1 /* 2 * Copyright (C) 2007 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.android.dx.cf.iface; 18 19 /** 20 * Interface for lists of fields. 21 */ 22 public interface FieldList 23 { 24 /** 25 * Get whether this instance is mutable. Note that the 26 * {@code FieldList} interface itself doesn't provide any means 27 * of mutation, but that doesn't mean that there isn't a non-interface 28 * way of mutating an instance. 29 * 30 * @return {@code true} iff this instance is somehow mutable 31 */ isMutable()32 public boolean isMutable(); 33 34 /** 35 * Get the number of fields in the list. 36 * 37 * @return the size 38 */ size()39 public int size(); 40 41 /** 42 * Get the {@code n}th field. 43 * 44 * @param n {@code n >= 0, n < size();} which field 45 * @return {@code non-null;} the field in question 46 */ get(int n)47 public Field get(int n); 48 } 49