Package ac.simons.neo4j.migrations.core

Interface ResourceBasedMigrationProvider

All Superinterfaces:

Ordered

All Known Implementing Classes:

CypherResourceBasedMigrationProvider, DefaultCatalogBasedMigrationProvider

public interface ResourceBasedMigrationProvider
extends Ordered

An interface defining a provider with a set of supported extension and a mapper from resource to Migration. The interface is ordered so that we can pick the accordingly when one provider maps to the same extension.

Since:

TBA

Author:

Michael J. Simons

Soundtrack

Fatoni - Andorra

Field Summary

Fields inherited from interface ac.simons.neo4j.migrations.core.Ordered

HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE

Method Summary

Modifier and Type	Method	Description
String	getExtension()
Migration	handle(ResourceContext ctx)	Handles the resource of the given context and produces a new migration.
static Collection<ResourceBasedMigrationProvider>	unique()

Methods inherited from interface ac.simons.neo4j.migrations.core.Ordered

getOrder

Method Details

unique

static Collection<ResourceBasedMigrationProvider> unique()

Returns:

a collection containing unique providers (only one for each extension)

getExtension

String getExtension()

Returns:

the file extension this resource based migration provider deals with

handle

Migration handle(ResourceContext ctx)

Handles the resource of the given context and produces a new migration.

Parameters:

ctx - The context containing the resource and other information

Returns:

The migration based on the resource.