Package org.apache.cayenne.configuration.xml

Class NoopDataChannelMetaData

java.lang.Object

org.apache.cayenne.configuration.xml.NoopDataChannelMetaData

All Implemented Interfaces:

DataChannelMetaData

public class NoopDataChannelMetaData
extends Object
implements DataChannelMetaData

Noop implementation of DataChannelMetaData. Used by Cayenne runtime by default as it doesn't need this information.

Since:

4.1

See Also:

DefaultDataChannelMetaData

Constructor Summary

Constructors

Constructor	Description
NoopDataChannelMetaData()

Method Summary

Modifier and Type	Method	Description
void	add(ConfigurationNode key, Object value)	Store data for object.
<T> T	get(ConfigurationNode key, Class<T> type)	Get meta data for object
<T> T	remove(ConfigurationNode key, Class<T> type)

Methods inherited from class java.lang.Object

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

Constructor Detail

NoopDataChannelMetaData

public NoopDataChannelMetaData()

Method Detail

add

public void add(ConfigurationNode key,
                Object value)

Description copied from interface: DataChannelMetaData

Store data for object.

Specified by:

add in interface DataChannelMetaData

Parameters:

key - object for which we want to store data

value - data to store

get

public <T> T get(ConfigurationNode key,
                 Class<T> type)

Description copied from interface: DataChannelMetaData

Get meta data for object

Specified by:

get in interface DataChannelMetaData

Type Parameters:

T - meta data type

Parameters:

key - object for wich we want meta data

type - meta data type class

Returns:

value or null if no data available

remove

public <T> T remove(ConfigurationNode key,
                    Class<T> type)

Specified by:

remove in interface DataChannelMetaData

Type Parameters:

T - meta data type

Parameters:

key - object for wich we want meta data

type - meta data type class

Returns:

value or null if no can't remove