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    String getTypeIDObjectString() {
042      return "org.apache.hadoop.record.meta.TypeID.IntTypeID";
043    }
044
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; "+l+"-=z;\n");
050      cb.append("}\n");
051    }
052    
053    void genCompareBytes(CodeBuffer cb) {
054      cb.append("{\n");
055      cb.append("int i1 = org.apache.hadoop.record.Utils.readVInt(b1, s1);\n");
056      cb.append("int i2 = org.apache.hadoop.record.Utils.readVInt(b2, s2);\n");
057      cb.append("if (i1 != i2) {\n");
058      cb.append("return ((i1-i2) < 0) ? -1 : 0;\n");
059      cb.append("}\n");
060      cb.append("int z1 = org.apache.hadoop.record.Utils.getVIntSize(i1);\n");
061      cb.append("int z2 = org.apache.hadoop.record.Utils.getVIntSize(i2);\n");
062      cb.append("s1+=z1; s2+=z2; l1-=z1; l2-=z2;\n");
063      cb.append("}\n");
064    }
065  }
066
067  class CppInt extends CppType {
068    
069    CppInt() {
070      super("int32_t");
071    }
072    
073    String getTypeIDObjectString() {
074      return "new ::hadoop::TypeID(::hadoop::RIOTYPE_INT)";
075    }
076  }
077
078  /** Creates a new instance of JInt */
079  public JInt() {
080    setJavaType(new JavaInt());
081    setCppType(new CppInt());
082    setCType(new CType());
083  }
084  
085  String getSignature() {
086    return "i";
087  }
088}