本文整理匯總了Java中org.apache.hadoop.hbase.client.HBaseAdmin.modifyNamespace方法的典型用法代碼示例。如果您正苦於以下問題：Java HBaseAdmin.modifyNamespace方法的具體用法？Java HBaseAdmin.modifyNamespace怎麽用？Java HBaseAdmin.modifyNamespace使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.apache.hadoop.hbase.client.HBaseAdmin的用法示例。
在下文中一共展示了HBaseAdmin.modifyNamespace方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: testNamespaceOperations
import org.apache.hadoop.hbase.client.HBaseAdmin; //導入方法依賴的package包/類
@Test
public void testNamespaceOperations() throws Exception {
MiniHBaseCluster cluster = UTIL.getHBaseCluster();
String testNamespace = "observed_ns";
HMaster master = cluster.getMaster();
MasterCoprocessorHost host = master.getCoprocessorHost();
CPMasterObserver cp = (CPMasterObserver)host.findCoprocessor(
CPMasterObserver.class.getName());
cp.enableBypass(false);
cp.resetStates();
// create a table
HBaseAdmin admin = UTIL.getHBaseAdmin();
admin.createNamespace(NamespaceDescriptor.create(testNamespace).build());
assertTrue("Test namespace should be created", cp.wasCreateNamespaceCalled());
assertNotNull(admin.getNamespaceDescriptor(testNamespace));
// turn off bypass, run the tests again
cp.enableBypass(true);
cp.resetStates();
admin.modifyNamespace(NamespaceDescriptor.create(testNamespace).build());
assertTrue("Test namespace should not have been modified",
cp.preModifyNamespaceCalledOnly());
assertNotNull(admin.getNamespaceDescriptor(testNamespace));
admin.deleteNamespace(testNamespace);
assertTrue("Test namespace should not have been deleted", cp.preDeleteNamespaceCalledOnly());
assertNotNull(admin.getNamespaceDescriptor(testNamespace));
cp.enableBypass(false);
cp.resetStates();
// delete table
admin.modifyNamespace(NamespaceDescriptor.create(testNamespace).build());
assertTrue("Test namespace should have been modified", cp.wasModifyNamespaceCalled());
admin.deleteNamespace(testNamespace);
assertTrue("Test namespace should have been deleted", cp.wasDeleteNamespaceCalled());
cp.enableBypass(true);
cp.resetStates();
admin.createNamespace(NamespaceDescriptor.create(testNamespace).build());
assertTrue("Test namespace should not be created", cp.preCreateNamespaceCalledOnly());
}