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| <div class="subTitle">org.apache.hadoop.hbase.master.procedure</div> |
| <h2 title="Class MasterProcedureUtil" class="title">Class MasterProcedureUtil</h2> |
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| <li> |
| <ul class="inheritance"> |
| <li>org.apache.hadoop.hbase.master.procedure.MasterProcedureUtil</li> |
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| <pre>@InterfaceAudience.Private |
| @InterfaceStability.Evolving |
| public final class <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.html#line.43">MasterProcedureUtil</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> |
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| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.NonceProcedureRunnable.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureUtil.NonceProcedureRunnable</a></span></code> |
| <div class="block">Helper Runnable used in conjunction with submitProcedure() to deal with |
| submitting procs with nonce.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static interface </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.RSGroupGetter.html" title="interface in org.apache.hadoop.hbase.master.procedure">MasterProcedureUtil.RSGroupGetter</a></span></code> </td> |
| </tr> |
| </table> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/regex/Pattern.html?is-external=true" title="class or interface in java.util.regex">Pattern</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.html#PATTERN">PATTERN</a></span></code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="block"><span class="deprecationComment">Since 2.3.0, will be removed in 4.0.0. We do not use this style of procedure wal |
| file name any more.</span></div> |
| </div> |
| </td> |
| </tr> |
| </table> |
| </li> |
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| <th class="colFirst" scope="col">Modifier</th> |
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| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.html#MasterProcedureUtil--">MasterProcedureUtil</a></span>()</code> </td> |
| </tr> |
| </table> |
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| <li class="blockList"><a name="method.summary"> |
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| </a> |
| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupInfo.html" title="class in org.apache.hadoop.hbase.rsgroup">RSGroupInfo</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.html#checkGroupExists-org.apache.hadoop.hbase.master.procedure.MasterProcedureUtil.RSGroupGetter-java.util.Optional-java.util.function.Supplier-">checkGroupExists</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.RSGroupGetter.html" title="interface in org.apache.hadoop.hbase.master.procedure">MasterProcedureUtil.RSGroupGetter</a> getter, |
| <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><<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>> optGroupName, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Supplier.html?is-external=true" title="class or interface in java.util.function">Supplier</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>> forWhom)</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.html#checkGroupNotEmpty-org.apache.hadoop.hbase.rsgroup.RSGroupInfo-java.util.function.Supplier-">checkGroupNotEmpty</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupInfo.html" title="class in org.apache.hadoop.hbase.rsgroup">RSGroupInfo</a> rsGroupInfo, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Supplier.html?is-external=true" title="class or interface in java.util.function">Supplier</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>> forWhom)</code> |
| <div class="block">Do not allow creating new tables/namespaces which has an empty rs group, expect the default rs |
| group.</div> |
| </td> |
| </tr> |
| <tr id="i2" 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><<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/master/procedure/MasterProcedureUtil.html#getNamespaceGroup-org.apache.hadoop.hbase.NamespaceDescriptor-">getNamespaceGroup</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/NamespaceDescriptor.html" title="class in org.apache.hadoop.hbase">NamespaceDescriptor</a> namespaceDesc)</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.html#getServerPriority-org.apache.hadoop.hbase.master.procedure.ServerProcedureInterface-">getServerPriority</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ServerProcedureInterface.html" title="interface in org.apache.hadoop.hbase.master.procedure">ServerProcedureInterface</a> proc)</code> |
| <div class="block">Return the priority for the given procedure.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.html#getTablePriority-org.apache.hadoop.hbase.TableName-">getTablePriority</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName)</code> |
| <div class="block">Return the priority for the given table.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.html#submitProcedure-org.apache.hadoop.hbase.master.procedure.MasterProcedureUtil.NonceProcedureRunnable-">submitProcedure</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.NonceProcedureRunnable.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureUtil.NonceProcedureRunnable</a> runnable)</code> |
