| /** |
| * 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; |
| |
| /** |
| */ |
| public class JFloat extends JType { |
| |
| class JavaFloat extends JavaType { |
| |
| JavaFloat() { |
| super("float", "Float", "Float", "TypeID.RIOType.FLOAT"); |
| } |
| |
| String getTypeIDObjectString() { |
| return "org.apache.hadoop.record.meta.TypeID.FloatTypeID"; |
| } |
| |
| void genHashCode(CodeBuffer cb, String fname) { |
| cb.append(Consts.RIO_PREFIX + "ret = Float.floatToIntBits("+fname+");\n"); |
| } |
| |
| void genSlurpBytes(CodeBuffer cb, String b, String s, String l) { |
| cb.append("{\n"); |
| cb.append("if ("+l+"<4) {\n"); |
| cb.append("throw new java.io.IOException(\"Float is exactly 4 bytes."+ |
| " Provided buffer is smaller.\");\n"); |
| cb.append("}\n"); |
| cb.append(s+"+=4; "+l+"-=4;\n"); |
| cb.append("}\n"); |
| } |
| |
| void genCompareBytes(CodeBuffer cb) { |
| cb.append("{\n"); |
| cb.append("if (l1<4 || l2<4) {\n"); |
| cb.append("throw new java.io.IOException(\"Float is exactly 4 bytes."+ |
| " Provided buffer is smaller.\");\n"); |
| cb.append("}\n"); |
| cb.append("float f1 = org.apache.hadoop.record.Utils.readFloat(b1, s1);\n"); |
| cb.append("float f2 = org.apache.hadoop.record.Utils.readFloat(b2, s2);\n"); |
| cb.append("if (f1 != f2) {\n"); |
| cb.append("return ((f1-f2) < 0) ? -1 : 0;\n"); |
| cb.append("}\n"); |
| cb.append("s1+=4; s2+=4; l1-=4; l2-=4;\n"); |
| cb.append("}\n"); |
| } |
| } |
| |
| class CppFloat extends CppType { |
| |
| CppFloat() { |
| super("float"); |
| } |
| |
| String getTypeIDObjectString() { |
| return "new ::hadoop::TypeID(::hadoop::RIOTYPE_FLOAT)"; |
| } |
| } |
| |
| /** Creates a new instance of JFloat */ |
| public JFloat() { |
| setJavaType(new JavaFloat()); |
| setCppType(new CppFloat()); |
| setCType(new CType()); |
| } |
| |
| String getSignature() { |
| return "f"; |
| } |
| } |