236 lines
8.2 KiB
Java
236 lines
8.2 KiB
Java
/*
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* Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.xml.internal.xsom.impl;
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import com.sun.xml.internal.xsom.XSElementDecl;
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import com.sun.xml.internal.xsom.XSIdentityConstraint;
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import com.sun.xml.internal.xsom.XSModelGroup;
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import com.sun.xml.internal.xsom.XSModelGroupDecl;
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import com.sun.xml.internal.xsom.XSTerm;
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import com.sun.xml.internal.xsom.XSType;
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import com.sun.xml.internal.xsom.XSWildcard;
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import com.sun.xml.internal.xsom.XmlString;
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import com.sun.xml.internal.xsom.impl.parser.PatcherManager;
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import com.sun.xml.internal.xsom.impl.parser.SchemaDocumentImpl;
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import com.sun.xml.internal.xsom.visitor.XSFunction;
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import com.sun.xml.internal.xsom.visitor.XSTermFunction;
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import com.sun.xml.internal.xsom.visitor.XSTermFunctionWithParam;
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import com.sun.xml.internal.xsom.visitor.XSTermVisitor;
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import com.sun.xml.internal.xsom.visitor.XSVisitor;
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import org.xml.sax.Locator;
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import java.util.Collections;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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public class ElementDecl extends DeclarationImpl implements XSElementDecl, Ref.Term
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{
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public ElementDecl( PatcherManager reader, SchemaDocumentImpl owner,
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AnnotationImpl _annon, Locator _loc, ForeignAttributesImpl fa,
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String _tns, String _name, boolean _anonymous,
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XmlString _defv, XmlString _fixedv,
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boolean _nillable, boolean _abstract, Boolean _form,
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Ref.Type _type, Ref.Element _substHead,
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int _substDisallowed, int _substExcluded,
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List<IdentityConstraintImpl> idConstraints) {
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super(owner,_annon,_loc,fa,_tns,_name,_anonymous);
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this.defaultValue = _defv;
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this.fixedValue = _fixedv;
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this.nillable = _nillable;
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this._abstract = _abstract;
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this.form = _form;
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this.type = _type;
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this.substHead = _substHead;
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this.substDisallowed = _substDisallowed;
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this.substExcluded = _substExcluded;
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this.idConstraints = Collections.unmodifiableList((List<? extends XSIdentityConstraint>)idConstraints);
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for (IdentityConstraintImpl idc : idConstraints)
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idc.setParent(this);
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if(type==null)
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throw new IllegalArgumentException();
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}
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private XmlString defaultValue;
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public XmlString getDefaultValue() { return defaultValue; }
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private XmlString fixedValue;
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public XmlString getFixedValue() { return fixedValue; }
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private boolean nillable;
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public boolean isNillable() { return nillable; }
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private boolean _abstract;
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public boolean isAbstract() { return _abstract; }
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private Ref.Type type;
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public XSType getType() { return type.getType(); }
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private Ref.Element substHead;
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public XSElementDecl getSubstAffiliation() {
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if(substHead==null) return null;
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return substHead.get();
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}
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private int substDisallowed;
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public boolean isSubstitutionDisallowed( int method ) {
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return (substDisallowed&method)!=0;
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}
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private int substExcluded;
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public boolean isSubstitutionExcluded( int method ) {
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return (substExcluded&method)!=0;
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}
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private final List<XSIdentityConstraint> idConstraints;
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public List<XSIdentityConstraint> getIdentityConstraints() {
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return idConstraints;
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}
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private Boolean form;
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public Boolean getForm() {
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return form;
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}
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/**
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* @deprecated
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*/
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public XSElementDecl[] listSubstitutables() {
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Set<? extends XSElementDecl> s = getSubstitutables();
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return s.toArray(new XSElementDecl[s.size()]);
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}
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/** Set that represents element decls that can substitute this element. */
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private Set<XSElementDecl> substitutables = null;
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/** Unmodifieable view of {@link #substitutables}. */
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private Set<XSElementDecl> substitutablesView = null;
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public Set<? extends XSElementDecl> getSubstitutables() {
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if( substitutables==null ) {
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// if the field is null by the time this method
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// is called, it means this element is substitutable by itself only.
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substitutables = substitutablesView = Collections.singleton((XSElementDecl)this);
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}
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return substitutablesView;
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}
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protected void addSubstitutable( ElementDecl decl ) {
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if( substitutables==null ) {
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substitutables = new HashSet<XSElementDecl>();
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substitutables.add(this);
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substitutablesView = Collections.unmodifiableSet(substitutables);
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}
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substitutables.add(decl);
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}
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public void updateSubstitutabilityMap() {
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ElementDecl parent = this;
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XSType type = this.getType();
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boolean rused = false;
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boolean eused = false;
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while( (parent=(ElementDecl)parent.getSubstAffiliation())!=null ) {
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if(parent.isSubstitutionDisallowed(XSType.SUBSTITUTION))
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continue;
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boolean rd = parent.isSubstitutionDisallowed(XSType.RESTRICTION);
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boolean ed = parent.isSubstitutionDisallowed(XSType.EXTENSION);
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if( (rd && rused) || ( ed && eused ) ) continue;
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XSType parentType = parent.getType();
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while (type!=parentType) {
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if(type.getDerivationMethod()==XSType.RESTRICTION) rused = true;
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else eused = true;
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type = type.getBaseType();
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if(type==null) // parentType and type doesn't share the common base type. a bug in the schema.
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break;
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if( type.isComplexType() ) {
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rd |= type.asComplexType().isSubstitutionProhibited(XSType.RESTRICTION);
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ed |= type.asComplexType().isSubstitutionProhibited(XSType.EXTENSION);
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}
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if (getRoot().getAnyType().equals(type)) break;
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}
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if( (rd && rused) || ( ed && eused ) ) continue;
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// this element can substitute "parent"
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parent.addSubstitutable(this);
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}
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}
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public boolean canBeSubstitutedBy(XSElementDecl e) {
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return getSubstitutables().contains(e);
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}
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public boolean isWildcard() { return false; }
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public boolean isModelGroupDecl() { return false; }
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public boolean isModelGroup() { return false; }
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public boolean isElementDecl() { return true; }
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public XSWildcard asWildcard() { return null; }
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public XSModelGroupDecl asModelGroupDecl() { return null; }
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public XSModelGroup asModelGroup() { return null; }
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public XSElementDecl asElementDecl() { return this; }
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public void visit( XSVisitor visitor ) {
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visitor.elementDecl(this);
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}
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public void visit( XSTermVisitor visitor ) {
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visitor.elementDecl(this);
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}
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public Object apply( XSTermFunction function ) {
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return function.elementDecl(this);
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}
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public <T,P> T apply(XSTermFunctionWithParam<T, P> function, P param) {
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return function.elementDecl(this,param);
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}
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public Object apply( XSFunction function ) {
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return function.elementDecl(this);
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}
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// Ref.Term implementation
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public XSTerm getTerm() { return this; }
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}
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