public class EmbeddedDataSource40
extends org.apache.derby.jdbc.EmbeddedDataSource
implements javax.sql.DataSource
Use BasicEmbeddedDataSource40 if your application runs on Java 8 Compact Profile 2.
Use EmbeddedDataSource if your application runs on the following platforms:
EmbeddedDataSource40 is a DataSource implementation.
A DataSource is a factory for Connection objects. An object that implements the DataSource interface will typically be registered with a JNDI service provider.
The following is a list of properties that can be set on a Derby DataSource object:
Standard DataSource properties (from JDBC 3.0 specification).
databaseName
(String): Mandatory
setDatabaseName("g:/db/wombat")
on the data source object.dataSourceName
(String): Optional
description
(String): Optional
password
(String): Optional
DataSource.getConnection()
,
ConnectionPoolDataSource.getPooledConnection()
and XADataSource.getXAConnection()
methods.
user
(String): Optional
DataSource.getConnection()
,
ConnectionPoolDataSource.getPooledConnection()
and XADataSource.getXAConnection()
methods.
attributesAsPassword
(Boolean): Optional
DataSource.getConnection(String user, String password)
,
ConnectionPoolDataSource.getPooledConnection(String user, String password)
or XADataSource.getXAConnection(String user, String password)
as a set
of connection attributes. The format of the attributes is the same as the format
of the attributes in the property connectionAttributes. If false the password value
is treated normally as the password for the given user.
Setting this property to true allows a connection request from an application to
provide more authentication information that just a password, for example the request
can include the user's password and an encrypted database's boot password.connectionAttributes
(String): Optional
attribute=value
, each separated by semi-colon (';').
E.g. setConnectionAttributes("bootPassword=erd3234dggd3kazkj3000");
.
databaseName
and not by setting the databaseName
connection attribute in the connectionAttributes
property.
createDatabase
(String): Optional
databaseName
if that database does not already
exist. The database is created when a connection object is obtained from
the data source. shutdownDatabase
(String): Optional
Examples.
This is an example of setting a property directly using Derby's EmbeddedDataSource40 object. This code is typically written by a system integrator :
import org.apache.derby.jdbc.*; // dbname is the database name // if create is true, create the database if necessary javax.sql.DataSource makeDataSource (String dbname, boolean create) throws Throwable { EmbeddedDataSource40 ds = new EmbeddedDataSource40(); ds.setDatabaseName(dbname); if (create) ds.setCreateDatabase("create"); return ds; }
Example of setting properties thru reflection. This code is typically generated by tools or written by a system integrator:
javax.sql.DataSource makeDataSource(String dbname) throws Throwable { Class[] parameter = new Class[1]; parameter[0] = dbname.getClass(); DataSource ds = new EmbeddedDataSource40(); Class cl = ds.getClass(); Method setName = cl.getMethod("setDatabaseName", parameter); Object[] arg = new Object[1]; arg[0] = dbname; setName.invoke(ds, arg); return ds; }
Example on how to register a data source object with a JNDI naming service.
DataSource ds = makeDataSource("mydb"); Context ctx = new InitialContext(); ctx.bind("jdbc/MyDB", ds);
Example on how to retrieve a data source object from a JNDI naming service.
Context ctx = new InitialContext(); DataSource ds = (DataSource)ctx.lookup("jdbc/MyDB");
Constructor and Description |
---|
EmbeddedDataSource40() |
Modifier and Type | Method and Description |
---|---|
java.util.logging.Logger |
getParentLogger() |
equals, getAttributesAsPassword, getConnection, getConnection, getConnectionAttributes, getCreateDatabase, getDatabaseName, getDataSourceName, getDescription, getLoginTimeout, getLogWriter, getPassword, getShortDatabaseName, getShutdownDatabase, getUser, isWrapperFor, setAttributesAsPassword, setConnectionAttributes, setCreateDatabase, setDatabaseName, setDataSourceName, setDescription, setLoginTimeout, setLogWriter, setPassword, setShutdownDatabase, setupResourceAdapter, setUser, unwrap, update
clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Apache Derby 10.10 API Documentation - Copyright © 2004,2014 The Apache Software Foundation. All Rights Reserved.