com.xxdb.data

Class BasicLong

java.lang.Object

com.xxdb.data.AbstractEntity

com.xxdb.data.AbstractScalar

com.xxdb.data.BasicLong

All Implemented Interfaces:

Entity, Scalar, Comparable<BasicLong>

Direct Known Subclasses:

BasicNanoTime, BasicNanoTimestamp, BasicTimestamp

public class BasicLong
extends AbstractScalar
implements Comparable<BasicLong>

Corresponds to DolphindB long scalar

Nested Class Summary

Nested classes/interfaces inherited from interface com.xxdb.data.Entity

Entity.DATA_CATEGORY, Entity.DATA_FORM, Entity.DATA_TYPE, Entity.DURATION, Entity.PARTITION_TYPE

Constructor Summary

Constructors

Constructor and Description
BasicLong(ExtendedDataInput in)
BasicLong(long value)

Method Summary

Modifier and Type	Method and Description
int	compareTo(BasicLong o)
boolean	equals(Object o)
Entity.DATA_CATEGORY	getDataCategory()
Entity.DATA_TYPE	getDataType()
String	getJsonString()
long	getLong()
Number	getNumber()
int	getScale()
String	getString()
Temporal	getTemporal()
int	hashBucket(int buckets)
int	hashCode()
boolean	isNull() Below methods are extract from Scalar interface, include: isNull、setNull、getNumber、getTemporal、hashBucket、getJsonString Purpose: Because new version now is support return Entity, if clients haven't modified old use(eg, use Scalar special method) need to adapt it, so the solution is extract methods from Scalar to its parent interface Entity.
void	setNull()
protected void	writeScalarToOutputStream(ExtendedDataOutput out)

Methods inherited from class com.xxdb.data.AbstractScalar

columns, getDataForm, rows, toString, write

Methods inherited from class com.xxdb.data.AbstractEntity

getDataCategory, isChart, isChunk, isDictionary, isMatrix, isPair, isScalar, isTable, isVector

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.xxdb.data.Entity

isChart, isChunk, isDictionary, isMatrix, isPair, isScalar, isTable, isVector, typeToCategory, writeCompressed

Constructor Detail

BasicLong

public BasicLong(long value)

BasicLong

public BasicLong(ExtendedDataInput in)
          throws IOException

Throws:

IOException

Method Detail

getLong

public long getLong()

isNull

public boolean isNull()

Description copied from interface: Entity

Below methods are extract from Scalar interface, include: isNull、setNull、getNumber、getTemporal、hashBucket、getJsonString Purpose: Because new version now is support return Entity, if clients haven't modified old use(eg, use Scalar special method) need to adapt it, so the solution is extract methods from Scalar to its parent interface Entity.

Specified by:

isNull in interface Entity

Specified by:

isNull in interface Scalar

setNull

public void setNull()

Specified by:

setNull in interface Entity

Specified by:

setNull in interface Scalar

getDataCategory

public Entity.DATA_CATEGORY getDataCategory()

Specified by:

getDataCategory in interface Entity

getDataType

public Entity.DATA_TYPE getDataType()

Specified by:

getDataType in interface Entity

getNumber

public Number getNumber()
                 throws Exception

Specified by:

getNumber in interface Entity

Specified by:

getNumber in interface Scalar

Throws:

Exception

getTemporal

public Temporal getTemporal()
                     throws Exception

Specified by:

getTemporal in interface Entity

Specified by:

getTemporal in interface Scalar

Throws:

Exception

getString

public String getString()

Specified by:

getString in interface Entity

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

hashBucket

public int hashBucket(int buckets)

Specified by:

hashBucket in interface Entity

Specified by:

hashBucket in interface Scalar

getScale

public int getScale()

Specified by:

getScale in interface Scalar

Overrides:

getScale in class AbstractScalar

getJsonString

public String getJsonString()

Specified by:

getJsonString in interface Entity

Specified by:

getJsonString in interface Scalar

writeScalarToOutputStream

protected void writeScalarToOutputStream(ExtendedDataOutput out)
                                  throws IOException

Specified by:

writeScalarToOutputStream in class AbstractScalar

Throws:

IOException

compareTo

public int compareTo(BasicLong o)

Specified by:

compareTo in interface Comparable<BasicLong>