1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.googlecode.android_scripting.rpc; 18 19 import java.lang.annotation.Documented; 20 import java.lang.annotation.ElementType; 21 import java.lang.annotation.Retention; 22 import java.lang.annotation.RetentionPolicy; 23 import java.lang.annotation.Target; 24 25 /** 26 * Use this annotation to mark RPC parameter as optional. 27 * 28 * <p> 29 * The parameter marked as optional has no explicit default value. {@code null} is used as default 30 * value. 31 * 32 */ 33 @Retention(RetentionPolicy.RUNTIME) 34 @Target(ElementType.PARAMETER) 35 @Documented 36 public @interface RpcOptional { 37 } 38