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JDBCDefinedFinderCommand (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 JDBCDefinedFinderCommand

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.JDBCDefinedFinderCommand

All Implemented Interfaces:

JPMFindEntitiesCommand

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public class JDBCDefinedFinderCommand

extends JDBCFinderCommand

JAWSPersistenceManager JDBCDefinedFinderCommand

Version:

$Revision: 1.21.4.1 $

Revisions:

20010621 Bill Burke:

• exposed parameterArray through get method.

20010812 vincent.harcq@hubmethods.com:

• Get Rid of debug flag, use log4j instead

Author:

Rickard 脰berg, Marc Fleury, Joe Shevland, Justin Forder, Michel de Groot, Vinay Menon, danch (Dan Christopherson), Bill Burke, Lennart Petersson

See Also:

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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

JDBCDefinedFinderCommand(JDBCCommandFactory factory, FinderMetaData f)

 

Method Summary
protected  String[]	cleanOrderClause(String rawOrder)           helper method to clean the order clause into a list of table.field entries.
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.
int[]	getParameterArray()
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

JDBCDefinedFinderCommand

public JDBCDefinedFinderCommand(JDBCCommandFactory factory,
                                FinderMetaData f)

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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getParameterArray

public int[] getParameterArray()

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cleanOrderClause

protected String[] cleanOrderClause(String rawOrder)

helper method to clean the order clause into a list of table.field entries. This is used only to clean up the algorythm in the ctor.

Returns:

String array containing order fields stripped of 'ASC' or 'DESC' modifiers.

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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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