JDBCPreloadByPrimaryKeyCommand (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 JDBCPreloadByPrimaryKeyCommand

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.JDBCPreloadFinderCommand
                  org.jboss.ejb.plugins.jaws.jdbc.JDBCPreloadByPrimaryKeyCommand

All Implemented Interfaces:: JPMFindEntitiesCommand

public class JDBCPreloadByPrimaryKeyCommand
extends JDBCPreloadFinderCommand

JDBCPreloadByPrimaryKey This finder be called on when read-ahead is turned on and findByPrimaryKey is called. It will read-ahead instead of just the old exists logic.

Version:: $Revision: 1.3 $
Author:: Bill Burke
See Also:

Field Summary

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

finderDelegate, loadCommand

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

JDBCPreloadByPrimaryKeyCommand(JDBCCommandFactory factory)

Method Summary

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

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

buildSQL, createKey, getFromClause, getOrderByClause, getWhereClause, handleResult, preloadOneEntity

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

execute, getFinderMetaData

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

JDBCPreloadByPrimaryKeyCommand

public JDBCPreloadByPrimaryKeyCommand(JDBCCommandFactory factory)

Method Detail

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 JDBCPreloadFinderCommand

Throws:: Exception