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JDBCFindByCommand (JBoss Server API) - JBoss 3.2.7 server API Documentation 英文版文档

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

java.lang.Object
  org.jboss.ejb.plugins.jaws.jdbc.JDBCCommand
      org.jboss.ejb.plugins.jaws.jdbc.JDBCQueryCommand
          org.jboss.ejb.plugins.jaws.jdbc.JDBCFinderCommand
              org.jboss.ejb.plugins.jaws.jdbc.JDBCFindByCommand

All Implemented Interfaces:

JPMFindEntitiesCommand

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public class JDBCFindByCommand

extends JDBCFinderCommand

JAWSPersistenceManager JDBCFindByCommand

Version:

$Revision: 1.14.4.1 $

Author:

Rickard 脰berg, Marc Fleury, Joe Shevland, Justin Forder, Dan Christopherson, Torben J盲ger

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Field Summary

 

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

finderMetaData

 

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

factory, jawsEntity, name

 

Constructor Summary

JDBCFindByCommand(JDBCCommandFactory factory, Method finderMethod, FinderMetaData md)

 

Method Summary
String	getFromClause()           This method must be ovverridden to return the full table list for the query, including any join statements.
String	getOrderByClause()           This method must be ovverridded to return the full order by clause for the query, including the 'ORDER BY' keyword.
String	getWhereClause()           This method must be overridden to return the where clause used in this query.
protected  void	setParameters(PreparedStatement stmt, Object argOrArgs)           Default implementation does nothing.

 

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

execute, getFinderMetaData, handleResult

 

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, getName, 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

JDBCFindByCommand

public JDBCFindByCommand(JDBCCommandFactory factory,
                         Method finderMethod,
                         FinderMetaData md)
                  throws IllegalArgumentException

Method Detail

getWhereClause

public String getWhereClause()

Description copied from class: JDBCFinderCommand

This method must be overridden to return the where clause used in this query. This must start with the keyword 'WHERE' and include all conditions needed to execute the query properly.

Specified by:

getWhereClause in class JDBCFinderCommand

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getFromClause

public String getFromClause()

Description copied from class: JDBCFinderCommand

This method must be ovverridden to return the full table list for the query, including any join statements. This must start with the keyword 'FROM' and include all tables needed to execute the query properly.

Specified by:

getFromClause in class JDBCFinderCommand

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getOrderByClause

public String getOrderByClause()

Description copied from class: JDBCFinderCommand

This method must be ovverridded to return the full order by clause for the query, including the 'ORDER BY' keyword.

Specified by:

getOrderByClause in class JDBCFinderCommand

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setParameters

protected void setParameters(PreparedStatement stmt,
                             Object argOrArgs)
                      throws Exception

Description copied from class: JDBCCommand

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

Overrides:

setParameters in class 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:

Exception - if parameter setting fails.

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