001/** 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018 019package org.apache.hadoop.record.compiler; 020 021import org.apache.hadoop.classification.InterfaceAudience; 022import org.apache.hadoop.classification.InterfaceStability; 023 024/** 025 * Code generator for "long" type 026 * 027 * @deprecated Replaced by <a href="https://hadoop.apache.org/avro/">Avro</a>. 028 */ 029@Deprecated 030@InterfaceAudience.Public 031@InterfaceStability.Stable 032public class JLong extends JType { 033 034 class JavaLong extends JavaType { 035 036 JavaLong() { 037 super("long", "Long", "Long", "TypeID.RIOType.LONG"); 038 } 039 040 @Override 041 String getTypeIDObjectString() { 042 return "org.apache.hadoop.record.meta.TypeID.LongTypeID"; 043 } 044 045 @Override 046 void genHashCode(CodeBuffer cb, String fname) { 047 cb.append(Consts.RIO_PREFIX + "ret = (int) ("+fname+"^("+ 048 fname+">>>32));\n"); 049 } 050 051 @Override 052 void genSlurpBytes(CodeBuffer cb, String b, String s, String l) { 053 cb.append("{\n"); 054 cb.append("long i = org.apache.hadoop.record.Utils.readVLong("+b+", "+s+");\n"); 055 cb.append("int z = org.apache.hadoop.record.Utils.getVIntSize(i);\n"); 056 cb.append(s+"+=z; "+l+"-=z;\n"); 057 cb.append("}\n"); 058 } 059 060 @Override 061 void genCompareBytes(CodeBuffer cb) { 062 cb.append("{\n"); 063 cb.append("long i1 = org.apache.hadoop.record.Utils.readVLong(b1, s1);\n"); 064 cb.append("long i2 = org.apache.hadoop.record.Utils.readVLong(b2, s2);\n"); 065 cb.append("if (i1 != i2) {\n"); 066 cb.append("return ((i1-i2) < 0) ? -1 : 0;\n"); 067 cb.append("}\n"); 068 cb.append("int z1 = org.apache.hadoop.record.Utils.getVIntSize(i1);\n"); 069 cb.append("int z2 = org.apache.hadoop.record.Utils.getVIntSize(i2);\n"); 070 cb.append("s1+=z1; s2+=z2; l1-=z1; l2-=z2;\n"); 071 cb.append("}\n"); 072 } 073 } 074 075 class CppLong extends CppType { 076 077 CppLong() { 078 super("int64_t"); 079 } 080 081 @Override 082 String getTypeIDObjectString() { 083 return "new ::hadoop::TypeID(::hadoop::RIOTYPE_LONG)"; 084 } 085 } 086 087 /** Creates a new instance of JLong */ 088 public JLong() { 089 setJavaType(new JavaLong()); 090 setCppType(new CppLong()); 091 setCType(new CType()); 092 } 093 094 @Override 095 String getSignature() { 096 return "l"; 097 } 098}