1   /*   Copyright 2004 The Apache Software Foundation
    2    *
    3    *   Licensed under the Apache License, Version 2.0 (the "License");
    4    *   you may not use this file except in compliance with the License.
    5    *   You may obtain a copy of the License at
    6    *
    7    *       http://www.apache.org/licenses/LICENSE-2.0
    8    *
    9    *   Unless required by applicable law or agreed to in writing, software
   10    *   distributed under the License is distributed on an "AS IS" BASIS,
   11    *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   12    *   See the License for the specific language governing permissions and
   13    *  limitations under the License.
   14    */
   15   
   16   package org.apache.xmlbeans;
   17   
   18   /**
   19    * Represents a local or global element definition.
   20    */ 
   21   public interface SchemaLocalElement extends SchemaField, SchemaAnnotated
   22   {
   23       /**
   24        * True if extension is blocked.
   25        */
   26       boolean blockExtension();
   27       /**
   28        * True if restriction is blocked.
   29        */
   30       boolean blockRestriction();
   31       /**
   32        * True if element substitution is blocked.
   33        */
   34       boolean blockSubstitution();
   35   
   36       /**
   37        * True if this element is prohibited in content. Only
   38        * sensible if this is the head of a substitution group;
   39        * then only substitution group members can appear.<P>
   40        * 
   41        * Although local elements cannot be abstract, if an element 
   42        * use is a ref to a global element, then the flag from the 
   43        * global element is copied in to the local element where the 
   44        * use occurs.
   45        */
   46       boolean isAbstract();
   47   
   48       /**
   49        * Returns all the Key, KeyRef, and Unique constraints
   50        * on this element.
   51        */
   52       SchemaIdentityConstraint[] getIdentityConstraints();
   53   }