hfile">CacheConfig</a>&nbsp;cacheConfig,
long&nbsp;current)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Cleans the expired mob files. Cleans the files whose creation date is older than (current -
columnFamily.ttl), and the minVersions of that column family is 0.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>fs</code> - The current file system.</dd>
<dd><code>conf</code> - The current configuration.</dd>
<dd><code>tableName</code> - The current table name.</dd>
<dd><code>columnDescriptor</code> - The descriptor of the current column family.</dd>
<dd><code>cacheConfig</code> - The cacheConfig that disables the block cache.</dd>
<dd><code>current</code> - The current time.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<h4>getMobHome</h4>
<pre>public static&nbsp;org.apache.hadoop.fs.Path&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.338">getMobHome</a>(org.apache.hadoop.conf.Configuration&nbsp;conf)</pre>
<div class="block">Gets the root dir of the mob files. It's {HBASE_DIR}/mobdir.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - The current configuration.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the root dir of the mob file.</dd>
</dl>
</li>
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<a name="getMobHome-org.apache.hadoop.fs.Path-">
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<h4>getMobHome</h4>
<pre>public static&nbsp;org.apache.hadoop.fs.Path&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.348">getMobHome</a>(org.apache.hadoop.fs.Path&nbsp;rootDir)</pre>
<div class="block">Gets the root dir of the mob files under the qualified HBase root dir. It's {rootDir}/mobdir.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>rootDir</code> - The qualified path of HBase root directory.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The root dir of the mob file.</dd>
</dl>
</li>
</ul>
<a name="getQualifiedMobRootDir-org.apache.hadoop.conf.Configuration-">
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<li class="blockList">
<h4>getQualifiedMobRootDir</h4>
<pre>public static&nbsp;org.apache.hadoop.fs.Path&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.357">getQualifiedMobRootDir</a>(org.apache.hadoop.conf.Configuration&nbsp;conf)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Gets the qualified root dir of the mob files.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - The current configuration.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The qualified root dir.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
</dl>
</li>
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<a name="getMobTableDir-org.apache.hadoop.fs.Path-org.apache.hadoop.hbase.TableName-">
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<h4>getMobTableDir</h4>
<pre>public static&nbsp;org.apache.hadoop.fs.Path&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.371">getMobTableDir</a>(org.apache.hadoop.fs.Path&nbsp;rootDir,
<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;tableName)</pre>
<div class="block">Gets the table dir of the mob files under the qualified HBase root dir. It's
{rootDir}/mobdir/data/${namespace}/${tableName}</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>rootDir</code> - The qualified path of HBase root directory.</dd>
<dd><code>tableName</code> - The name of table.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The table dir of the mob file.</dd>
</dl>
</li>
</ul>
<a name="getMobRegionPath-org.apache.hadoop.conf.Configuration-org.apache.hadoop.hbase.TableName-">
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<h4>getMobRegionPath</h4>
<pre>public static&nbsp;org.apache.hadoop.fs.Path&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.382">getMobRegionPath</a>(org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;tableName)</pre>
<div class="block">Gets the region dir of the mob files. It's
{HBASE_DIR}/mobdir/data/{namespace}/{tableName}/{regionEncodedName}.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - The current configuration.</dd>
<dd><code>tableName</code> - The current table name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The region dir of the mob files.</dd>
</dl>
</li>
</ul>
<a name="getMobRegionPath-org.apache.hadoop.fs.Path-org.apache.hadoop.hbase.TableName-">
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<h4>getMobRegionPath</h4>
<pre>public static&nbsp;org.apache.hadoop.fs.Path&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.393">getMobRegionPath</a>(org.apache.hadoop.fs.Path&nbsp;rootDir,
<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;tableName)</pre>
<div class="block">Gets the region dir of the mob files under the specified root dir. It's
{rootDir}/mobdir/data/{namespace}/{tableName}/{regionEncodedName}.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>rootDir</code> - The qualified path of HBase root directory.</dd>
<dd><code>tableName</code> - The current table name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The region dir of the mob files.</dd>
</dl>
</li>
</ul>
<a name="getMobFamilyPath-org.apache.hadoop.conf.Configuration-org.apache.hadoop.hbase.TableName-java.lang.String-">
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<li class="blockList">
