com.baidu.hugegraph.backend.store.hbase

类 HbaseSessions.Session

java.lang.Object

com.baidu.hugegraph.backend.store.BackendSession.AbstractBackendSession

com.baidu.hugegraph.backend.store.hbase.HbaseSessions.Session

所有已实现的接口:

BackendSession, HbaseSessions.HbaseSession<HbaseSessions.RowIterator>

封闭类:

HbaseSessions

public class HbaseSessions.Session
extends BackendSession.AbstractBackendSession
implements HbaseSessions.HbaseSession<HbaseSessions.RowIterator>

Session implement for HBase

嵌套类概要

从接口继承的嵌套类/接口 com.baidu.hugegraph.backend.store.BackendSession

BackendSession.AbstractBackendSession

字段概要

从类继承的字段 com.baidu.hugegraph.backend.store.BackendSession.AbstractBackendSession

opened

构造器概要

构造器

构造器和说明
Session()

方法概要

限定符和类型	方法和说明
void	close()
boolean	closed()
Integer	commit() Commit all updates(put/delete) to DB
HbaseSessions.CountSession	countSession()
void	delete(String table, byte[] family, byte[] rowkey) Delete a record by rowkey from a table
HbaseSessions.RowIterator	get(String table, byte[] family, byte[] rowkey) Get a record by rowkey from a table
HbaseSessions.RowIterator	get(String table, byte[] family, byte[] rowkey, byte[] qualifier) Get a record by rowkey and qualifier from a table
HbaseSessions.RowIterator	get(String table, byte[] family, Set<byte[]> rowkeys) Get multi records by rowkeys from a table
boolean	hasChanges() Any change in the session
org.apache.hadoop.hbase.client.Connection	hbase()
long	increase(String table, byte[] family, byte[] rowkey, byte[] qualifier, long value) Increase a counter by rowkey and qualifier to a table
String	namespace()
void	open()
void	put(String table, byte[] family, byte[] rowkey, byte[] qualifier, byte[] value) Add a row record to a table(can be used when adding an index)
void	put(String table, byte[] family, byte[] rowkey, byte[] qualifier, byte[] value, long ttl) Add a row record to a table with ttl for index
void	put(String table, byte[] family, byte[] rowkey, Collection<BackendEntry.BackendColumn> columns) Add a row record to a table
void	put(String table, byte[] family, byte[] rowkey, Collection<BackendEntry.BackendColumn> columns, long ttl) Add a row record to a table with ttl
void	remove(String table, byte[] family, byte[] rowkey, byte[] qualifier) Delete a record by rowkey and qualifier from a table
void	remove(String table, byte[] family, byte[] rowkey, byte[] qualifier, boolean latestVersion) Delete a record by rowkey and qualifier from a table, just delete the latest version of the specified column if need
void	rollback() Rollback all updates(put/delete) not committed
HbaseSessions.RowIterator	scan(String table, byte[] startRow, boolean inclusiveStart, byte[] stopRow, boolean inclusiveStop) Scan records by rowkey range from a table
HbaseSessions.RowIterator	scan(String table, org.apache.hadoop.hbase.client.Scan scan) Inner scan: send scan request to HBase and get iterator
long	storeSize(String table) Get store size of specified table

从类继承的方法 com.baidu.hugegraph.backend.store.BackendSession.AbstractBackendSession

attach, closeable, created, detach, opened, txState, txState, update, updated

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

从接口继承的方法 com.baidu.hugegraph.backend.store.hbase.HbaseSessions.HbaseSession

scan, scan, scan, scan, scan

从接口继承的方法 com.baidu.hugegraph.backend.store.BackendSession

reconnectIfNeeded, reset

构造器详细资料

Session

public Session()

方法详细资料

hbase

public org.apache.hadoop.hbase.client.Connection hbase()

namespace

public String namespace()

open

public void open()

指定者:

open 在接口中 BackendSession

close

public void close()

指定者:

close 在接口中 BackendSession

closed

public boolean closed()

