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     * @deprecated Replaced by <a href="https://hadoop.apache.org/avro/">Avro</a>.
027     */
028    @Deprecated
029    @InterfaceAudience.Public
030    @InterfaceStability.Stable
031    public class JBoolean extends JType {
032      
033      class JavaBoolean extends JType.JavaType {
034        
035        JavaBoolean() {
036          super("boolean", "Bool", "Boolean", "TypeID.RIOType.BOOL");
037        }
038        
039        @Override
040        void genCompareTo(CodeBuffer cb, String fname, String other) {
041          cb.append(Consts.RIO_PREFIX + "ret = ("+fname+" == "+other+")? 0 : ("+
042              fname+"?1:-1);\n");
043        }
044        
045        @Override
046        String getTypeIDObjectString() {
047          return "org.apache.hadoop.record.meta.TypeID.BoolTypeID";
048        }
049    
050        @Override
051        void genHashCode(CodeBuffer cb, String fname) {
052          cb.append(Consts.RIO_PREFIX + "ret = ("+fname+")?0:1;\n");
053        }
054        
055        // In Binary format, boolean is written as byte. true = 1, false = 0
056        @Override
057        void genSlurpBytes(CodeBuffer cb, String b, String s, String l) {
058          cb.append("{\n");
059          cb.append("if ("+l+"<1) {\n");
060          cb.append("throw new java.io.IOException(\"Boolean is exactly 1 byte."+
061                    " Provided buffer is smaller.\");\n");
062          cb.append("}\n");
063          cb.append(s+"++; "+l+"--;\n");
064          cb.append("}\n");
065        }
066        
067        // In Binary format, boolean is written as byte. true = 1, false = 0
068        @Override
069        void genCompareBytes(CodeBuffer cb) {
070          cb.append("{\n");
071          cb.append("if (l1<1 || l2<1) {\n");
072          cb.append("throw new java.io.IOException(\"Boolean is exactly 1 byte."+
073                    " Provided buffer is smaller.\");\n");
074          cb.append("}\n");
075          cb.append("if (b1[s1] != b2[s2]) {\n");
076          cb.append("return (b1[s1]<b2[s2])? -1 : 0;\n");
077          cb.append("}\n");
078          cb.append("s1++; s2++; l1--; l2--;\n");
079          cb.append("}\n");
080        }
081      }
082      
083      class CppBoolean extends CppType {
084        
085        CppBoolean() {
086          super("bool");
087        }
088        
089        @Override
090        String getTypeIDObjectString() {
091          return "new ::hadoop::TypeID(::hadoop::RIOTYPE_BOOL)";
092        }
093      }
094    
095      /** Creates a new instance of JBoolean */
096      public JBoolean() {
097        setJavaType(new JavaBoolean());
098        setCppType(new CppBoolean());
099        setCType(new CType());
100      }
101      
102      @Override
103      String getSignature() {
104        return "z";
105      }
106    }