org.kitesdk.data

Class ColumnMapping

java.lang.Object

org.kitesdk.data.ColumnMapping

@Immutable
public class ColumnMapping
extends Object

A descriptor for an entity's column mappings, which defines how an entity maps to a columnar store.

Since:

0.14.0

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ColumnMapping.Builder A fluent builder to aid in constructing a ColumnMapping.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object o)
FieldMapping	getFieldMapping(String fieldName)
Collection<FieldMapping>	getFieldMappings()
Set<String>	getRequiredColumnFamilies() Get the column families required by this schema.
Set<String>	getRequiredColumns() Get the columns required by this schema.
int	hashCode()
String	toString()
String	toString(boolean pretty)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

getFieldMappings

public Collection<FieldMapping> getFieldMappings()

getFieldMapping

public FieldMapping getFieldMapping(String fieldName)

getRequiredColumns

public Set<String> getRequiredColumns()

Get the columns required by this schema.

Returns:

The set of columns

getRequiredColumnFamilies

public Set<String> getRequiredColumnFamilies()

Get the column families required by this schema.

Returns:

The set of column families.

equals

public boolean equals(@Nullable
             Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object

toString

public String toString(boolean pretty)