/*
* Copyright (c) 2006 Stiftung Deutsches Elektronen-Synchroton,
* Member of the Helmholtz Association, (DESY), HAMBURG, GERMANY.
*
* THIS SOFTWARE IS PROVIDED UNDER THIS LICENSE ON AN "../AS IS" BASIS.
* WITHOUT WARRANTY OF ANY KIND, EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED
* TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR PARTICULAR PURPOSE AND
* NON-INFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
* FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
* THE USE OR OTHER DEALINGS IN THE SOFTWARE. SHOULD THE SOFTWARE PROVE DEFECTIVE
* IN ANY RESPECT, THE USER ASSUMES THE COST OF ANY NECESSARY SERVICING, REPAIR OR
* CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE.
* NO USE OF ANY SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER THIS DISCLAIMER.
* DESY HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS,
* OR MODIFICATIONS.
* THE FULL LICENSE SPECIFYING FOR THE SOFTWARE THE REDISTRIBUTION, MODIFICATION,
* USAGE AND OTHER RIGHTS AND OBLIGATIONS IS INCLUDED WITH THE DISTRIBUTION OF THIS
* PROJECT IN THE FILE LICENSE.HTML. IF THE LICENSE IS NOT INCLUDED YOU MAY FIND A COPY
* AT HTTP://WWW.DESY.DE/LEGAL/LICENSE.HTM
*/
/**
*
*/
package org.csstudio.dal.group;
import org.csstudio.dal.DynamicValueProperty;
/**
* This interface provides group access to properties. If underalaying communication layer does
* not support protocol optimization for group access, than this access must be implemented on client side in DAL implementaion.
*
* @author Igor Kriznar (igor.kriznarATcosylab.com)
*
*/
public interface GroupDataAccessProvider
{
/**
* Returns data access for all properties contained by this group access provider, which can be
* casted to provided type and data access flavor.
*
* @param <T> exact data type
* @param <P> exact property type
* @param dataType exact data type
* @param propertyType exact property type
*
* @return data access for all properties contained by this group access provider
*/
public <T, P extends DynamicValueProperty<?>> GroupDataAccess<T, P> getGroupDataAccess(
Class<T> dataType, Class<P> propertyType);
/**
* Returns data access for all properties contained by this group access provider, which can be
* casted to provided type and data access flavor and match constrained.
*
* @param <T> exact data type
* @param <P> exact property type
* @param dataType exact data type
* @param propertyType exact property type
* @param constrain the constrains which filter returned properties in group access
*
* @return data access for all properties contained by this group access provider
*/
public <T, P extends DynamicValueProperty<T>> GroupDataAccess<T, P> getGroupDataAccess(
Class<T> dataType, Class<P> propertyType,
PropertyGroupConstrain constrain);
}
/* __oOo__ */