Java HBaseAdmin.isTableEnabled方法代碼示例

import org.apache.hadoop.hbase.client.HBaseAdmin; //導入方法依賴的package包/類
/**
 * delete table in preparation for next test
 * 
 * @param tablename
 * @throws IOException
 */
void deleteTable(String tablename) throws IOException {
  HBaseAdmin admin = new HBaseAdmin(conf);
  admin.getConnection().clearRegionCache();
  byte[] tbytes = Bytes.toBytes(tablename);
  if (admin.isTableEnabled(tbytes)) {
    admin.disableTableAsync(tbytes);
  }
  while (!admin.isTableDisabled(tbytes)) {
    try {
      Thread.sleep(250);
    } catch (InterruptedException e) {
      e.printStackTrace();
      fail("Interrupted when trying to disable table " + tablename);
    }
  }
  admin.deleteTable(tbytes);
}
 

import org.apache.hadoop.hbase.client.HBaseAdmin; //導入方法依賴的package包/類
public static void createTableAndColumn(Configuration conf,
                                        String table,
                                        byte[] columnFamily)
    throws IOException {
  HBaseAdmin hbase = new HBaseAdmin(conf);
  HTableDescriptor desc = new HTableDescriptor(table);
  HColumnDescriptor meta = new HColumnDescriptor(columnFamily);
  desc.addFamily(meta);
  if (hbase.tableExists(table)) {
    if(hbase.isTableEnabled(table)) {
      hbase.disableTable(table);
    }
    hbase.deleteTable(table);
  }
  hbase.createTable(desc);
}
 

import org.apache.hadoop.hbase.client.HBaseAdmin; //導入方法依賴的package包/類
/**
 * delete table in preparation for next test
 *
 * @param tablename
 * @throws IOException
 */
void deleteTable(TableName tablename) throws IOException {
  HBaseAdmin admin = new HBaseAdmin(conf);
  admin.getConnection().clearRegionCache();
  if (admin.isTableEnabled(tablename)) {
    admin.disableTableAsync(tablename);
  }
  long totalWait = 0;
  long maxWait = 30*1000;
  long sleepTime = 250;
  while (!admin.isTableDisabled(tablename)) {
    try {
      Thread.sleep(sleepTime);
      totalWait += sleepTime;
      if (totalWait >= maxWait) {
        fail("Waited too long for table to be disabled + " + tablename);
      }
    } catch (InterruptedException e) {
      e.printStackTrace();
      fail("Interrupted when trying to disable table " + tablename);
    }
  }
  admin.deleteTable(tablename);
}
 

import org.apache.hadoop.hbase.client.HBaseAdmin; //導入方法依賴的package包/類
@Before
public void before() throws Exception  {
  HBaseAdmin admin = TEST_UTIL.getHBaseAdmin();
  if (admin.tableExists(TABLE)) {
    if (admin.isTableEnabled(TABLE)) admin.disableTable(TABLE);
    admin.deleteTable(TABLE);
  }
  HTableDescriptor htd = new HTableDescriptor(TABLE);
  htd.addFamily(new HColumnDescriptor(COLUMN_1).setMaxVersions(3));
  htd.addFamily(new HColumnDescriptor(COLUMN_2).setMaxVersions(3));
  htd.addFamily(new HColumnDescriptor(COLUMN_3).setMaxVersions(3));
  admin.createTable(htd);
  HTable table = null;
  try {
    table = new HTable(TEST_UTIL.getConfiguration(), TABLE);
    Put put = new Put(ROW_1);
    put.add(COLUMN_1, QUALIFIER_1, TS_2, VALUE_1);
    table.put(put);
    put = new Put(ROW_2);
    put.add(COLUMN_1, QUALIFIER_1, TS_1, VALUE_1);
    put.add(COLUMN_1, QUALIFIER_1, TS_2, VALUE_2);
    put.add(COLUMN_2, QUALIFIER_2, TS_2, VALUE_2);
    table.put(put);
    table.flushCommits();
  } finally {
    if (null != table) table.close();
  }
  remoteTable = new RemoteHTable(
    new Client(new Cluster().add("localhost", 
        REST_TEST_UTIL.getServletPort())),
      TEST_UTIL.getConfiguration(), TABLE);
}
 

