Package org.springframework.r2dbc.core

Class Parameter

java.lang.Object

org.springframework.r2dbc.core.Parameter

public final class Parameter
extends Object

A database value that can be set in a statement.

Since:

5.3

Author:

Mark Paluch, Juergen Hoeller

Method Summary

Modifier and Type	Method	Description
static Parameter	empty(Class<?> type)	Create a new empty Parameter for type.
boolean	equals(Object obj)
static Parameter	from(Object value)	Create a new Parameter from value.
static Parameter	fromOrEmpty(Object value, Class<?> type)	Create a new Parameter from value and type.
Class<?>	getType()	Return the column value type.
Object	getValue()	Return the column value (can be null).
int	hashCode()
boolean	hasValue()	Return whether this Parameter has a value.
boolean	isEmpty()	Return whether this Parameter has a empty.
String	toString()

Methods inherited from class java.lang.Object

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

Method Details

from

public static Parameter from(Object value)

Create a new Parameter from value.

Parameters:

value - the parameter value

Returns:

the Parameter value for value

fromOrEmpty

public static Parameter fromOrEmpty(@Nullable
 Object value,
 Class<?> type)

Create a new Parameter from value and type.

Parameters:

value - the parameter value (can be null)

type - the parameter type

Returns:

the Parameter value for value

empty

public static Parameter empty(Class<?> type)

Create a new empty Parameter for type.

Returns:

the empty Parameter value for type

getValue

@Nullable
public Object getValue()

Return the column value (can be null).

See Also:

• hasValue()

getType

public Class<?> getType()

Return the column value type. Must be also present if the value is null.

hasValue

public boolean hasValue()

Return whether this Parameter has a value.

Returns:

false if getValue() is null

isEmpty

public boolean isEmpty()

Return whether this Parameter has a empty.

Returns:

true if getValue() is null

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