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
AFieldValue
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
All Methods Static Methods Instance Methods Concrete Methods 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 objectint
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
-
-
-
-
Method Detail
-
getType
public FieldValue.Type getType()
Description copied from class:FieldValue
Returns the type of the object- Specified by:
getType
in classFieldValue
- 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 classFieldValue
- 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 classFieldValue
- 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.
-
-