| <div class="block">Helper used to deal with submitting procs with nonce.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.UserInformation</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.html#toProtoUserInfo-org.apache.hadoop.hbase.security.User-">toProtoUserInfo</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/security/User.html" title="class in org.apache.hadoop.hbase.security">User</a> user)</code> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/hadoop/hbase/security/User.html" title="class in org.apache.hadoop.hbase.security">User</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.html#toUserInfo-org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.UserInformation-">toUserInfo</a></span>(org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.UserInformation userInfoProto)</code> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>static <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></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.html#unwrapRemoteIOException-org.apache.hadoop.hbase.procedure2.Procedure-">unwrapRemoteIOException</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a><?> proc)</code> |
| <div class="block">This is a version of unwrapRemoteIOException that can do DoNotRetryIOE.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.html#validateProcedureWALFilename-java.lang.String-">validateProcedureWALFilename</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> filename)</code> |
| <div class="block">A Procedure WAL file name is of the format: pv-<wal-id>.log where wal-id is 20 digits.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
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| <h3>Methods inherited from class java.lang.<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></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="field.detail"> |
| <!-- --> |
| </a> |
| <h3>Field Detail</h3> |
| <a name="PATTERN"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>PATTERN</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a> |
| private static final <a href="https://docs.oracle.com/javase/8/docs/api/java/util/regex/Pattern.html?is-external=true" title="class or interface in java.util.regex">Pattern</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.html#line.157">PATTERN</a></pre> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> <span class="deprecationComment">Since 2.3.0, will be removed in 4.0.0. We do not use this style of procedure wal |
| file name any more.</span></div> |
| <div class="block">Pattern used to validate a Procedure WAL file name see |
| <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.html#validateProcedureWALFilename-java.lang.String-"><code>validateProcedureWALFilename(String)</code></a> for description.</div> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="constructor.detail"> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a name="MasterProcedureUtil--"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>MasterProcedureUtil</h4> |
| <pre>private <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.html#line.45">MasterProcedureUtil</a>()</pre> |
| </li> |
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| <ul class="blockList"> |
| <li class="blockList"><a name="method.detail"> |
| <!-- --> |
| </a> |
| <h3>Method Detail</h3> |
| <a name="toProtoUserInfo-org.apache.hadoop.hbase.security.User-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>toProtoUserInfo</h4> |
| <pre>public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.UserInformation <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.html#line.47">toProtoUserInfo</a>(<a href="../../../../../../org/apache/hadoop/hbase/security/User.html" title="class in org.apache.hadoop.hbase.security">User</a> user)</pre> |
| </li> |
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| <a name="toUserInfo-org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.UserInformation-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>toUserInfo</h4> |
| <pre>public static <a href="../../../../../../org/apache/hadoop/hbase/security/User.html" title="class in org.apache.hadoop.hbase.security">User</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.html#line.56">toUserInfo</a>(org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.UserInformation userInfoProto)</pre> |
| </li> |
| </ul> |
| <a name="submitProcedure-org.apache.hadoop.hbase.master.procedure.MasterProcedureUtil.NonceProcedureRunnable-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>submitProcedure</h4> |
| <pre>public static long <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.html#line.133">submitProcedure</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.NonceProcedureRunnable.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureUtil.NonceProcedureRunnable</a> runnable) |
| 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">Helper used to deal with submitting procs with nonce. |
| Internally the NonceProcedureRunnable.run() will be called only if no one else |
| registered the nonce. any Exception thrown by the run() method will be |
| collected/handled and rethrown. |
| <code> |
| long procId = MasterProcedureUtil.submitProcedure( |
| new NonceProcedureRunnable(procExec, nonceGroup, nonce) { |
| @Override |
| public void run() { |
| cpHost.preOperation(); |
| submitProcedure(new MyProc()); |
| cpHost.postOperation(); |
| } |
| }); |
| </code></div> |
| <dl> |
| <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="validateProcedureWALFilename-java.lang.String-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>validateProcedureWALFilename</h4> |
