1 // Protocol Buffers - Google's data interchange format 2 // Copyright 2008 Google Inc. All rights reserved. 3 // https://developers.google.com/protocol-buffers/ 4 // 5 // Redistribution and use in source and binary forms, with or without 6 // modification, are permitted provided that the following conditions are 7 // met: 8 // 9 // * Redistributions of source code must retain the above copyright 10 // notice, this list of conditions and the following disclaimer. 11 // * Redistributions in binary form must reproduce the above 12 // copyright notice, this list of conditions and the following disclaimer 13 // in the documentation and/or other materials provided with the 14 // distribution. 15 // * Neither the name of Google Inc. nor the names of its 16 // contributors may be used to endorse or promote products derived from 17 // this software without specific prior written permission. 18 // 19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 31 package com.google.protobuf; 32 33 /** 34 * Lite interface that generated extensions implement. 35 * 36 * <p>Methods are for use by generated code only. You can hold a reference to extensions using this 37 * type name. 38 */ 39 public abstract class ExtensionLite<ContainingType extends MessageLite, Type> { 40 41 /** Returns the field number of the extension. */ getNumber()42 public abstract int getNumber(); 43 44 /** Returns the type of the field. */ getLiteType()45 public abstract WireFormat.FieldType getLiteType(); 46 47 /** Returns whether it is a repeated field. */ isRepeated()48 public abstract boolean isRepeated(); 49 50 /** Returns the default value of the extension field. */ getDefaultValue()51 public abstract Type getDefaultValue(); 52 53 /** Returns the default instance of the extension field, if it's a message extension. */ getMessageDefaultInstance()54 public abstract MessageLite getMessageDefaultInstance(); 55 56 /** Returns whether or not this extension is a Lite Extension. */ isLite()57 boolean isLite() { 58 return true; 59 } 60 } 61