import org.apache.hadoop.hbase.client.HBaseAdmin; //導入方法依賴的package包/類
/**
* Test that use this should have a timeout, because this method could potentially wait forever.
*/
private void doQuarantineTest(String table, HBaseFsck hbck, int check, int corrupt, int fail,
    int quar, int missing) throws Exception {
  try {
    setupTable(table);
    assertEquals(ROWKEYS.length, countRows());
    TEST_UTIL.getHBaseAdmin().flush(table); // flush is async.

    // Mess it up by leaving a hole in the assignment, meta, and hdfs data
    TEST_UTIL.getHBaseAdmin().disableTable(table);
    
    String[] args = {"-sidelineCorruptHFiles", "-repairHoles", "-ignorePreCheckPermission", table};
    ExecutorService exec = new ScheduledThreadPoolExecutor(10);
    HBaseFsck res = hbck.exec(exec, args);

    HFileCorruptionChecker hfcc = res.getHFilecorruptionChecker();
    assertEquals(hfcc.getHFilesChecked(), check);
    assertEquals(hfcc.getCorrupted().size(), corrupt);
    assertEquals(hfcc.getFailures().size(), fail);
    assertEquals(hfcc.getQuarantined().size(), quar);
    assertEquals(hfcc.getMissing().size(), missing);

    // its been fixed, verify that we can enable
    HBaseAdmin admin = TEST_UTIL.getHBaseAdmin();
    admin.enableTableAsync(table);
    while (!admin.isTableEnabled(table)) {
      try {
        Thread.sleep(250);
      } catch (InterruptedException e) {
        e.printStackTrace();
        fail("Interrupted when trying to enable table " + table);
      }
    }
  } finally {
    deleteTable(table);
  }
}
 

import org.apache.hadoop.hbase.client.HBaseAdmin; //導入方法依賴的package包/類
public static void validateTable(HBaseAdmin admin, String tableName) throws IOException, InterruptedException {
    if (tableName.equals(Args.ALL_TABLES)) return;

    boolean tableExists = false;
    try {
        if (tableName.contains(Constant.TABLE_DELIMITER)) {
            String[] tables = tableName.split(Constant.TABLE_DELIMITER);
            for (String table : tables) {
                tableExists = admin.tableExists(table);
            }
        } else {
            tableExists = admin.listTables(tableName).length > 0;
        }
    } catch (Exception e) {
        Thread.sleep(1000);
        System.out.println();
        System.out.println(admin.getConfiguration().get("hbase.zookeeper.quorum") + " is invalid zookeeper quorum");
        System.exit(1);
    }
    if (tableExists) {
        try {
            if (!admin.isTableEnabled(tableName)) {
                throw new InvalidTableException("Table is not enabled.");
            }
        } catch (Exception ignore) {
        }
    } else {
        throw new InvalidTableException("Table does not exist.");
    }
}
 

import org.apache.hadoop.hbase.client.HBaseAdmin; //導入方法依賴的package包/類
@Before
public void before() throws Exception  {
  HBaseAdmin admin = TEST_UTIL.getHBaseAdmin();
  if (admin.tableExists(TABLE)) {
    if (admin.isTableEnabled(TABLE)) admin.disableTable(TABLE);
    admin.deleteTable(TABLE);
  }
  HTableDescriptor htd = new HTableDescriptor(TableName.valueOf(TABLE));
  htd.addFamily(new HColumnDescriptor(COLUMN_1).setMaxVersions(3));
  htd.addFamily(new HColumnDescriptor(COLUMN_2).setMaxVersions(3));
  htd.addFamily(new HColumnDescriptor(COLUMN_3).setMaxVersions(3));
  admin.createTable(htd);
  HTable table = null;
  try {
    table = new HTable(TEST_UTIL.getConfiguration(), TABLE);
    Put put = new Put(ROW_1);
    put.add(COLUMN_1, QUALIFIER_1, TS_2, VALUE_1);
    table.put(put);
    put = new Put(ROW_2);
    put.add(COLUMN_1, QUALIFIER_1, TS_1, VALUE_1);
    put.add(COLUMN_1, QUALIFIER_1, TS_2, VALUE_2);
    put.add(COLUMN_2, QUALIFIER_2, TS_2, VALUE_2);
    table.put(put);
    table.flushCommits();
  } finally {
    if (null != table) table.close();
  }
  remoteTable = new RemoteHTable(
    new Client(new Cluster().add("localhost", 
        REST_TEST_UTIL.getServletPort())),
      TEST_UTIL.getConfiguration(), TABLE);
}
 

