JBoss API: Class JDBCBeanExistsCommand

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

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

public class JDBCBeanExistsCommand

extends JDBCQueryCommand

JDBCBeanExistsCommand

Version:

$Revision: 1.7.6.3 $

Author:

Marc Fleury, Justin Forder

See Also:

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

debug, factory, jawsEntity, log, name

Constructor Summary

JDBCBeanExistsCommand(JDBCCommandFactory factory)

Method Summary

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

JDBCBeanExistsCommand

public JDBCBeanExistsCommand(JDBCCommandFactory factory)

Method Detail

execute

public boolean execute(java.lang.Object id)
                throws javax.ejb.FinderException

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.