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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.


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