本文整理匯總了Java中org.apache.hadoop.hbase.client.Admin.disableTable方法的典型用法代碼示例。如果您正苦於以下問題:Java Admin.disableTable方法的具體用法?Java Admin.disableTable怎麽用?Java Admin.disableTable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.Admin
的用法示例。
在下文中一共展示了Admin.disableTable方法的15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: deleteTable
import org.apache.hadoop.hbase.client.Admin; //導入方法依賴的package包/類
/**
* 刪除表
*
* @param tableName
*/
public void deleteTable(String tableName) {
HBaseConfiguration hBaseConfiguration = new HBaseConfiguration();
Admin admin = hBaseConfiguration.admin();
TableName tn = TableName.valueOf(tableName);
try {
if (admin.tableExists(tn)) {
admin.disableTable(tn);//先禁用表 才能刪除
admin.deleteTable(tn);
} else {
log.info("表名【" + tableName + "】不存在");
}
} catch (IOException e) {
e.printStackTrace();
} finally {
hBaseConfiguration.close();
}
}
示例2: testModifyTable
import org.apache.hadoop.hbase.client.Admin; //導入方法依賴的package包/類
@Test
public void testModifyTable() throws IOException {
Admin admin = TEST_UTIL.getHBaseAdmin();
// Create a table with one family
HTableDescriptor baseHtd = new HTableDescriptor(TABLE_NAME);
baseHtd.addFamily(new HColumnDescriptor(FAMILY_0));
admin.createTable(baseHtd);
admin.disableTable(TABLE_NAME);
try {
// Verify the table descriptor
verifyTableDescriptor(TABLE_NAME, FAMILY_0);
// Modify the table adding another family and verify the descriptor
HTableDescriptor modifiedHtd = new HTableDescriptor(TABLE_NAME);
modifiedHtd.addFamily(new HColumnDescriptor(FAMILY_0));
modifiedHtd.addFamily(new HColumnDescriptor(FAMILY_1));
admin.modifyTable(TABLE_NAME, modifiedHtd);
verifyTableDescriptor(TABLE_NAME, FAMILY_0, FAMILY_1);
} finally {
admin.deleteTable(TABLE_NAME);
}
}
示例3: testDeleteColumn
import org.apache.hadoop.hbase.client.Admin; //導入方法依賴的package包/類
@Test
public void testDeleteColumn() throws IOException {
Admin admin = TEST_UTIL.getHBaseAdmin();
// Create a table with two families
HTableDescriptor baseHtd = new HTableDescriptor(TABLE_NAME);
baseHtd.addFamily(new HColumnDescriptor(FAMILY_0));
baseHtd.addFamily(new HColumnDescriptor(FAMILY_1));
admin.createTable(baseHtd);
admin.disableTable(TABLE_NAME);
try {
// Verify the table descriptor
verifyTableDescriptor(TABLE_NAME, FAMILY_0, FAMILY_1);
// Modify the table removing one family and verify the descriptor
admin.deleteColumn(TABLE_NAME, FAMILY_1);
verifyTableDescriptor(TABLE_NAME, FAMILY_0);
} finally {
admin.deleteTable(TABLE_NAME);
}
}
示例4: testCreateTableWithDefaultFromConf
import org.apache.hadoop.hbase.client.Admin; //導入方法依賴的package包/類
@Test
public void testCreateTableWithDefaultFromConf() throws Exception {
TEST_UTIL.shutdownMiniCluster();
TEST_UTIL.getConfiguration().setInt("hbase.column.max.version", 3);
TEST_UTIL.startMiniCluster(1);
Admin admin = TEST_UTIL.getHBaseAdmin();
// Create a table with one family
HTableDescriptor baseHtd = new HTableDescriptor(TABLE_NAME);
HColumnDescriptor hcd = new HColumnDescriptor(FAMILY);
hcd.setMaxVersions(TEST_UTIL.getConfiguration().getInt("hbase.column.max.version", 1));
baseHtd.addFamily(hcd);
admin.createTable(baseHtd);
admin.disableTable(TABLE_NAME);
try {
// Verify the column descriptor
verifyHColumnDescriptor(3, TABLE_NAME, FAMILY);
} finally {
admin.deleteTable(TABLE_NAME);
}
}
示例5: setUp
import org.apache.hadoop.hbase.client.Admin; //導入方法依賴的package包/類
@Before
public void setUp() throws Exception {
LOG.info(String.format("Initializing cluster with %d region servers.",
REGION_SERVER_COUNT));
util.initializeCluster(REGION_SERVER_COUNT);
LOG.info("Cluster initialized");
Admin admin = util.getHBaseAdmin();
if (admin.tableExists(TABLE_NAME)) {
LOG.info(String.format("Deleting existing table %s.", TABLE_NAME));
if (admin.isTableEnabled(TABLE_NAME)) admin.disableTable(TABLE_NAME);
admin.deleteTable(TABLE_NAME);
LOG.info(String.format("Existing table %s deleted.", TABLE_NAME));
}
LOG.info("Cluster ready");
}
示例6: generateHBaseDatasetNullStr
import org.apache.hadoop.hbase.client.Admin; //導入方法依賴的package包/類
