org.apache.flink.addons.hbase

类 HBaseTableSchema

java.lang.Object

org.apache.flink.addons.hbase.HBaseTableSchema

所有已实现的接口:

Serializable

public class HBaseTableSchema
extends Object
implements Serializable

Helps to specify an HBase Table's schema.

另请参阅:

序列化表格

构造器概要

构造器

构造器和说明
HBaseTableSchema()

方法概要

限定符和类型	方法和说明
void	addColumn(String family, String qualifier, Class<?> clazz) Adds a column defined by family, qualifier, and type to the table schema.
byte[][]	getFamilyKeys() Returns the HBase identifiers of all registered column families.
String[]	getFamilyNames() Returns the names of all registered column families.
byte[][]	getQualifierKeys(String family) Returns the HBase identifiers of all registered column qualifiers for a specific column family.
org.apache.flink.api.common.typeinfo.TypeInformation<?>[]	getQualifierTypes(String family) Returns the types of all registered column qualifiers of a specific column family.
int	getRowKeyIndex() Returns field index of row key in the table schema.
Optional<org.apache.flink.api.common.typeinfo.TypeInformation<?>>	getRowKeyTypeInfo() Returns the optional type information of row key.
String	getStringCharset() Returns the charset for value strings and HBase identifiers.
void	setCharset(String charset) Sets the charset for value strings and HBase identifiers.
void	setRowKey(String rowKeyName, Class<?> clazz) Sets row key information in the table schema.

从类继承的方法 java.lang.Object

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

构造器详细资料

HBaseTableSchema

public HBaseTableSchema()

方法详细资料

addColumn

public void addColumn(String family,
                      String qualifier,
                      Class<?> clazz)

Adds a column defined by family, qualifier, and type to the table schema.

参数:

family - the family name

qualifier - the qualifier name

clazz - the data type of the qualifier

setRowKey

public void setRowKey(String rowKeyName,
                      Class<?> clazz)

Sets row key information in the table schema.

参数:

rowKeyName - the row key field name

clazz - the data type of the row key

setCharset

public void setCharset(String charset)

Sets the charset for value strings and HBase identifiers.

参数:

charset - the charset for value strings and HBase identifiers.

getFamilyNames

public String[] getFamilyNames()

Returns the names of all registered column families.

返回:

The names of all registered column families.

getFamilyKeys

public byte[][] getFamilyKeys()

Returns the HBase identifiers of all registered column families.

返回:

The HBase identifiers of all registered column families.

getQualifierKeys

public byte[][] getQualifierKeys(String family)

Returns the HBase identifiers of all registered column qualifiers for a specific column family.

参数:

family - The name of the column family for which the column qualifier identifiers are returned.

返回:

The HBase identifiers of all registered column qualifiers for a specific column family.

getQualifierTypes

public org.apache.flink.api.common.typeinfo.TypeInformation<?>[] getQualifierTypes(String family)

Returns the types of all registered column qualifiers of a specific column family.

参数:

family - The name of the column family for which the column qualifier types are returned.

返回:

The types of all registered column qualifiers of a specific column family.

getStringCharset

public String getStringCharset()

Returns the charset for value strings and HBase identifiers.

返回:

The charset for value strings and HBase identifiers.

getRowKeyIndex

public int getRowKeyIndex()

Returns field index of row key in the table schema. Returns -1 if row key is not set.

getRowKeyTypeInfo

public Optional<org.apache.flink.api.common.typeinfo.TypeInformation<?>> getRowKeyTypeInfo()

Returns the optional type information of row key. Returns null if row key is not set.