com.anylogic.engine.database.ModelDatabase

public class ModelDatabase
extends Object

This class represents the built-in AnyLogic Model Database. Almost all the methods of this class are internal. The database object may be accessed from getEngine().getModelDatabase() and may be used for import / export with external data sources.

Author:: AnyLogic North America, LLC https://anylogic.com

Nested Class Summary

Modifier and Type	Class	Description
`static class`	`ModelDatabase.DatabaseCacheKey`	This class is internal and shouldn't be called by user. it may be removed/renamed in future.

Field Summary

Modifier and Type	Field	Description
`static final String`	`AL_DB_OBJECTS`
`static final String`	`AL_OBJECT_NAME`
`static final String`	`AL_OBJECT_TYPE`
`static final String`	`AL_OBJECT_USAGE`
`static final String`	`AL_OBJECT_USAGE_LOG`
`static final String`	`AL_SELECTED_LOG_OBJECT_NAME`
`static final String`	`AL_SELECTED_LOG_OBJECT_TYPE`
`static final String`	`AL_SELECTED_LOG_OBJECTS`
`static final String`	`ANYLOGIC_IDENTIFIER_PREFIX`
`static final String`	`CURRENT_VERSION`
`static final String`	`DATABASE_DB_PATH`
`static final String`	`DATABASE_DIRECTORY`
`static final String`	`DROP_SQL_OBJECT`
`static final String`	`LOG_OBJECT_SUFFIX`
`static final String`	`PUBLIC_SCHEMA_NAME`
`static final String`	`SQL_FUNCTION`
`static final String`	`SQL_TABLE`
`static final String`	`SQL_VIEW`
`static final String`	`UNIQUE_AUTOINC_COLUMN_NAME`

Constructor Summary

Constructor	Description
`ModelDatabase(Engine engine, ModelProperties modelProperties, DatabaseLogProperties logProperties)`	This constructor is internal and shouldn't be called by user. it may be removed/renamed in future.

Method Summary

Modifier and Type	Method	Description
`static void`	`createLogSchema(Connection connection)`	This method is internal and shouldn't be called by user. it may be removed/renamed in future.
`static void`	`deleteExistingLogObjects(Connection connection)`	This method deletes all the model log data (if any were turned on) from the model database
`void`	`disconnect()`	This method is internal and shouldn't be called by user. it may be removed/renamed in future.
`ResultSet`	`execute(String sqlStatement)`	This method is internal and shouldn't be called by user. it may be removed/renamed in future.
`void`	`exportToExternalDB(String sourceTableName, Connection targetConnection, String targetTableName, boolean clearTargetTable, boolean autoCommit)`	Exports a single table data from this database to an external database.
`int`	`generateAgentElementId()`	This method returns id property of dynamically create model elements
`int`	`generateAgentId()`	Internal method, used to initialize `Agent.getId()` property
`int`	`getAgentTypeElementId(LoggingType loggingType, Agent agent, String elementName)`	This method is internal and shouldn't be called by user. it may be removed/renamed in future.
`int`	`getAgentTypeId(Agent agent)`	This method is internal and shouldn't be called by user. it may be removed/renamed in future.
`<T extends Enum<T> & IStatechartState<?, T>> int`	`getAgentTypeStateId(Agent agent, Statechart<T> statechart, T state)`	This method is internal and shouldn't be called by user. it may be removed/renamed in future.
`LRUCache<ModelDatabase.DatabaseCacheKey,Object>`	`getCache()`	This method is internal and shouldn't be called by user. it may be removed/renamed in future.
`<R> Object`	`getCachedValue(com.querydsl.sql.SQLBindings sqlBindings, String operation, Supplier<R> f)`	This method is internal and shouldn't be called by user. it may be removed/renamed in future.
`Connection`	`getConnection()`
`static String`	`getCreateTableSQL(String tableName, String tableContent, boolean cached)`	This method is internal and shouldn't be called by user. it may be removed/renamed in future.
`com.querydsl.sql.Configuration`	`getDSLConfiguration()`	This method is internal and shouldn't be called by user. it may be removed/renamed in future.
`int`	`getEventId(EventOriginator event)`	This method is internal and shouldn't be called by user. it may be removed/renamed in future.
`int`	`getStatechartId(Statechart<?> statechart)`	This method is internal and shouldn't be called by user. it may be removed/renamed in future.
`void`	`importFromExternalDB(Connection sourceConnection, String sourceTableName, String targetTableName, boolean clearTargetTable, boolean autoCommit)`	Imports a single table data from an external database.
`void`	`log(ILogEntry logEntry)`	This method is internal and shouldn't be called by user. it may be removed/renamed in future.
`void`	`resetBeforeStart()`	This method is internal and shouldn't be called by user. it may be removed/renamed in future.
`static void`	`restoreUsersViews(Connection connection)`	This method is internal and shouldn't be called by user. it may be removed/renamed in future.
`static void`	`restoreUsersViews(Connection connection, Collection<String> viewNames)`	This method is internal and shouldn't be called by user. it may be removed/renamed in future.
`ResultSet`	`select(String sqlQuery)`	This method is internal and shouldn't be called by user. it may be removed/renamed in future.
`ResultSet`	`selectFrom(String tableName)`	This method is internal and shouldn't be called by user. it may be removed/renamed in future.
`ResultSet`	`wrapResultSet(ResultSet results)`	This method is internal and shouldn't be called by user. it may be removed/renamed in future.

