Uses of Interface
org.apache.hadoop.hbase.client.HConnection

Packages that use HConnection

Package	Description
org.apache.hadoop.hbase.backup.example
org.apache.hadoop.hbase.catalog
org.apache.hadoop.hbase.client	Provides HBase Client
org.apache.hadoop.hbase.ipc	Tools to help define network clients and servers.
org.apache.hadoop.hbase.mapreduce	Provides HBase MapReduce Input/OutputFormats, a table indexing MapReduce job, and utility
org.apache.hadoop.hbase.regionserver.wal
org.apache.hadoop.hbase.replication.regionserver

Uses of HConnection in org.apache.hadoop.hbase.backup.example

Constructors in org.apache.hadoop.hbase.backup.example with parameters of type HConnection

Constructor and Description
ZKTableArchiveClient(org.apache.hadoop.conf.Configuration conf, HConnection connection)

Uses of HConnection in org.apache.hadoop.hbase.catalog

Methods in org.apache.hadoop.hbase.catalog that return HConnection

Modifier and Type	Method and Description
HConnection	CatalogTracker.getConnection()

Constructors in org.apache.hadoop.hbase.catalog with parameters of type HConnection

Constructor and Description
CatalogTracker(ZooKeeperWatcher zk, org.apache.hadoop.conf.Configuration conf, HConnection connection, Abortable abortable)

Uses of HConnection in org.apache.hadoop.hbase.client

Classes in org.apache.hadoop.hbase.client that implement HConnection

Modifier and Type	Class and Description
class	CoprocessorHConnection Connection to an HTable from within a Coprocessor.
static class	HConnectionManager.HConnectionImplementation Encapsulates connection to zookeeper and regionservers.

Fields in org.apache.hadoop.hbase.client declared as HConnection

Modifier and Type	Field and Description
protected HConnection	RegionServerCallable.connection
protected HConnection	HTable.connection

Methods in org.apache.hadoop.hbase.client that return HConnection

Modifier and Type	Method and Description
static HConnection	HConnectionManager.createConnection(org.apache.hadoop.conf.Configuration conf) Create a new HConnection instance using the passed conf instance.
static HConnection	HConnectionManager.createConnection(org.apache.hadoop.conf.Configuration conf, ExecutorService pool) Create a new HConnection instance using the passed conf instance.
static HConnection	HConnectionManager.createConnection(org.apache.hadoop.conf.Configuration conf, ExecutorService pool, User user) Create a new HConnection instance using the passed conf instance.
static HConnection	HConnectionManager.createConnection(org.apache.hadoop.conf.Configuration conf, User user) Create a new HConnection instance using the passed conf instance.
HConnection	HBaseAdmin.getConnection()
HConnection	HTable.getConnection() Deprecated. This method will be changed from public to package protected.
protected HConnection	ClientScanner.getConnection()
static HConnection	HConnectionManager.getConnection(org.apache.hadoop.conf.Configuration conf) Deprecated.
static HConnection	CoprocessorHConnection.getConnectionForEnvironment(CoprocessorEnvironment env) Create an unmanaged HConnection based on the environment in which we are running the coprocessor.

Methods in org.apache.hadoop.hbase.client with parameters of type HConnection

Modifier and Type	Method and Description
static NavigableMap<HRegionInfo,ServerName>	MetaScanner.allTableRegions(org.apache.hadoop.conf.Configuration conf, HConnection connection, TableName tableName, boolean offlined) Lists all of the table regions currently in META.
abstract T	HConnectable.connect(HConnection connection)
static void	HConnectionManager.deleteStaleConnection(HConnection connection) Deprecated.
static NonceGenerator	HConnectionManager.injectNonceGeneratorForTesting(HConnection conn, NonceGenerator cnm)
static void	MetaScanner.metaScan(org.apache.hadoop.conf.Configuration configuration, HConnection connection, MetaScanner.MetaScannerVisitor visitor, TableName userTableName) Scans the meta table and calls a visitor on each RowResult.
static void	MetaScanner.metaScan(org.apache.hadoop.conf.Configuration configuration, HConnection connection, MetaScanner.MetaScannerVisitor visitor, TableName tableName, byte[] row, int rowLimit, TableName metaTableName) Scans the meta table and calls a visitor on each RowResult.

Constructors in org.apache.hadoop.hbase.client with parameters of type HConnection