import org.apache.hadoop.hbase.client.HBaseAdmin; //導入方法依賴的package包/類
@Test
public void modifyTable() throws Exception {
	String TABLE_NAME = "TEST_BENCHMARK";
	//
	Configuration configuration = createConfiguration();
	HBaseAdmin hbaseAdmin = createHBaseAdmin(configuration);
	HTableDescriptor htd = hbaseAdmin.getTableDescriptor(Bytes
			.toBytes(TABLE_NAME));
	//
	HTableDescriptor newHtd = new HTableDescriptor(htd);
	newHtd.setValue(HTableDescriptor.SPLIT_POLICY,
			ConstantSizeRegionSplitPolicy.class.getName());
	//
	boolean disabled = false;
	if (hbaseAdmin.isTableEnabled(TABLE_NAME)) {
		hbaseAdmin.disableTable(TABLE_NAME);
		disabled = true;
	}
	//
	hbaseAdmin.modifyTable(Bytes.toBytes(TABLE_NAME), newHtd);
	//
	if (disabled) {
		hbaseAdmin.enableTable(TABLE_NAME);
	}
	//
	System.out.println(newHtd);
}
 

import org.apache.hadoop.hbase.client.HBaseAdmin; //導入方法依賴的package包/類
protected static void validateTable(HBaseAdmin admin, String tableName) throws IOException, InterruptedException {
    if (tableName.equals(Args.ALL_TABLES)) return;

    boolean tableExists = admin.tableExists(tableName);
    if (tableExists) {
        if (!admin.isTableEnabled(tableName)) {
            throw new InvalidTableException("Table is not enabled.");
        }
    } else {
        throw new InvalidTableException("Table does not exist.");
    }
}
 

import org.apache.hadoop.hbase.client.HBaseAdmin; //導入方法依賴的package包/類
@Test
public void deleteTable() throws Exception {
	String TABLE_NAME = "TEST_BENCHMARK";
	//
	Configuration configuration = createConfiguration();
	HBaseAdmin hbaseAdmin = createHBaseAdmin(configuration);
	if (hbaseAdmin.isTableEnabled(TABLE_NAME)) {
		hbaseAdmin.disableTable(TABLE_NAME);
	}
	//
	hbaseAdmin.deleteTable(TABLE_NAME); // TableNotFoundException
	//
	System.out.println("delete table");
}
 

import org.apache.hadoop.hbase.client.HBaseAdmin; //導入方法依賴的package包/類
@After
public void tearDown() throws IOException {
  LOG.info("Cleaning up after test.");
  HBaseAdmin admin = util.getHBaseAdmin();
  if (admin.tableExists(TABLE_NAME)) {
    if (admin.isTableEnabled(TABLE_NAME)) admin.disableTable(TABLE_NAME);
    admin.deleteTable(TABLE_NAME);
  }
  LOG.info("Restoring cluster.");
  util.restoreCluster();
  LOG.info("Cluster restored.");
}
 

import org.apache.hadoop.hbase.client.HBaseAdmin; //導入方法依賴的package包/類
private void testSplitBeforeSettingSplittingInZK(boolean nodeCreated) throws Exception {
  final byte[] tableName = Bytes.toBytes("testSplitBeforeSettingSplittingInZK");
  
