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 * 017 */ 018package org.apache.bcel.generic; 019 020/** 021 * Denotes that an instruction may start the process of loading and resolving 022 * the referenced class in the Virtual Machine. 023 * 024 */ 025public interface LoadClass { 026 027 /** 028 * Returns the ObjectType of the referenced class or interface 029 * that may be loaded and resolved. 030 * @return object type that may be loaded or null if a primitive is 031 * referenced 032 */ 033 ObjectType getLoadClassType( ConstantPoolGen cpg ); 034 035 036 /** 037 * Returns the type associated with this instruction. 038 * LoadClass instances are always typed, but this type 039 * does not always refer to the type of the class or interface 040 * that it possibly forces to load. For example, GETFIELD would 041 * return the type of the field and not the type of the class 042 * where the field is defined. 043 * If no class is forced to be loaded, <B>null</B> is returned. 044 * An example for this is an ANEWARRAY instruction that creates 045 * an int[][]. 046 * @see #getLoadClassType(ConstantPoolGen) 047 */ 048 Type getType( ConstantPoolGen cpg ); 049}