Top Description Fields Constructors Methods
org.apache.derby.iapi.jdbc

public final Class DRDAServerStarter

extends Object
implements ModuleControl, Runnable
Class Inheritance
All Implemented Interfaces
java.lang.Runnable, org.apache.derby.iapi.services.monitor.ModuleControl
Imports
org.apache.derby.shared.common.sanity.SanityManager, org.apache.derby.iapi.services.monitor.Monitor, .ModuleControl, .ModuleFactory, org.apache.derby.shared.common.reference.MessageId, .Property, java.io.PrintWriter, java.lang.Runnable, .Thread, java.lang.reflect.Constructor, .Method, .InvocationTargetException, java.net.InetAddress

Class that starts the network server in its own daemon thread. Works in two situations.
As a module in the engine's Monitor, booted if the property derby.drda.startNetworkServer is set to true. In this case the boot and shutdown is through the standard ModuleControl methods.
Direct calls from the NetworkServerControlImpl start methods. This is to centralize the creation of the daemon thread in this class in the engine code, since the Monitor provides the thread. This means that NetworkServerControlImpl calls this class to create a thread which in turn calls back to NetworkServerControlImpl.runServer to start the server.
See Also
ModuleControl#boot, ModuleControl#stop

Field Summary

Modifier and TypeField and Description
private PrintWriter
private InetAddress
private String
private int
private Method
runServerMethod

Reflect reference to the method to run the server.

private Object
server

The instance of the NetworkServerControlImpl being used to run the server.

private Class<?>
private static final String
private Method
serverShutdownMethod

Reflect reference to the method to directly shutdown the server.

private Thread
private String

Constructor Summary

AccessConstructor and Description
public

Method Summary

Modifier and TypeMethod and Description
public void
boot(boolean
True if the database should be created
create
,
Properties
Configuration properties
properties
)

Implements org.apache.derby.iapi.services.monitor.ModuleControl.boot.

Boot this module with the given properties.

private void
findStartStopMethods(final Class<?> serverClass)

Find the methods to start and shutdown the server.

private static ModuleFactory
getMonitor()

Must be private so that user code can't call this entry point.

public void
run()

Implements java.lang.Runnable.run.

Runs this operation.

public void
setStartInfo(InetAddress
InetAddress to listen on
listenAddress
,
int
portNumber to listen on
portNumber
,
String
the user name for actions requiring authorization
userName
,
String
the password for actions requiring authorization
password
,
PrintWriter
the diagnostic log writer
consoleWriter
)

Sets configuration information for the network server to be started.

public void
setStartInfo(InetAddress listenAddress, int portNumber, PrintWriter consoleWriter)

public void
Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Field Detail

consoleWriterback to summary
private PrintWriter consoleWriter
listenAddressback to summary
private InetAddress listenAddress
passwordArgback to summary
private String passwordArg
portNumberback to summary
private int portNumber
runServerMethodback to summary
private Method runServerMethod

Reflect reference to the method to run the server. NetworkServerControlImpl.blockingStart

serverback to summary
private Object server

The instance of the NetworkServerControlImpl being used to run the server.

serverClassback to summary
private Class<?> serverClass
serverClassNameback to summary
private static final String serverClassName
serverShutdownMethodback to summary
private Method serverShutdownMethod

Reflect reference to the method to directly shutdown the server. NetworkServerControlImpl.directShutdown

serverThreadback to summary
private Thread serverThread
userArgback to summary
private String userArg

Constructor Detail

DRDAServerStarterback to summary
public DRDAServerStarter()

Method Detail

bootback to summary
public void boot(boolean create, Properties properties)

Implements org.apache.derby.iapi.services.monitor.ModuleControl.boot.

Doc from org.apache.derby.iapi.services.monitor.ModuleControl.boot.

Boot this module with the given properties. Creates a module instance that can be found using the findModule() methods of Monitor. The module can only be found using one of these findModule() methods once this method has returned.

An implementation's boot method can throw StandardException. If it is thrown the module is not registered by the monitor and therefore cannot be found through a findModule(). In this case the module's stop() method is not called, thus throwing this exception must free up any resources.

When create is true the contents of the properties object will be written to the service.properties of the persistent service. Thus any code that requires an entry in service.properties must explicitly place the value in this properties set using the put method.
Typically the properties object contains one or more default properties sets, which are not written out to service.properties. These default sets are how callers modify the create process. In a JDBC connection database create the first set of defaults is a properties object that contains the attributes that were set on the jdbc:derby: URL. This attributes properties set has the second default properties set as its default. This set (which could be null) contains the properties that the user set on their DriverManager.getConnection() call, and are thus not owned by Derby code, and thus must not be modified by Derby code.

When create is false the properties object contains all the properties set in the service.properties file plus a limited number of attributes from the JDBC URL attributes or connection properties set. This avoids properties set by the user compromising the boot process. An example of a property passed in from the JDBC world is the bootPassword for encrypted databases.

Code should not hold onto the passed in properties reference after boot time as its contents may change underneath it. At least after the complete boot is completed, the links to all the default sets will be removed.

Parameters
create:boolean

True if the database should be created

properties:Properties

Configuration properties

findStartStopMethodsback to summary
private void findStartStopMethods(final Class<?> serverClass) throws NoSuchMethodException

Find the methods to start and shutdown the server. Perfomed through reflection so that the engine code is not dependent on the network server code.

getMonitorback to summary
private static ModuleFactory getMonitor()

Must be private so that user code can't call this entry point.

runback to summary
public void run()

Implements java.lang.Runnable.run.

Doc from java.lang.Runnable.run.

Runs this operation.

setStartInfoback to summary
public void setStartInfo(InetAddress listenAddress, int portNumber, String userName, String password, PrintWriter consoleWriter)

Sets configuration information for the network server to be started.

Parameters
listenAddress:InetAddress

InetAddress to listen on

portNumber:int

portNumber to listen on

userName:String

the user name for actions requiring authorization

password:String

the password for actions requiring authorization

consoleWriter:PrintWriter

the diagnostic log writer

setStartInfoback to summary
public void setStartInfo(InetAddress listenAddress, int portNumber, PrintWriter consoleWriter)
stopback to summary
public void stop()

Implements org.apache.derby.iapi.services.monitor.ModuleControl.stop.

Doc from org.apache.derby.iapi.services.monitor.ModuleControl.stop.

Stop the module. The module may be found via a findModule() method until some time after this method returns. Therefore the factory must be prepared to reject requests to it once it has been stopped. In addition other modules may cache a reference to the module and make requests of it after it has been stopped, these requests should be rejected as well.