<h4>getMobFamilyPath</h4>
<pre>public static&nbsp;org.apache.hadoop.fs.Path&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.407">getMobFamilyPath</a>(org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;tableName,
<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>&nbsp;familyName)</pre>
<div class="block">Gets the family dir of the mob files. It's
{HBASE_DIR}/mobdir/{namespace}/{tableName}/{regionEncodedName}/{columnFamilyName}.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - The current configuration.</dd>
<dd><code>tableName</code> - The current table name.</dd>
<dd><code>familyName</code> - The current family name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The family dir of the mob files.</dd>
</dl>
</li>
</ul>
<a name="getMobFamilyPath-org.apache.hadoop.fs.Path-java.lang.String-">
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<h4>getMobFamilyPath</h4>
<pre>public static&nbsp;org.apache.hadoop.fs.Path&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.418">getMobFamilyPath</a>(org.apache.hadoop.fs.Path&nbsp;regionPath,
<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>&nbsp;familyName)</pre>
<div class="block">Gets the family dir of the mob files. It's
{HBASE_DIR}/mobdir/{namespace}/{tableName}/{regionEncodedName}/{columnFamilyName}.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>regionPath</code> - The path of mob region which is a dummy one.</dd>
<dd><code>familyName</code> - The current family name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The family dir of the mob files.</dd>
</dl>
</li>
</ul>
<a name="getMobRegionInfo-org.apache.hadoop.hbase.TableName-">
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<ul class="blockList">
<li class="blockList">
<h4>getMobRegionInfo</h4>
<pre>public static&nbsp;<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.428">getMobRegionInfo</a>(<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;tableName)</pre>
<div class="block">Gets the RegionInfo of the mob files. This is a dummy region. The mob files are not saved in a
region in HBase. It's internally used only.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>tableName</code> - </dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>A dummy mob region info.</dd>
</dl>
</li>
</ul>
<a name="isMobRegionInfo-org.apache.hadoop.hbase.client.RegionInfo-">
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<h4>isMobRegionInfo</h4>
<pre>public static&nbsp;boolean&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.438">isMobRegionInfo</a>(<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;regionInfo)</pre>
<div class="block">Gets whether the current RegionInfo is a mob one.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>regionInfo</code> - The current RegionInfo.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>If true, the current RegionInfo is a mob one.</dd>
</dl>
</li>
</ul>
<a name="isMobRegionName-org.apache.hadoop.hbase.TableName-byte:A-">
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<h4>isMobRegionName</h4>
<pre>public static&nbsp;boolean&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.450">isMobRegionName</a>(<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;tableName,
byte[]&nbsp;regionName)</pre>
<div class="block">Gets whether the current region name follows the pattern of a mob region name.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>tableName</code> - The current table name.</dd>
<dd><code>regionName</code> - The current region name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>True if the current region name follows the pattern of a mob region name.</dd>
</dl>
</li>
</ul>
<a name="removeMobFiles-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.hbase.TableName-org.apache.hadoop.fs.Path-byte:A-java.util.Collection-">
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<h4>removeMobFiles</h4>
<pre>public static&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.463">removeMobFiles</a>(org.apache.hadoop.conf.Configuration&nbsp;conf,
org.apache.hadoop.fs.FileSystem&nbsp;fs,
<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;tableName,
org.apache.hadoop.fs.Path&nbsp;tableDir,
byte[]&nbsp;family,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/regionserver/HStoreFile.html" title="class in org.apache.hadoop.hbase.regionserver">HStoreFile</a>&gt;&nbsp;storeFiles)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Archives the mob files.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - The current configuration.</dd>
<dd><code>fs</code> - The current file system.</dd>
<dd><code>tableName</code> - The table name.</dd>
<dd><code>tableDir</code> - The table directory.</dd>
<dd><code>family</code> - The name of the column family.</dd>
<dd><code>storeFiles</code> - The files to be deleted.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
</dl>
</li>
</ul>
<a name="createMobRefCell-org.apache.hadoop.hbase.Cell-byte:A-org.apache.hadoop.hbase.Tag-">
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<h4>createMobRefCell</h4>
<pre>public static&nbsp;<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.478">createMobRefCell</a>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell,
