Package com.orientechnologies.orient.core.db

Class OSystemDatabase

java.lang.Object

com.orientechnologies.orient.core.db.OSystemDatabase

public class OSystemDatabase
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final String	SERVER_ID_PROPERTY
static final String	SERVER_INFO_CLASS
static final String	SYSTEM_DB_NAME

Constructor Summary

Constructors

Constructor	Description
OSystemDatabase(OrientDBInternal context)

Method Summary

Modifier and Type	Method	Description
void	createCluster(String className, String clusterName)	Adds the specified cluster to the class, if it doesn't already exist.
Object	execute(OCallable<Object,OResultSet> callback, String sql, Object... args)
void	executeInDBScope(OCallable<Void,ODatabaseSession> callback)
<T> T	executeWithDB(OCallable<T,ODatabaseSession> callback)
boolean	exists()
String	getServerId()
String	getSystemDatabaseName()
void	init()
ODatabaseDocumentInternal	openSystemDatabase()	Opens the System Database and returns an ODatabaseDocumentInternal object.
ODocument	save(ODocument document)
ODocument	save(ODocument document, String clusterName)

Methods inherited from class java.lang.Object

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

Field Details

SYSTEM_DB_NAME

public static final String SYSTEM_DB_NAME

See Also:

• Constant Field Values

SERVER_INFO_CLASS

public static final String SERVER_INFO_CLASS

See Also:

• Constant Field Values

SERVER_ID_PROPERTY

public static final String SERVER_ID_PROPERTY

See Also:

• Constant Field Values

Constructor Details

OSystemDatabase

public OSystemDatabase(OrientDBInternal context)

Method Details

getSystemDatabaseName

public String getSystemDatabaseName()

createCluster

public void createCluster(String className,
 String clusterName)

Adds the specified cluster to the class, if it doesn't already exist.

openSystemDatabase

public ODatabaseDocumentInternal openSystemDatabase()

Opens the System Database and returns an ODatabaseDocumentInternal object. The caller is responsible for retrieving any ThreadLocal-stored database before openSystemDatabase() is called and restoring it after the database is closed.

execute

public Object execute(OCallable<Object,OResultSet> callback,
 String sql,
 Object... args)

save

public ODocument save(ODocument document)

save

public ODocument save(ODocument document,
 String clusterName)

init

public void init()

executeInDBScope

public void executeInDBScope(OCallable<Void,ODatabaseSession> callback)

executeWithDB

public <T> T executeWithDB(OCallable<T,ODatabaseSession> callback)

exists

public boolean exists()

getServerId

public String getServerId()