org.apache.hadoop.hive.accumulo.columns

Class ColumnMapping

java.lang.Object

org.apache.hadoop.hive.accumulo.columns.ColumnMapping

Direct Known Subclasses:

HiveAccumuloColumnMapping, HiveAccumuloMapColumnMapping, HiveAccumuloRowIdColumnMapping

public abstract class ColumnMapping
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
protected String	columnName
protected String	columnType
protected ColumnEncoding	encoding
protected String	mappingSpec

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ColumnMapping(String mappingSpec, ColumnEncoding encoding, String columnName, String columnType)
protected	ColumnMapping(String mappingSpec, ColumnEncoding encoding, String columnName, TypeInfo columnType)

Method Summary

Methods

Modifier and Type	Method and Description
String	getColumnName() The name of the Hive column this is mapping
String	getColumnType() The @{link TypeInfo} of the Hive column this is mapping
ColumnEncoding	getEncoding() The manner in which the value is encoded in Accumulo
String	getMappingSpec() The property defining how this Column is mapped into Accumulo

Methods inherited from class java.lang.Object

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

Field Detail

mappingSpec

protected final String mappingSpec

encoding

protected final ColumnEncoding encoding

columnName

protected final String columnName

columnType

protected final String columnType

Constructor Detail

ColumnMapping

protected ColumnMapping(String mappingSpec,
             ColumnEncoding encoding,
             String columnName,
             String columnType)

ColumnMapping

protected ColumnMapping(String mappingSpec,
             ColumnEncoding encoding,
             String columnName,
             TypeInfo columnType)

Method Detail

getMappingSpec

public String getMappingSpec()

The property defining how this Column is mapped into Accumulo

getEncoding

public ColumnEncoding getEncoding()

The manner in which the value is encoded in Accumulo

getColumnName

public String getColumnName()

The name of the Hive column this is mapping

getColumnType

public String getColumnType()

The @{link TypeInfo} of the Hive column this is mapping