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    /**
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
033    public 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    }