001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.bcel.generic; 018 019/** 020 * Denotes that an instruction may start the process of loading and resolving the referenced class in the Virtual 021 * Machine. 022 */ 023public interface LoadClass { 024 025 /** 026 * Returns the ObjectType of the referenced class or interface that may be loaded and resolved. 027 * 028 * @return object type that may be loaded or null if a primitive is referenced 029 */ 030 ObjectType getLoadClassType(ConstantPoolGen cpg); 031 032 /** 033 * Returns the type associated with this instruction. LoadClass instances are always typed, but this type does not 034 * always refer to the type of the class or interface that it possibly forces to load. For example, GETFIELD would 035 * return the type of the field and not the type of the class where the field is defined. If no class is forced to be 036 * loaded, <B>null</B> is returned. An example for this is an ANEWARRAY instruction that creates an int[][]. 037 * 038 * @see #getLoadClassType(ConstantPoolGen) 039 */ 040 Type getType(ConstantPoolGen cpg); 041}