1 /* 2 * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.xml.internal.xsom.impl; 27 28 import com.sun.xml.internal.xsom.XSElementDecl; 29 import com.sun.xml.internal.xsom.XSIdentityConstraint; 30 import com.sun.xml.internal.xsom.XSXPath; 31 import com.sun.xml.internal.xsom.impl.parser.SchemaDocumentImpl; 32 import com.sun.xml.internal.xsom.visitor.XSFunction; 33 import com.sun.xml.internal.xsom.visitor.XSVisitor; 34 import org.xml.sax.Locator; 35 36 import java.util.Collections; 37 import java.util.List; 38 39 /** 40 * {@link XSIdentityConstraint} implementation. 41 * 42 * @author Kohsuke Kawaguchi 43 */ 44 public class IdentityConstraintImpl extends ComponentImpl implements XSIdentityConstraint, Ref.IdentityConstraint { 45 46 private XSElementDecl parent; 47 private final short category; 48 private final String name; 49 private final XSXPath selector; 50 private final List<XSXPath> fields; 51 private final Ref.IdentityConstraint refer; 52 53 public IdentityConstraintImpl(SchemaDocumentImpl _owner, AnnotationImpl _annon, Locator _loc, 54 ForeignAttributesImpl fa, short category, String name, XPathImpl selector, 55 List<XPathImpl> fields, Ref.IdentityConstraint refer) { 56 57 super(_owner, _annon, _loc, fa); 58 this.category = category; 59 this.name = name; 60 this.selector = selector; 61 selector.setParent(this); 62 this.fields = (List<XSXPath>) Collections.unmodifiableList((List<? extends XSXPath>)fields); 63 for( XPathImpl xp : fields ) 64 xp.setParent(this); 65 this.refer = refer; 66 } 67 68 69 @Override 70 public void visit(XSVisitor visitor) { 71 visitor.identityConstraint(this); 72 } 73 74 @Override 75 public <T> T apply(XSFunction<T> function) { 76 return function.identityConstraint(this); 77 } 78 79 public void setParent(ElementDecl parent) { 80 this.parent = parent; 81 parent.getOwnerSchema().addIdentityConstraint(this); 82 } 83 84 @Override 85 public XSElementDecl getParent() { 86 return parent; 87 } 88 89 @Override 90 public String getName() { 91 return name; 92 } 93 94 @Override 95 public String getTargetNamespace() { 96 return getParent().getTargetNamespace(); 97 } 98 99 @Override 100 public short getCategory() { 101 return category; 102 } 103 104 @Override 105 public XSXPath getSelector() { 106 return selector; 107 } 108 109 @Override 110 public List<XSXPath> getFields() { 111 return fields; 112 } 113 114 @Override 115 public XSIdentityConstraint getReferencedKey() { 116 if(category==KEYREF) 117 return refer.get(); 118 else 119 throw new IllegalStateException("not a keyref"); 120 } 121 122 @Override 123 public XSIdentityConstraint get() { 124 return this; 125 } 126 }