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 * @deprecated Replaced by <a href="https://hadoop.apache.org/avro/">Avro</a>. 027 */ 028@Deprecated 029@InterfaceAudience.Public 030@InterfaceStability.Stable 031public class JString extends JCompType { 032 033 class JavaString extends JavaCompType { 034 035 JavaString() { 036 super("String", "String", "String", "TypeID.RIOType.STRING"); 037 } 038 039 @Override 040 String getTypeIDObjectString() { 041 return "org.apache.hadoop.record.meta.TypeID.StringTypeID"; 042 } 043 044 @Override 045 void genSlurpBytes(CodeBuffer cb, String b, String s, String l) { 046 cb.append("{\n"); 047 cb.append("int i = org.apache.hadoop.record.Utils.readVInt("+b+", "+s+");\n"); 048 cb.append("int z = org.apache.hadoop.record.Utils.getVIntSize(i);\n"); 049 cb.append(s+"+=(z+i); "+l+"-= (z+i);\n"); 050 cb.append("}\n"); 051 } 052 053 @Override 054 void genCompareBytes(CodeBuffer cb) { 055 cb.append("{\n"); 056 cb.append("int i1 = org.apache.hadoop.record.Utils.readVInt(b1, s1);\n"); 057 cb.append("int i2 = org.apache.hadoop.record.Utils.readVInt(b2, s2);\n"); 058 cb.append("int z1 = org.apache.hadoop.record.Utils.getVIntSize(i1);\n"); 059 cb.append("int z2 = org.apache.hadoop.record.Utils.getVIntSize(i2);\n"); 060 cb.append("s1+=z1; s2+=z2; l1-=z1; l2-=z2;\n"); 061 cb.append("int r1 = org.apache.hadoop.record.Utils.compareBytes(b1,s1,i1,b2,s2,i2);\n"); 062 cb.append("if (r1 != 0) { return (r1<0)?-1:0; }\n"); 063 cb.append("s1+=i1; s2+=i2; l1-=i1; l1-=i2;\n"); 064 cb.append("}\n"); 065 } 066 067 @Override 068 void genClone(CodeBuffer cb, String fname) { 069 cb.append(Consts.RIO_PREFIX + "other."+fname+" = this."+fname+";\n"); 070 } 071 } 072 073 class CppString extends CppCompType { 074 075 CppString() { 076 super("::std::string"); 077 } 078 079 @Override 080 String getTypeIDObjectString() { 081 return "new ::hadoop::TypeID(::hadoop::RIOTYPE_STRING)"; 082 } 083 } 084 085 /** Creates a new instance of JString */ 086 public JString() { 087 setJavaType(new JavaString()); 088 setCppType(new CppString()); 089 setCType(new CCompType()); 090 } 091 092 @Override 093 String getSignature() { 094 return "s"; 095 } 096}