org.apache.tuscany.das.rdb.impl
Class ReadCommandImpl

java.lang.Object
  org.apache.tuscany.das.rdb.impl.BaseCommandImpl
      org.apache.tuscany.das.rdb.impl.CommandImpl
          org.apache.tuscany.das.rdb.impl.ReadCommandImpl

All Implemented Interfaces:

Command

Direct Known Subclasses:

SPCommandImpl

public class ReadCommandImpl
extends CommandImpl

Field Summary

Fields inherited from class org.apache.tuscany.das.rdb.impl.CommandImpl

debug, parameters, resultSetShape, statement

Fields inherited from class org.apache.tuscany.das.rdb.impl.BaseCommandImpl

configWrapper

Fields inherited from interface org.apache.tuscany.das.rdb.Command

FACTORY

Constructor Summary

ReadCommandImpl(java.lang.String sqlString)

ReadCommandImpl(java.lang.String sqlString, Config mapping)

ReadCommandImpl(java.lang.String sqlString, Config mapping, java.sql.Connection connection)

Method Summary

protected commonj.sdo.DataObject	buildGraph(java.sql.ResultSet result)
protected void	enablePaging()
void	execute() Performs the function defined by the command
commonj.sdo.DataObject	executeQuery() Performs the function defined by the command and return the results in the root DataObject
protected int	getEndRow()
protected int	getStartRow()
void	setConnection(ConnectionProperties c)
void	setDataObjectModel(commonj.sdo.Type schema) Specifies an object model for a graph of DataObjects returned by #executeQuery()
protected void	setEndRow(int endRow)
protected void	setStartRow(int startRow)

Methods inherited from class org.apache.tuscany.das.rdb.impl.CommandImpl

addParameter, addParameter, addParameter, addParameter, addParameter, close, getConnection, getParameter, getParameter, getParameters, getParameterValue, getParameterValue, setConnection, setParameterType, setParameterType, setParameterValue, setParameterValue, setResultSetShape

Methods inherited from class org.apache.tuscany.das.rdb.impl.BaseCommandImpl

addCollisionColumn, addConverter, addGeneratedPrimaryKey, addPrimaryKey, addPrimaryKey, addRelationship, addRelationship, setConnection, setConnection

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.tuscany.das.rdb.Command

setConnection, setConnection

Constructor Detail

ReadCommandImpl

public ReadCommandImpl(java.lang.String sqlString)

ReadCommandImpl

public ReadCommandImpl(java.lang.String sqlString,
                       Config mapping)

ReadCommandImpl

public ReadCommandImpl(java.lang.String sqlString,
                       Config mapping,
                       java.sql.Connection connection)

Method Detail

execute

public void execute()

Description copied from interface: Command

Performs the function defined by the command

Specified by:

execute in interface Command

Specified by:

execute in class CommandImpl

executeQuery

public commonj.sdo.DataObject executeQuery()

Description copied from interface: Command

Performs the function defined by the command and return the results in the root DataObject

Specified by:

executeQuery in interface Command

Specified by:

executeQuery in class CommandImpl

Returns:

the root DataObject

buildGraph

protected commonj.sdo.DataObject buildGraph(java.sql.ResultSet result)
                                     throws java.sql.SQLException

Throws:

java.sql.SQLException

getStartRow

protected int getStartRow()

getEndRow

protected int getEndRow()

setStartRow

protected void setStartRow(int startRow)

setEndRow

protected void setEndRow(int endRow)

setConnection

public void setConnection(ConnectionProperties c)

setDataObjectModel

public void setDataObjectModel(commonj.sdo.Type schema)

Description copied from interface: Command

Specifies an object model for a graph of DataObjects returned by #executeQuery()

Parameters:

schema - the model as a commonj.sdo.Type

enablePaging

protected void enablePaging()