Constructor and Description
ClientScanner(org.apache.hadoop.conf.Configuration conf, Scan scan, byte[] tableName, HConnection connection) Deprecated. Use ClientScanner.ClientScanner(Configuration, Scan, TableName, HConnection)
ClientScanner(org.apache.hadoop.conf.Configuration conf, Scan scan, TableName tableName, HConnection connection) Create a new ClientScanner for the specified table Note that the passed Scan's start row maybe changed changed.
ClientScanner(org.apache.hadoop.conf.Configuration conf, Scan scan, TableName tableName, HConnection connection, RpcRetryingCallerFactory rpcFactory) Deprecated. Use ClientScanner.ClientScanner(Configuration, Scan, TableName, HConnection, RpcRetryingCallerFactory, RpcControllerFactory) instead
ClientScanner(org.apache.hadoop.conf.Configuration conf, Scan scan, TableName tableName, HConnection connection, RpcRetryingCallerFactory rpcFactory, RpcControllerFactory controllerFactory) Create a new ClientScanner for the specified table Note that the passed Scan's start row maybe changed changed.
ClientSmallReversedScanner(org.apache.hadoop.conf.Configuration conf, Scan scan, TableName tableName, HConnection connection) Create a new ReversibleClientScanner for the specified table Note that the passed Scan's start row maybe changed.
ClientSmallScanner(org.apache.hadoop.conf.Configuration conf, Scan scan, TableName tableName, HConnection connection) Create a new ClientSmallScanner for the specified table.
ClientSmallScanner(org.apache.hadoop.conf.Configuration conf, Scan scan, TableName tableName, HConnection connection, RpcRetryingCallerFactory rpcFactory, RpcControllerFactory controllerFactory) Create a new ShortClientScanner for the specified table Note that the passed Scan's start row maybe changed changed.
CoprocessorHConnection(HConnection delegate, HRegionServer server) Deprecated. delegate is not used
HBaseAdmin(HConnection connection) Constructor for externally managed HConnections.
HTable(byte[] tableName, HConnection connection, ExecutorService pool) Creates an object to access a HBase table.
HTable(TableName tableName, HConnection connection) Creates an object to access a HBase table.
HTable(TableName tableName, HConnection connection, ExecutorService pool) Creates an object to access a HBase table.
RegionServerCallable(HConnection connection, TableName tableName, byte[] row)
ReversedClientScanner(org.apache.hadoop.conf.Configuration conf, Scan scan, TableName tableName, HConnection connection) Create a new ReversibleClientScanner for the specified table Note that the passed Scan's start row maybe changed.
ReversedScannerCallable(HConnection connection, TableName tableName, Scan scan, ScanMetrics scanMetrics, byte[] locateStartRow) Deprecated.
ReversedScannerCallable(HConnection connection, TableName tableName, Scan scan, ScanMetrics scanMetrics, byte[] locateStartRow, PayloadCarryingRpcController rpcFactory)
ScannerCallable(HConnection connection, byte[] tableName, Scan scan, ScanMetrics scanMetrics) Deprecated. Use ScannerCallable.ScannerCallable(HConnection, TableName, Scan, ScanMetrics, PayloadCarryingRpcController)
ScannerCallable(HConnection connection, TableName tableName, Scan scan, ScanMetrics scanMetrics, PayloadCarryingRpcController controller)

Uses of HConnection in org.apache.hadoop.hbase.ipc

Constructors in org.apache.hadoop.hbase.ipc with parameters of type HConnection

Constructor and Description
MasterCoprocessorRpcChannel(HConnection conn)
RegionCoprocessorRpcChannel(HConnection conn, TableName table, byte[] row, RpcRetryingCallerFactory rpcFactory, RpcControllerFactory rpcControllerFactory)

Uses of HConnection in org.apache.hadoop.hbase.mapreduce

Methods in org.apache.hadoop.hbase.mapreduce with parameters of type HConnection

Modifier and Type	Method and Description
protected void	LoadIncrementalHFiles.bulkLoadPhase(HTable table, HConnection conn, ExecutorService pool, Deque<org.apache.hadoop.hbase.mapreduce.LoadIncrementalHFiles.LoadQueueItem> queue, com.google.common.collect.Multimap<ByteBuffer,org.apache.hadoop.hbase.mapreduce.LoadIncrementalHFiles.LoadQueueItem> regionGroups) This takes the LQI's grouped by likely regions and attempts to bulk load them.
protected List<org.apache.hadoop.hbase.mapreduce.LoadIncrementalHFiles.LoadQueueItem>	LoadIncrementalHFiles.tryAtomicRegionLoad(HConnection conn, byte[] tableName, byte[] first, Collection<org.apache.hadoop.hbase.mapreduce.LoadIncrementalHFiles.LoadQueueItem> lqis) Deprecated. Use LoadIncrementalHFiles.tryAtomicRegionLoad(HConnection, TableName, byte[], Collection)
protected List<org.apache.hadoop.hbase.mapreduce.LoadIncrementalHFiles.LoadQueueItem>	LoadIncrementalHFiles.tryAtomicRegionLoad(HConnection conn, TableName tableName, byte[] first, Collection<org.apache.hadoop.hbase.mapreduce.LoadIncrementalHFiles.LoadQueueItem> lqis) Attempts to do an atomic load of many hfiles into a region.

Uses of HConnection in org.apache.hadoop.hbase.regionserver.wal

Constructors in org.apache.hadoop.hbase.regionserver.wal with parameters of type HConnection

Constructor and Description
WALEditsReplaySink(org.apache.hadoop.conf.Configuration conf, TableName tableName, HConnection conn) Create a sink for WAL log entries replay

Uses of HConnection in org.apache.hadoop.hbase.replication.regionserver

Constructors in org.apache.hadoop.hbase.replication.regionserver with parameters of type HConnection

Constructor and Description
ReplicationSinkManager(HConnection conn, String peerClusterId, ReplicationPeers replicationPeers, org.apache.hadoop.conf.Configuration conf) Instantiate for a single replication peer cluster.