aoqi@0: /*
aoqi@0:  * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.  Oracle designates this
aoqi@0:  * particular file as subject to the "Classpath" exception as provided
aoqi@0:  * by Oracle in the LICENSE file that accompanied this code.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: package com.sun.xml.internal.bind.v2.model.impl;
aoqi@0: 
aoqi@0: import javax.xml.namespace.QName;
aoqi@0: 
aoqi@0: import com.sun.xml.internal.bind.v2.model.core.NonElement;
aoqi@0: import com.sun.xml.internal.bind.v2.model.core.PropertyInfo;
aoqi@0: import com.sun.xml.internal.bind.v2.model.core.TypeRef;
aoqi@0: 
aoqi@0: /**
aoqi@0:  * @author Kohsuke Kawaguchi
aoqi@0:  */
aoqi@0: class TypeRefImpl<TypeT,ClassDeclT> implements TypeRef<TypeT,ClassDeclT> {
aoqi@0:     private final QName elementName;
aoqi@0:     private final TypeT type;
aoqi@0:     protected final ElementPropertyInfoImpl<TypeT,ClassDeclT,?,?> owner;
aoqi@0:     private NonElement<TypeT,ClassDeclT> ref;
aoqi@0:     private final boolean isNillable;
aoqi@0:     private String defaultValue;
aoqi@0: 
aoqi@0:     public TypeRefImpl(ElementPropertyInfoImpl<TypeT, ClassDeclT, ?, ?> owner, QName elementName, TypeT type, boolean isNillable, String defaultValue) {
aoqi@0:         this.owner = owner;
aoqi@0:         this.elementName = elementName;
aoqi@0:         this.type = type;
aoqi@0:         this.isNillable = isNillable;
aoqi@0:         this.defaultValue = defaultValue;
aoqi@0:         assert owner!=null;
aoqi@0:         assert elementName!=null;
aoqi@0:         assert type!=null;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public NonElement<TypeT,ClassDeclT> getTarget() {
aoqi@0:         if(ref==null)
aoqi@0:             calcRef();
aoqi@0:         return ref;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public QName getTagName() {
aoqi@0:         return elementName;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public boolean isNillable() {
aoqi@0:         return isNillable;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public String getDefaultValue() {
aoqi@0:         return defaultValue;
aoqi@0:     }
aoqi@0: 
aoqi@0:     protected void link() {
aoqi@0:         // if we have'nt computed the ref yet, do so now.
aoqi@0:         calcRef();
aoqi@0:     }
aoqi@0: 
aoqi@0:     private void calcRef() {
aoqi@0:         // we can't do this eagerly because of a cyclic dependency
aoqi@0:         ref = owner.parent.builder.getTypeInfo(type,owner);
aoqi@0:         assert ref!=null;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public PropertyInfo<TypeT,ClassDeclT> getSource() {
aoqi@0:         return owner;
aoqi@0:     }
aoqi@0: }