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Diffstat (limited to 'sdo-java/branches/emf-2.5/impl/src/main/java/org/apache/tuscany/sdo/helper/CopyHelperImpl.java')
| -rw-r--r-- | sdo-java/branches/emf-2.5/impl/src/main/java/org/apache/tuscany/sdo/helper/CopyHelperImpl.java | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/sdo-java/branches/emf-2.5/impl/src/main/java/org/apache/tuscany/sdo/helper/CopyHelperImpl.java b/sdo-java/branches/emf-2.5/impl/src/main/java/org/apache/tuscany/sdo/helper/CopyHelperImpl.java new file mode 100644 index 0000000000..b4d3b257b0 --- /dev/null +++ b/sdo-java/branches/emf-2.5/impl/src/main/java/org/apache/tuscany/sdo/helper/CopyHelperImpl.java @@ -0,0 +1,115 @@ +/** + * + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sdo.helper; + + +import java.util.ArrayList; +import java.util.Iterator; +import java.util.List; + +import org.eclipse.emf.ecore.EAttribute; +import org.eclipse.emf.ecore.EObject; +import org.eclipse.emf.ecore.EReference; +import org.eclipse.emf.ecore.util.EcoreUtil.Copier; + +import commonj.sdo.ChangeSummary; +import commonj.sdo.DataObject; +import commonj.sdo.helper.CopyHelper; + + +/** + * A helper for copying DataObjects. + */ +public class CopyHelperImpl implements CopyHelper +{ + public DataObject copyShallow(DataObject dataObject) + { + Copier copier = new SDOCopier() + { + protected void copyContainment(EReference eReference, EObject eObject, EObject copyEObject) + { + } + + + }; + return (DataObject)copier.copy((EObject)dataObject); + } + + public DataObject copy(DataObject dataObject) + { + Copier copier = new SDOCopier(){ + + protected void copyAttribute(EAttribute eAttribute, EObject eObject, EObject copyEObject) { + if(("ChangeSummaryType".equals(eAttribute.getEType().getName()) && "commonj.sdo".equals(eAttribute.getEType().getEPackage().getNsURI()))) { + throw new UnsupportedOperationException("Copying of change summary yet to be done"); + } else { + super.copyAttribute(eAttribute, eObject, copyEObject); + } + } + }; + + return (DataObject)copier.copy((EObject)dataObject); + } + + +} + + +class SDOCopier extends Copier { + + List csToTurnOn = new ArrayList(); + List csToTurnOff = new ArrayList(); + + public EObject copy(EObject object) { + + EObject result = super.copy(object); + copyReferences(); + + for (Iterator csit = csToTurnOn.iterator(); csit.hasNext();) { + ChangeSummary cs = (ChangeSummary) csit.next(); + if(!cs.isLogging()) { cs.beginLogging(); } + } + for (Iterator csit = csToTurnOff.iterator(); csit.hasNext();) { + ChangeSummary cs = (ChangeSummary) csit.next(); + if(cs.isLogging()) { cs.endLogging(); } + } + + return result; + } + + + + protected void copyAttribute(EAttribute eAttribute, EObject eObject, EObject copyEObject) { + + if(("ChangeSummaryType".equals(eAttribute.getEType().getName()) && "commonj.sdo".equals(eAttribute.getEType().getEPackage().getNsURI()))) { + if (((ChangeSummary)eObject.eGet(eAttribute)).isLogging()) { + csToTurnOn.add(((DataObject)copyEObject).getChangeSummary()); + } else { + csToTurnOff.add(((DataObject)copyEObject).getChangeSummary()); + } + ChangeSummary copyCS = (ChangeSummary)copyEObject.eGet(eAttribute); + if(copyCS.isLogging()) copyCS.endLogging(); + + } else { + super.copyAttribute(eAttribute, eObject, copyEObject); + } + } + +}
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