public static void generateHBaseDatasetNullStr(Connection conn, Admin admin, TableName tableName, int numberRegions) throws Exception {
if (admin.tableExists(tableName)) {
admin.disableTable(tableName);
admin.deleteTable(tableName);
}
HTableDescriptor desc = new HTableDescriptor(tableName);
desc.addFamily(new HColumnDescriptor("f"));
if (numberRegions > 1) {
admin.createTable(desc, Arrays.copyOfRange(SPLIT_KEYS, 0, numberRegions-1));
} else {
admin.createTable(desc);
}
BufferedMutator table = conn.getBufferedMutator(tableName);
Put p = new Put("a1".getBytes());
p.addColumn("f".getBytes(), "c1".getBytes(), "".getBytes());
p.addColumn("f".getBytes(), "c2".getBytes(), "".getBytes());
p.addColumn("f".getBytes(), "c3".getBytes(), "5".getBytes());
p.addColumn("f".getBytes(), "c4".getBytes(), "".getBytes());
table.mutate(p);
table.close();
}
示例7: deleteTable
import org.apache.hadoop.hbase.client.Admin; //導入方法依賴的package包/類
public static void deleteTable(HBaseTestingUtility testUtil, Admin admin, TableName tableName)
throws Exception {
// NOTE: We need a latch because admin is not sync,
// so the postOp coprocessor method may be called after the admin operation returned.
MasterSyncObserver observer = (MasterSyncObserver)testUtil.getHBaseCluster().getMaster()
.getMasterCoprocessorHost().findCoprocessor(MasterSyncObserver.class.getName());
observer.tableDeletionLatch = new CountDownLatch(1);
try {
admin.disableTable(tableName);
} catch (TableNotEnabledException e) {
LOG.debug("Table: " + tableName + " already disabled, so just deleting it.");
}
admin.deleteTable(tableName);
observer.tableDeletionLatch.await();
observer.tableDeletionLatch = null;
}
示例8: testAddColumn
import org.apache.hadoop.hbase.client.Admin; //導入方法依賴的package包/類
@Test
public void testAddColumn() throws IOException {
Admin admin = TEST_UTIL.getHBaseAdmin();
// Create a table with two families
HTableDescriptor baseHtd = new HTableDescriptor(TABLE_NAME);
baseHtd.addFamily(new HColumnDescriptor(FAMILY_0));
admin.createTable(baseHtd);
admin.disableTable(TABLE_NAME);
try {
// Verify the table descriptor
verifyTableDescriptor(TABLE_NAME, FAMILY_0);
// Modify the table removing one family and verify the descriptor
admin.addColumn(TABLE_NAME, new HColumnDescriptor(FAMILY_1));
verifyTableDescriptor(TABLE_NAME, FAMILY_0, FAMILY_1);
} finally {
admin.deleteTable(TABLE_NAME);
}
}
示例9: setUp
import org.apache.hadoop.hbase.client.Admin; //導入方法依賴的package包/類
@Before
public void setUp() throws Exception {
Admin admin = util.getHBaseAdmin();
if (admin.tableExists(tableName)) {
if (admin.isTableEnabled(tableName)) {
admin.disableTable(tableName);
}
admin.deleteTable(tableName);
}
util.createTable(tableName, new byte[][] {dummy, test});
}
示例10: testTableExists
import org.apache.hadoop.hbase.client.Admin; //導入方法依賴的package包/類
@Test public void testTableExists() throws IOException {
final TableName name =
TableName.valueOf("testTableExists");
assertFalse(MetaTableAccessor.tableExists(connection, name));
UTIL.createTable(name, HConstants.CATALOG_FAMILY);
assertTrue(MetaTableAccessor.tableExists(connection, name));
Admin admin = UTIL.getHBaseAdmin();
admin.disableTable(name);
admin.deleteTable(name);
assertFalse(MetaTableAccessor.tableExists(connection, name));
assertTrue(MetaTableAccessor.tableExists(connection,
TableName.META_TABLE_NAME));
}
示例11: generateHBaseDatasetFloatOB
import org.apache.hadoop.hbase.client.Admin; //導入方法依賴的package包/類
public static void generateHBaseDatasetFloatOB(Connection conn, Admin admin, TableName tableName, int numberRegions) throws Exception {
if (admin.tableExists(tableName)) {
admin.disableTable(tableName);
admin.deleteTable(tableName);
}
HTableDescriptor desc = new HTableDescriptor(tableName);
desc.addFamily(new HColumnDescriptor(FAMILY_F));
if (numberRegions > 1) {
admin.createTable(desc, Arrays.copyOfRange(SPLIT_KEYS, 0, numberRegions-1));
} else {
admin.createTable(desc);
}
BufferedMutator table = conn.getBufferedMutator(tableName);
