Java Code Examples for org.apache.hadoop.hbase.client.HBaseAdmin#tableExists()
The following examples show how to use
org.apache.hadoop.hbase.client.HBaseAdmin#tableExists() .
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Example 1
Source File: KylinHealthCheckJob.java From kylin-on-parquet-v2 with Apache License 2.0 | 6 votes |
private void checkHBaseTables(List<CubeInstance> cubes) throws IOException { reporter.log("## Checking HBase Table of segments"); HBaseAdmin hbaseAdmin = new HBaseAdmin(HBaseConfiguration.create()); try { for (CubeInstance cube : cubes) { for (CubeSegment segment : cube.getSegments()) { if (segment.getStatus() != SegmentStatusEnum.NEW) { String tableName = segment.getStorageLocationIdentifier(); if ((!hbaseAdmin.tableExists(tableName)) || (!hbaseAdmin.isTableEnabled(tableName))) { reporter.log("HBase table: {} not exist for segment: {}, project: {}", tableName, segment, cube.getProject()); reporter.log( "The rebuild url: -d '{\"startTime\":{}, \"endTime\":{}, \"buildType\":\"REFRESH\"}' /kylin/api/cubes/{}/build", segment.getTSRange().start, segment.getTSRange().end, cube.getName()); } } } } } finally { if (null != hbaseAdmin) { hbaseAdmin.close(); } } }
Example 2
Source File: HBaseTable.java From wifi with Apache License 2.0 | 6 votes |
public static void create() throws Exception { HBaseAdmin admin = new HBaseAdmin(cfg); if (admin.tableExists(tableName)) { System.out.println("[info]table has created!"); } else { try { TableName table = TableName.valueOf(tableName); HTableDescriptor tableDescriptor = new HTableDescriptor(table); tableDescriptor.addFamily(new HColumnDescriptor(familyName)); admin.createTable(tableDescriptor); } catch (TableExistsException e) { System.out.println("[warning] table exists!"); } } System.out.println("[info]create table success!"); }
Example 3
Source File: HBaseFactoryTest.java From bigdata-tutorial with Apache License 2.0 | 6 votes |
/** * @param tableName * @return */ public boolean deleteTable(String tableName) throws IOException { HBaseAdmin admin = new HBaseAdmin(conn); if (admin.tableExists(tableName)) { try { admin.disableTable(tableName); admin.deleteTable(tableName); LOGGER.info(">>>> Table {} delete success!", tableName); } catch (Exception ex) { LOGGER.error("delete table error:", ex); return false; } } else { LOGGER.warn(">>>> Table {} delete but not exist.", tableName); } admin.close(); return true; }
Example 4
Source File: GenerateTestingHTables.java From SpyGlass with Apache License 2.0 | 6 votes |
/** * Method to disable and delete HBase Tables i.e. "int-test-01" */ private static void deleteTestTable(String tableName) throws IOException { // Reset configuration config.clear(); config.set("hbase.zookeeper.quorum", QUORUM); config.set("hbase.zookeeper.property.clientPort", QUORUM_PORT); HBaseAdmin hbase = new HBaseAdmin(config); if (hbase.tableExists(tableName)) { LOG.info("Table: " + tableName + " exists."); hbase.disableTable(tableName); hbase.deleteTable(tableName); LOG.info("Table: " + tableName + " disabled and deleted."); } else { LOG.info("Table: " + tableName + " does not exist."); } hbase.close(); }
Example 5
Source File: HbaseTestCase.java From wifi with Apache License 2.0 | 6 votes |
public static boolean delete(String tablename) throws IOException{ HBaseAdmin admin=new HBaseAdmin(cfg); if(admin.tableExists(tablename)){ try { admin.disableTable(tablename); admin.deleteTable(tablename); }catch(Exception ex){ ex.printStackTrace(); return false; } } return true; }