  HBaseAdmin admin = new HBaseAdmin(TESTING_UTIL.getConfiguration());
  // Create table then get the single region for our new table.
  HTableDescriptor htd = new HTableDescriptor(tableName);
  htd.addFamily(new HColumnDescriptor("cf"));
  admin.createTable(htd);

  List<HRegion> regions = null;
  for (int i=0; i<100; i++) {
    regions = cluster.getRegions(tableName);
    if (regions.size() > 0) break;
    Thread.sleep(100);
  }
  int regionServerIndex = cluster.getServerWith(regions.get(0).getRegionName());
  HRegionServer regionServer = cluster.getRegionServer(regionServerIndex);
  SplitTransaction st = null;
  if (nodeCreated) {
    st = new MockedSplitTransaction(regions.get(0), null) {
      @Override
      int transitionNodeSplitting(ZooKeeperWatcher zkw, HRegionInfo parent,
          ServerName serverName, int version) throws KeeperException, IOException {
        throw new TransitionToSplittingFailedException();
      }
    };
  } else {
    st = new MockedSplitTransaction(regions.get(0), null) {
      @Override
      void createNodeSplitting(ZooKeeperWatcher zkw, HRegionInfo region, ServerName serverName)
          throws KeeperException, IOException {
        throw new SplittingNodeCreationFailedException ();
      }
    };
  }
  String node = ZKAssign.getNodeName(regionServer.getZooKeeper(), regions.get(0)
      .getRegionInfo().getEncodedName());
  // make sure the client is uptodate
  regionServer.getZooKeeper().sync(node);
  for (int i = 0; i < 100; i++) {
    // We expect the znode to be deleted by this time. Here the znode could be in OPENED state and the 
    // master has not yet deleted the znode.
    if (ZKUtil.checkExists(regionServer.getZooKeeper(), node) != -1) {
      Thread.sleep(100);
    }
  }
  
  try {
    st.execute(regionServer, regionServer);
  } catch (IOException e) {
    // check for the specific instance in case the Split failed due to the existence of the znode in OPENED state.
    // This will at least make the test to fail;
    if (nodeCreated) {
      assertTrue("Should be instance of TransitionToSplittingFailedException",
          e instanceof TransitionToSplittingFailedException);
    } else {
      assertTrue("Should be instance of CreateSplittingNodeFailedException",
          e instanceof SplittingNodeCreationFailedException );
    }
    node = ZKAssign.getNodeName(regionServer.getZooKeeper(), regions.get(0)
        .getRegionInfo().getEncodedName());
    // make sure the client is uptodate
    regionServer.getZooKeeper().sync(node);
    if (nodeCreated) {
      assertFalse(ZKUtil.checkExists(regionServer.getZooKeeper(), node) == -1);
    } else {
      assertTrue(ZKUtil.checkExists(regionServer.getZooKeeper(), node) == -1);
    }
    assertTrue(st.rollback(regionServer, regionServer));
    assertTrue(ZKUtil.checkExists(regionServer.getZooKeeper(), node) == -1);
  }
  if (admin.isTableAvailable(tableName) && admin.isTableEnabled(tableName)) {
    admin.disableTable(tableName);
    admin.deleteTable(tableName);
  }
}
 

import org.apache.hadoop.hbase.client.HBaseAdmin; //導入方法依賴的package包/類
@Test
public void testShouldClearRITWhenNodeFoundInSplittingState() throws Exception {
  final byte[] tableName = Bytes.toBytes("testShouldClearRITWhenNodeFoundInSplittingState");
  HBaseAdmin admin = new HBaseAdmin(TESTING_UTIL.getConfiguration());
  // Create table then get the single region for our new table.
  HTableDescriptor htd = new HTableDescriptor(tableName);
  htd.addFamily(new HColumnDescriptor("cf"));
  admin.createTable(htd);
  for (int i = 0; cluster.getRegions(tableName).size() == 0 && i < 100; i++) {
    Thread.sleep(100);
  }
  assertTrue("Table not online", cluster.getRegions(tableName).size() != 0);