for (float i = (float)0.5; i <= 100.00; i += 0.75) {
byte[] bytes = new byte[5];
PositionedByteRange br = new SimplePositionedMutableByteRange(bytes, 0, 5);
OrderedBytes.encodeFloat32(br, i,Order.ASCENDING);
Put p = new Put(bytes);
p.addColumn(FAMILY_F, COLUMN_C, String.format("value %03f", i).getBytes());
table.mutate(p);
}
table.close();
admin.flush(tableName);
}
示例12: generateHBaseDatasetBigIntOB
import org.apache.hadoop.hbase.client.Admin; //導入方法依賴的package包/類
public static void generateHBaseDatasetBigIntOB(Connection conn, Admin admin, TableName tableName, int numberRegions) throws Exception {
if (admin.tableExists(tableName)) {
admin.disableTable(tableName);
admin.deleteTable(tableName);
}
HTableDescriptor desc = new HTableDescriptor(tableName);
desc.addFamily(new HColumnDescriptor(FAMILY_F));
if (numberRegions > 1) {
admin.createTable(desc, Arrays.copyOfRange(SPLIT_KEYS, 0, numberRegions-1));
} else {
admin.createTable(desc);
}
BufferedMutator table = conn.getBufferedMutator(tableName);
long startTime = (long)1438034423 * 1000;
for (long i = startTime; i <= startTime + 100; i ++) {
byte[] bytes = new byte[9];
PositionedByteRange br = new SimplePositionedMutableByteRange(bytes, 0, 9);
OrderedBytes.encodeInt64(br, i, Order.ASCENDING);
Put p = new Put(bytes);
p.addColumn(FAMILY_F, COLUMN_C, String.format("value %d", i).getBytes());
table.mutate(p);
}
table.close();
admin.flush(tableName);
}
示例13: generateHBaseDatasetIntOB
import org.apache.hadoop.hbase.client.Admin; //導入方法依賴的package包/類
public static void generateHBaseDatasetIntOB(Connection conn, Admin admin, TableName tableName, int numberRegions) throws Exception {
if (admin.tableExists(tableName)) {
admin.disableTable(tableName);
admin.deleteTable(tableName);
}
HTableDescriptor desc = new HTableDescriptor(tableName);
desc.addFamily(new HColumnDescriptor(FAMILY_F));
if (numberRegions > 1) {
admin.createTable(desc, Arrays.copyOfRange(SPLIT_KEYS, 0, numberRegions-1));
} else {
admin.createTable(desc);
}
BufferedMutator table = conn.getBufferedMutator(tableName);
for (int i = -49; i <= 100; i ++) {
byte[] bytes = new byte[5];
PositionedByteRange br = new SimplePositionedMutableByteRange(bytes, 0, 5);
OrderedBytes.encodeInt32(br, i, Order.ASCENDING);
Put p = new Put(bytes);
p.addColumn(FAMILY_F, COLUMN_C, String.format("value %d", i).getBytes());
table.mutate(p);
}
table.close();
admin.flush(tableName);
}
示例14: setTableRep
import org.apache.hadoop.hbase.client.Admin; //導入方法依賴的package包/類
/**
* Set the table's replication switch if the table's replication switch is already not set.
* @param tableName name of the table
* @param isRepEnabled is replication switch enable or disable
* @throws IOException if a remote or network exception occurs
*/
private void setTableRep(final TableName tableName, boolean isRepEnabled) throws IOException {
Admin admin = null;
try {
admin = this.connection.getAdmin();
HTableDescriptor htd = admin.getTableDescriptor(tableName);
if (isTableRepEnabled(htd) ^ isRepEnabled) {
boolean isOnlineSchemaUpdateEnabled =
this.connection.getConfiguration()
.getBoolean("hbase.online.schema.update.enable", true);
if (!isOnlineSchemaUpdateEnabled) {
admin.disableTable(tableName);
}
for (HColumnDescriptor hcd : htd.getFamilies()) {
hcd.setScope(isRepEnabled ? HConstants.REPLICATION_SCOPE_GLOBAL
: HConstants.REPLICATION_SCOPE_LOCAL);
}
admin.modifyTable(tableName, htd);
if (!isOnlineSchemaUpdateEnabled) {
admin.enableTable(tableName);
}
}
} finally {
if (admin != null) {
try {
admin.close();
} catch (IOException e) {
LOG.warn("Failed to close admin connection.");
LOG.debug("Details on failure to close admin connection.", e);
}
}
}
}
示例15: destroy
import org.apache.hadoop.hbase.client.Admin; //導入方法依賴的package包/類
private static void destroy(Admin admin, TableName tableName) throws IOException {
try {
admin.disableTable(tableName);
admin.deleteTable(tableName);
} catch (TableNotFoundException tnfe) {
/* Ignore */
}
}