Example 6
Source File: HBaseFactoryTest.java From bigdata-tutorial with Apache License 2.0 | 6 votes |
public Boolean createTable(String tableName, String familyName) throws Exception { HBaseAdmin admin = new HBaseAdmin(conn); if (admin.tableExists(tableName)) { LOGGER.warn(">>>> Table {} exists!", tableName); admin.close(); return false; } HTableDescriptor tableDesc = new HTableDescriptor(TableName.valueOf(tableName)); tableDesc.addFamily(new HColumnDescriptor(familyName)); admin.createTable(tableDesc); LOGGER.info(">>>> Table {} create success!", tableName); admin.close(); return true; }
Example 7
Source File: Tailer.java From zerowing with MIT License | 6 votes |
private HTable createStateTable() { String stateTableName = ConfigUtil.getTailerStateTable(_conf); HBaseAdmin admin = getHBaseAdmin(); try { if (!admin.tableExists(stateTableName)) { HTableDescriptor tableDesc = new HTableDescriptor(stateTableName); HColumnDescriptor familyDesc = new HColumnDescriptor(STATE_TABLE_COL_FAMILY); familyDesc.setMaxVersions(1); tableDesc.addFamily(familyDesc); admin.createTable(tableDesc); } return new HTable(_conf, stateTableName); } catch (Exception e) { throw new RuntimeException("Failed to create state table", e); } }
Example 8
Source File: KylinHealthCheckJob.java From kylin with Apache License 2.0 | 6 votes |
private void checkHBaseTables(List<CubeInstance> cubes) throws IOException { reporter.log("## Checking HBase Table of segments"); HBaseAdmin hbaseAdmin = new HBaseAdmin(HBaseConfiguration.create()); try { for (CubeInstance cube : cubes) { for (CubeSegment segment : cube.getSegments()) { if (segment.getStatus() != SegmentStatusEnum.NEW) { String tableName = segment.getStorageLocationIdentifier(); if ((!hbaseAdmin.tableExists(tableName)) || (!hbaseAdmin.isTableEnabled(tableName))) { reporter.log("HBase table: {} not exist for segment: {}, project: {}", tableName, segment, cube.getProject()); reporter.log( "The rebuild url: -d '{\"startTime\":{}, \"endTime\":{}, \"buildType\":\"REFRESH\"}' /kylin/api/cubes/{}/build", segment.getTSRange().start, segment.getTSRange().end, cube.getName()); } } } } } finally { if (null != hbaseAdmin) { hbaseAdmin.close(); } } }
Example 9
Source File: HbaseUtil.java From DataLink with Apache License 2.0 | 5 votes |
private static void check(HBaseAdmin admin, HTable htable) throws DataXException, IOException { if (!admin.isMasterRunning()) { throw new IllegalStateException("HBase master 没有运行, 请检查您的配置 或者 联系 Hbase 管理员."); } if (!admin.tableExists(htable.getTableName())) { throw new IllegalStateException("HBase源头表" + Bytes.toString(htable.getTableName()) + "不存在, 请检查您的配置 或者 联系 Hbase 管理员."); } if (!admin.isTableAvailable(htable.getTableName()) || !admin.isTableEnabled(htable.getTableName())) { throw new IllegalStateException("HBase源头表" + Bytes.toString(htable.getTableName()) + " 不可用, 请检查您的配置 或者 联系 Hbase 管理员."); } }
Example 10
Source File: PhoenixSinkIT.java From phoenix with Apache License 2.0 | 5 votes |
