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

Packages that use HConnection

Package	Description
org.apache.hadoop.hbase.client	Provides HBase Client
org.apache.hadoop.hbase.mapreduce	Provides HBase MapReduce Input/OutputFormats, a table indexing MapReduce job, and utility

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

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

Modifier and Type	Field and Description
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, org.apache.hadoop.hbase.security.User user) Create a new HConnection instance using the passed conf instance.
static HConnection	HConnectionManager.createConnection(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.hbase.security.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.

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

Modifier and Type	Method and Description
static void	HConnectionManager.deleteStaleConnection(HConnection connection) Deprecated.
static org.apache.hadoop.hbase.client.NonceGenerator	HConnectionManager.injectNonceGeneratorForTesting(HConnection conn, org.apache.hadoop.hbase.client.NonceGenerator cnm)

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, org.apache.hadoop.hbase.client.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, org.apache.hadoop.hbase.client.RpcRetryingCallerFactory rpcFactory, org.apache.hadoop.hbase.ipc.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, org.apache.hadoop.hbase.client.RpcRetryingCallerFactory rpcFactory, org.apache.hadoop.hbase.ipc.RpcControllerFactory controllerFactory) Create a new ShortClientScanner for the specified table Note that the passed Scan's start row maybe changed changed.
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.
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, org.apache.hadoop.hbase.client.metrics.ScanMetrics scanMetrics, byte[] locateStartRow) Deprecated.
ReversedScannerCallable(HConnection connection, TableName tableName, Scan scan, org.apache.hadoop.hbase.client.metrics.ScanMetrics scanMetrics, byte[] locateStartRow, org.apache.hadoop.hbase.ipc.PayloadCarryingRpcController rpcFactory)

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.