Interface MutationOperation

All Known Subinterfaces:

JdbcMutationOperation, PreparableMutationOperation, SelfExecutingUpdateOperation

All Known Implementing Classes:

AbstractJdbcMutation, DeleteOrUpsertOperation, JdbcDeleteMutation, JdbcInsertMutation, JdbcUpdateMutation, MergeOperation, MySQLDeleteOrUpsertOperation, OptionalTableUpdateOperation, UpsertOperation

@Incubating
public interface MutationOperation

Mutation for a specific table as part of a logical mutation on the entity. Functional behavior is driven by the specific subtypes:

• PreparableMutationOperation
• SelfExecutingUpdateOperation

example #1 - delete simple entity (Person) (1) MutationOperation(DELETE, person) example #2 - delete entity (Person) w/ secondary *non-optional* table (1) MutationOperation(DELETE, person) (2) MutationOperation(DELETE, person_supp) example #3 - insert simple entity (Person) (1) MutationOperation(INSERT, person) example #4 - insert entity (Person) w/ secondary *non-optional* table & IDENTITY id column (1) MutationOperation(INSERT, person) (2) MutationOperation(INSERT, person_supp) example #6 - update/merge entity (Person) w/ secondary *optional* table (1) MutationOperation(UPDATE, person) (2) MutationOperation(UPDATE, person_supp) - upsert / delete account for batching example #1 - insert entity (Person) w/ secondary *optional* table (1) MutationOperation(INSERT, person) - batched, all (2) MutationOperation(INSERT, person_supp) - batched, conditional[1] example #2 - delete entity (Person) w/ secondary table (1) MutationOperation(DELETE, person) - batched, all (2) MutationOperation(DELETE, person_supp) - batched, all example #3 - update/merge entity (Person) w/ secondary *optional* table (1) MutationOperation(UPDATE, person) - batched (2) MutationOperation(UPDATE, person_supp) - non-batched [1] For insertions with optional secondary tables, if the values are all null for that table we do not want to perform the "add-to-batch" handling for that specific "row"

Method Summary

Modifier and Type	Method	Description
JdbcValueDescriptor	findValueDescriptor(String columnName, ParameterUsage usage)	Find the JDBC parameter to be used for the specified column.
default JdbcValueDescriptor	getJdbcValueDescriptor(String columnName, ParameterUsage usage)	Form of findValueDescriptor(String, ParameterUsage), throwing an exception if not found as opposed to simply returning null
MutationTarget<?>	getMutationTarget()	The thing being mutated
MutationType	getMutationType()	The type of operation (INSERT, etc)
TableMapping	getTableDetails()	The table against which operation is to be performed

Method Details

getMutationType

MutationType getMutationType()

The type of operation (INSERT, etc)

getMutationTarget

MutationTarget<?> getMutationTarget()

The thing being mutated

getTableDetails

TableMapping getTableDetails()

The table against which operation is to be performed

findValueDescriptor

JdbcValueDescriptor findValueDescriptor(String columnName,
 ParameterUsage usage)

Find the JDBC parameter to be used for the specified column.

Returns:

The descriptor, or null if none match.

See Also:

• getJdbcValueDescriptor(String, ParameterUsage)

getJdbcValueDescriptor

default JdbcValueDescriptor getJdbcValueDescriptor(String columnName,
 ParameterUsage usage)

Form of findValueDescriptor(String, ParameterUsage), throwing an exception if not found as opposed to simply returning null