Package oracle.nosql.driver.values

Class NullValue

java.lang.Object

oracle.nosql.driver.values.FieldValue

oracle.nosql.driver.values.NullValue

All Implemented Interfaces:

Comparable<FieldValue>

public class NullValue
extends FieldValue

A FieldValue instance representing a null or missing value in a fully-typed schema. This type only exists in index keys on a fully-typed field and never inside indexed JSON.

Nested Class Summary

Nested classes/interfaces inherited from class oracle.nosql.driver.values.FieldValue

FieldValue.Type

Method Summary

Modifier and Type	Method	Description
int	compareTo(FieldValue other)
boolean	equals(Object other)
static NullValue	getInstance()	Returns an instance (singleton) of NullValue.
String	getString()	Returns a String value for the field.
FieldValue.Type	getType()	Returns the type of the object
int	hashCode()
String	toJson(JsonOptions options)	Returns a JSON representation of the value using the options, if specified.

Methods inherited from class oracle.nosql.driver.values.FieldValue

asArray, asBinary, asBoolean, asDouble, asInteger, asJsonNull, asLong, asMap, asNull, asNumber, asString, asTimestamp, castAsDouble, createFromJson, createFromJson, createFromJson, getBinary, getBoolean, getDouble, getInt, getLong, getNumber, getSerializedSize, getTimestamp, isAnyNull, isArray, isAtomic, isBinary, isBoolean, isDouble, isInteger, isJsonNull, isLong, isMap, isNull, isNumber, isNumeric, isString, isTimestamp, toJson, toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Method Detail

getType

public FieldValue.Type getType()

Description copied from class: FieldValue

Returns the type of the object

Specified by:

getType in class FieldValue

Returns:

the type

getInstance

public static NullValue getInstance()

Returns an instance (singleton) of NullValue.

Returns:

the value

compareTo

public int compareTo(FieldValue other)

getString

public String getString()

Description copied from class: FieldValue

Returns a String value for the field. The String value cannot be created for MapValue, ArrayValue and BinaryValue. String values that are coerced use Java rules for representation.

Overrides:

getString in class FieldValue

Returns:

a String value

toJson

public String toJson(JsonOptions options)

Description copied from class: FieldValue

Returns a JSON representation of the value using the options, if specified.

Overrides:

toJson in class FieldValue

Parameters:

options - configurable options used to affect the JSON output format of some data types. May be null.

Returns:

the JSON representation of this value.

equals

public boolean equals(Object other)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object