/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.record.compiler;
import org.apache.hadoop.record.compiler.JType.CType;
import org.apache.hadoop.record.compiler.JType.CppType;
/**
*/
public class JBoolean extends JType {
class JavaBoolean extends JType.JavaType {
JavaBoolean() {
super("boolean", "Bool", "Boolean");
}
void genCompareTo(CodeBuffer cb, String fname, String other) {
cb.append("ret = ("+fname+" == "+other+")? 0 : ("+fname+"?1:-1);\n");
}
void genHashCode(CodeBuffer cb, String fname) {
cb.append("ret = ("+fname+")?0:1;\n");
}
// In Binary format, boolean is written as byte. true = 1, false = 0
void genSlurpBytes(CodeBuffer cb, String b, String s, String l) {
cb.append("{\n");
cb.append("if ("+l+"<1) {\n");
cb.append("throw new java.io.IOException(\"Boolean is exactly 1 byte."+
" Provided buffer is smaller.\");\n");
cb.append("}\n");
cb.append(s+"++; "+l+"--;\n");
cb.append("}\n");
}
// In Binary format, boolean is written as byte. true = 1, false = 0
void genCompareBytes(CodeBuffer cb) {
cb.append("{\n");
cb.append("if (l1<1 || l2<1) {\n");
cb.append("throw new java.io.IOException(\"Boolean is exactly 1 byte."+
" Provided buffer is smaller.\");\n");
cb.append("}\n");
cb.append("if (b1[s1] != b2[s2]) {\n");
cb.append("return (b1[s1]<b2[s2])? -1 : 0;\n");
cb.append("}\n");
cb.append("s1++; s2++; l1--; l2--;\n");
cb.append("}\n");
}
}
/** Creates a new instance of JBoolean */
public JBoolean() {
setJavaType(new JavaBoolean());
setCppType(new CppType("bool"));
setCType(new CType());
}
String getSignature() {
return "z";
}
}