thinkui.datagen.io
Class DefaultDataObjectReader

java.lang.Object
  thinkui.db.io.AbstractDataObjectReader
      thinkui.datagen.io.DefaultDataObjectReader

All Implemented Interfaces:

DataObjectReader

public class DefaultDataObjectReader

extends AbstractDataObjectReader

Extends AbstractDataObjectReader to implement a DataObjectWriter for writing the generated data to the database.

Constructor Summary

DefaultDataObjectReader()
DefaultDataObjectReader constructor.

Method Summary

void	close() Closes the reader.
int	getCount()
thinkui.db.jdbc.JDBCDataObjectManager	getDataObjectManager()
int	getMaxObjectCount()
java.lang.String	getSQLQuery()
void	init() Initializes the reader.
int	readAll(java.util.EventListener eventHandler) Read all the data objects and notify the given event handler.
void	setDataObjectManager(thinkui.db.jdbc.JDBCDataObjectManager dataObjectManager) Sets the data object manager to use to write the data objects.
void	setMaxObjectCount(int maxObjectCount) Sets the maximum object count or use -1 to indicate no limit.
void	setSQLQuery(java.lang.String sqlQuery) Sets the SQL query.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultDataObjectReader

public DefaultDataObjectReader()

DefaultDataObjectReader constructor.

Method Detail

close

public void close()
           throws java.lang.Exception

Closes the reader.

Specified by:

close in interface DataObjectReader

Overrides:

close in class AbstractDataObjectReader

Throws:

java.lang.Exception

getCount

public final int getCount()

Returns:

the number of objects that has been read.

getDataObjectManager

public final thinkui.db.jdbc.JDBCDataObjectManager getDataObjectManager()

Returns:

the data object manager to use to write the data objects.

getMaxObjectCount

public final int getMaxObjectCount()

Returns:

the maximum object count or -1 (for no limit).

getSQLQuery

public final java.lang.String getSQLQuery()

Returns:

the SQL query or null.

init

public void init()
          throws java.lang.Exception

Initializes the reader.

Specified by:

init in interface DataObjectReader

Overrides:

init in class AbstractDataObjectReader

Throws:

java.lang.Exception

readAll

public int readAll(java.util.EventListener eventHandler)
            throws java.lang.Exception

Read all the data objects and notify the given event handler. This method should be use to ensure more efficient bulk processing.

Returns:

the number of objects that were read.

Throws:

java.lang.Exception

setDataObjectManager

public final void setDataObjectManager(thinkui.db.jdbc.JDBCDataObjectManager dataObjectManager)

Sets the data object manager to use to write the data objects.

setMaxObjectCount

public final void setMaxObjectCount(int maxObjectCount)

Sets the maximum object count or use -1 to indicate no limit. It is important to set a limit if there are a large number of records source data set since all the data will be loaded into memory.

setSQLQuery

public final void setSQLQuery(java.lang.String sqlQuery)

Sets the SQL query.