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Apache Commons Compress software defines an API for working with
compression and archive formats. These include: bzip2, gzip, pack200,
lzma, xz, Snappy, traditional Unix Compress, DEFLATE, DEFLATE64, LZ4,
Brotli, Zstandard and ar, cpio, jar, tar, zip, dump, 7z, arj.
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with this
* work for additional information regarding copyright ownership. The ASF
* licenses this file to You under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law
* or agreed to in writing, software distributed under the License is
* distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the specific language
* governing permissions and limitations under the License.
*/
package org.apache.commons.compress.harmony.unpack200.bytecode;
/**
* Interface method reference constant pool entry.
*/
public class CPInterfaceMethodRef extends CPRef {
public CPInterfaceMethodRef(final CPClass className, final CPNameAndType descriptor, final int globalIndex) {
super(ConstantPoolEntry.CP_InterfaceMethodref, className, descriptor, globalIndex);
}
/**
* This method answers the value this method will use for an invokeinterface call. This is equal to 1 + the count of
* all the args, where longs and doubles count for 2 and all others count for 1.
*
* @return integer count
*/
public int invokeInterfaceCount() {
return nameAndType.invokeInterfaceCount();
}
private boolean hashcodeComputed;
private int cachedHashCode;
private void generateHashCode() {
hashcodeComputed = true;
final int PRIME = 31;
int result = 1;
result = PRIME * result + className.hashCode();
result = PRIME * result + nameAndType.hashCode();
cachedHashCode = result;
}
@Override
public int hashCode() {
if (!hashcodeComputed) {
generateHashCode();
}
return cachedHashCode;
}
}