ADF Designtime

oracle.adf.dt.factories.ejb
Class EjbDataControlGenerator

java.lang.Object
  extended byoracle.jdevimpl.ejb.codegen.JavaClassGenerator
      extended byoracle.adf.dt.factories.ejb.EjbDataControlGenerator

public class EjbDataControlGenerator
extends oracle.jdevimpl.ejb.codegen.JavaClassGenerator

EjbDataControlGenerator builds a JavaBean to wrapper a Session EJB, exposing the EJB's Component interface, while implicitly creating Session bean instances to service requests. package mypackage1; import java.util.Hashtable; import javax.naming.Context; import javax.naming.InitialContext; import javax.rmi.PortableRemoteObject; import mypackage1.Sales; import mypackage1.SalesHome; import oracle.adf.model.generic.DCGenericDataControl; import oracle.adf.model.generic.ejb.EjbDataControl; /** * The client is expected to initialize a Hashtable with * the following properties and pass them to the * setEnvironment() method prior to performing any service * requests on the data control. * * final Hashtable env = new Hashtable(); * env.put(Context.INITIAL_CONTEXT_FACTORY, "com.evermind.server.rmi.RMIInitialContextFactory"); * env.put(Context.SECURITY_PRINCIPAL, "admin"); * env.put(Context.SECURITY_CREDENTIALS, "welcome"); * env.put(Context.PROVIDER_URL, "ormi://localhost/__ejbapp__"); *_/ public class SalesDataControl extends DCGenericDataControl implements EjbDataCotrol { private Hashtable _environment; private InitialContext _initialContext; private SalesHome _salesHome; private Sales _sales; public SalesDataControl() { super( "Sales" ); // !jwetherb REMOVEME temp hard-wired context init code _environment = new Hashtable(); _environment.put(Context.INITIAL_CONTEXT_FACTORY, "com.evermind.server.rmi.RMIInitialContextFactory"); _environment.put(Context.SECURITY_PRINCIPAL, "admin"); _environment.put(Context.SECURITY_CREDENTIALS, "welcome"); _environment.put(Context.PROVIDER_URL, "ormi://localhost/__ejbapp__"); } //-------------------------------------------------------------------------- // DataControl methods //-------------------------------------------------------------------------- public void setEnvironment( Hashtable environment ) { // !jwetherb REMOVEME _environment = environment; } //-------------------------------------------------------------------------- // Service methods //-------------------------------------------------------------------------- public String getSalesRep( String zipCode ) { return getSales().getSalesRep( zipCode ); } //-------------------------------------------------------------------------- // Private methods //-------------------------------------------------------------------------- private SalesHome getSalesHome() throws NamingException { if (_salesHome == null) { final Context context = getInitialContext(); try { _salesHome = (SalesHome)PortableRemoteObject.narrow(context.lookup("Sales"), SalesHome.class); } catch (NamingException e) { final NamingException ex = new NamingException( "A NamingException occurred when looking up EJB 'Sales' with Home interface 'model.SalesHome'. This may indicate that a 'jndi.properties' file was not present in the classpath, or that its data is invalid." ); ex.setRootCause( e ); throw ex; } } return _salesHome; } private Sales getSales() { if ( _sales == null ) { _sales = getSalesHome().create(); } return _sales; } private Context getInitialContext() { if ( _initialContext == null ) { _initialContext = new InitialContext(_environment); } return _initialContext; } }


Field Summary
static boolean DATA_CONTROL_MODE
           
static boolean INCLUDE_ENVIRONMENT
           
 
Fields inherited from class oracle.jdevimpl.ejb.codegen.JavaClassGenerator
_defaultConstructor, _jotClass, _jotFile, _jotManager, _mainMethod, _project, _sourceDirectoryURL, _url, exists, extendedName, extendedPackageName, extendedShortName, extendsClass, genDefaultConstructor, genHeaderComments, genMainMethod, isAbstract, isExtendedValid, isInterface, isPublic, isValid, JAVA_OBJECT, JAVA_OBJECT_PACKAGE, JAVA_OBJECT_SHORT_NAME, JAVA_SUFFIX, name, node, packageName, shortName
 
Constructor Summary
EjbDataControlGenerator(oracle.jdeveloper.ejb.EjbEngine ejbEngine)
           
 
Method Summary
protected  void code()
          Top-level codegen routine
 void generate()
           
 oracle.jdeveloper.model.JavaNode getBeanInfoNode()
           
 void setConnectionDescriptor(oracle.jdeveloper.cm.ConnectionDescriptor connDesc)
           
 void setJ2eeApplicationName(java.lang.String j2eeAppName)
           
protected  boolean validateExtended()
           
 
Methods inherited from class oracle.jdevimpl.ejb.codegen.JavaClassGenerator
addHeaderComments, addInterface, buildMethodSpec, commitFile, copyMethod, copyMethod, doesExist, doesSourceExist, generateId, generateMainMethod, getExtendedName, getFile, getGenDefaultConstructor, getGenHeaderComments, getGenMainMethod, getIsPublic, getJotClass, getJotManager, getMethodHash, getName, getNode, getPackageName, getShortName, getSourceDirectoryURL, getURL, isAbstract, isExtendedValid, isInterface, isSubclass, isValid, resetJOTPackages, setExtendedName, setGenDefaultConstructor, setGenHeaderComments, setGenMainMethod, setIsPublic, setName, setSourceDirectoryURL, throwsException, validate
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

DATA_CONTROL_MODE

public static final boolean DATA_CONTROL_MODE
See Also:
Constant Field Values

INCLUDE_ENVIRONMENT

public static final boolean INCLUDE_ENVIRONMENT
See Also:
Constant Field Values
Constructor Detail

EjbDataControlGenerator

public EjbDataControlGenerator(oracle.jdeveloper.ejb.EjbEngine ejbEngine)
Method Detail

generate

public void generate()

getBeanInfoNode

public oracle.jdeveloper.model.JavaNode getBeanInfoNode()

code

protected void code()
Top-level codegen routine


validateExtended

protected boolean validateExtended()

setJ2eeApplicationName

public void setJ2eeApplicationName(java.lang.String j2eeAppName)

setConnectionDescriptor

public void setConnectionDescriptor(oracle.jdeveloper.cm.ConnectionDescriptor connDesc)

ADF Designtime

 

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