1 /* 2 * Copyright (C) 2011 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 android.database.sqlite; 18 19 /** 20 * Describes a custom SQL function. 21 * 22 * @hide 23 */ 24 public final class SQLiteCustomFunction { 25 public final String name; 26 public final int numArgs; 27 public final SQLiteDatabase.CustomFunction callback; 28 29 /** 30 * Create custom function. 31 * 32 * @param name The name of the sqlite3 function. 33 * @param numArgs The number of arguments for the function, or -1 to 34 * support any number of arguments. 35 * @param callback The callback to invoke when the function is executed. 36 */ 37 public SQLiteCustomFunction(String name, int numArgs, 38 SQLiteDatabase.CustomFunction callback) { 39 if (name == null) { 40 throw new IllegalArgumentException("name must not be null."); 41 } 42 43 this.name = name; 44 this.numArgs = numArgs; 45 this.callback = callback; 46 } 47 48 // Called from native. 49 @SuppressWarnings("unused") 50 private void dispatchCallback(String[] args) { 51 callback.callback(args); 52 } 53 } 54