Methods inherited from class java.lang.Object

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

Field Details

CURRENT_VERSION

@AnyLogicInternalAPI
public static final String CURRENT_VERSION

See Also:: Constant Field Values

DATABASE_DIRECTORY

@AnyLogicInternalAPI
public static final String DATABASE_DIRECTORY

See Also:: Constant Field Values

DATABASE_DB_PATH

@AnyLogicInternalAPI
public static final String DATABASE_DB_PATH

PUBLIC_SCHEMA_NAME

@AnyLogicInternalAPI
public static final String PUBLIC_SCHEMA_NAME

See Also:: Constant Field Values

DROP_SQL_OBJECT

@AnyLogicInternalAPI
public static final String DROP_SQL_OBJECT

See Also:: Constant Field Values

LOG_OBJECT_SUFFIX

@AnyLogicInternalAPI
public static final String LOG_OBJECT_SUFFIX

See Also:: Constant Field Values

ANYLOGIC_IDENTIFIER_PREFIX

@AnyLogicInternalAPI
public static final String ANYLOGIC_IDENTIFIER_PREFIX

See Also:: Constant Field Values

UNIQUE_AUTOINC_COLUMN_NAME

@AnyLogicInternalAPI
public static final String UNIQUE_AUTOINC_COLUMN_NAME

See Also:: Constant Field Values

AL_SELECTED_LOG_OBJECTS

@AnyLogicInternalAPI
public static final String AL_SELECTED_LOG_OBJECTS

See Also:: Constant Field Values

AL_SELECTED_LOG_OBJECT_NAME

@AnyLogicInternalAPI
public static final String AL_SELECTED_LOG_OBJECT_NAME

See Also:: Constant Field Values

AL_SELECTED_LOG_OBJECT_TYPE

@AnyLogicInternalAPI
public static final String AL_SELECTED_LOG_OBJECT_TYPE

See Also:: Constant Field Values

SQL_TABLE

@AnyLogicInternalAPI
public static final String SQL_TABLE

See Also:: Constant Field Values

SQL_VIEW

@AnyLogicInternalAPI
public static final String SQL_VIEW

See Also:: Constant Field Values

SQL_FUNCTION

@AnyLogicInternalAPI
public static final String SQL_FUNCTION

See Also:: Constant Field Values

AL_DB_OBJECTS

@AnyLogicInternalAPI
public static final String AL_DB_OBJECTS

See Also:: Constant Field Values

AL_OBJECT_NAME

@AnyLogicInternalAPI
public static final String AL_OBJECT_NAME

See Also:: Constant Field Values

AL_OBJECT_TYPE

@AnyLogicInternalAPI
public static final String AL_OBJECT_TYPE

See Also:: Constant Field Values

AL_OBJECT_USAGE

@AnyLogicInternalAPI
public static final String AL_OBJECT_USAGE

See Also:: Constant Field Values

AL_OBJECT_USAGE_LOG

@AnyLogicInternalAPI
public static final String AL_OBJECT_USAGE_LOG

See Also:: Constant Field Values

Constructor Details

ModelDatabase

@AnyLogicInternalAPI
public ModelDatabase(Engine engine,
 ModelProperties modelProperties,
 DatabaseLogProperties logProperties)

This constructor is internal and shouldn't be called by user.
it may be removed/renamed in future.

