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/** 026 * Code generator for "int" type 027 * 028 * @deprecated Replaced by <a href="https://hadoop.apache.org/avro/">Avro</a>. 029 */ 030@Deprecated 031@InterfaceAudience.Public 032@InterfaceStability.Stable 033public class JInt extends JType { 034 035 class JavaInt extends JavaType { 036 037 JavaInt() { 038 super("int", "Int", "Integer", "TypeID.RIOType.INT"); 039 } 040 041 @Override 042 String getTypeIDObjectString() { 043 return "org.apache.hadoop.record.meta.TypeID.IntTypeID"; 044 } 045 046 @Override 047 void genSlurpBytes(CodeBuffer cb, String b, String s, String l) { 048 cb.append("{\n"); 049 cb.append("int i = org.apache.hadoop.record.Utils.readVInt("+b+", "+s+");\n"); 050 cb.append("int z = org.apache.hadoop.record.Utils.getVIntSize(i);\n"); 051 cb.append(s+"+=z; "+l+"-=z;\n"); 052 cb.append("}\n"); 053 } 054 055 @Override 056 void genCompareBytes(CodeBuffer cb) { 057 cb.append("{\n"); 058 cb.append("int i1 = org.apache.hadoop.record.Utils.readVInt(b1, s1);\n"); 059 cb.append("int i2 = org.apache.hadoop.record.Utils.readVInt(b2, s2);\n"); 060 cb.append("if (i1 != i2) {\n"); 061 cb.append("return ((i1-i2) < 0) ? -1 : 0;\n"); 062 cb.append("}\n"); 063 cb.append("int z1 = org.apache.hadoop.record.Utils.getVIntSize(i1);\n"); 064 cb.append("int z2 = org.apache.hadoop.record.Utils.getVIntSize(i2);\n"); 065 cb.append("s1+=z1; s2+=z2; l1-=z1; l2-=z2;\n"); 066 cb.append("}\n"); 067 } 068 } 069 070 class CppInt extends CppType { 071 072 CppInt() { 073 super("int32_t"); 074 } 075 076 @Override 077 String getTypeIDObjectString() { 078 return "new ::hadoop::TypeID(::hadoop::RIOTYPE_INT)"; 079 } 080 } 081 082 /** Creates a new instance of JInt */ 083 public JInt() { 084 setJavaType(new JavaInt()); 085 setCppType(new CppInt()); 086 setCType(new CType()); 087 } 088 089 @Override 090 String getSignature() { 091 return "i"; 092 } 093}