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/*
* ====================================================================
* Project: openMDX, http://www.openmdx.org/
* Description: Extent Capable
* Owner: OMEX AG, Switzerland, http://www.omex.ch
* ====================================================================
*
* This software is published under the BSD license as listed below.
*
* Copyright (c) 2008, 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.base.aop1;
import org.openmdx.base.accessor.cci.DataObject_1_0;
import org.openmdx.base.accessor.cci.SystemAttributes;
import org.openmdx.base.accessor.view.ObjectView_1_0;
import org.openmdx.base.accessor.view.Interceptor_1;
import org.openmdx.base.exception.ServiceException;
import org.openmdx.base.naming.Path;
import org.openmdx.kernel.exception.BasicException;
/**
* Extent Capable Plug-In
*/
public class ExtentCapable_1 extends Interceptor_1 {
/**
* Constructor
*
* @param self the plug-in holder
* @param next the next plug-in
*
* @throws ServiceException
*/
public ExtentCapable_1(
ObjectView_1_0 self,
Interceptor_1 next
) throws ServiceException {
super(self, next);
this.aspect = self.getModel().isInstanceof(
self.objGetDelegate(),
"org:openmdx:base:Aspect"
);
}
/**
* true in case of an org::openmdx::base::Aspect instance
*/
private boolean aspect;
/* (non-Javadoc)
* @see org.openmdx.base.accessor.generic.spi.StaticallyDelegatingObject_1#objGetValue(java.lang.String)
*/
@Override
public Object objGetValue(
String feature
) throws ServiceException {
if(SystemAttributes.OBJECT_IDENTITY.equals(feature)) {
Object resourceIdentifier;
if(this.aspect) {
DataObject_1_0 core = (DataObject_1_0) this.self.objGetDelegate().objGetValue(SystemAttributes.CORE);
resourceIdentifier = core == null ? null : core.jdoGetObjectId();
} else {
resourceIdentifier = this.jdoGetObjectId();
}
return resourceIdentifier == null ? null : (
resourceIdentifier instanceof Path ? ((Path)resourceIdentifier) : new Path(resourceIdentifier.toString())
).toXRI();
} else {
return super.objGetValue(feature);
}
}
/* (non-Javadoc)
* @see org.openmdx.base.accessor.generic.spi.StaticallyDelegatingObject_1#objSetValue(java.lang.String, java.lang.Object)
*/
@Override
public void objSetValue(
String feature,
Object to
) throws ServiceException {
if(SystemAttributes.OBJECT_IDENTITY.equals(feature)) {
throw new ServiceException(
BasicException.Code.DEFAULT_DOMAIN,
BasicException.Code.NOT_SUPPORTED,
"An object's identity is read-only",
new BasicException.Parameter("feature", feature)
);
}
super.objSetValue(feature, to);
}
}
