Package com.clickhouse.data.value

Class ClickHouseDoubleValue

java.lang.Object

com.clickhouse.data.value.ClickHouseDoubleValue

All Implemented Interfaces:

ClickHouseValue, Serializable

public class ClickHouseDoubleValue
extends Object
implements ClickHouseValue

Wrapper class of double.

See Also:

• Serialized Form

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ClickHouseDoubleValue(boolean isNull, double value)

Method Summary

Modifier and Type	Method	Description
BigDecimal	asBigDecimal()	Gets value as BigDecimal, using default scale(usually 0).
BigDecimal	asBigDecimal(int scale)	Gets value as BigDecimal.
BigInteger	asBigInteger()	Gets value as BigInteger.
byte	asByte()	Gets value as byte.
double	asDouble()	Gets value as double.
float	asFloat()	Gets value as float.
int	asInteger()	Gets value as integer.
long	asLong()	Gets value as long.
Object	asObject()	Gets value as an object.
short	asShort()	Gets value as short.
String	asString()	Gets value as unbounded string, using default charset(usually UTF-8).
ClickHouseDoubleValue	copy(boolean deep)	Gets a copy of this value object.
boolean	equals(Object obj)
double	getValue()	Gets value.
int	hashCode()
boolean	isNullOrEmpty()	Checks if the value is null, or empty for non-null types like Array, Tuple and Map.
static ClickHouseDoubleValue	of(double value)	Wrap the given value.
static ClickHouseDoubleValue	of(ClickHouseValue ref, double value)	Update value of the given object or create a new instance if ref is null.
static ClickHouseDoubleValue	ofNull()	Create a new instance representing null value.
static ClickHouseDoubleValue	ofNull(ClickHouseValue ref)	Update given value to null or create a new instance if ref is null.
ClickHouseDoubleValue	resetToDefault()	Resets to default value of corresponding data type.
ClickHouseDoubleValue	resetToNullOrEmpty()	Resets value to null, or empty when null is not supported(e.g.
protected ClickHouseDoubleValue	set(boolean isNull, double value)
String	toSqlExpression()	Converts the value to escaped SQL expression.
String	toString()
ClickHouseDoubleValue	update(boolean value)	Updates value.
ClickHouseDoubleValue	update(byte value)	Updates value.
ClickHouseDoubleValue	update(char value)	Updates value.
ClickHouseDoubleValue	update(double value)	Updates value.
ClickHouseDoubleValue	update(float value)	Updates value.
ClickHouseDoubleValue	update(int value)	Updates value.
ClickHouseDoubleValue	update(long value)	Updates value.
ClickHouseDoubleValue	update(short value)	Updates value.
ClickHouseDoubleValue	update(ClickHouseValue value)	Updates value.
ClickHouseDoubleValue	update(Enum<?> value)	Updates value.
ClickHouseDoubleValue	update(Object value)	Updates value.
ClickHouseDoubleValue	update(String value)	Updates value.
ClickHouseDoubleValue	update(BigDecimal value)	Updates value.
ClickHouseDoubleValue	update(BigInteger value)	Updates value.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.clickhouse.data.ClickHouseValue

asArray, asArray, asBinary, asBinary, asBinary, asBinary, asBoolean, asByteStream, asCharacter, asCharacterStream, asDate, asDateTime, asDateTime, asEnum, asInet4Address, asInet6Address, asInstant, asInstant, asMap, asMap, asObject, asOffsetDateTime, asOffsetDateTime, asRawObject, asTime, asTime, asTuple, asUuid, asZonedDateTime, asZonedDateTime, copy, isInfinity, isNaN, isNullable, newUnsupportedException, update, update, update, update, update, update, update, update, update, update, update, update, update, update, update, update, update, update, update, update, update, update, update, updateUnknown

Constructor Details

ClickHouseDoubleValue

protected ClickHouseDoubleValue(boolean isNull,
 double value)

Method Details

ofNull

public static ClickHouseDoubleValue ofNull()

Create a new instance representing null value.