指定者:

closed 在接口中 BackendSession

覆盖:

closed 在类中 BackendSession.AbstractBackendSession

hasChanges

public boolean hasChanges()

Any change in the session

指定者:

hasChanges 在接口中 BackendSession

commit

public Integer commit()

Commit all updates(put/delete) to DB

指定者:

commit 在接口中 BackendSession

rollback

public void rollback()

Rollback all updates(put/delete) not committed

指定者:

rollback 在接口中 BackendSession

put

public void put(String table,
                byte[] family,
                byte[] rowkey,
                Collection<BackendEntry.BackendColumn> columns)

Add a row record to a table

指定者:

put 在接口中 HbaseSessions.HbaseSession<HbaseSessions.RowIterator>

put

public void put(String table,
                byte[] family,
                byte[] rowkey,
                Collection<BackendEntry.BackendColumn> columns,
                long ttl)

Add a row record to a table with ttl

put

public void put(String table,
                byte[] family,
                byte[] rowkey,
                byte[] qualifier,
                byte[] value)

Add a row record to a table(can be used when adding an index)

指定者:

put 在接口中 HbaseSessions.HbaseSession<HbaseSessions.RowIterator>

put

public void put(String table,
                byte[] family,
                byte[] rowkey,
                byte[] qualifier,
                byte[] value,
                long ttl)

Add a row record to a table with ttl for index

remove

public void remove(String table,
                   byte[] family,
                   byte[] rowkey,
                   byte[] qualifier)

Delete a record by rowkey and qualifier from a table

指定者:

remove 在接口中 HbaseSessions.HbaseSession<HbaseSessions.RowIterator>

remove

public void remove(String table,
                   byte[] family,
                   byte[] rowkey,
                   byte[] qualifier,
                   boolean latestVersion)

Delete a record by rowkey and qualifier from a table, just delete the latest version of the specified column if need

指定者:

remove 在接口中 HbaseSessions.HbaseSession<HbaseSessions.RowIterator>

delete

public void delete(String table,
                   byte[] family,
                   byte[] rowkey)

Delete a record by rowkey from a table

指定者:

delete 在接口中 HbaseSessions.HbaseSession<HbaseSessions.RowIterator>

get

public HbaseSessions.RowIterator get(String table,
                                     byte[] family,
                                     byte[] rowkey,
                                     byte[] qualifier)

Get a record by rowkey and qualifier from a table

指定者:

get 在接口中 HbaseSessions.HbaseSession<HbaseSessions.RowIterator>

get

public HbaseSessions.RowIterator get(String table,
                                     byte[] family,
                                     byte[] rowkey)

Get a record by rowkey from a table

指定者:

get 在接口中 HbaseSessions.HbaseSession<HbaseSessions.RowIterator>

get

public HbaseSessions.RowIterator get(String table,
                                     byte[] family,
                                     Set<byte[]> rowkeys)

Get multi records by rowkeys from a table

指定者:

get 在接口中 HbaseSessions.HbaseSession<HbaseSessions.RowIterator>

scan

public HbaseSessions.RowIterator scan(String table,
                                      byte[] startRow,
                                      boolean inclusiveStart,
                                      byte[] stopRow,
                                      boolean inclusiveStop)

Scan records by rowkey range from a table

指定者:

scan 在接口中 HbaseSessions.HbaseSession<HbaseSessions.RowIterator>

scan

public HbaseSessions.RowIterator scan(String table,
                                      org.apache.hadoop.hbase.client.Scan scan)

Inner scan: send scan request to HBase and get iterator

指定者:

scan 在接口中 HbaseSessions.HbaseSession<HbaseSessions.RowIterator>

increase

public long increase(String table,
                     byte[] family,
                     byte[] rowkey,
                     byte[] qualifier,
                     long value)

Increase a counter by rowkey and qualifier to a table

指定者:

increase 在接口中 HbaseSessions.HbaseSession<HbaseSessions.RowIterator>

storeSize

public long storeSize(String table)
               throws IOException

Get store size of specified table

抛出:

IOException

countSession

public HbaseSessions.CountSession countSession()