content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   * 
   *      http://www.apache.org/licenses/LICENSE-2.0
   * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package mf.org.apache.xerces.xs;
  
  /**
   * This interface represents the Identity-constraint Definition schema
   * component.
   */
  public interface XSIDCDefinition extends XSObject {
      // Identity Constraints
      /**
       * See the definition of <code>key</code> in the identity-constraint
       * category.
       */
      short IC_KEY = 1;
      /**
       * See the definition of <code>keyref</code> in the identity-constraint
       * category.
       */
      short IC_KEYREF = 2;
      /**
       * See the definition of <code>unique</code> in the identity-constraint
       * category.
       */
      short IC_UNIQUE = 3;
  
      /**
       * [identity-constraint category]: one of key, keyref or unique.
       */
      short getCategory();
  
      /**
       * [selector]: a restricted XPath 1.0 expression.
       */
      String getSelectorStr();
  
      /**
       * [fields]: a non-empty list of restricted  XPath 1.0 expressions.
       */
      StringList getFieldStrs();
  
      /**
       * [referenced key]: required if [identity-constraint category] is keyref,
       * <code>null</code> otherwise. An identity-constraint definition with [
       * identity-constraint category] equal to key or unique.
       */
      XSIDCDefinition getRefKey();
  
      /**
       * A sequence of [annotations] or an empty  <code>XSObjectList</code>.
       */
      XSObjectList getAnnotations();
  
  }
  