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| <div class="subTitle">org.apache.hbase.archetypes.exemplars.client</div> |
| <h2 title="Class HelloHBase" class="title">Class HelloHBase</h2> |
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| <li>org.apache.hbase.archetypes.exemplars.client.HelloHBase</li> |
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| <pre>public final class <a href="../../../../../../src-html/org/apache/hbase/archetypes/exemplars/client/HelloHBase.html#line.45">HelloHBase</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">Successful running of this application requires access to an active instance |
| of HBase. For install instructions for a standalone instance of HBase, please |
| refer to https://hbase.apache.org/book.html#quickstart</div> |
| </li> |
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| <h3>Field Summary</h3> |
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| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
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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>(package private) static byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hbase/archetypes/exemplars/client/HelloHBase.html#MY_COLUMN_FAMILY_NAME">MY_COLUMN_FAMILY_NAME</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>(package private) static byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hbase/archetypes/exemplars/client/HelloHBase.html#MY_FIRST_COLUMN_QUALIFIER">MY_FIRST_COLUMN_QUALIFIER</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected 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/hbase/archetypes/exemplars/client/HelloHBase.html#MY_NAMESPACE_NAME">MY_NAMESPACE_NAME</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>(package private) static byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hbase/archetypes/exemplars/client/HelloHBase.html#MY_ROW_ID">MY_ROW_ID</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>(package private) static byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hbase/archetypes/exemplars/client/HelloHBase.html#MY_SECOND_COLUMN_QUALIFIER">MY_SECOND_COLUMN_QUALIFIER</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>(package private) static <a href="../../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hbase/archetypes/exemplars/client/HelloHBase.html#MY_TABLE_NAME">MY_TABLE_NAME</a></span></code> </td> |
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| <th class="colFirst" scope="col">Modifier</th> |
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| <td class="colFirst"><code>private </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hbase/archetypes/exemplars/client/HelloHBase.html#HelloHBase--">HelloHBase</a></span>()</code> </td> |
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| <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>(package private) static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hbase/archetypes/exemplars/client/HelloHBase.html#createNamespaceAndTable-org.apache.hadoop.hbase.client.Admin-">createNamespaceAndTable</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/client/Admin.html" title="interface in org.apache.hadoop.hbase.client">Admin</a> admin)</code> |
| <div class="block">Invokes Admin#createNamespace and Admin#createTable to create a namespace |
| with a table that has one column-family.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>(package private) static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hbase/archetypes/exemplars/client/HelloHBase.html#deleteNamespaceAndTable-org.apache.hadoop.hbase.client.Admin-">deleteNamespaceAndTable</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/client/Admin.html" title="interface in org.apache.hadoop.hbase.client">Admin</a> admin)</code> |
| <div class="block">Invokes Admin#disableTable, Admin#deleteTable, and Admin#deleteNamespace to |
| disable/delete Table and delete Namespace.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>(package private) static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hbase/archetypes/exemplars/client/HelloHBase.html#deleteRow-org.apache.hadoop.hbase.client.Table-">deleteRow</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/client/Table.html" title="interface in org.apache.hadoop.hbase.client">Table</a> table)</code> |
| <div class="block">Invokes Table#delete to delete test data (i.e.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>(package private) static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hbase/archetypes/exemplars/client/HelloHBase.html#getAndPrintRowContents-org.apache.hadoop.hbase.client.Table-">getAndPrintRowContents</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/client/Table.html" title="interface in org.apache.hadoop.hbase.client">Table</a> table)</code> |
| <div class="block">Invokes Table#get and prints out the contents of the retrieved row.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hbase/archetypes/exemplars/client/HelloHBase.html#main-java.lang.String:A-">main</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>[] args)</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>(package private) static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hbase/archetypes/exemplars/client/HelloHBase.html#namespaceExists-org.apache.hadoop.hbase.client.Admin-java.lang.String-">namespaceExists</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/client/Admin.html" title="interface in org.apache.hadoop.hbase.client">Admin</a> admin, |
| <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> namespaceName)</code> |
| <div class="block">Checks to see whether a namespace exists.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>(package private) static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hbase/archetypes/exemplars/client/HelloHBase.html#putRowToTable-org.apache.hadoop.hbase.client.Table-">putRowToTable</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/client/Table.html" title="interface in org.apache.hadoop.hbase.client">Table</a> table)</code> |
| <div class="block">Invokes Table#put to store a row (with two new columns created 'on the |
| fly') into the table.</div> |
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| </ul> |
| </li> |
| </ul> |
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| <div class="details"> |
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| <h4>MY_NAMESPACE_NAME</h4> |
| <pre>protected static final <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/hbase/archetypes/exemplars/client/HelloHBase.html#line.47">MY_NAMESPACE_NAME</a></pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../constant-values.html#org.apache.hbase.archetypes.exemplars.client.HelloHBase.MY_NAMESPACE_NAME">Constant Field Values</a></dd> |
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| <h4>MY_TABLE_NAME</h4> |