@Test public void testCreateTable () throws Exception { String ddl = "CREATE TABLE flume_test " + " (flume_time timestamp not null, col1 varchar , col2 varchar" + " CONSTRAINT pk PRIMARY KEY (flume_time))\n"; final String fullTableName = "FLUME_TEST"; sinkContext = new Context (); sinkContext.put(FlumeConstants.CONFIG_TABLE, fullTableName); sinkContext.put(FlumeConstants.CONFIG_JDBC_URL, getUrl()); sinkContext.put(FlumeConstants.CONFIG_SERIALIZER,EventSerializers.REGEX.name()); sinkContext.put(FlumeConstants.CONFIG_TABLE_DDL, ddl); sinkContext.put(FlumeConstants.CONFIG_SERIALIZER_PREFIX + FlumeConstants.CONFIG_REGULAR_EXPRESSION,"^([^\t]+)\t([^\t]+)$"); sinkContext.put(FlumeConstants.CONFIG_SERIALIZER_PREFIX + FlumeConstants.CONFIG_COLUMN_NAMES,"col1,col2"); sinkContext.put(FlumeConstants.CONFIG_SERIALIZER_PREFIX + FlumeConstants.CONFIG_ROWKEY_TYPE_GENERATOR,DefaultKeyGenerator.TIMESTAMP.name()); sink = new PhoenixSink(); Configurables.configure(sink, sinkContext); Assert.assertEquals(LifecycleState.IDLE, sink.getLifecycleState()); final Channel channel = this.initChannel(); sink.setChannel(channel); sink.start(); HBaseAdmin admin = driver.getConnectionQueryServices(getUrl(), TestUtil.TEST_PROPERTIES).getAdmin(); try { boolean exists = admin.tableExists(fullTableName); Assert.assertTrue(exists); }finally { admin.close(); } }
Example 11
Source File: TestBase.java From hbase-tools with Apache License 2.0 | 5 votes |
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."); } }
Example 12
Source File: HBaseTap.java From SpyGlass with Apache License 2.0 | 5 votes |
@Override public boolean deleteResource(JobConf jobConf) throws IOException { HBaseAdmin hBaseAdmin = getHBaseAdmin(jobConf); if (hBaseAdmin.tableExists(tableName)) { return true; } else { throw new IOException("DELETE records: " + tableName + " does NOT EXIST!!!"); } }
Example 13
Source File: Util.java From hbase-tools with Apache License 2.0 | 5 votes |
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."); } }
Example 14
Source File: Util.java From hbase-tools with Apache License 2.0 | 5 votes |
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."); } }
Example 15
Source File: Util.java From hbase-tools with Apache License 2.0 | 5 votes |
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."); } }
Example 16
Source File: App.java From hadoop-arch-book with Apache License 2.0 | 5 votes |
private static boolean createTable(byte[] tableName, byte[] columnFamilyName, short regionCount, long regionMaxSize, HBaseAdmin admin) throws IOException { if (admin.tableExists(tableName)) { return false; } HTableDescriptor tableDescriptor = new HTableDescriptor(); tableDescriptor.setName(tableName); HColumnDescriptor columnDescriptor = new HColumnDescriptor(columnFamilyName); columnDescriptor.setCompressionType(Compression.Algorithm.SNAPPY); columnDescriptor.setBlocksize(64 * 1024); columnDescriptor.setBloomFilterType(BloomType.ROW); columnDescriptor.setMaxVersions(10); tableDescriptor.addFamily(columnDescriptor); tableDescriptor.setMaxFileSize(regionMaxSize); tableDescriptor.setValue(tableDescriptor.SPLIT_POLICY, ConstantSizeRegionSplitPolicy.class.getName()); tableDescriptor.setDeferredLogFlush(true); regionCount = (short) Math.abs(regionCount); int regionRange = Short.MAX_VALUE / regionCount; int counter = 0; byte[][] splitKeys = new byte[regionCount][]; for (byte[] splitKey : splitKeys) { counter = counter + regionRange; String key = StringUtils.leftPad(Integer.toString(counter), 5, '0'); splitKey = Bytes.toBytes(key); System.out.println(" - Split: " + splitKey); } return true; }
Example 17
Source File: HbaseUtil.java From DataLink with Apache License 2.0 | 5 votes |