  HRegion region = cluster.getRegions(tableName).get(0);
  int regionServerIndex = cluster.getServerWith(region.getRegionName());
  HRegionServer regionServer = cluster.getRegionServer(regionServerIndex);
  SplitTransaction st = null;

  st = new MockedSplitTransaction(region, null) {
    @Override
    void createSplitDir(FileSystem fs, Path splitdir) throws IOException {
      throw new IOException("");
    }
  };

  try {
    st.execute(regionServer, regionServer);
  } catch (IOException e) {
    String node = ZKAssign.getNodeName(regionServer.getZooKeeper(), region
        .getRegionInfo().getEncodedName());

    assertFalse(ZKUtil.checkExists(regionServer.getZooKeeper(), node) == -1);
    AssignmentManager am = cluster.getMaster().getAssignmentManager();
    for (int i = 0; !am.getRegionsInTransition().containsKey(
        region.getRegionInfo().getEncodedName())
        && i < 100; i++) {
      Thread.sleep(200);
    }
    assertTrue("region is not in transition "+region,
        am.getRegionsInTransition().containsKey(region.getRegionInfo().getEncodedName()));
    RegionState regionState = am.getRegionsInTransition().get(region.getRegionInfo()
        .getEncodedName());
    assertTrue(regionState.getState() == RegionState.State.SPLITTING);
    assertTrue(st.rollback(regionServer, regionServer));
    assertTrue(ZKUtil.checkExists(regionServer.getZooKeeper(), node) == -1);
    for (int i=0; am.getRegionsInTransition().containsKey(region.getRegionInfo().getEncodedName()) && i<100; i++) {
      // Just in case the nodeDeleted event did not get executed.
      Thread.sleep(200);
    }
    assertFalse("region is still in transition",
        am.getRegionsInTransition().containsKey(region.getRegionInfo().getEncodedName()));
  }
  if (admin.isTableAvailable(tableName) && admin.isTableEnabled(tableName)) {
    admin.disableTable(tableName);
    admin.deleteTable(tableName);
    admin.close();
  }
}
 

import org.apache.hadoop.hbase.client.HBaseAdmin; //導入方法依賴的package包/類
void loadingClassFromLibDirInJar(String libPrefix) throws Exception {
  FileSystem fs = cluster.getFileSystem();

  File innerJarFile1 = buildCoprocessorJar(cpName1);
  File innerJarFile2 = buildCoprocessorJar(cpName2);
  File outerJarFile = new File(TEST_UTIL.getDataTestDir().toString(), "outer.jar");

  ClassLoaderTestHelper.addJarFilesToJar(
    outerJarFile, libPrefix, innerJarFile1, innerJarFile2);

  // copy the jars into dfs
  fs.copyFromLocalFile(new Path(outerJarFile.getPath()),
    new Path(fs.getUri().toString() + Path.SEPARATOR));
  String jarFileOnHDFS = fs.getUri().toString() + Path.SEPARATOR +
    outerJarFile.getName();
  assertTrue("Copy jar file to HDFS failed.",
    fs.exists(new Path(jarFileOnHDFS)));
  LOG.info("Copied jar file to HDFS: " + jarFileOnHDFS);

  // create a table that references the coprocessors
  HTableDescriptor htd = new HTableDescriptor(TableName.valueOf(tableName));
  htd.addFamily(new HColumnDescriptor("test"));
    // without configuration values
  htd.setValue("COPROCESSOR$1", jarFileOnHDFS.toString() + "|" + cpName1 +
    "|" + Coprocessor.PRIORITY_USER);
    // with configuration values
  htd.setValue("COPROCESSOR$2", jarFileOnHDFS.toString() + "|" + cpName2 +
    "|" + Coprocessor.PRIORITY_USER + "|k1=v1,k2=v2,k3=v3");
  HBaseAdmin admin = TEST_UTIL.getHBaseAdmin();
  if (admin.tableExists(tableName)) {
    if (admin.isTableEnabled(tableName)) {
      admin.disableTable(tableName);
    }
    admin.deleteTable(tableName);
  }
  admin.createTable(htd);
  waitForTable(htd.getTableName());