Returns:

new instance representing null value

ofNull

public static ClickHouseDoubleValue ofNull(ClickHouseValue ref)

Update given value to null or create a new instance if ref is null.

Parameters:

ref - object to update, could be null

Returns:

same object as ref or a new instance if it's null

of

public static ClickHouseDoubleValue of(double value)

Wrap the given value.

Parameters:

value - value

Returns:

object representing the value

of

public static ClickHouseDoubleValue of(ClickHouseValue ref,
 double value)

Update value of the given object or create a new instance if ref is null.

Parameters:

ref - object to update, could be null

value - value

Returns:

same object as ref or a new instance if it's null

set

protected ClickHouseDoubleValue set(boolean isNull,
 double value)

getValue

public double getValue()

Gets value.

Returns:

value

copy

public ClickHouseDoubleValue copy(boolean deep)

Description copied from interface: ClickHouseValue

Gets a copy of this value object.

Specified by:

copy in interface ClickHouseValue

Parameters:

deep - true to create a deep copy; false for a shallow copy

Returns:

copy of this value object

isNullOrEmpty

public boolean isNullOrEmpty()

Description copied from interface: ClickHouseValue

Checks if the value is null, or empty for non-null types like Array, Tuple and Map.

Please pay attention that only nullability will be considered for String, meaning this method will return false for an empty string. This is because String is treated as value-based type instead of a container like Array.

Specified by:

isNullOrEmpty in interface ClickHouseValue

Returns:

true if the value is null or empty; false otherwise

asByte

public byte asByte()

Description copied from interface: ClickHouseValue

Gets value as byte.

Specified by:

asByte in interface ClickHouseValue

Returns:

byte value

asShort

public short asShort()

Description copied from interface: ClickHouseValue

Gets value as short.

Specified by:

asShort in interface ClickHouseValue

Returns:

short value

asInteger

public int asInteger()

Description copied from interface: ClickHouseValue

Gets value as integer.

Specified by:

asInteger in interface ClickHouseValue

Returns:

integer value

asLong

public long asLong()

Description copied from interface: ClickHouseValue

Gets value as long.

Specified by:

asLong in interface ClickHouseValue

Returns:

long value

asBigInteger

public BigInteger asBigInteger()

Description copied from interface: ClickHouseValue

Gets value as BigInteger.

Specified by:

asBigInteger in interface ClickHouseValue

Returns:

big integer, could be null

asFloat

public float asFloat()

Description copied from interface: ClickHouseValue

Gets value as float.

Specified by:

asFloat in interface ClickHouseValue

Returns:

float value

asDouble

public double asDouble()

Description copied from interface: ClickHouseValue

Gets value as double.

Specified by:

asDouble in interface ClickHouseValue

Returns:

double value

asBigDecimal

public BigDecimal asBigDecimal()

Description copied from interface: ClickHouseValue

Gets value as BigDecimal, using default scale(usually 0).

Specified by:

asBigDecimal in interface ClickHouseValue

Returns:

big decimal, could be null

asBigDecimal

public BigDecimal asBigDecimal(int scale)

Description copied from interface: ClickHouseValue

Gets value as BigDecimal.

Specified by:

asBigDecimal in interface ClickHouseValue

Parameters:

scale - scale of the decimal

Returns:

big decimal, could be null

asObject

public Object asObject()

Description copied from interface: ClickHouseValue

Gets value as an object.

Specified by:

asObject in interface ClickHouseValue

Returns:

an object representing the value, could be null

asString

public String asString()

Description copied from interface: ClickHouseValue

Gets value as unbounded string, using default charset(usually UTF-8).

Specified by:

asString in interface ClickHouseValue

Returns:

string value, could be null

resetToDefault

public ClickHouseDoubleValue resetToDefault()

Description copied from interface: ClickHouseValue

Resets to default value of corresponding data type.

