com.infoengine.connector
Class DataAccessObject

java.lang.Object
  com.infoengine.connector.DataAccessObject

Direct Known Subclasses:

ConnectorDAO, ConsoleDAO, RPCHelper

public class DataAccessObject

extends Object

Info*Engine data access object.
this object is a convenience for EJB developers.
Info*Engine can use exposed WSDL to generate Data Access Objects to be used in EJB development.

Field Summary

protected String	className
protected javax.resource.cci.Connection	cx
private Method	DESERIALIZE_METHOD
protected javax.resource.cci.RecordFactory	rf
private Method	SERIALIZE_METHOD

Constructor Summary

DataAccessObject(javax.resource.cci.Connection c, javax.resource.cci.RecordFactory r, String cls)
construct a new DataAccessObject that can execute methods on a SOAP class

Method Summary

void	close() Closes this Data Access Object.
protected Object	execute(String functionName, String[] parmNames, Object[] parmValues) execute a method on a SOAP class. the size of parmNames and parmValues must be equal.
protected void	setDeserializeMethod(Method m) Hook added to allow DCA to deserialize straight to I*E data structures for performance improvements.
protected void	setSerializeMethod(Method m) Hook added to allow DCA to serialize straight from I*E data structures for performance improvements.

Methods inherited from class java.lang.Object

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

Field Detail

cx

protected javax.resource.cci.Connection cx

rf

protected javax.resource.cci.RecordFactory rf

className

protected String className

SERIALIZE_METHOD

private Method SERIALIZE_METHOD

DESERIALIZE_METHOD

private Method DESERIALIZE_METHOD

Constructor Detail

DataAccessObject

public DataAccessObject(javax.resource.cci.Connection c,
                        javax.resource.cci.RecordFactory r,
                        String cls)

construct a new DataAccessObject that can execute methods on a SOAP class

Parameters:

c - the cci connection to use

r - the record factory to use when creating input records

cls - the SOAP class to use when executing methods

Method Detail

setSerializeMethod

protected void setSerializeMethod(Method m)

Hook added to allow DCA to serialize straight from I*E data structures for performance improvements.

package access so that extensions can manipulate.

Parameters:

m - The serialize method method must be static and accept the following args (String,Object,SOAPElement,SOAPMessage)

setDeserializeMethod

protected void setDeserializeMethod(Method m)

Hook added to allow DCA to deserialize straight to I*E data structures for performance improvements.

package access so that extensions can manipulate.

Parameters:

m - The deserialize method method must be static and accept SOAPMessage as single param

execute

protected Object execute(String functionName,
                         String[] parmNames,
                         Object[] parmValues)
                  throws Exception

execute a method on a SOAP class.
the size of parmNames and parmValues must be equal.

Parameters:

functionName - the function/method to execute

parmNames - the parameter names this method accepts

parmValues - the parameter values used to execute this method

Returns:

Object the result of the function/method execution.

Throws:

Exception

close

public void close()
           throws javax.resource.ResourceException

Closes this Data Access Object. The object should be discarded following a call to this method and not re-used.

Throws:

javax.resource.ResourceException