| <pre>public static boolean <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.html#line.164">validateProcedureWALFilename</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> filename)</pre> |
| <div class="block">A Procedure WAL file name is of the format: pv-<wal-id>.log where wal-id is 20 digits.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>filename</code> - name of the file to validate</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd><tt>true</tt> if the filename matches a Procedure WAL, <tt>false</tt> otherwise</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getTablePriority-org.apache.hadoop.hbase.TableName-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getTablePriority</h4> |
| <pre>public static int <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.html#line.172">getTablePriority</a>(<a href="../../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName)</pre> |
| <div class="block">Return the priority for the given table. Now meta table is 3, other system tables are 2, and |
| user tables are 1.</div> |
| </li> |
| </ul> |
| <a name="getServerPriority-org.apache.hadoop.hbase.master.procedure.ServerProcedureInterface-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getServerPriority</h4> |
| <pre>public static int <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.html#line.186">getServerPriority</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ServerProcedureInterface.html" title="interface in org.apache.hadoop.hbase.master.procedure">ServerProcedureInterface</a> proc)</pre> |
| <div class="block">Return the priority for the given procedure. For now we only have two priorities, 100 for |
| server carrying meta, and 1 for others.</div> |
| </li> |
| </ul> |
| <a name="unwrapRemoteIOException-org.apache.hadoop.hbase.procedure2.Procedure-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>unwrapRemoteIOException</h4> |
| <pre>public static <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> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.html#line.196">unwrapRemoteIOException</a>(<a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a><?> proc)</pre> |
| <div class="block">This is a version of unwrapRemoteIOException that can do DoNotRetryIOE. |
| We need to throw DNRIOE to clients if a failed Procedure else they will |
| keep trying. The default proc.getException().unwrapRemoteException |
| doesn't have access to DNRIOE from the procedure2 module.</div> |
| </li> |
| </ul> |
| <a name="checkGroupNotEmpty-org.apache.hadoop.hbase.rsgroup.RSGroupInfo-java.util.function.Supplier-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>checkGroupNotEmpty</h4> |
| <pre>public static void <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.html#line.208">checkGroupNotEmpty</a>(<a href="../../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupInfo.html" title="class in org.apache.hadoop.hbase.rsgroup">RSGroupInfo</a> rsGroupInfo, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Supplier.html?is-external=true" title="class or interface in java.util.function">Supplier</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>> forWhom) |
| throws <a href="../../../../../../org/apache/hadoop/hbase/constraint/ConstraintException.html" title="class in org.apache.hadoop.hbase.constraint">ConstraintException</a></pre> |
| <div class="block">Do not allow creating new tables/namespaces which has an empty rs group, expect the default rs |
| group. Notice that we do not check for online servers, as this is not stable because region |
| servers can die at any time.</div> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/hadoop/hbase/constraint/ConstraintException.html" title="class in org.apache.hadoop.hbase.constraint">ConstraintException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="checkGroupExists-org.apache.hadoop.hbase.master.procedure.MasterProcedureUtil.RSGroupGetter-java.util.Optional-java.util.function.Supplier-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>checkGroupExists</h4> |
| <pre>public static <a href="../../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupInfo.html" title="class in org.apache.hadoop.hbase.rsgroup">RSGroupInfo</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.html#line.226">checkGroupExists</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.RSGroupGetter.html" title="interface in org.apache.hadoop.hbase.master.procedure">MasterProcedureUtil.RSGroupGetter</a> getter, |
| <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><<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>> optGroupName, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Supplier.html?is-external=true" title="class or interface in java.util.function">Supplier</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>> forWhom) |
| 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> |
| <dl> |
| <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="getNamespaceGroup-org.apache.hadoop.hbase.NamespaceDescriptor-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>getNamespaceGroup</h4> |
| <pre>public 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><<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>> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.html#line.240">getNamespaceGroup</a>(<a href="../../../../../../org/apache/hadoop/hbase/NamespaceDescriptor.html" title="class in org.apache.hadoop.hbase">NamespaceDescriptor</a> namespaceDesc)</pre> |
| </li> |
| </ul> |
| </li> |
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