Class Type (6.74.1)

public final class Type implements Serializable

Describes a type in the Cloud Spanner type system. Types can either be primitive (for example, INT64 and STRING) or composite (for example, ARRAY<INT64> or STRUCT<INT64,STRING>).

Type instances are immutable.

Inheritance

Object > Type

Implements

Serializable

Static Methods

array(Type elementType)

public static Type array(Type elementType)

Returns a descriptor for an array of elementType.

Parameter
Name Description
elementType Type
Returns
Type Description
Type

bool()

public static Type bool()

Returns the descriptor for the BOOL type.

Returns
Type Description
Type

bytes()

public static Type bytes()

Returns the descriptor for the BYTES type: a variable-length byte string.

Returns
Type Description
Type

date()

public static Type date()

Returns the descriptor for the DATE type: a timezone independent date in the range [0001-01-01, 9999-12-31).

Returns
Type Description
Type

float32()

public static Type float32()

Returns the descriptor for the FLOAT32 type: a floating point type with the same value domain as a Java float.

Returns
Type Description
Type

float64()

public static Type float64()

Returns the descriptor for the FLOAT64 type: a floating point type with the same value domain as a Java double.

Returns
Type Description
Type

int64()

public static Type int64()

Returns the descriptor for the INT64 type: an integral type with the same value domain as a Java long.

Returns
Type Description
Type

json()

public static Type json()

Returns the descriptor for the JSON type.

Returns
Type Description
Type

numeric()

public static Type numeric()

Returns the descriptor for the NUMERIC type.

Returns
Type Description
Type

pgJsonb()

public static Type pgJsonb()

Returns the descriptor for the JSONB type.

Returns
Type Description
Type

pgNumeric()

public static Type pgNumeric()

Returns the descriptor for the NUMERIC type with the PG_NUMERIC type annotation.

Returns
Type Description
Type

pgOid()

public static Type pgOid()

Returns the descriptor for the PG_OID type.

Returns
Type Description
Type

proto(String protoTypeFqn)

public static Type proto(String protoTypeFqn)

To get the descriptor for the PROTO type.

Parameter
Name Description
protoTypeFqn String

Proto fully qualified name (ex: "examples.spanner.music.SingerInfo").

Returns
Type Description
Type

protoEnum(String protoTypeFqn)

public static Type protoEnum(String protoTypeFqn)

To get the descriptor for the ENUM type.

Parameter
Name Description
protoTypeFqn String

Proto ENUM fully qualified name (ex: "examples.spanner.music.Genre")

Returns
Type Description
Type

string()

public static Type string()

Returns the descriptor for the STRING type: a variable-length Unicode character string.

Returns
Type Description
Type

struct(Type.StructField[] fields)

public static Type struct(Type.StructField[] fields)

Returns a descriptor for a STRUCT type: an ordered collection of named and typed fields.

Parameter
Name Description
fields StructField[]
Returns
Type Description
Type

struct(Iterable<Type.StructField> fields)

public static Type struct(Iterable<Type.StructField> fields)

Returns a descriptor for a STRUCT type: an ordered collection of named and typed fields.

Parameter
Name Description
fields Iterable<StructField>
Returns
Type Description
Type

timestamp()

public static Type timestamp()

Returns the descriptor for the TIMESTAMP type: a nano precision timestamp in the range [0000-01-01 00:00:00, 9999-12-31 23:59:59.999999999 UTC].

Returns
Type Description
Type

Methods

equals(Object o)

public boolean equals(Object o)
Parameter
Name Description
o Object
Returns
Type Description
boolean
Overrides

getArrayElementType()

public Type getArrayElementType()

Returns the type descriptor for elements of this ARRAY type.

Returns
Type Description
Type

getCode()

public Type.Code getCode()

Returns the type code corresponding to this type.

Returns
Type Description
Type.Code

getFieldIndex(String fieldName)

public int getFieldIndex(String fieldName)

Returns the index of the field named fieldName in this STRUCT type.

Parameter
Name Description
fieldName String
Returns
Type Description
int

getProtoTypeFqn()

public String getProtoTypeFqn()

Returns the full package name for elements of this Proto or @code Enum type.

Returns
Type Description
String

getSpannerTypeName(Dialect dialect)

public String getSpannerTypeName(Dialect dialect)

Returns the type name as used by the database in the given dialect.

Parameter
Name Description
dialect Dialect
Returns
Type Description
String

getStructFields()

public List<Type.StructField> getStructFields()

Returns the fields of this STRUCT type.

Returns
Type Description
List<StructField>

an immutable list of the fields

hashCode()

public int hashCode()
Returns
Type Description
int
Overrides

toString()

public String toString()
Returns
Type Description
String
Overrides