Package org.apache.gravitino.rel.types

Class Types.MapType

java.lang.Object

org.apache.gravitino.rel.types.Type.ComplexType

org.apache.gravitino.rel.types.Types.MapType

All Implemented Interfaces:

Type

Enclosing class:

Types

public static class Types.MapType
extends Type.ComplexType

The map type in Gravitino.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.gravitino.rel.types.Type

Type.ComplexType, Type.DateTimeType, Type.FractionType, Type.IntegralType, Type.IntervalType, Type.Name, Type.NumericType, Type.PrimitiveType

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
int	hashCode()
Type	keyType()
Type.Name	name()
static Types.MapType	of(Type keyType, Type valueType, boolean valueNullable)	Create a new Types.MapType with the given key type, value type and whether the value is nullable
String	simpleString()
static Types.MapType	valueNotNull(Type keyType, Type valueType)	Create a new Types.MapType with the given key type, value type and the value is not nullable.
boolean	valueNullable()
static Types.MapType	valueNullable(Type keyType, Type valueType)	Create a new Types.MapType with the given key type, value type and the value is nullable.
Type	valueType()

Methods inherited from class java.lang.Object

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

Method Details

valueNullable

public static Types.MapType valueNullable(Type keyType,
 Type valueType)

Create a new Types.MapType with the given key type, value type and the value is nullable.

Parameters:

keyType - The key type of the map.

valueType - The value type of the map.

Returns:

A new Types.MapType instance.

valueNotNull

public static Types.MapType valueNotNull(Type keyType,
 Type valueType)

Create a new Types.MapType with the given key type, value type and the value is not nullable.

Parameters:

keyType - The key type of the map.

valueType - The value type of the map.

Returns:

A new Types.MapType instance.

of

public static Types.MapType of(Type keyType,
 Type valueType,
 boolean valueNullable)

Create a new Types.MapType with the given key type, value type and whether the value is nullable

Parameters:

keyType - The key type of the map.

valueType - The value type of the map.

valueNullable - Whether the value of the map is nullable.

Returns:

A new Types.MapType instance.

name

public Type.Name name()

Returns:

The generic name of the type.

keyType

public Type keyType()

Returns:

The key type of the map.

valueType

public Type valueType()

Returns:

The value type of the map.

valueNullable

public boolean valueNullable()

Returns:

Whether the value of the map is nullable.

simpleString

public String simpleString()

Returns:

A readable string representation for the type.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object