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 */ 018 019 package org.apache.hadoop.record.compiler; 020 021 import org.apache.hadoop.classification.InterfaceAudience; 022 import org.apache.hadoop.classification.InterfaceStability; 023 024 /** 025 * Code generator for "byte" type. 026 * 027 * @deprecated Replaced by <a href="https://hadoop.apache.org/avro/">Avro</a>. 028 */ 029 @Deprecated 030 @InterfaceAudience.Public 031 @InterfaceStability.Stable 032 public class JByte extends JType { 033 034 class JavaByte extends JavaType { 035 036 JavaByte() { 037 super("byte", "Byte", "Byte", "TypeID.RIOType.BYTE"); 038 } 039 040 @Override 041 String getTypeIDObjectString() { 042 return "org.apache.hadoop.record.meta.TypeID.ByteTypeID"; 043 } 044 045 @Override 046 void genSlurpBytes(CodeBuffer cb, String b, String s, String l) { 047 cb.append("{\n"); 048 cb.append("if ("+l+"<1) {\n"); 049 cb.append("throw new java.io.IOException(\"Byte is exactly 1 byte."+ 050 " Provided buffer is smaller.\");\n"); 051 cb.append("}\n"); 052 cb.append(s+"++; "+l+"--;\n"); 053 cb.append("}\n"); 054 } 055 056 @Override 057 void genCompareBytes(CodeBuffer cb) { 058 cb.append("{\n"); 059 cb.append("if (l1<1 || l2<1) {\n"); 060 cb.append("throw new java.io.IOException(\"Byte is exactly 1 byte."+ 061 " Provided buffer is smaller.\");\n"); 062 cb.append("}\n"); 063 cb.append("if (b1[s1] != b2[s2]) {\n"); 064 cb.append("return (b1[s1]<b2[s2])?-1:0;\n"); 065 cb.append("}\n"); 066 cb.append("s1++; s2++; l1--; l2--;\n"); 067 cb.append("}\n"); 068 } 069 } 070 071 class CppByte extends CppType { 072 073 CppByte() { 074 super("int8_t"); 075 } 076 077 @Override 078 String getTypeIDObjectString() { 079 return "new ::hadoop::TypeID(::hadoop::RIOTYPE_BYTE)"; 080 } 081 } 082 083 public JByte() { 084 setJavaType(new JavaByte()); 085 setCppType(new CppByte()); 086 setCType(new CType()); 087 } 088 089 @Override 090 String getSignature() { 091 return "b"; 092 } 093 }