/*
* JBoss, Home of Professional Open Source.
*
* See the LEGAL.txt file distributed with this work for information regarding copyright ownership and licensing.
*
* See the AUTHORS.txt file distributed with this work for a full listing of individual contributors.
*/
package org.teiid.designer.core.metamodel.aspect.core.aspects.validation.rules;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EClassifier;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.teiid.core.designer.util.CoreArgCheck;
import org.teiid.designer.core.ModelerCore;
import org.teiid.designer.core.validation.ObjectValidationRule;
import org.teiid.designer.core.validation.ValidationContext;
import org.teiid.designer.core.validation.ValidationProblem;
import org.teiid.designer.core.validation.ValidationProblemImpl;
import org.teiid.designer.core.validation.ValidationResult;
import org.teiid.designer.core.validation.ValidationResultImpl;
import org.teiid.designer.metamodels.core.extension.XClass;
import org.teiid.designer.metamodels.core.extension.XPackage;
/**
* @since 8.0
*/
public class XClassUniqueExtendedClassInXPackageRule implements ObjectValidationRule {
/**
* @see org.teiid.designer.core.validation.ObjectValidationRule#validate(org.eclipse.emf.ecore.EObject, org.teiid.designer.core.validation.ValidationContext)
* @since 4.2
*/
@Override
public void validate(EObject eObject, ValidationContext context) {
CoreArgCheck.isInstanceOf(XPackage.class, eObject);
final XPackage xpackage = (XPackage) eObject;
final Resource resource = xpackage.eResource();
if (resource == null) {
return;
}
// Get the XClasses and check for duplicate names ...
final Map xclassesByMetaclasses = new HashMap();
final List xclasses = xpackage.getEClassifiers();
final Iterator iter = xclasses.iterator();
while (iter.hasNext()) {
final EClassifier classifier = (EClassifier)iter.next();
if ( classifier instanceof XClass ) {
final XClass xclass = (XClass)classifier;
final EClass extendedMetaclass = xclass.getExtendedClass();
if ( extendedMetaclass != null ) {
// Look for (or create & add) the list of XClasses for the metaclass
List xclassesForMetaclass = (List) xclassesByMetaclasses.get(extendedMetaclass);
if ( xclassesForMetaclass == null ) {
xclassesForMetaclass = new ArrayList(5);
xclassesByMetaclasses.put(extendedMetaclass,xclassesForMetaclass);
}
// Add this XClass to the list ...
xclassesForMetaclass.add(xclass);
}
}
}
// Check for duplicate metaclasses ...
final Iterator extendedClassIter = xclassesByMetaclasses.entrySet().iterator();
while (extendedClassIter.hasNext()) {
final Map.Entry entry = (Map.Entry)extendedClassIter.next();
final List xclassesWithSameMetaclass = (List)entry.getValue();
final int numDuplicates = xclassesWithSameMetaclass.size();
if ( numDuplicates > 1 ) {
// Iterate and create error messages for each ...
final Integer numOthers = new Integer(numDuplicates-1);
final Iterator xclassIter = xclassesWithSameMetaclass.iterator();
while (xclassIter.hasNext()) {
final XClass xclass = (XClass)xclassIter.next();
final ValidationResult result = new ValidationResultImpl(xclass);
final Object[] params = new Object[]{numOthers};
final String msg = ModelerCore.Util.getString("XClassUniqueExtendedClassInXPackageRule.ExtendedClassHasSameMetaclassAs_n_Others",params); //$NON-NLS-1$
final ValidationProblem problem = new ValidationProblemImpl(0, IStatus.ERROR ,msg);
result.addProblem(problem);
context.addResult(result);
}
}
}
}
}