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/*
* ====================================================================
* Project: openMDX/Core, http://www.openmdx.org/
* Description: Legacy Helper
* Owner: OMEX AG, Switzerland, http://www.omex.ch
* ====================================================================
*
* This software is published under the BSD license as listed below.
*
* Copyright (c) 2012, OMEX AG, Switzerland
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of the openMDX team nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* ------------------
*
* This product includes software developed by other organizations as
* listed in the NOTICE file.
*/
package org.openmdx.state2.spi;
import javax.jdo.PersistenceManager;
import org.openmdx.base.accessor.cci.DataObject_1_0;
import org.openmdx.base.accessor.view.Interceptor_1;
import org.openmdx.base.accessor.view.ObjectView_1_0;
import org.openmdx.base.exception.ServiceException;
import org.openmdx.base.mof.cci.ModelElement_1_0;
import org.openmdx.base.mof.cci.Model_1_0;
import org.openmdx.base.naming.Path;
import org.openmdx.base.persistence.spi.SharedObjects;
/**
* Some common methods for valid-time-unique support
*/
public class LegacyPlugInHelper {
/**
* Constructor
*/
private LegacyPlugInHelper() {
// Avoid instantiation
}
/**
* Tells whether the given type is a sub-type of org::openmdx::state2::Legacy
*
* @param view
* @param type
*
* @return true if the given type is a sub-type of org::openmdx::state2::Legacy
* @throws ServiceException
*/
public static boolean isLegacy(
ObjectView_1_0 view,
ModelElement_1_0 type
) throws ServiceException{
return view.getModel().isSubtypeOf(type, "org:openmdx:state2:Legacy");
}
/**
* Tells whether the container's parent object is an instance of StateCapable
*
* @param parent the container's parent object
*
* @return true if the container's parent object is an instance of StateCapable
*
* @throws ServiceException
*/
private static boolean isStateCapable(
ObjectView_1_0 parent
) throws ServiceException {
return parent.getModel().isInstanceof(parent, "org:openmdx:state2:StateCapable");
}
/**
* @param value
* @param model
*
* @return true if the Object is an instance of org::openmdx::state2::Legacy
*
* @throws ServiceException
*/
public static boolean isLegacy(
DataObject_1_0 value,
Model_1_0 model
) throws ServiceException {
return model.isInstanceof(value, "org:openmdx:state2:Legacy");
}
/**
* Tells whether the valid time is configured to be unique
*
* @param persistenceManager
* @param xri the object or container id
*
* @return true if the valid time is unique by configuration
*/
private static boolean isValidTimeUniqueByConfiguration(
PersistenceManager persistenceManager,
Path xri
){
LegacyConfiguration legacyConfiguration = SharedObjects.getPlugInObject(
persistenceManager,
LegacyConfiguration.class
);
return
legacyConfiguration != null &&
legacyConfiguration.isValidTimeUnique(xri);
}
/**
* Tells whether the valid time is configured to be unique
*
* @param value
*
* @return true if the valid time is unique by configuration
*/
private static boolean isValidTimeUniqueByConfiguration(
DataObject_1_0 value
){
return isValidTimeUniqueByConfiguration(
value.jdoGetPersistenceManager(),
value.jdoGetObjectId()
);
}
private static boolean isValidTimeUniqueByProperty(
DataObject_1_0 value
) throws ServiceException{
return Boolean.TRUE.equals(value.objGetValue(TechnicalAttributes.VALID_TIME_UNIQUE));
}
/**
* Tells whether the object is an org::openmdx::state2::Legacy instance
* with unique valid time.
*
* @param view
* @param interceptor
* @param type
*
* @return true if the object is a Legacy instance with
* unique valid time
*
* @throws ServiceException
*/
public static boolean isValidTimeUnique(
ObjectView_1_0 view,
Interceptor_1 interceptor,
ModelElement_1_0 type
) throws ServiceException {
return view.jdoIsPersistent() ? isValidTimeUniqueByConfiguration(view) : (
isLegacy(view, type) && isValidTimeUniqueByProperty(interceptor)
);
}
/**
* Tells whether the object is an org::openmdx::state2::Legacy instance
* with unique valid time.
*
* @param value
* @param model
*
* @return true if the object is a Legacy instance with
* unique valid time
*
* @throws ServiceException
*/
public static boolean isValidTimeUnique(
DataObject_1_0 value,
Model_1_0 model
) throws ServiceException{
return value.jdoIsPersistent() ? isValidTimeUniqueByConfiguration(value) : (
isLegacy(value, model) && isValidTimeUniqueByProperty(value)
);
}
/**
* Tells whether the children's valid time is unique
*
* @param parent
*
* @return true if the children's valid time is unique
*
* @throws ServiceException
*/
private static boolean isTheChildrensValidTimeUnique(
ObjectView_1_0 parent
) throws ServiceException {
return SharedObjects.getPlugInObject(
parent.jdoGetPersistenceManager(),
LegacyConfiguration.class
).isTheChildrensValidTimeUnique(
parent.getModel().getElement(parent.objGetClass())
);
}
/**
* Tells whether a container's valid time is unique
*
* @param parent
* @param containerId
*
* @return true if the container's valid time is unique
*
* @throws ServiceException
*/
public static boolean isValidTimeUnique(
ObjectView_1_0 parent,
Path containerId
) throws ServiceException {
return
containerId != null ? isValidTimeUniqueByConfiguration(parent.jdoGetPersistenceManager(), containerId) :
isStateCapable(parent) ? isValidTimeUniqueByProperty(parent) :
isTheChildrensValidTimeUnique(parent);
}
}
