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="http://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 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 }