Package com.clickhouse.data.value

Class ClickHouseByteValue

java.lang.Object

com.clickhouse.data.value.ClickHouseByteValue

All Implemented Interfaces:

ClickHouseValue, Serializable

public class ClickHouseByteValue
extends Object
implements ClickHouseValue

Wrapper class of byte.

See Also:

• Serialized Form

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ClickHouseByteValue(boolean isNull, byte value)

Method Summary

Modifier and Type	Method	Description
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).
ClickHouseByteValue	copy(boolean deep)	Gets a copy of this value object.
boolean	equals(Object obj)
final byte	getValue()	Gets value.
int	hashCode()
final boolean	isNullOrEmpty()	Checks if the value is null, or empty for non-null types like Array, Tuple and Map.
static ClickHouseByteValue	of(byte value)	Wraps the given Int8 value.
static ClickHouseByteValue	of(byte value, boolean unsigned)	Wraps the given value.
static ClickHouseByteValue	of(int value)	Wraps the given Int8 value.
static ClickHouseByteValue	of(int value, boolean unsigned)	Wraps the given value.
static ClickHouseByteValue	of(ClickHouseValue ref, byte value, boolean unsigned)	Updates value of the given object or create a new instance when ref is null.
static ClickHouseByteValue	of(Number value, boolean unsigned)	Wraps the given value.
static ClickHouseByteValue	ofNull()	Creates a new instance representing null Int8 value.
static ClickHouseByteValue	ofNull(boolean unsigned)	Creates a new instance representing null value.
static ClickHouseByteValue	ofNull(ClickHouseValue ref, boolean unsigned)	Updates the given value to null or creates a new instance when ref is null.
static ClickHouseByteValue	ofUnsigned(byte value)	Wraps the given UInt8 value.
static ClickHouseByteValue	ofUnsigned(int value)	Wraps the given UInt8 value.
static ClickHouseByteValue	ofUnsignedNull()	Creates a new instance representing null UInt8 value.
ClickHouseByteValue	resetToDefault()	Resets to default value of corresponding data type.
ClickHouseByteValue	resetToNullOrEmpty()	Resets value to null, or empty when null is not supported(e.g.
protected final ClickHouseByteValue	set(boolean isNull, byte value)
String	toSqlExpression()	Converts the value to escaped SQL expression.
String	toString()
ClickHouseByteValue	update(byte value)	Updates value.
ClickHouseByteValue	update(char value)	Updates value.
ClickHouseByteValue	update(double value)	Updates value.
ClickHouseByteValue	update(float value)	Updates value.
ClickHouseByteValue	update(int value)	Updates value.
ClickHouseByteValue	update(long value)	Updates value.
ClickHouseByteValue	update(short value)	Updates value.
ClickHouseByteValue	update(ClickHouseValue value)	Updates value.
ClickHouseByteValue	update(Enum<?> value)	Updates value.
ClickHouseByteValue	update(Object value)	Updates value.
ClickHouseByteValue	update(String value)	Updates value.
ClickHouseByteValue	update(BigDecimal value)	Updates value.
ClickHouseByteValue	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, asBigDecimal, 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, update, updateUnknown

Constructor Details

ClickHouseByteValue

protected ClickHouseByteValue(boolean isNull,
 byte value)

Method Details

ofNull

public static ClickHouseByteValue ofNull()

Creates a new instance representing null Int8 value.

Returns:

new instance representing null value

ofUnsignedNull

public static ClickHouseByteValue ofUnsignedNull()

Creates a new instance representing null UInt8 value.

Returns:

new instance representing null value

ofNull

public static ClickHouseByteValue ofNull(boolean unsigned)

Creates a new instance representing null value.

Parameters:

unsigned - true if the value is unsigned; false otherwise

Returns:

new instance representing null value

ofNull

public static ClickHouseByteValue ofNull(ClickHouseValue ref,
 boolean unsigned)

Updates the given value to null or creates a new instance when ref is null.

Parameters:

ref - object to update, could be null

unsigned - true if the value is unsigned; false otherwise

Returns:

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

of

public static ClickHouseByteValue of(byte value)

Wraps the given Int8 value.

Parameters:

value - value

Returns:

object representing the value

ofUnsigned

public static ClickHouseByteValue ofUnsigned(byte value)

Wraps the given UInt8 value.

Parameters:

value - value

Returns:

object representing the value

of

public static ClickHouseByteValue of(byte value,
 boolean unsigned)

Wraps the given value.

Parameters:

value - value

unsigned - true if value is unsigned; false otherwise

Returns:

object representing the value

of

public static ClickHouseByteValue of(int value)

Wraps the given Int8 value.

Parameters:

value - value

Returns:

object representing the value

ofUnsigned

public static ClickHouseByteValue ofUnsigned(int value)

Wraps the given UInt8 value.

Parameters:

value - value

Returns:

object representing the value

of

public static ClickHouseByteValue of(int value,
 boolean unsigned)

Wraps the given value.

Parameters:

value - value

unsigned - true if value is unsigned; false otherwise

Returns:

object representing the value

of

public static ClickHouseByteValue of(Number value,
 boolean unsigned)

Wraps the given value.

Parameters:

value - value

unsigned - true if value is unsigned; false otherwise

Returns:

object representing the value

of

public static ClickHouseByteValue of(ClickHouseValue ref,
 byte value,
 boolean unsigned)

Updates value of the given object or create a new instance when ref is null.

Parameters:

ref - object to update, could be null

value - value

unsigned - true if value is unsigned; false otherwise

Returns:

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

set

protected final ClickHouseByteValue set(boolean isNull,
 byte value)

getValue

public final byte getValue()

Gets value.

Returns:

value

copy

public ClickHouseByteValue 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 final 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(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 ClickHouseByteValue 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 ClickHouseByteValue 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 ClickHouseByteValue 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 ClickHouseByteValue 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 ClickHouseByteValue 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 ClickHouseByteValue 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 ClickHouseByteValue 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 ClickHouseByteValue 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 ClickHouseByteValue 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 ClickHouseByteValue 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 ClickHouseByteValue 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 ClickHouseByteValue 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 ClickHouseByteValue 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 ClickHouseByteValue 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 ClickHouseByteValue 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