byte[]&nbsp;fileName,
<a href="../../../../../org/apache/hadoop/hbase/Tag.html" title="interface in org.apache.hadoop.hbase">Tag</a>&nbsp;tableNameTag)</pre>
<div class="block">Creates a mob reference KeyValue. The value of the mob reference KeyValue is mobCellValueSize +
mobFileName.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>cell</code> - The original Cell.</dd>
<dd><code>fileName</code> - The mob file name where the mob reference KeyValue is written.</dd>
<dd><code>tableNameTag</code> - The tag of the current table name. It's very important in cloning the
snapshot.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The mob reference KeyValue.</dd>
</dl>
</li>
</ul>
<a name="createMobRefCell-org.apache.hadoop.hbase.Cell-byte:A-byte:A-">
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byte[]&nbsp;fileName,
byte[]&nbsp;refCellTags)</pre>
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<a href="../../../../../org/apache/hadoop/hbase/client/ColumnFamilyDescriptor.html" title="interface in org.apache.hadoop.hbase.client">ColumnFamilyDescriptor</a>&nbsp;family,
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org.apache.hadoop.fs.Path&nbsp;basePath,
long&nbsp;maxKeyCount,
<a href="../../../../../org/apache/hadoop/hbase/io/compress/Compression.Algorithm.html" title="enum in org.apache.hadoop.hbase.io.compress">Compression.Algorithm</a>&nbsp;compression,
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<a href="../../../../../org/apache/hadoop/hbase/io/hfile/CacheConfig.html" title="class in org.apache.hadoop.hbase.io.hfile">CacheConfig</a>&nbsp;cacheConfig,
<a href="../../../../../org/apache/hadoop/hbase/io/crypto/Encryption.Context.html" title="class in org.apache.hadoop.hbase.io.crypto">Encryption.Context</a>&nbsp;cryptoContext,
boolean&nbsp;isCompaction,
<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>&nbsp;regionName)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Creates a writer for the mob file in temp directory.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - The current configuration.</dd>
<dd><code>fs</code> - The current file system.</dd>
<dd><code>family</code> - The descriptor of the current column family.</dd>
<dd><code>date</code> - The date string, its format is yyyymmmdd.</dd>
<dd><code>basePath</code> - The basic path for a temp directory.</dd>
<dd><code>maxKeyCount</code> - The key count.</dd>
<dd><code>compression</code> - The compression algorithm.</dd>
<dd><code>startKey</code> - The hex string of the start key.</dd>
<dd><code>cacheConfig</code> - The current cache config.</dd>
<dd><code>cryptoContext</code> - The encryption context.</dd>
<dd><code>isCompaction</code> - If the writer is used in compaction.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The writer for the mob file.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
</dl>
</li>
</ul>
<a name="createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.hbase.client.ColumnFamilyDescriptor-org.apache.hadoop.hbase.mob.MobFileName-org.apache.hadoop.fs.Path-long-org.apache.hadoop.hbase.io.compress.Compression.Algorithm-org.apache.hadoop.hbase.io.hfile.CacheConfig-org.apache.hadoop.hbase.io.crypto.Encryption.Context-boolean-">
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<pre>public static&nbsp;<a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFileWriter.html" title="class in org.apache.hadoop.hbase.regionserver">StoreFileWriter</a>&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.538">createWriter</a>(org.apache.hadoop.conf.Configuration&nbsp;conf,
org.apache.hadoop.fs.FileSystem&nbsp;fs,
<a href="../../../../../org/apache/hadoop/hbase/client/ColumnFamilyDescriptor.html" title="interface in org.apache.hadoop.hbase.client">ColumnFamilyDescriptor</a>&nbsp;family,
<a href="../../../../../org/apache/hadoop/hbase/mob/MobFileName.html" title="class in org.apache.hadoop.hbase.mob">MobFileName</a>&nbsp;mobFileName,
org.apache.hadoop.fs.Path&nbsp;basePath,
long&nbsp;maxKeyCount,
<a href="../../../../../org/apache/hadoop/hbase/io/compress/Compression.Algorithm.html" title="enum in org.apache.hadoop.hbase.io.compress">Compression.Algorithm</a>&nbsp;compression,
<a href="../../../../../org/apache/hadoop/hbase/io/hfile/CacheConfig.html" title="class in org.apache.hadoop.hbase.io.hfile">CacheConfig</a>&nbsp;cacheConfig,
<a href="../../../../../org/apache/hadoop/hbase/io/crypto/Encryption.Context.html" title="class in org.apache.hadoop.hbase.io.crypto">Encryption.Context</a>&nbsp;cryptoContext,
boolean&nbsp;isCompaction)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Creates a writer for the mob file in temp directory.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - The current configuration.</dd>
<dd><code>fs</code> - The current file system.</dd>
<dd><code>family</code> - The descriptor of the current column family.</dd>
<dd><code>mobFileName</code> - The mob file name.</dd>
<dd><code>basePath</code> - The basic path for a temp directory.</dd>
<dd><code>maxKeyCount</code> - The key count.</dd>
<dd><code>compression</code> - The compression algorithm.</dd>
<dd><code>cacheConfig</code> - The current cache config.</dd>
