org.apache.phoenix.schema

Class PColumnImpl

java.lang.Object

org.apache.phoenix.schema.PColumnImpl

All Implemented Interfaces:

PColumn, PDatum

public class PColumnImpl
extends Object
implements PColumn

Constructor Summary

Constructors

Constructor and Description
PColumnImpl()
PColumnImpl(PColumn column, int position)
PColumnImpl(PName name, PName familyName, PDataType dataType, Integer maxLength, Integer scale, boolean nullable, int position, SortOrder sortOrder, Integer arrSize, byte[] viewConstant, boolean isViewReferenced, String expressionStr, boolean isRowTimestamp, boolean isDynamic, byte[] columnQualifierBytes)

Method Summary

Modifier and Type	Method and Description
static PColumn	createFromProto(PTableProtos.PColumn column) Create a PColumn instance from PBed PColumn instance
boolean	equals(Object obj)
Integer	getArraySize()
byte[]	getColumnQualifierBytes()
PDataType	getDataType()
int	getEstimatedSize()
String	getExpressionStr()
PName	getFamilyName()
Integer	getMaxLength()
PName	getName()
int	getPosition()
Integer	getScale()
SortOrder	getSortOrder()
byte[]	getViewConstant()
int	hashCode()
boolean	isDynamic()
boolean	isNullable()
boolean	isRowTimestamp()
boolean	isViewReferenced()
static PTableProtos.PColumn	toProto(PColumn column)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

PColumnImpl

public PColumnImpl()

PColumnImpl

public PColumnImpl(PName name,
                   PName familyName,
                   PDataType dataType,
                   Integer maxLength,
                   Integer scale,
                   boolean nullable,
                   int position,
                   SortOrder sortOrder,
                   Integer arrSize,
                   byte[] viewConstant,
                   boolean isViewReferenced,
                   String expressionStr,
                   boolean isRowTimestamp,
                   boolean isDynamic,
                   byte[] columnQualifierBytes)

PColumnImpl

public PColumnImpl(PColumn column,
                   int position)

Method Detail

getEstimatedSize

public int getEstimatedSize()

Specified by:

getEstimatedSize in interface PColumn

getName

public PName getName()

Specified by:

getName in interface PColumn

Returns:

the name of the column

getFamilyName

public PName getFamilyName()

Specified by:

getFamilyName in interface PColumn

Returns:

the name of the column family

getDataType

public PDataType getDataType()

Specified by:

getDataType in interface PDatum

Returns:

data type of the column

getMaxLength

public Integer getMaxLength()

Specified by:

getMaxLength in interface PDatum

Returns:

the actual length of the column. For decimal, it would be its precision. For char or varchar, it would be the maximum length as specified during schema definition.

getScale

public Integer getScale()

Specified by:

getScale in interface PDatum

Returns:

scale of a decimal number.

getExpressionStr

public String getExpressionStr()

Specified by:

getExpressionStr in interface PColumn

isNullable

public boolean isNullable()

Specified by:

isNullable in interface PDatum

Returns:

is this column nullable?

getPosition

public int getPosition()

Specified by:

getPosition in interface PColumn

Returns:

the zero-based ordinal position of the column

getSortOrder

public SortOrder getSortOrder()

Specified by:

getSortOrder in interface PDatum

Returns:

The SortOrder for this column, never null

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

getArraySize

public Integer getArraySize()

Specified by:

getArraySize in interface PColumn

Returns:

the declared array size or zero if this is not an array

getViewConstant

public byte[] getViewConstant()

Specified by:

getViewConstant in interface PColumn

isViewReferenced

public boolean isViewReferenced()

Specified by:

isViewReferenced in interface PColumn

isRowTimestamp

public boolean isRowTimestamp()

Specified by:

isRowTimestamp in interface PColumn

Returns:

whether this column represents/stores the hbase cell timestamp.

isDynamic

public boolean isDynamic()

Specified by:

isDynamic in interface PColumn

getColumnQualifierBytes

public byte[] getColumnQualifierBytes()

Specified by:

getColumnQualifierBytes in interface PColumn

createFromProto

public static PColumn createFromProto(PTableProtos.PColumn column)

Create a PColumn instance from PBed PColumn instance

Parameters:

column -

toProto

public static PTableProtos.PColumn toProto(PColumn column)