Specified by:

resetToDefault in interface ClickHouseValue

Returns:

this object

resetToNullOrEmpty

public ClickHouseDoubleValue resetToNullOrEmpty()

Description copied from interface: ClickHouseValue

Resets value to null, or empty when null is not supported(e.g. Array, Tuple and Map etc.).

Keep in mind that String is value-based type, so this method will change its value to null instead of an empty string.

Specified by:

resetToNullOrEmpty in interface ClickHouseValue

Returns:

this object

toSqlExpression

public String toSqlExpression()

Description copied from interface: ClickHouseValue

Converts the value to escaped SQL expression. For example, number 123 will be converted to 123, while string "12'3" will be converted to @{code '12\'3'}.

Specified by:

toSqlExpression in interface ClickHouseValue

Returns:

escaped SQL expression

update

public ClickHouseDoubleValue update(boolean value)

Description copied from interface: ClickHouseValue

Updates value.

Specified by:

update in interface ClickHouseValue

Parameters:

value - value to update

Returns:

this object

update

public ClickHouseDoubleValue update(char value)

Description copied from interface: ClickHouseValue

Updates value.

Specified by:

update in interface ClickHouseValue

Parameters:

value - value to update

Returns:

this object

update

public ClickHouseDoubleValue update(byte value)

Description copied from interface: ClickHouseValue

Updates value.

Specified by:

update in interface ClickHouseValue

Parameters:

value - value to update

Returns:

this object

update

public ClickHouseDoubleValue update(short value)

Description copied from interface: ClickHouseValue

Updates value.

Specified by:

update in interface ClickHouseValue

Parameters:

value - value to update

Returns:

this object

update

public ClickHouseDoubleValue update(int value)

Description copied from interface: ClickHouseValue

Updates value.

Specified by:

update in interface ClickHouseValue

Parameters:

value - value to update

Returns:

this object

update

public ClickHouseDoubleValue update(long value)

Description copied from interface: ClickHouseValue

Updates value.

Specified by:

update in interface ClickHouseValue

Parameters:

value - value to update

Returns:

this object

update

public ClickHouseDoubleValue update(float value)

Description copied from interface: ClickHouseValue

Updates value.

Specified by:

update in interface ClickHouseValue

Parameters:

value - value to update

Returns:

this object

update

public ClickHouseDoubleValue update(double value)

Description copied from interface: ClickHouseValue

Updates value.

Specified by:

update in interface ClickHouseValue

Parameters:

value - value to update

Returns:

this object

update

public ClickHouseDoubleValue update(BigInteger value)

Description copied from interface: ClickHouseValue

Updates value.

Specified by:

update in interface ClickHouseValue

Parameters:

value - value to update

Returns:

this object

update

public ClickHouseDoubleValue update(BigDecimal value)

Description copied from interface: ClickHouseValue

Updates value.

Specified by:

update in interface ClickHouseValue

Parameters:

value - value to update

Returns:

this object

update

public ClickHouseDoubleValue update(Enum<?> value)

Description copied from interface: ClickHouseValue

Updates value.

Specified by:

update in interface ClickHouseValue

Parameters:

value - value to update

Returns:

this object

update

public ClickHouseDoubleValue update(String value)

Description copied from interface: ClickHouseValue

Updates value.

Specified by:

update in interface ClickHouseValue

Parameters:

value - value to update

Returns:

this object

update

public ClickHouseDoubleValue update(ClickHouseValue value)

Description copied from interface: ClickHouseValue

Updates value.

Specified by:

update in interface ClickHouseValue

Parameters:

value - value to update

Returns:

this object

update

public ClickHouseDoubleValue update(Object value)

Description copied from interface: ClickHouseValue

Updates value. This method tries to identify type of value and then use corresponding update method to proceed. Unknown value will be passed to ClickHouseValue.updateUnknown(Object).

Specified by:

update in interface ClickHouseValue

Parameters:

value - value to update, could be null

Returns:

this object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object