org.apache.calcite.adapter.java

Annotation Type Map

@Target(value=FIELD)
 @Retention(value=RUNTIME)
public @interface Map

Annotation that indicates that a field is a map type.

Required Element Summary

Required Elements

Modifier and Type	Required Element and Description
Class<?>	key Key type.
Class<?>	value Value type.

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element and Description
boolean	keyIsNullable Whether keys may be null.
boolean	valueIsNullable Whether values may be null.

Element Detail

key

public abstract Class<?> key

Key type.

value

public abstract Class<?> value

Value type.

keyIsNullable

public abstract boolean keyIsNullable

Whether keys may be null.

Default:

true

valueIsNullable

public abstract boolean valueIsNullable

Whether values may be null.

Default:

true