cz.cuni.amis.pogamut.pogamutlevelmetadata
Class AbstractLevelMetadataProvider<ObjectId>

java.lang.Object
  cz.cuni.amis.pogamut.pogamutlevelmetadata.AbstractLevelMetadataProvider<ObjectId>

All Implemented Interfaces:

ILevelMetaDataProvider<ObjectId>

Direct Known Subclasses:

AbstractFilteringLevelMetaDataProvider

public abstract class AbstractLevelMetadataProvider<ObjectId>
extends Object
implements ILevelMetaDataProvider<ObjectId>

Base for all implementations of ILevelMetaDataProvider. Provides] the "single" variants of all calls using the other methods, throwing NoUniqueMetaDataException if there are no or more than one candidates for the metadata.

Author:

MaCe

Constructor Summary

AbstractLevelMetadataProvider()

Method Summary

<T extends IConnectedMetaData<? extends ObjectId>> T	getSingleConnectedMetaData(ObjectId targetObject, Class<T> clazz) Returns singleton metadata instance of a particular class connected to a certain object.
<T> T	getSingleMetaData(Class<T> clazz) Returns singleton metadata instance of a particular class.

Methods inherited from class java.lang.Object

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

Methods inherited from interface cz.cuni.amis.pogamut.pogamutlevelmetadata.ILevelMetaDataProvider

getAllConnectedMetaData, getAllMetaData, getConnectedMetaData, getMetaData

Constructor Detail

AbstractLevelMetadataProvider

public AbstractLevelMetadataProvider()

Method Detail

getSingleConnectedMetaData

public <T extends IConnectedMetaData<? extends ObjectId>> T getSingleConnectedMetaData(ObjectId targetObject,
                                                                                       Class<T> clazz)

Description copied from interface: ILevelMetaDataProvider

Returns singleton metadata instance of a particular class connected to a certain object.

Specified by:

getSingleConnectedMetaData in interface ILevelMetaDataProvider<ObjectId>

clazz - the class of metadata to be returned

Returns:

getSingleMetaData

public <T> T getSingleMetaData(Class<T> clazz)

Description copied from interface: ILevelMetaDataProvider

Returns singleton metadata instance of a particular class.

Specified by:

getSingleMetaData in interface ILevelMetaDataProvider<ObjectId>

Parameters:

clazz - the class of metadata to be returned

Returns: