systems.dmx.core.impl

Class MigrationManager

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java.lang.Object

systems.dmx.core.impl.MigrationManager

class MigrationManager
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private class	MigrationManager.MigrationInfo Collects the info required to run a migration.
private static class	MigrationManager.MigrationRunMode

Field Summary

Fields

Modifier and Type	Field and Description
private static String	CORE_MIGRATIONS_PACKAGE
private static int	CORE_MODEL_VERSION
private CoreServiceImpl	dmx
private Logger	logger
private ModelFactory	mf

Constructor Summary

Constructors

Constructor and Description
MigrationManager(CoreServiceImpl dmx)

Method Summary

Modifier and Type	Method and Description
private void	_runMigration(MigrationManager.MigrationInfo mi, boolean isCleanInstall) Runs a migration.
private void	createAssociations(org.codehaus.jettison.json.JSONArray assocs)
private void	createAssociationTypes(org.codehaus.jettison.json.JSONArray assocTypes)
private void	createTopics(org.codehaus.jettison.json.JSONArray topics)
private void	createTopicTypes(org.codehaus.jettison.json.JSONArray topicTypes)
private void	injectServices(Migration migration, String migrationInfo, PluginImpl plugin)
private void	readEntities(org.codehaus.jettison.json.JSONArray entities)
private void	readEntities(org.codehaus.jettison.json.JSONObject entities)
private void	readMigrationFile(InputStream in, String migrationFileName) Creates types and topics from a JSON formatted input stream.
(package private) void	runCoreMigrations(boolean isCleanInstall) Determines the core migrations to be run, and runs them.
private void	runMigration(int migrationNr, PluginImpl plugin, boolean isCleanInstall) Collects the info needed to run a migration, runs it, and then updates the version number in the DB.
(package private) void	runPluginMigrations(PluginImpl plugin, boolean isCleanInstall) Determines the migrations to be run for the specified plugin, and runs them.
private void	updateVersionNumber(MigrationManager.MigrationInfo mi)

Methods inherited from class java.lang.Object

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

Field Detail

CORE_MIGRATIONS_PACKAGE

private static final String CORE_MIGRATIONS_PACKAGE

See Also:

Constant Field Values

CORE_MODEL_VERSION

private static final int CORE_MODEL_VERSION

See Also:

Constant Field Values

dmx

private CoreServiceImpl dmx

mf

private ModelFactory mf

logger

private Logger logger

Constructor Detail

MigrationManager

MigrationManager(CoreServiceImpl dmx)

Method Detail

runPluginMigrations

void runPluginMigrations(PluginImpl plugin,
                         boolean isCleanInstall)

Determines the migrations to be run for the specified plugin, and runs them.

runCoreMigrations

void runCoreMigrations(boolean isCleanInstall)

Determines the core migrations to be run, and runs them.

runMigration

private void runMigration(int migrationNr,
                          PluginImpl plugin,
                          boolean isCleanInstall)

Collects the info needed to run a migration, runs it, and then updates the version number in the DB.

Parameters:

migrationNr - Number of the migration to run.

plugin - The plugin that provides the migration to run. null for a core migration.

isCleanInstall - true if the migration is run as part of a clean install, false if the migration is run as part of an update.

_runMigration

private void _runMigration(MigrationManager.MigrationInfo mi,
                           boolean isCleanInstall)
                    throws Exception

Runs a migration.

Throws:

Exception

updateVersionNumber

private void updateVersionNumber(MigrationManager.MigrationInfo mi)

injectServices

private void injectServices(Migration migration,
                            String migrationInfo,
                            PluginImpl plugin)

readMigrationFile

private void readMigrationFile(InputStream in,
                               String migrationFileName)

Creates types and topics from a JSON formatted input stream.

Parameters:

migrationFileName - The origin migration file. Used for logging only.

readEntities

private void readEntities(org.codehaus.jettison.json.JSONArray entities)
                   throws org.codehaus.jettison.json.JSONException

Throws:

org.codehaus.jettison.json.JSONException

readEntities

private void readEntities(org.codehaus.jettison.json.JSONObject entities)
                   throws org.codehaus.jettison.json.JSONException

Throws:

org.codehaus.jettison.json.JSONException

createTopicTypes

private void createTopicTypes(org.codehaus.jettison.json.JSONArray topicTypes)
                       throws org.codehaus.jettison.json.JSONException

Throws:

org.codehaus.jettison.json.JSONException

createAssociationTypes

private void createAssociationTypes(org.codehaus.jettison.json.JSONArray assocTypes)
                             throws org.codehaus.jettison.json.JSONException

Throws:

org.codehaus.jettison.json.JSONException

createTopics

private void createTopics(org.codehaus.jettison.json.JSONArray topics)
                   throws org.codehaus.jettison.json.JSONException

Throws:

org.codehaus.jettison.json.JSONException

createAssociations

private void createAssociations(org.codehaus.jettison.json.JSONArray assocs)
                         throws org.codehaus.jettison.json.JSONException

Throws:

org.codehaus.jettison.json.JSONException