Package org.apache.cayenne.configuration.xml

Class DefaultDataChannelMetaData

java.lang.Object

org.apache.cayenne.configuration.xml.DefaultDataChannelMetaData

All Implemented Interfaces:

DataChannelMetaData

public class DefaultDataChannelMetaData
extends Object
implements DataChannelMetaData

Default implementation of DataChannelMetaData that stores data in Map.

This implementation is thread safe.

Since:

4.1

See Also:

NoopDataChannelMetaData

Constructor Summary

Constructors

Constructor	Description
DefaultDataChannelMetaData()

Method Summary

Modifier and Type	Method	Description
void	add(ConfigurationNode key, Object value)	value.getClass() will be used under the hood to associate data with the key object.
<T> T	get(ConfigurationNode key, Class<T> type)	If either key or value is null then null will be returned.
<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

DefaultDataChannelMetaData

public DefaultDataChannelMetaData()

Method Detail

add

public void add(ConfigurationNode key,
                Object value)

value.getClass() will be used under the hood to associate data with the key 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)

If either key or value is null then null will be returned.

Specified by:

get in interface DataChannelMetaData

Type Parameters:

T - data type

Parameters:

key - object for wich we want meta data

type - meta data type class

Returns:

value or null

remove

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

Specified by:

remove in interface DataChannelMetaData

Type Parameters:

T - data type

Parameters:

key - object for wich we want meta data

type - meta data type class

Returns:

removed value or null