  // verify that the coprocessors were loaded
  boolean found1 = false, found2 = false, found2_k1 = false,
      found2_k2 = false, found2_k3 = false;
  MiniHBaseCluster hbase = TEST_UTIL.getHBaseCluster();
  for (HRegion region:
      hbase.getRegionServer(0).getOnlineRegionsLocalContext()) {
    if (region.getRegionNameAsString().startsWith(tableName)) {
      CoprocessorEnvironment env;
      env = region.getCoprocessorHost().findCoprocessorEnvironment(cpName1);
      if (env != null) {
        found1 = true;
      }
      env = region.getCoprocessorHost().findCoprocessorEnvironment(cpName2);
      if (env != null) {
        found2 = true;
        Configuration conf = env.getConfiguration();
        found2_k1 = conf.get("k1") != null;
        found2_k2 = conf.get("k2") != null;
        found2_k3 = conf.get("k3") != null;
      }
    }
  }
  assertTrue("Class " + cpName1 + " was missing on a region", found1);
  assertTrue("Class " + cpName2 + " was missing on a region", found2);
  assertTrue("Configuration key 'k1' was missing on a region", found2_k1);
  assertTrue("Configuration key 'k2' was missing on a region", found2_k2);
  assertTrue("Configuration key 'k3' was missing on a region", found2_k3);
}
 

import org.apache.hadoop.hbase.client.HBaseAdmin; //導入方法依賴的package包/類
@Test
public void addColumnFamily() throws Exception {
	String TABLE_NAME = "TEST_BENCHMARK";
	//
	Configuration configuration = createConfiguration();
	HBaseAdmin hbaseAdmin = createHBaseAdmin(configuration);
	//
	// 新增column時,須將table disable
	if (hbaseAdmin.isTableEnabled(TABLE_NAME)) {
		hbaseAdmin.disableTable(TABLE_NAME);
	}
	//
	String COLUMN_FAMILY = "seq";
	HColumnDescriptor hcd = new HColumnDescriptor(COLUMN_FAMILY);
	// hcd.setBloomFilterType(BloomType.ROWCOL);
	hcd.setBlockCacheEnabled(true);
	// hcd.setCompressionType(Algorithm.SNAPPY);
	hcd.setInMemory(true);
	hcd.setMaxVersions(1);
	hcd.setMinVersions(0);
	hcd.setTimeToLive(432000);// 秒為單位
	hbaseAdmin.addColumn(TABLE_NAME, hcd);// TableNotDisabledException,
	System.out.println("add column family [" + COLUMN_FAMILY + "]");
	//
	COLUMN_FAMILY = "id";
	hcd = new HColumnDescriptor(COLUMN_FAMILY);
	// hcd.setBloomFilterType(BloomType.ROWCOL);
	hcd.setBlockCacheEnabled(true);
	// hcd.setCompressionType(Algorithm.SNAPPY);
	hcd.setInMemory(true);
	hcd.setMaxVersions(1);
	hcd.setMinVersions(0);
	hcd.setTimeToLive(432000);// 秒為單位,5d
	hbaseAdmin.addColumn(TABLE_NAME, hcd);// TableNotDisabledException,
	System.out.println("add column family [" + COLUMN_FAMILY + "]");
	//
	COLUMN_FAMILY = "info";
	hcd = new HColumnDescriptor(COLUMN_FAMILY);
	// hcd.setBloomFilterType(BloomType.ROWCOL);
	hcd.setBlockCacheEnabled(true);
	// hcd.setCompressionType(Algorithm.SNAPPY);
	hcd.setInMemory(true);
	hcd.setMaxVersions(1);
	hcd.setMinVersions(0);
	hcd.setTimeToLive(432000);// 秒為單位
	hbaseAdmin.addColumn(TABLE_NAME, hcd);// TableNotDisabledException
	System.out.println("add column family [" + COLUMN_FAMILY + "]");

	// 新增column後,再將table enable
	if (hbaseAdmin.isTableDisabled(TABLE_NAME)) {
		hbaseAdmin.enableTable(TABLE_NAME);
	}
}