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JBoss API: Class JDBCLoadEntityCommand

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org.jboss.ejb.plugins.jaws.jdbc
Class JDBCLoadEntityCommand

java.lang.Object
  |
  +--org.jboss.ejb.plugins.jaws.jdbc.JDBCCommand
        |
        +--org.jboss.ejb.plugins.jaws.jdbc.JDBCQueryCommand
              |
              +--org.jboss.ejb.plugins.jaws.jdbc.JDBCLoadEntityCommand

All Implemented Interfaces:: JPMLoadEntityCommand

Direct Known Subclasses:: JDBCLoadEntitiesCommand

public class JDBCLoadEntityCommand
extends JDBCQueryCommand
implements JPMLoadEntityCommand

JAWSPersistenceManager JDBCLoadEntityCommand

Version:: $Revision: 1.11.2.3 $
Author:: Rickard Öberg, Marc Fleury, Joe Shevland, Justin Forder, Dirk Zimmermann, danch (Dan Christopherson)
See Also:

Fields inherited from class org.jboss.ejb.plugins.jaws.jdbc.JDBCCommand

debug, factory, jawsEntity, log, name

Constructor Summary

JDBCLoadEntityCommand(JDBCCommandFactory factory)


Method Summary

protected java.lang.String createSelectClause()


void execute(EntityEnterpriseContext ctx)


protected java.lang.Object handleResult(java.sql.ResultSet rs, java.lang.Object argOrArgs)
          Handles the result of successful execution of the query.

protected boolean isTimedOut(EntityEnterpriseContext ctx)


protected void loadFromPreload(java.lang.Object[] data, EntityEnterpriseContext ctx)


protected void loadOneEntity(java.sql.ResultSet rs, EntityEnterpriseContext ctx)


protected void setParameters(java.sql.PreparedStatement stmt, java.lang.Object argOrArgs)
          Default implementation does nothing.

Methods inherited from class org.jboss.ejb.plugins.jaws.jdbc.JDBCQueryCommand

executeStatementAndHandleResult

Methods inherited from class org.jboss.ejb.plugins.jaws.jdbc.JDBCCommand

getCMPFieldValue, getConnection, getJawsCMPFieldJDBCType, getJDBCType, getJDBCTypeName, getPkColumnList, getPkColumnWhereList, getPkFieldValue, getResultObject, getResultObject, getSQL, getState, isBinaryType, jdbcExecute, setCMPFieldValue, setParameter, setPrimaryKeyParameters, setSQL

Methods inherited from class java.lang.Object

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

Constructor Detail

JDBCLoadEntityCommand

public JDBCLoadEntityCommand(JDBCCommandFactory factory)

Method Detail

createSelectClause

protected java.lang.String createSelectClause()

execute

public void execute(EntityEnterpriseContext ctx)
             throws java.rmi.RemoteException

Specified by:: execute in interface JPMLoadEntityCommand

setParameters

protected void setParameters(java.sql.PreparedStatement stmt,
                             java.lang.Object argOrArgs)
                      throws java.lang.Exception

Description copied from class: JDBCCommand

Default implementation does nothing. Override if parameters need to be set.

Overrides:: setParameters in class JDBCCommand

Following copied from class: org.jboss.ejb.plugins.jaws.jdbc.JDBCCommand

Parameters:: stmt - the PreparedStatement which will be executed by this Command.; argOrArgs - argument or array of arguments passed in from subclass execute method.
Throws:: java.lang.Exception - if parameter setting fails.

handleResult

protected java.lang.Object handleResult(java.sql.ResultSet rs,
                                        java.lang.Object argOrArgs)
                                 throws java.lang.Exception

Description copied from class: JDBCQueryCommand

Handles the result of successful execution of the query.

Overrides:: handleResult in class JDBCQueryCommand

Following copied from class: org.jboss.ejb.plugins.jaws.jdbc.JDBCQueryCommand

Parameters:: rs - the result set from the query.; argOrArgs - argument or array of arguments passed in from subclass execute method.
Returns:: any result produced by the handling of the result of executing the prepared statement.
Throws:: java.lang.Exception - if execution or result handling fails.

loadFromPreload

protected void loadFromPreload(java.lang.Object[] data,
                               EntityEnterpriseContext ctx)
                        throws java.lang.Exception

loadOneEntity

protected void loadOneEntity(java.sql.ResultSet rs,
                             EntityEnterpriseContext ctx)
                      throws java.lang.Exception

isTimedOut

protected boolean isTimedOut(EntityEnterpriseContext ctx)