Method Details

getCache

@AnyLogicInternalAPI
public LRUCache<ModelDatabase.DatabaseCacheKey,Object> getCache()

This method is internal and shouldn't be called by user.
it may be removed/renamed in future.

getCachedValue

@AnyLogicInternalAPI
public <R> Object getCachedValue(com.querydsl.sql.SQLBindings sqlBindings,
 String operation,
 Supplier<R> f)

This method is internal and shouldn't be called by user.
it may be removed/renamed in future.

createLogSchema

@AnyLogicInternalAPI
public static void createLogSchema(Connection connection)
                            throws SQLException

This method is internal and shouldn't be called by user.
it may be removed/renamed in future.

Throws:: SQLException

restoreUsersViews

@AnyLogicInternalAPI
public static void restoreUsersViews(Connection connection,
 Collection<String> viewNames)
                              throws SQLException

This method is internal and shouldn't be called by user.
it may be removed/renamed in future.

Throws:: SQLException

restoreUsersViews

@AnyLogicInternalAPI
public static void restoreUsersViews(Connection connection)
                              throws SQLException

This method is internal and shouldn't be called by user.
it may be removed/renamed in future.

Throws:: SQLException

deleteExistingLogObjects

public static void deleteExistingLogObjects(Connection connection)
                                     throws SQLException

This method deletes all the model log data (if any were turned on) from the model database

Parameters:: connection - database connection
Throws:: SQLException

getCreateTableSQL

@AnyLogicInternalAPI
public static String getCreateTableSQL(String tableName,
 String tableContent,
 boolean cached)

This method is internal and shouldn't be called by user.
it may be removed/renamed in future.

log

@AnyLogicInternalAPI
public void log(ILogEntry logEntry)

This method is internal and shouldn't be called by user.
it may be removed/renamed in future.

getAgentTypeId

@AnyLogicInternalAPI
public int getAgentTypeId(Agent agent)

This method is internal and shouldn't be called by user.
it may be removed/renamed in future.

generateAgentElementId

@AnyLogicInternalAPI
public int generateAgentElementId()

This method returns id property of dynamically create model elements

generateAgentId

@AnyLogicInternalAPI
public int generateAgentId()

Internal method, used to initialize Agent.getId() property

getEventId

@AnyLogicInternalAPI
public int getEventId(EventOriginator event)

This method is internal and shouldn't be called by user.
it may be removed/renamed in future.

getStatechartId

@AnyLogicInternalAPI
public int getStatechartId(Statechart<?> statechart)

This method is internal and shouldn't be called by user.
it may be removed/renamed in future.

getAgentTypeElementId

@AnyLogicInternalAPI
public int getAgentTypeElementId(LoggingType loggingType,
 Agent agent,
 String elementName)

This method is internal and shouldn't be called by user.
it may be removed/renamed in future.

getAgentTypeStateId

@AnyLogicInternalAPI
public <T extends Enum<T> & IStatechartState<?,
T>>
int getAgentTypeStateId(Agent agent,
 Statechart<T> statechart,
 T state)

This method is internal and shouldn't be called by user.
it may be removed/renamed in future.

getConnection

@AnyLogicInternalAPI
public Connection getConnection()

disconnect

@AnyLogicInternalAPI
public void disconnect()

This method is internal and shouldn't be called by user.
it may be removed/renamed in future.

resetBeforeStart

@AnyLogicInternalAPI
public void resetBeforeStart()
                      throws Exception

This method is internal and shouldn't be called by user.
it may be removed/renamed in future.

