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