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JDBCAbstractQueryCommand (JBoss Server API) - JBoss 4.0.1 sp1 server API Documentation 英文版文档

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org.jboss.ejb.plugins.cmp.jdbc
Class JDBCAbstractQueryCommand

java.lang.Object
  org.jboss.ejb.plugins.cmp.jdbc.JDBCAbstractQueryCommand

All Implemented Interfaces:

JDBCQueryCommand

Direct Known Subclasses:

JDBCDeclaredSQLQuery, JDBCDynamicQLQuery, JDBCEJBQLQuery, JDBCFindAllQuery, JDBCFindByPrimaryKeyQuery, JDBCFindByQuery, JDBCJBossQLQuery

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public abstract class JDBCAbstractQueryCommand

extends Object

implements JDBCQueryCommand

Abstract superclass of finder commands that return collections. Provides the handleResult() implementation that these all need.

Version:

$Revision: 1.26 $

Author:

Dain Sundstrom, Rickard 锟絙erg, Marc Fleury, Joe Shevland, Justin Forder, Alex Loubyansky

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Nested Class Summary
static class	JDBCAbstractQueryCommand.LeftJoinCMRNode

 

Field Summary
protected  org.jboss.logging.Logger	log

 

Constructor Summary

JDBCAbstractQueryCommand(JDBCStoreManager manager, JDBCQueryMetaData q)

 

Method Summary
static void	appendLeftJoinCMRColumnNames(List onFindCMRNodes, org.jboss.ejb.plugins.cmp.jdbc.AliasManager aliasManager, StringBuffer sb)
Collection	execute(Method finderMethod, Object[] args, EntityEnterpriseContext ctx, GenericEntityObjectFactory factory)
protected  Collection	execute(String sql, Object[] args, int offset, int limit, JDBCEntityBridge selectEntity, JDBCCMPFieldBridge selectField, SelectFunction selectFunction, JDBCStoreManager selectManager, boolean[] eagerLoadMask, List parameters, List onFindCMRList, JDBCQueryMetaData queryMetaData, GenericEntityObjectFactory factory, org.jboss.logging.Logger log)
protected  String	getEagerLoadGroup()
protected  boolean[]	getEagerLoadMask()
static List	getLeftJoinCMRNodes(JDBCEntityBridge entity, String path, Iterator leftJoinIter)
protected  org.jboss.logging.Logger	getLog()
protected  JDBCEntityBridge	getSelectEntity()
protected  JDBCCMPFieldBridge	getSelectField()
JDBCStoreManager	getSelectManager()
static void	leftJoinCMRNodes(String alias, List onFindCMRNodes, org.jboss.ejb.plugins.cmp.jdbc.AliasManager aliasManager, StringBuffer sb)
protected  String	parseParameters(String sql)           Replaces the parameters in the specifiec sql with question marks, and initializes the parameter setting code.
protected  void	setEagerLoadGroup(String eagerLoadGroup)
void	setLimitParam(int limitParam)
void	setLimitValue(int limitValue)
void	setOffsetParam(int offsetParam)
void	setOffsetValue(int offsetValue)
void	setOnFindCMRList(List onFindCMRList)
protected  void	setParameterList(List p)
protected  void	setSelectEntity(JDBCEntityBridge selectEntity)
protected  void	setSelectField(JDBCCMPFieldBridge selectField)
protected  void	setSelectFunction(SelectFunction func, JDBCStoreManager manager)
protected  void	setSQL(String sql)
protected static int	toInt(Object[] params, int paramNumber, int defaultValue)

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Field Detail

log

protected org.jboss.logging.Logger log

Constructor Detail

JDBCAbstractQueryCommand

public JDBCAbstractQueryCommand(JDBCStoreManager manager,
                                JDBCQueryMetaData q)

Method Detail

setOffsetValue

public void setOffsetValue(int offsetValue)

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setLimitValue

public void setLimitValue(int limitValue)

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setOffsetParam

public void setOffsetParam(int offsetParam)

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setLimitParam

public void setLimitParam(int limitParam)

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setOnFindCMRList

public void setOnFindCMRList(List onFindCMRList)

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getSelectManager

public JDBCStoreManager getSelectManager()

Specified by:

getSelectManager in interface JDBCQueryCommand

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execute

public Collection execute(Method finderMethod,
                          Object[] args,
                          EntityEnterpriseContext ctx,
                          GenericEntityObjectFactory factory)
                   throws javax.ejb.FinderException

Specified by:

execute in interface JDBCQueryCommand

Throws:

javax.ejb.FinderException

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toInt

protected static int toInt(Object[] params,
                           int paramNumber,
                           int defaultValue)

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execute

protected Collection execute(String sql,
                             Object[] args,
                             int offset,
                             int limit,
                             JDBCEntityBridge selectEntity,
                             JDBCCMPFieldBridge selectField,
                             SelectFunction selectFunction,
                             JDBCStoreManager selectManager,
                             boolean[] eagerLoadMask,
                             List parameters,
                             List onFindCMRList,
                             JDBCQueryMetaData queryMetaData,
                             GenericEntityObjectFactory factory,
                             org.jboss.logging.Logger log)
                      throws javax.ejb.FinderException

Throws:

javax.ejb.FinderException

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getLog

protected org.jboss.logging.Logger getLog()

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setSQL

protected void setSQL(String sql)

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setParameterList

protected void setParameterList(List p)

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getSelectEntity

protected JDBCEntityBridge getSelectEntity()

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setSelectEntity

protected void setSelectEntity(JDBCEntityBridge selectEntity)

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getSelectField

protected JDBCCMPFieldBridge getSelectField()

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setSelectField

protected void setSelectField(JDBCCMPFieldBridge selectField)

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setSelectFunction

protected void setSelectFunction(SelectFunction func,
                                 JDBCStoreManager manager)

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setEagerLoadGroup

protected void setEagerLoadGroup(String eagerLoadGroup)

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getEagerLoadGroup

protected String getEagerLoadGroup()

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getEagerLoadMask

protected boolean[] getEagerLoadMask()

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parseParameters

protected String parseParameters(String sql)
                          throws org.jboss.deployment.DeploymentException

Replaces the parameters in the specifiec sql with question marks, and initializes the parameter setting code. Parameters are encoded in curly brackets use a zero based index.

Parameters:

sql - the sql statement that is parsed for parameters

Returns:

the original sql statement with the parameters replaced with a question mark

Throws:

org.jboss.deployment.DeploymentException - if a error occures while parsing the sql

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getLeftJoinCMRNodes

public static List getLeftJoinCMRNodes(JDBCEntityBridge entity,
                                       String path,
                                       Iterator leftJoinIter)
                                throws org.jboss.deployment.DeploymentException

Throws:

org.jboss.deployment.DeploymentException

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leftJoinCMRNodes

public static final void leftJoinCMRNodes(String alias,
                                          List onFindCMRNodes,
                                          org.jboss.ejb.plugins.cmp.jdbc.AliasManager aliasManager,
                                          StringBuffer sb)

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appendLeftJoinCMRColumnNames

public static final void appendLeftJoinCMRColumnNames(List onFindCMRNodes,
                                                      org.jboss.ejb.plugins.cmp.jdbc.AliasManager aliasManager,
                                                      StringBuffer sb)

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