Class ModelCommitAssignment

java.lang.Object

io.fluxzero.common.modeling.ModelCommitAssignment

public final class ModelCommitAssignment
extends Object

Owns storage-neutral Model commit description, head assignment and accepted-result construction.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	ModelCommitAssignment.AliasCollisionException	Signals that one alias would identify two different models.
static final class	ModelCommitAssignment.Aliases	Final alias replacements and their requested owners in commit order.
static interface	ModelCommitAssignment.ChildLoader	Batch-loads current children for deleted parent IDs.
static final class	ModelCommitAssignment.Commit<H extends ModelCommitAssignment.Head>	One fully assigned commit.
static final record	ModelCommitAssignment.Description	Storage-neutral work known before assignment.
static interface	ModelCommitAssignment.Head	Store head values needed to assign the next transition.
static interface	ModelCommitAssignment.HeadConsumer<H extends ModelCommitAssignment.Head>	Receives assigned heads so a store can build only its own persistence representation.
static interface	ModelCommitAssignment.HeadFactory<H extends ModelCommitAssignment.Head>	Constructs a compact store-specific head from the values assigned by this owner.
static final record	ModelCommitAssignment.RelationshipChange	The desired parent set for one child after a relationship-changing target.
static final record	ModelCommitAssignment.RelationshipStep	Relationship changes and final parent deletions applied at one state index.
static final class	ModelCommitAssignment.Session<H extends ModelCommitAssignment.Head>	Mutable ordering state for one atomic assignment batch.

Method Summary

Modifier and Type	Method	Description
static ModelCommitAssignment.Description	describe(CommitModels source)	Describes target scope and optional work before positions are assigned.
static Long	eventIndex(ModelCommitStep step)	Returns the existing or newly assigned global event index carried by a commit step.
static <H extends ModelCommitAssignment.Head> ModelCommitAssignment.Session<H>	session(Function<String,H> currentHeads, ModelCommitAssignment.HeadFactory<H> headFactory, long firstStateIndex)	Starts an ordered assignment session in which later commits observe earlier assigned heads.
static void	validateRelationships(List<ModelCommitAssignment.Description> commits, ModelRelationshipCycleValidator.ParentLoader parentLoader, ModelCommitAssignment.ChildLoader childLoader)	Validates the ordered relationship effects described for one atomic assignment batch.

Methods inherited from class Object

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

Method Details

eventIndex

public static Long eventIndex(ModelCommitStep step)

Returns the existing or newly assigned global event index carried by a commit step.

describe

public static ModelCommitAssignment.Description describe(CommitModels source)

Describes target scope and optional work before positions are assigned.

validateRelationships

public static void validateRelationships(List<ModelCommitAssignment.Description> commits,
 ModelRelationshipCycleValidator.ParentLoader parentLoader,
 ModelCommitAssignment.ChildLoader childLoader)

Validates the ordered relationship effects described for one atomic assignment batch.

session

public static <H extends ModelCommitAssignment.Head>
ModelCommitAssignment.Session<H> session(Function<String,H> currentHeads,
 ModelCommitAssignment.HeadFactory<H> headFactory,
 long firstStateIndex)

Starts an ordered assignment session in which later commits observe earlier assigned heads.