Throws:: Exception

getDSLConfiguration

@AnyLogicInternalAPI
public com.querydsl.sql.Configuration getDSLConfiguration()

This method is internal and shouldn't be called by user.
it may be removed/renamed in future.

select

@AnyLogicInternalAPI
public ResultSet select(String sqlQuery)

This method is internal and shouldn't be called by user.
it may be removed/renamed in future.

execute

@AnyLogicInternalAPI
public ResultSet execute(String sqlStatement)

This method is internal and shouldn't be called by user.
it may be removed/renamed in future.

selectFrom

@AnyLogicInternalAPI
public ResultSet selectFrom(String tableName)

This method is internal and shouldn't be called by user.
it may be removed/renamed in future.

importFromExternalDB

public void importFromExternalDB(Connection sourceConnection,
 String sourceTableName,
 String targetTableName,
 boolean clearTargetTable,
 boolean autoCommit)

Imports a single table data from an external database. Column types should match or be convertible.

Parameters:

sourceConnection - Connection object for external database to copy data from

sourceTableName - name of the table in external database to copy data from

targetTableName - table in this database where the data should be copied to

clearTargetTable - if true the target table will be cleared before data is copied

autoCommit - if this parameter is false, this action will not open or commit any transaction (which may decrease performance in some cases).
Usage example (performing multiple operations in a single transaction)

 ModelDatabase modelDB = getEngine().getModelDatabase();
 Connection targetConnection = modelDB.getConnection();
 targetConnection.setAutoCommit(false);
 try {
        modelDB.importFromExternalDB( ... , false);
        modelDB.importFromExternalDB( ... , false);
        modelDB.importFromExternalDB( ... , false);
        targetConnection.commit();
 } catch (Exception e) {
        targetConnection.rollback();
 } finally {
        targetConnection.setAutoCommit(true);
 }

exportToExternalDB

public void exportToExternalDB(String sourceTableName,
 Connection targetConnection,
 String targetTableName,
 boolean clearTargetTable,
 boolean autoCommit)

Exports a single table data from this database to an external database. Column types should match or be convertible.
When exporting to Database#getConnection(), depending on the external database implementation, the data may be actually saved when the model is stopped (when Engine will automatically call Database#disconnect() at the end). For custom experiment this requires calling engine.stop() at the end.

Parameters:

sourceTableName - table in this database to copy data from

targetConnection - Connection object for external database to copy data to

targetTableName - table in external database where the data should be copied to

clearTargetTable - if true the target table will be cleared before data is copied

autoCommit - if this parameter is false, this action will not open or commit any transaction (which may decrease performance in some cases).
Usage example (performing multiple operations in a single transaction)

 ModelDatabase modelDB = getEngine().getModelDatabase();
 Connection targetConnection = targetDB.getConnection();
 targetConnection.setAutoCommit(false);
 try {
        modelDB.exportToExternalDB( ... , false);
        modelDB.exportToExternalDB( ... , false);
        modelDB.exportToExternalDB( ... , false);
        targetConnection.commit();
 } catch (Exception e) {
        targetConnection.rollback();
 } finally {
        targetConnection.setAutoCommit(true);
 }

wrapResultSet

@AnyLogicInternalAPI
public ResultSet wrapResultSet(ResultSet results)

This method is internal and shouldn't be called by user.
it may be removed/renamed in future.

Class ModelDatabase

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Details

CURRENT_VERSION

DATABASE_DIRECTORY

DATABASE_DB_PATH

PUBLIC_SCHEMA_NAME

DROP_SQL_OBJECT

LOG_OBJECT_SUFFIX

ANYLOGIC_IDENTIFIER_PREFIX

UNIQUE_AUTOINC_COLUMN_NAME

AL_SELECTED_LOG_OBJECTS

AL_SELECTED_LOG_OBJECT_NAME

AL_SELECTED_LOG_OBJECT_TYPE

SQL_TABLE

SQL_VIEW

SQL_FUNCTION

AL_DB_OBJECTS

AL_OBJECT_NAME

AL_OBJECT_TYPE

AL_OBJECT_USAGE

AL_OBJECT_USAGE_LOG

Constructor Details

ModelDatabase

Method Details

getCache

getCachedValue

createLogSchema

restoreUsersViews

restoreUsersViews

deleteExistingLogObjects

getCreateTableSQL

log

getAgentTypeId

generateAgentElementId

generateAgentId

getEventId

getStatechartId

getAgentTypeElementId

getAgentTypeStateId

getConnection

disconnect

resetBeforeStart

getDSLConfiguration

select

execute

selectFrom

importFromExternalDB

exportToExternalDB

wrapResultSet