org.delia.db.schema

Class SchemaMigrator

java.lang.Object

org.delia.core.ServiceBase

org.delia.db.schema.SchemaMigrator

public class SchemaMigrator
extends ServiceBase

Field Summary

Fields

Modifier and Type	Field and Description
static String	SCHEMA_TABLE

Fields inherited from class org.delia.core.ServiceBase

et, factorySvc, log

Constructor Summary

Constructors

Constructor and Description
SchemaMigrator(FactoryService factorySvc, DBInterface dbInterface, DTypeRegistry registry, VarEvaluator varEvaluator)

Method Summary

Modifier and Type	Method and Description
String	calcDBFingerprint()
List<SchemaType>	calcDiff(List<SchemaType> list1, List<SchemaType> list2Param)
void	close()
boolean	createSchemaTableIfNeeded()
boolean	dbNeedsMigration()
MigrationPlan	generateMigrationPlan() dbNeedsMigration MUST have been called before this.
String	getCurrentFingerprint()
String	getDbFingerprint()
List<SchemaType>	parseFingerprint(String fingeprint)
boolean	performMigrations(boolean doLowRiskChecks) dbNeedsMigration MUST have been called before this.
boolean	performMigrations(List<SchemaType> diffL, boolean doLowRiskChecks)
MigrationPlan	runMigrationPlan(MigrationPlan plan) dbNeedsMigration MUST have been called before this.

Methods inherited from class java.lang.Object

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

Field Detail

SCHEMA_TABLE

public static final String SCHEMA_TABLE

See Also:

Constant Field Values

Constructor Detail

SchemaMigrator

public SchemaMigrator(FactoryService factorySvc,
                      DBInterface dbInterface,
                      DTypeRegistry registry,
                      VarEvaluator varEvaluator)

Method Detail

close

public void close()

createSchemaTableIfNeeded

public boolean createSchemaTableIfNeeded()

dbNeedsMigration

public boolean dbNeedsMigration()

performMigrations

public boolean performMigrations(boolean doLowRiskChecks)

dbNeedsMigration MUST have been called before this.

Parameters:

doLowRiskChecks - whether to do additional pre-migration checks

Returns:

true if successful

generateMigrationPlan

public MigrationPlan generateMigrationPlan()

dbNeedsMigration MUST have been called before this.

Returns:

migration plan

runMigrationPlan

public MigrationPlan runMigrationPlan(MigrationPlan plan)

dbNeedsMigration MUST have been called before this.

Parameters:

plan - migration plan

Returns:

migration plan

calcDBFingerprint

public String calcDBFingerprint()

parseFingerprint

public List<SchemaType> parseFingerprint(String fingeprint)

getCurrentFingerprint

public String getCurrentFingerprint()

getDbFingerprint

public String getDbFingerprint()

calcDiff

public List<SchemaType> calcDiff(List<SchemaType> list1,
                                 List<SchemaType> list2Param)

performMigrations

public boolean performMigrations(List<SchemaType> diffL,
                                 boolean doLowRiskChecks)