<dd><code>cryptoContext</code> - The encryption context.</dd>
<dd><code>isCompaction</code> - If the writer is used in compaction.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The writer for the mob file.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
</dl>
</li>
</ul>
<a name="createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.hbase.client.ColumnFamilyDescriptor-org.apache.hadoop.fs.Path-long-org.apache.hadoop.hbase.io.compress.Compression.Algorithm-org.apache.hadoop.hbase.io.hfile.CacheConfig-org.apache.hadoop.hbase.io.crypto.Encryption.Context-org.apache.hadoop.hbase.util.ChecksumType-int-int-org.apache.hadoop.hbase.regionserver.BloomType-boolean-">
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<pre>public static&nbsp;<a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFileWriter.html" title="class in org.apache.hadoop.hbase.regionserver">StoreFileWriter</a>&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.564">createWriter</a>(org.apache.hadoop.conf.Configuration&nbsp;conf,
org.apache.hadoop.fs.FileSystem&nbsp;fs,
<a href="../../../../../org/apache/hadoop/hbase/client/ColumnFamilyDescriptor.html" title="interface in org.apache.hadoop.hbase.client">ColumnFamilyDescriptor</a>&nbsp;family,
org.apache.hadoop.fs.Path&nbsp;path,
long&nbsp;maxKeyCount,
<a href="../../../../../org/apache/hadoop/hbase/io/compress/Compression.Algorithm.html" title="enum in org.apache.hadoop.hbase.io.compress">Compression.Algorithm</a>&nbsp;compression,
<a href="../../../../../org/apache/hadoop/hbase/io/hfile/CacheConfig.html" title="class in org.apache.hadoop.hbase.io.hfile">CacheConfig</a>&nbsp;cacheConfig,
<a href="../../../../../org/apache/hadoop/hbase/io/crypto/Encryption.Context.html" title="class in org.apache.hadoop.hbase.io.crypto">Encryption.Context</a>&nbsp;cryptoContext,
<a href="../../../../../org/apache/hadoop/hbase/util/ChecksumType.html" title="enum in org.apache.hadoop.hbase.util">ChecksumType</a>&nbsp;checksumType,
int&nbsp;bytesPerChecksum,
int&nbsp;blocksize,
<a href="../../../../../org/apache/hadoop/hbase/regionserver/BloomType.html" title="enum in org.apache.hadoop.hbase.regionserver">BloomType</a>&nbsp;bloomType,
boolean&nbsp;isCompaction)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Creates a writer for the mob file in temp directory.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - The current configuration.</dd>
<dd><code>fs</code> - The current file system.</dd>
<dd><code>family</code> - The descriptor of the current column family.</dd>
<dd><code>path</code> - The path for a temp directory.</dd>
<dd><code>maxKeyCount</code> - The key count.</dd>
<dd><code>compression</code> - The compression algorithm.</dd>
<dd><code>cacheConfig</code> - The current cache config.</dd>
<dd><code>cryptoContext</code> - The encryption context.</dd>
<dd><code>checksumType</code> - The checksum type.</dd>
<dd><code>bytesPerChecksum</code> - The bytes per checksum.</dd>
<dd><code>blocksize</code> - The HFile block size.</dd>
<dd><code>bloomType</code> - The bloom filter type.</dd>
<dd><code>isCompaction</code> - If the writer is used in compaction.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The writer for the mob file.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
</dl>
</li>
</ul>
<a name="hasValidMobRefCellValue-org.apache.hadoop.hbase.Cell-">
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<h4>hasValidMobRefCellValue</h4>
<pre>public static&nbsp;boolean&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.599">hasValidMobRefCellValue</a>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell)</pre>
<div class="block">Indicates whether the current mob ref cell has a valid value. A mob ref cell has a mob
reference tag. The value of a mob ref cell consists of two parts, real mob value length and mob
file name. The real mob value length takes 4 bytes. The remaining part is the mob file name.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>cell</code> - The mob ref cell.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>True if the cell has a valid value.</dd>
</dl>
</li>
</ul>
<a name="getMobValueLength-org.apache.hadoop.hbase.Cell-">
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<h4>getMobValueLength</h4>
<pre>public static&nbsp;int&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.610">getMobValueLength</a>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell)</pre>
<div class="block">Gets the mob value length from the mob ref cell. A mob ref cell has a mob reference tag. The
value of a mob ref cell consists of two parts, real mob value length and mob file name. The
real mob value length takes 4 bytes. The remaining part is the mob file name.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>cell</code> - The mob ref cell.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The real mob value length.</dd>
</dl>
</li>
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<h4>getMobFileName</h4>
<pre>public static&nbsp;<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>&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.621">getMobFileName</a>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell)</pre>