| <pre>static final <a href="../../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> <a href="../../../../../../src-html/org/apache/hbase/archetypes/exemplars/client/HelloHBase.html#line.48">MY_TABLE_NAME</a></pre> |
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| <h4>MY_COLUMN_FAMILY_NAME</h4> |
| <pre>static final byte[] <a href="../../../../../../src-html/org/apache/hbase/archetypes/exemplars/client/HelloHBase.html#line.49">MY_COLUMN_FAMILY_NAME</a></pre> |
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| <h4>MY_FIRST_COLUMN_QUALIFIER</h4> |
| <pre>static final byte[] <a href="../../../../../../src-html/org/apache/hbase/archetypes/exemplars/client/HelloHBase.html#line.50">MY_FIRST_COLUMN_QUALIFIER</a></pre> |
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| <h4>MY_SECOND_COLUMN_QUALIFIER</h4> |
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| <h4>MY_ROW_ID</h4> |
| <pre>static final byte[] <a href="../../../../../../src-html/org/apache/hbase/archetypes/exemplars/client/HelloHBase.html#line.54">MY_ROW_ID</a></pre> |
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| <h4>HelloHBase</h4> |
| <pre>private <a href="../../../../../../src-html/org/apache/hbase/archetypes/exemplars/client/HelloHBase.html#line.57">HelloHBase</a>()</pre> |
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| <h4>main</h4> |
| <pre>public static void <a href="../../../../../../src-html/org/apache/hbase/archetypes/exemplars/client/HelloHBase.html#line.60">main</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>[] args) |
| 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> |
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| <h4>createNamespaceAndTable</h4> |
| <pre>static void <a href="../../../../../../src-html/org/apache/hbase/archetypes/exemplars/client/HelloHBase.html#line.101">createNamespaceAndTable</a>(<a href="../../../../../../org/apache/hadoop/hbase/client/Admin.html" title="interface in org.apache.hadoop.hbase.client">Admin</a> admin) |
| 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">Invokes Admin#createNamespace and Admin#createTable to create a namespace |
| with a table that has one column-family.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>admin</code> - Standard Admin object</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> - If IO problem encountered</dd> |
| </dl> |
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| <a name="putRowToTable-org.apache.hadoop.hbase.client.Table-"> |
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| </a> |
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| <li class="blockList"> |
| <h4>putRowToTable</h4> |
| <pre>static void <a href="../../../../../../src-html/org/apache/hbase/archetypes/exemplars/client/HelloHBase.html#line.127">putRowToTable</a>(<a href="../../../../../../org/apache/hadoop/hbase/client/Table.html" title="interface in org.apache.hadoop.hbase.client">Table</a> table) |
| 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">Invokes Table#put to store a row (with two new columns created 'on the |
| fly') into the table.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>table</code> - Standard Table object (used for CRUD operations).</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> - If IO problem encountered</dd> |
| </dl> |
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| </ul> |
| <a name="getAndPrintRowContents-org.apache.hadoop.hbase.client.Table-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getAndPrintRowContents</h4> |
| <pre>static void <a href="../../../../../../src-html/org/apache/hbase/archetypes/exemplars/client/HelloHBase.html#line.151">getAndPrintRowContents</a>(<a href="../../../../../../org/apache/hadoop/hbase/client/Table.html" title="interface in org.apache.hadoop.hbase.client">Table</a> table) |
| 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">Invokes Table#get and prints out the contents of the retrieved row.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>table</code> - Standard Table object</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> - If IO problem encountered</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="namespaceExists-org.apache.hadoop.hbase.client.Admin-java.lang.String-"> |
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| <h4>namespaceExists</h4> |
| <pre>static boolean <a href="../../../../../../src-html/org/apache/hbase/archetypes/exemplars/client/HelloHBase.html#line.185">namespaceExists</a>(<a href="../../../../../../org/apache/hadoop/hbase/client/Admin.html" title="interface in org.apache.hadoop.hbase.client">Admin</a> admin, |
| <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> namespaceName) |
| 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">Checks to see whether a namespace exists.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>admin</code> - Standard Admin object</dd> |
| <dd><code>namespaceName</code> - Name of namespace</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true If namespace exists</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> - If IO problem encountered</dd> |
| </dl> |
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| <a name="deleteRow-org.apache.hadoop.hbase.client.Table-"> |
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| <h4>deleteRow</h4> |
| <pre>static void <a href="../../../../../../src-html/org/apache/hbase/archetypes/exemplars/client/HelloHBase.html#line.201">deleteRow</a>(<a href="../../../../../../org/apache/hadoop/hbase/client/Table.html" title="interface in org.apache.hadoop.hbase.client">Table</a> table) |
| 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">Invokes Table#delete to delete test data (i.e. the row)</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>table</code> - Standard Table object</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> - If IO problem is encountered</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="deleteNamespaceAndTable-org.apache.hadoop.hbase.client.Admin-"> |
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| <h4>deleteNamespaceAndTable</h4> |
| <pre>static void <a href="../../../../../../src-html/org/apache/hbase/archetypes/exemplars/client/HelloHBase.html#line.215">deleteNamespaceAndTable</a>(<a href="../../../../../../org/apache/hadoop/hbase/client/Admin.html" title="interface in org.apache.hadoop.hbase.client">Admin</a> admin) |
| 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">Invokes Admin#disableTable, Admin#deleteTable, and Admin#deleteNamespace to |
| disable/delete Table and delete Namespace.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>admin</code> - Standard Admin object</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> - If IO problem is encountered</dd> |
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