001package org.hl7.fhir.r4.model;
002
003/*
004  Copyright (c) 2011+, HL7, Inc.
005  All rights reserved.
006  
007  Redistribution and use in source and binary forms, with or without modification, 
008  are permitted provided that the following conditions are met:
009    
010   * Redistributions of source code must retain the above copyright notice, this 
011     list of conditions and the following disclaimer.
012   * Redistributions in binary form must reproduce the above copyright notice, 
013     this list of conditions and the following disclaimer in the documentation 
014     and/or other materials provided with the distribution.
015   * Neither the name of HL7 nor the names of its contributors may be used to 
016     endorse or promote products derived from this software without specific 
017     prior written permission.
018  
019  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
020  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
021  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
022  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
023  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
024  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
025  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
026  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
027  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
028  POSSIBILITY OF SUCH DAMAGE.
029  
030 */
031
032import org.hl7.fhir.instance.model.api.IBaseDatatype;
033import org.hl7.fhir.instance.model.api.IBaseExtension;
034import org.hl7.fhir.instance.model.api.IBaseHasExtensions;
035import org.hl7.fhir.instance.model.api.IPrimitiveType;
036
037public abstract class BaseExtension extends Type implements IBaseExtension<Extension, Type>, IBaseHasExtensions {
038
039  private static final long serialVersionUID = 1L;
040
041  @Override
042  public Extension setValue(IBaseDatatype theValue) {
043    setValue((Type) theValue);
044    return (Extension) this;
045  }
046
047  public abstract Extension setValue(Type theValue);
048
049  /**
050   * Returns the value of this extension cast as a {@link IPrimitiveType}. This
051   * method is just a convenience method for easy chaining.
052   */
053  public IPrimitiveType<?> getValueAsPrimitive() {
054    return (IPrimitiveType<?>) getValue();
055  }
056
057}