Package org.apache.hadoop.hbase.rest.model

Class TableSchemaModel

java.lang.Object

org.apache.hadoop.hbase.rest.model.TableSchemaModel

All Implemented Interfaces:

Serializable, ProtobufMessageHandler

@Private
public class TableSchemaModel
extends Object
implements Serializable, ProtobufMessageHandler

A representation of HBase table descriptors.

 <complexType name="TableSchema">
   <sequence>
     <element name="column" type="tns:ColumnSchema"
       maxOccurs="unbounded" minOccurs="1"></element>
   </sequence>
   <attribute name="name" type="string"></attribute>
   <anyAttribute></anyAttribute>
 </complexType>
 

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private Map<QName,Object>	attrs
private List<ColumnSchemaModel>	columns
private static final QName	COMPRESSION
private static final QName	IS_META
private static final QName	IS_ROOT
private String	name
private static final QName	READONLY
private static final long	serialVersionUID
private static final QName	TTL
private static final QName	VERSIONS

Constructor Summary

Constructors

Constructor	Description
TableSchemaModel()	Default constructor.
TableSchemaModel(HTableDescriptor htd)	Constructor

Method Summary

Modifier and Type	Method	Description
boolean	__getIsMeta()	Returns true if IS_META attribute exists and is truel
boolean	__getIsRoot()	Returns true if IS_ROOT attribute exists and is truel
boolean	__getReadOnly()	Returns true if READONLY attribute exists and is truel
void	__setIsMeta(boolean value)
void	__setIsRoot(boolean value)
void	__setReadOnly(boolean value)
void	addAttribute(String name, Object value)	Add an attribute to the table descriptor
void	addColumnFamily(ColumnSchemaModel family)	Add a column family to the table descriptor
byte[]	createProtobufOutput()	Returns the protobuf represention of the model
Map<QName,Object>	getAny()	Returns the map for holding unspecified (user) attributes
String	getAttribute(String name)	Return a table descriptor value as a string.
ColumnSchemaModel	getColumnFamily(int index)	Retrieve the column family at the given index from the table descriptor
List<ColumnSchemaModel>	getColumns()	Returns the columns
String	getName()	Returns the table name
ProtobufMessageHandler	getObjectFromMessage(byte[] message)	Initialize the model from a protobuf representation.
HTableDescriptor	getTableDescriptor()	Returns a table descriptor
void	setColumns(List<ColumnSchemaModel> columns)
void	setName(String name)
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

IS_META

private static final QName IS_META

IS_ROOT

private static final QName IS_ROOT

READONLY

private static final QName READONLY

TTL

private static final QName TTL

VERSIONS

private static final QName VERSIONS

COMPRESSION

private static final QName COMPRESSION

name

private String name

attrs

private Map<QName,Object> attrs

columns

private List<ColumnSchemaModel> columns

Constructor Details

TableSchemaModel

public TableSchemaModel()

Default constructor.

TableSchemaModel

public TableSchemaModel(HTableDescriptor htd)

Constructor

Parameters:

htd - the table descriptor

Method Details

addAttribute

public void addAttribute(String name,
 Object value)

Add an attribute to the table descriptor

Parameters:

name - attribute name

value - attribute value

getAttribute

public String getAttribute(String name)

Return a table descriptor value as a string. Calls toString() on the object stored in the descriptor value map.

Parameters:

name - the attribute name

Returns:

the attribute value

addColumnFamily

public void addColumnFamily(ColumnSchemaModel family)

Add a column family to the table descriptor

Parameters:

family - the column family model

getColumnFamily

public ColumnSchemaModel getColumnFamily(int index)

Retrieve the column family at the given index from the table descriptor

Parameters:

index - the index

Returns:

the column family model

getName

public String getName()

Returns the table name

getAny

public Map<QName,Object> getAny()

Returns the map for holding unspecified (user) attributes

getColumns

public List<ColumnSchemaModel> getColumns()

Returns the columns

setName

public void setName(String name)

Parameters:

name - the table name

setColumns

public void setColumns(List<ColumnSchemaModel> columns)

Parameters:

columns - the columns to set

toString

public String toString()

Overrides:

toString in class Object

__getIsMeta

public boolean __getIsMeta()

Returns true if IS_META attribute exists and is truel

__getIsRoot

public boolean __getIsRoot()

Returns true if IS_ROOT attribute exists and is truel

__getReadOnly

public boolean __getReadOnly()

Returns true if READONLY attribute exists and is truel

__setIsMeta

public void __setIsMeta(boolean value)

Parameters:

value - desired value of IS_META attribute

__setIsRoot

public void __setIsRoot(boolean value)

Parameters:

value - desired value of IS_ROOT attribute

__setReadOnly

public void __setReadOnly(boolean value)

Parameters:

value - desired value of READONLY attribute

createProtobufOutput

public byte[] createProtobufOutput()

Description copied from interface: ProtobufMessageHandler

Returns the protobuf represention of the model

Specified by:

createProtobufOutput in interface ProtobufMessageHandler

getObjectFromMessage

public ProtobufMessageHandler getObjectFromMessage(byte[] message)
                                            throws IOException

Description copied from interface: ProtobufMessageHandler

Initialize the model from a protobuf representation.

Specified by:

getObjectFromMessage in interface ProtobufMessageHandler

Parameters:

message - the raw bytes of the protobuf message

Returns:

reference to self for convenience

Throws:

IOException

getTableDescriptor

public HTableDescriptor getTableDescriptor()

Returns a table descriptor