org.apache.cayenne.dbsync.reverse.dbimport

Class DefaultDbImportAction

java.lang.Object

org.apache.cayenne.dbsync.reverse.dbimport.DefaultDbImportAction

All Implemented Interfaces:

DbImportAction

public class DefaultDbImportAction
extends Object
implements DbImportAction

A default implementation of DbImportAction that can load DB schema and merge it to a new or an existing DataMap.

Since:

4.0

Field Summary

Fields

Modifier and Type	Field and Description
protected org.slf4j.Logger	logger

Constructor Summary

Constructors

Constructor and Description
DefaultDbImportAction(org.slf4j.Logger logger, ProjectSaver projectSaver, DataSourceFactory dataSourceFactory, DbAdapterFactory adapterFactory, DataMapLoader mapLoader, MergerTokenFactoryProvider mergerTokenFactoryProvider, DataChannelDescriptorLoader dataChannelDescriptorLoader, DataChannelMetaData metaData)

Method Summary

Modifier and Type	Method and Description
protected void	addMessageToLogs(String message, List<String> messages)
protected boolean	checkIncludedProcedures(DataMap loadedDataMap, FiltersConfig filters)
protected void	commit(DbImportConfiguration config, DataMap sourceDataMap)
protected DbAdapter	createAdapter(DataNodeDescriptor dataNodeDescriptor, DataSource dataSource)
protected DbLoader	createDbLoader(DbAdapter adapter, Connection connection, DbImportConfiguration config)
void	execute(DbImportConfiguration config)
protected DataMap	existingTargetMap(DbImportConfiguration configuration)
static void	flattenManyToManyRelationships(DataMap map, Collection<ObjEntity> loadedObjEntities, ObjectNameGenerator objectNameGenerator) Flattens many-to-many relationships in the generated model.
protected String	getProjectNameFromFileName(String fileName)
protected boolean	hasChangesForProcedure(Procedure procedure)
boolean	hasTokensToImport(Collection<MergerToken> tokens)
protected DataMap	load(DbImportConfiguration config, DbAdapter adapter, Connection connection)
protected DataMap	loadDataMap(DbImportConfiguration config)
protected Collection<MergerToken>	log(List<MergerToken> tokens)
protected void	logMessages(List<String> messages)
protected DataMap	newTargetDataMap(DbImportConfiguration config)
protected void	saveLoaded(DataMap dataMap, DbImportConfiguration config) Save imported data.
protected static List<MergerToken>	sort(List<MergerToken> reverse)
protected void	syncProcedures(DataMap targetDataMap, DataMap loadedDataMap, FiltersConfig filters)
protected void	transformSourceBeforeMerge(DataMap sourceDataMap, DataMap targetDataMap, DbImportConfiguration configuration)

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected final org.slf4j.Logger logger

Constructor Detail

DefaultDbImportAction

public DefaultDbImportAction(org.slf4j.Logger logger,
                             ProjectSaver projectSaver,
                             DataSourceFactory dataSourceFactory,
                             DbAdapterFactory adapterFactory,
                             DataMapLoader mapLoader,
                             MergerTokenFactoryProvider mergerTokenFactoryProvider,
                             DataChannelDescriptorLoader dataChannelDescriptorLoader,
                             DataChannelMetaData metaData)

Method Detail

sort

protected static List<MergerToken> sort(List<MergerToken> reverse)

flattenManyToManyRelationships

public static void flattenManyToManyRelationships(DataMap map,
                                                  Collection<ObjEntity> loadedObjEntities,
                                                  ObjectNameGenerator objectNameGenerator)

Flattens many-to-many relationships in the generated model.

execute

public void execute(DbImportConfiguration config)
             throws Exception

Specified by:

execute in interface DbImportAction

Throws:

Exception

createAdapter

protected DbAdapter createAdapter(DataNodeDescriptor dataNodeDescriptor,
                                  DataSource dataSource)
                           throws Exception

Throws:

Exception

commit

protected void commit(DbImportConfiguration config,
                      DataMap sourceDataMap)
               throws Exception

Throws:

Exception

loadDataMap

protected DataMap loadDataMap(DbImportConfiguration config)
                       throws Exception

Throws:

Exception

transformSourceBeforeMerge

protected void transformSourceBeforeMerge(DataMap sourceDataMap,
                                          DataMap targetDataMap,
                                          DbImportConfiguration configuration)

hasTokensToImport

public boolean hasTokensToImport(Collection<MergerToken> tokens)

hasChangesForProcedure

protected boolean hasChangesForProcedure(Procedure procedure)

checkIncludedProcedures

protected boolean checkIncludedProcedures(DataMap loadedDataMap,
                                          FiltersConfig filters)

log

protected Collection<MergerToken> log(List<MergerToken> tokens)

existingTargetMap

protected DataMap existingTargetMap(DbImportConfiguration configuration)
                             throws IOException

Throws:

IOException

newTargetDataMap

protected DataMap newTargetDataMap(DbImportConfiguration config)
                            throws IOException

Throws:

IOException

addMessageToLogs

protected void addMessageToLogs(String message,
                                List<String> messages)

logMessages

protected void logMessages(List<String> messages)

syncProcedures

protected void syncProcedures(DataMap targetDataMap,
                              DataMap loadedDataMap,
                              FiltersConfig filters)

saveLoaded

protected void saveLoaded(DataMap dataMap,
                          DbImportConfiguration config)
                   throws MalformedURLException

Save imported data. This can create DataMap and/or Project files.

Throws:

MalformedURLException

getProjectNameFromFileName

protected String getProjectNameFromFileName(String fileName)

load

protected DataMap load(DbImportConfiguration config,
                       DbAdapter adapter,
                       Connection connection)
                throws Exception

Throws:

Exception

createDbLoader

protected DbLoader createDbLoader(DbAdapter adapter,
                                  Connection connection,
                                  DbImportConfiguration config)