本文整理汇总了Java中org.apache.hadoop.hbase.client.HBaseAdmin.deleteNamespace方法的典型用法代码示例。如果您正苦于以下问题：Java HBaseAdmin.deleteNamespace方法的具体用法？Java HBaseAdmin.deleteNamespace怎么用？Java HBaseAdmin.deleteNamespace使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.hadoop.hbase.client.HBaseAdmin的用法示例。
在下文中一共展示了HBaseAdmin.deleteNamespace方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: dropNamespace
import org.apache.hadoop.hbase.client.HBaseAdmin; //导入方法依赖的package包/类
protected static void dropNamespace(HBaseAdmin admin, String namespaceName) throws IOException {
if (!testNamespaceCreated) return;
try {
admin.deleteNamespace(namespaceName);
testNamespaceCreated = false;
} catch (NamespaceNotFoundException ignore) {
}
}
示例2: testNamespaceOperations
import org.apache.hadoop.hbase.client.HBaseAdmin; //导入方法依赖的package包/类
@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());
}