<div class="block">Gets the mob file name from the mob ref cell. A mob ref cell has a mob reference tag. The value
of a mob ref cell consists of two parts, real mob value length and mob file name. The real mob
value length takes 4 bytes. The remaining part is the mob file name.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>cell</code> - The mob ref cell.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The mob file name.</dd>
</dl>
</li>
</ul>
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<h4>hasMobColumns</h4>
<pre>public static&nbsp;boolean&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.631">hasMobColumns</a>(<a href="../../../../../org/apache/hadoop/hbase/client/TableDescriptor.html" title="interface in org.apache.hadoop.hbase.client">TableDescriptor</a>&nbsp;htd)</pre>
<div class="block">Checks whether this table has mob-enabled columns.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>htd</code> - The current table descriptor.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Whether this table has mob-enabled columns.</dd>
</dl>
</li>
</ul>
<a name="getMobColumnFamilies-org.apache.hadoop.hbase.client.TableDescriptor-">
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<h4>getMobColumnFamilies</h4>
<pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/client/ColumnFamilyDescriptor.html" title="interface in org.apache.hadoop.hbase.client">ColumnFamilyDescriptor</a>&gt;&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.646">getMobColumnFamilies</a>(<a href="../../../../../org/apache/hadoop/hbase/client/TableDescriptor.html" title="interface in org.apache.hadoop.hbase.client">TableDescriptor</a>&nbsp;htd)</pre>
<div class="block">Get list of Mob column families (if any exists)</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>htd</code> - table descriptor</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>list of Mob column families</dd>
</dl>
</li>
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<h4>isReadEmptyValueOnMobCellMiss</h4>
<pre>public static&nbsp;boolean&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.664">isReadEmptyValueOnMobCellMiss</a>(<a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a>&nbsp;scan)</pre>
<div class="block">Indicates whether return null value when the mob file is missing or corrupt. The information is
set in the attribute "empty.value.on.mobcell.miss" of scan.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>scan</code> - The current scan.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>True if the readEmptyValueOnMobCellMiss is enabled.</dd>
</dl>
</li>
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<h4>isMobFileExpired</h4>
<pre>public static&nbsp;boolean&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.681">isMobFileExpired</a>(<a href="../../../../../org/apache/hadoop/hbase/client/ColumnFamilyDescriptor.html" title="interface in org.apache.hadoop.hbase.client">ColumnFamilyDescriptor</a>&nbsp;column,
long&nbsp;current,
<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>&nbsp;fileDate)</pre>
<div class="block">Checks if the mob file is expired.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>column</code> - The descriptor of the current column family.</dd>
<dd><code>current</code> - The current time.</dd>
<dd><code>fileDate</code> - The date string parsed from the mob file name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>True if the mob file is expired.</dd>
</dl>
</li>
</ul>
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<h4>serializeMobFileRefs</h4>
<pre>public static&nbsp;byte[]&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.710">serializeMobFileRefs</a>(org.apache.hbase.thirdparty.com.google.common.collect.SetMultimap&lt;<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>,<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>&gt;&nbsp;mobRefSet)</pre>
<div class="block">Serialize a set of referenced mob hfiles</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>mobRefSet</code> - to serialize, may be null</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>byte array to i.e. put into store file metadata. will not be null</dd>
</dl>
</li>
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<h4>deserializeMobFileRefs</h4>
<pre>public static&nbsp;org.apache.hbase.thirdparty.com.google.common.collect.ImmutableSetMultimap.Builder&lt;<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>,<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>&gt;&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mob/MobUtils.html#line.751">deserializeMobFileRefs</a>(byte[]&nbsp;bytes)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</a></pre>
<div class="block">Deserialize the set of referenced mob hfiles from store file metadata.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>bytes</code> - compatibly serialized data. can not be null</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a setmultimap of original table to list of hfile names. will be empty if no values.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</a></code> - if there are values but no table name</dd>
</dl>
</li>
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</li>
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