Enum Class SchemaAutoUpdateCompatibilityStrategy
java.lang.Object
java.lang.Enum<SchemaAutoUpdateCompatibilityStrategy>
org.apache.pulsar.common.policies.data.SchemaAutoUpdateCompatibilityStrategy
- All Implemented Interfaces:
Serializable
,Comparable<SchemaAutoUpdateCompatibilityStrategy>
,Constable
public enum SchemaAutoUpdateCompatibilityStrategy
extends Enum<SchemaAutoUpdateCompatibilityStrategy>
Strategy to use when checking an auto-updated schema for compatibility to the current schema.
-
Nested Class Summary
Nested classes/interfaces inherited from class java.lang.Enum
Enum.EnumDesc<E extends Enum<E>>
-
Enum Constant Summary
Enum ConstantDescriptionAlways Compatible - The new schema will not be checked for compatibility against old schemas.Don't allow any auto updates.Messages written in the previous schema can be read by the new schema.Be similar to Backward.Messages written in the new schema can be read by the previous schema.Be similar to Forward, ForwardTransitive ensure new schema can be ready by all previous version schema.Backward and Forward.BackwardTransitive and ForwardTransitive. -
Method Summary
Modifier and TypeMethodDescriptionReturns the enum constant of this class with the specified name.values()
Returns an array containing the constants of this enum class, in the order they are declared.
-
Enum Constant Details
-
AutoUpdateDisabled
Don't allow any auto updates. -
Backward
Messages written in the previous schema can be read by the new schema. To be backward compatible, the new schema must not add any new fields that don't have default values. However, it may remove fields. -
Forward
Messages written in the new schema can be read by the previous schema. To be forward compatible, the new schema must not remove any fields which don't have default values in the previous schema. However, it may add new fields. -
Full
Backward and Forward. -
AlwaysCompatible
Always Compatible - The new schema will not be checked for compatibility against old schemas. In other words, new schemas will always be marked assumed compatible. -
BackwardTransitive
Be similar to Backward. BackwardTransitive ensure all previous version schema can be read by the new schema. -
ForwardTransitive
Be similar to Forward, ForwardTransitive ensure new schema can be ready by all previous version schema. -
FullTransitive
BackwardTransitive and ForwardTransitive.
-
-
Method Details
-
values
Returns an array containing the constants of this enum class, in the order they are declared.- Returns:
- an array containing the constants of this enum class, in the order they are declared
-
valueOf
Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)- Parameters:
name
- the name of the enum constant to be returned.- Returns:
- the enum constant with the specified name
- Throws:
IllegalArgumentException
- if this enum class has no constant with the specified nameNullPointerException
- if the argument is null
-