| /** |
| * 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.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| |
| |
| /** |
| * Code generator for "buffer" type. |
| * |
| * @deprecated Replaced by <a href="http://hadoop.apache.org/avro/">Avro</a>. |
| */ |
| @Deprecated |
| @InterfaceAudience.Public |
| @InterfaceStability.Stable |
| public class JBuffer extends JCompType { |
| |
| class JavaBuffer extends JavaCompType { |
| |
| JavaBuffer() { |
| super("org.apache.hadoop.record.Buffer", "Buffer", |
| "org.apache.hadoop.record.Buffer", "TypeID.RIOType.BUFFER"); |
| } |
| |
| String getTypeIDObjectString() { |
| return "org.apache.hadoop.record.meta.TypeID.BufferTypeID"; |
| } |
| |
| void genCompareTo(CodeBuffer cb, String fname, String other) { |
| cb.append(Consts.RIO_PREFIX + "ret = "+fname+".compareTo("+other+");\n"); |
| } |
| |
| void genEquals(CodeBuffer cb, String fname, String peer) { |
| cb.append(Consts.RIO_PREFIX + "ret = "+fname+".equals("+peer+");\n"); |
| } |
| |
| void genHashCode(CodeBuffer cb, String fname) { |
| cb.append(Consts.RIO_PREFIX + "ret = "+fname+".hashCode();\n"); |
| } |
| |
| void genSlurpBytes(CodeBuffer cb, String b, String s, String l) { |
| cb.append("{\n"); |
| cb.append("int i = org.apache.hadoop.record.Utils.readVInt("+ |
| b+", "+s+");\n"); |
| cb.append("int z = org.apache.hadoop.record.Utils.getVIntSize(i);\n"); |
| cb.append(s+" += z+i; "+l+" -= (z+i);\n"); |
| cb.append("}\n"); |
| } |
| |
| void genCompareBytes(CodeBuffer cb) { |
| cb.append("{\n"); |
| cb.append("int i1 = org.apache.hadoop.record.Utils.readVInt(b1, s1);\n"); |
| cb.append("int i2 = org.apache.hadoop.record.Utils.readVInt(b2, s2);\n"); |
| cb.append("int z1 = org.apache.hadoop.record.Utils.getVIntSize(i1);\n"); |
| cb.append("int z2 = org.apache.hadoop.record.Utils.getVIntSize(i2);\n"); |
| cb.append("s1+=z1; s2+=z2; l1-=z1; l2-=z2;\n"); |
| cb.append("int r1 = org.apache.hadoop.record.Utils.compareBytes(b1,s1,i1,b2,s2,i2);\n"); |
| cb.append("if (r1 != 0) { return (r1<0)?-1:0; }\n"); |
| cb.append("s1+=i1; s2+=i2; l1-=i1; l1-=i2;\n"); |
| cb.append("}\n"); |
| } |
| } |
| |
| class CppBuffer extends CppCompType { |
| |
| CppBuffer() { |
| super(" ::std::string"); |
| } |
| |
| void genGetSet(CodeBuffer cb, String fname) { |
| cb.append("virtual const "+getType()+"& get"+toCamelCase(fname)+"() const {\n"); |
| cb.append("return "+fname+";\n"); |
| cb.append("}\n"); |
| cb.append("virtual "+getType()+"& get"+toCamelCase(fname)+"() {\n"); |
| cb.append("return "+fname+";\n"); |
| cb.append("}\n"); |
| } |
| |
| String getTypeIDObjectString() { |
| return "new ::hadoop::TypeID(::hadoop::RIOTYPE_BUFFER)"; |
| } |
| |
| } |
| /** Creates a new instance of JBuffer */ |
| public JBuffer() { |
| setJavaType(new JavaBuffer()); |
| setCppType(new CppBuffer()); |
| setCType(new CCompType()); |
| } |
| |
| String getSignature() { |
| return "B"; |
| } |
| } |