de.must.dataobj

Class DataObjectBuffer

java.lang.Object

de.must.dataobj.DataObjectBuffer

public class DataObjectBuffer
extends java.lang.Object

Buffer for a set of DataObject to be access abstractly. Only needed data objects are created and they are destroyed after an idle time as specified.

Constructor Summary

Constructors

Constructor and Description
DataObjectBuffer(EntityInfo[] entityInfos, java.sql.Connection connection, int keepingAliveSeconds, java.lang.String killthreadName, Callback killCallback) Construct a new buffer for a set of data objects to be accessed by table name.

Method Summary

Modifier and Type	Method and Description
DataObject	getDataObject(java.lang.String tableName) Returns a data object to access a table as specified.
IdentifyTemplate	getIdentifyTemplate(java.lang.String tableName) Returns a template to identify rows in the table as specified.

Methods inherited from class java.lang.Object

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

Constructor Detail

DataObjectBuffer

public DataObjectBuffer(EntityInfo[] entityInfos,
                        java.sql.Connection connection,
                        int keepingAliveSeconds,
                        java.lang.String killthreadName,
                        Callback killCallback)

Construct a new buffer for a set of data objects to be accessed by table name.

Parameters:

entityInfos - the table informations to build keys

connection - the database connection to use

keepingAliveSeconds - the amount of seconds the buffer should be kept

killthreadName - the name of the thread controlling clearance of the buffer

killCallback - a callback function when kill thread finished its work

Method Detail

getDataObject

public DataObject getDataObject(java.lang.String tableName)

Returns a data object to access a table as specified.

Parameters:

tableName - the name of the table to be accessed by the data object

Returns:

a data object to access a table as specified

getIdentifyTemplate

public IdentifyTemplate getIdentifyTemplate(java.lang.String tableName)

Returns a template to identify rows in the table as specified.

Parameters:

tableName - the name of the table to be accessed using this identify template

Returns:

a template to identify rows in the table as specified