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/*
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* JBind
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*
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* Copyright (c) by Stefan Wachter. All rights reserved.
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*
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* Usage, modification, and redistribution is subject to license terms that are
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* available at 'http://www.jbind.org'. The JBind license is like the
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* 'Apache Software License V 1.1'.
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*/
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package org.jbind.xml.schema.element;
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import org.jbind.xml.base.IAttribute;
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import org.jbind.xml.base.IRef;
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import org.jbind.xml.base.ISymbolspaces;
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import org.jbind.xml.core.cmp.IComponent;
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import org.jbind.xml.core.constraint.IElementInstanceConstraint;
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import org.jbind.xml.core.type.IAnyType;
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import org.jbind.xml.msg.IConstraintViolations;
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import org.jbind.xml.msg.XmlException;
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import org.jbind.xml.msg.XmlMessages;
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import org.jbind.xml.schema.constraint.ElementKeyRefConstraint;
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import org.jbind.xml.schema.instantiation.IElemValHelper;
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import org.jbind.xml.schema.instantiation.IElementHelper;
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import org.jbind.xml.schema.instantiation.IJobRefs;
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public class ElementKeyRefConstraintElement extends ElementIdentityConstraintElement implements IKeyRefConstraintElement {
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private IRef myRefer = null;
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public ElementKeyRefConstraintElement(CreationParams aCreationParams) {
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super(aCreationParams);
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}
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public IRef getRefer() {
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return myRefer;
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}
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protected IAttribute doCreateAttribute(ACParams anACParams) throws XmlException {
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IAttribute res = null;
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String an = NameUtil.getSchemaAttributeName(anACParams);
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if ("refer".equals(an)) {
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res = new RefAttribute(anACParams, ISymbolspaces.IDENTITY_CONSTRAINT);
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myRefer = res.getRef();
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} else {
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res = super.doCreateAttribute(anACParams);
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}
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return res;
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}
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public void validateElement(IElemValHelper aHelper, IConstraintViolations aViolations) {
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super.validateElement(aHelper, aViolations);
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if (null == myRefer) {
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aViolations.add(XmlMessages.missingAttribute("refer", this));
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}
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}
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protected void doCollectRefsForCompletion(IElementHelper anElementHelper, IJobRefs aJobRefs) {
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aJobRefs.add(myRefer, true, this);
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}
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public IComponent createComponent(IElementHelper anElementHelper, IConstraintViolations aViolations) {
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return new ElementKeyRefConstraint(this, getTargetNamespace(), getName());
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}
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public void completeComponent(IElementHelper anElementHelper, IComponent aComponent, IConstraintViolations aViolations) {
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super.completeComponent(anElementHelper, aComponent, aViolations);
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ElementKeyRefConstraint krc = (ElementKeyRefConstraint)aComponent;
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IComponent referredComponent = anElementHelper.getComponent(myRefer, true);
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if (!(referredComponent instanceof IElementInstanceConstraint)) {
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aViolations.add(XmlMessages.referencedConstraintMustBeKeyOrUnique(this));
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} else {
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IElementInstanceConstraint referredConstraint = (IElementInstanceConstraint)referredComponent;
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if (krc.getNbFields() != referredConstraint.getNbFields()) {
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aViolations.add(XmlMessages.numberOfkeyRefFieldsDoNotMatchKeyFields(this));
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}
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krc.setRefer(referredConstraint);
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IAnyType referredDataType = referredConstraint.getDataType();
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if (null == krc.getDataType()) {
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krc.setDataType(referredDataType);
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} else {
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if (!referredDataType.isBaseType(krc.getDataType())) {
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aViolations.add(XmlMessages.typeOfRefMustBeSubType(this));
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}
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}
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}
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}
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}
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