com.ing.data.cassandra.jdbc.types

Class JdbcDouble

java.lang.Object

com.ing.data.cassandra.jdbc.types.AbstractJdbcType<Double>

com.ing.data.cassandra.jdbc.types.JdbcDouble

public class JdbcDouble
extends AbstractJdbcType<Double>

JDBC description of DOUBLE CQL type (corresponding Java type: Double).

CQL type description: 64-bit IEEE-754 floating point.

Field Summary

Fields

Modifier and Type	Field and Description
static JdbcDouble	INSTANCE Gets a JdbcDouble instance.

Fields inherited from class com.ing.data.cassandra.jdbc.types.AbstractJdbcType

DEFAULT_PRECISION, DEFAULT_SCALE

Method Summary

Modifier and Type	Method and Description
Double	compose(Object value) Transforms the given object to an instance of the Java type corresponding to this type.
Object	decompose(Double value) Transforms the given instance of the Java type corresponding to this type to a generic object.
int	getJdbcType() Gets the JDBC type constant.
int	getPrecision(Double obj) Gets the precision of the given value (if applicable).
int	getScale(Double obj) Gets the scale of the given value (if applicable).
Class<Double>	getType() Gets the Java type corresponding to this type.
boolean	isCaseSensitive() Gets whether the values of this type are case-sensitive (if applicable).
boolean	isCurrency() Gets whether the values of this type are currencies (if applicable).
boolean	isSigned() Gets whether the values of this type are signed (if applicable).
boolean	needsQuotes() Gets whether the values of this type require quotes.
String	toString(Double obj) Gets a string representation of the given value.

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final JdbcDouble INSTANCE

Gets a JdbcDouble instance.

Method Detail

isCaseSensitive

public boolean isCaseSensitive()

Description copied from class: AbstractJdbcType

Gets whether the values of this type are case-sensitive (if applicable).

The implementation should return false if not applicable.

Specified by:

isCaseSensitive in class AbstractJdbcType<Double>

Returns:

true if the values are case-sensitive, false otherwise.

getScale

public int getScale(Double obj)

Description copied from class: AbstractJdbcType

Gets the scale of the given value (if applicable).

The implementation should return 0 if not applicable.

Specified by:

getScale in class AbstractJdbcType<Double>

Parameters:

obj - The value.

Returns:

The scale.

getPrecision

public int getPrecision(Double obj)

Description copied from class: AbstractJdbcType

Gets the precision of the given value (if applicable).

The implementation should return -1 if not applicable.

Specified by:

getPrecision in class AbstractJdbcType<Double>

Parameters:

obj - The value.

Returns:

The precision.

isCurrency

public boolean isCurrency()

Description copied from class: AbstractJdbcType

Gets whether the values of this type are currencies (if applicable).

The implementation should return false if not applicable.

Specified by:

isCurrency in class AbstractJdbcType<Double>

Returns:

true if the values are currencies, false otherwise.

isSigned

public boolean isSigned()

Description copied from class: AbstractJdbcType

Gets whether the values of this type are signed (if applicable).

The implementation should return false if not applicable.

Specified by:

isSigned in class AbstractJdbcType<Double>

Returns:

true if the values are signed, false otherwise.

toString

public String toString(Double obj)

Description copied from class: AbstractJdbcType

Gets a string representation of the given value.

Specified by:

toString in class AbstractJdbcType<Double>

Parameters:

obj - The value.

Returns:

The string representation of the value.

needsQuotes

public boolean needsQuotes()

Description copied from class: AbstractJdbcType

Gets whether the values of this type require quotes.

Specified by:

needsQuotes in class AbstractJdbcType<Double>

Returns:

true if the values need to be surrounded by quotes, false otherwise.

getType

public Class<Double> getType()

Description copied from class: AbstractJdbcType

Gets the Java type corresponding to this type.

Specified by:

getType in class AbstractJdbcType<Double>

Returns:

The Java type corresponding to this type.

getJdbcType

public int getJdbcType()

Description copied from class: AbstractJdbcType

Gets the JDBC type constant.

Specified by:

getJdbcType in class AbstractJdbcType<Double>

Returns:

The JDBC type constant.

See Also:

Types

compose

public Double compose(Object value)

Description copied from class: AbstractJdbcType

Transforms the given object to an instance of the Java type corresponding to this type.

Specified by:

compose in class AbstractJdbcType<Double>

Parameters:

value - The object.

Returns:

An instance of T.

decompose

public Object decompose(Double value)

Description copied from class: AbstractJdbcType

Transforms the given instance of the Java type corresponding to this type to a generic object.

Specified by:

decompose in class AbstractJdbcType<Double>

Parameters:

value - The value.

Returns:

The transformed object.