private static void check(HBaseAdmin admin, HTable htable) throws DataXException, IOException { if (!admin.isMasterRunning()) { throw new IllegalStateException("HBase master 没有运行, 请检查您的配置 或者 联系 Hbase 管理员."); } if (!admin.tableExists(htable.getTableName())) { throw new IllegalStateException("HBase源头表" + Bytes.toString(htable.getTableName()) + "不存在, 请检查您的配置 或者 联系 Hbase 管理员."); } if (!admin.isTableAvailable(htable.getTableName()) || !admin.isTableEnabled(htable.getTableName())) { throw new IllegalStateException("HBase源头表" + Bytes.toString(htable.getTableName()) + " 不可用, 请检查您的配置 或者 联系 Hbase 管理员."); } }
Example 18
Source File: IICreateHTableJob.java From Kylin with Apache License 2.0 | 4 votes |
@Override public int run(String[] args) throws Exception { Options options = new Options(); try { options.addOption(OPTION_II_NAME); options.addOption(OPTION_HTABLE_NAME); parseOptions(options, args); String tableName = getOptionValue(OPTION_HTABLE_NAME); String iiName = getOptionValue(OPTION_II_NAME); KylinConfig config = KylinConfig.getInstanceFromEnv(); IIManager iiManager = IIManager.getInstance(config); IIInstance ii = iiManager.getII(iiName); int sharding = ii.getDescriptor().getSharding(); HTableDescriptor tableDesc = new HTableDescriptor(TableName.valueOf(tableName)); HColumnDescriptor cf = new HColumnDescriptor(IIDesc.HBASE_FAMILY); cf.setMaxVersions(1); //cf.setCompressionType(Algorithm.LZO); cf.setDataBlockEncoding(DataBlockEncoding.FAST_DIFF); tableDesc.addFamily(cf); tableDesc.setValue(IRealizationConstants.HTableTag, config.getMetadataUrlPrefix()); Configuration conf = HBaseConfiguration.create(getConf()); if (User.isHBaseSecurityEnabled(conf)) { // add coprocessor for bulk load tableDesc.addCoprocessor("org.apache.hadoop.hbase.security.access.SecureBulkLoadEndpoint"); } DeployCoprocessorCLI.deployCoprocessor(tableDesc); // drop the table first HBaseAdmin admin = new HBaseAdmin(conf); if (admin.tableExists(tableName)) { admin.disableTable(tableName); admin.deleteTable(tableName); } // create table byte[][] splitKeys = getSplits(sharding); if (splitKeys.length == 0) splitKeys = null; admin.createTable(tableDesc, splitKeys); if (splitKeys != null) { for (int i = 0; i < splitKeys.length; i++) { System.out.println("split key " + i + ": " + BytesUtil.toHex(splitKeys[i])); } } System.out.println("create hbase table " + tableName + " done."); admin.close(); return 0; } catch (Exception e) { printUsage(options); throw e; } }
Example 19
Source File: HBaseRawTap.java From SpyGlass with Apache License 2.0 | 4 votes |
@Override public boolean createResource(JobConf jobConf) throws IOException { HBaseAdmin hBaseAdmin = getHBaseAdmin(jobConf); if (hBaseAdmin.tableExists(tableName)) { return true; } LOG.info("creating hbase table: {}", tableName); HTableDescriptor tableDescriptor = new HTableDescriptor(tableName); String[] familyNames = ((HBaseRawScheme) getScheme()).getFamilyNames(); for (String familyName : familyNames) { tableDescriptor.addFamily(new HColumnDescriptor(familyName)); } hBaseAdmin.createTable(tableDescriptor); return true; }
Example 20
Source File: HBaseTap.java From SpyGlass with Apache License 2.0 | 4 votes |
@Override public boolean createResource(JobConf jobConf) throws IOException { HBaseAdmin hBaseAdmin = getHBaseAdmin(jobConf); if (hBaseAdmin.tableExists(tableName)) { return true; } LOG.info("Creating HBase Table: {}", tableName); HTableDescriptor tableDescriptor = new HTableDescriptor(tableName); String[] familyNames = ((HBaseScheme) getScheme()).getFamilyNames(); for (String familyName : familyNames) { tableDescriptor.addFamily(new HColumnDescriptor(familyName)); } hBaseAdmin.createTable(tableDescriptor); return true; }