| /** |
| * 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 java.util.Map; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| |
| |
| /** |
| * Abstract Base class for all types supported by Hadoop Record I/O. |
| * |
| * @deprecated Replaced by <a href="http://hadoop.apache.org/avro/">Avro</a>. |
| */ |
| @Deprecated |
| @InterfaceAudience.Public |
| @InterfaceStability.Stable |
| abstract public class JType { |
| |
| static String toCamelCase(String name) { |
| char firstChar = name.charAt(0); |
| if (Character.isLowerCase(firstChar)) { |
| return ""+Character.toUpperCase(firstChar) + name.substring(1); |
| } |
| return name; |
| } |
| |
| JavaType javaType; |
| CppType cppType; |
| CType cType; |
| |
| abstract class JavaType { |
| private String name; |
| private String methodSuffix; |
| private String wrapper; |
| private String typeIDByteString; // points to TypeID.RIOType |
| |
| JavaType(String javaname, |
| String suffix, |
| String wrapper, |
| String typeIDByteString) { |
| this.name = javaname; |
| this.methodSuffix = suffix; |
| this.wrapper = wrapper; |
| this.typeIDByteString = typeIDByteString; |
| } |
| |
| void genDecl(CodeBuffer cb, String fname) { |
| cb.append("private "+name+" "+fname+";\n"); |
| } |
| |
| void genStaticTypeInfo(CodeBuffer cb, String fname) { |
| cb.append(Consts.RTI_VAR + ".addField(\"" + fname + "\", " + |
| getTypeIDObjectString() + ");\n"); |
| } |
| |
| abstract String getTypeIDObjectString(); |
| |
| void genSetRTIFilter(CodeBuffer cb, Map<String, Integer> nestedStructMap) { |
| // do nothing by default |
| return; |
| } |
| |
| /*void genRtiFieldCondition(CodeBuffer cb, String fname, int ct) { |
| cb.append("if ((tInfo.fieldID.equals(\"" + fname + "\")) && (typeVal ==" + |
| " org.apache.hadoop.record.meta." + getTypeIDByteString() + ")) {\n"); |
| cb.append("rtiFilterFields[i] = " + ct + ";\n"); |
| cb.append("}\n"); |
| } |
| |
| void genRtiNestedFieldCondition(CodeBuffer cb, String varName, int ct) { |
| cb.append("if (" + varName + ".getElementTypeID().getTypeVal() == " + |
| "org.apache.hadoop.record.meta." + getTypeIDByteString() + |
| ") {\n"); |
| cb.append("rtiFilterFields[i] = " + ct + ";\n"); |
| cb.append("}\n"); |
| }*/ |
| |
| void genConstructorParam(CodeBuffer cb, String fname) { |
| cb.append("final "+name+" "+fname); |
| } |
| |
| void genGetSet(CodeBuffer cb, String fname) { |
| cb.append("public "+name+" get"+toCamelCase(fname)+"() {\n"); |
| cb.append("return "+fname+";\n"); |
| cb.append("}\n"); |
| cb.append("public void set"+toCamelCase(fname)+"(final "+name+" "+fname+") {\n"); |
| cb.append("this."+fname+"="+fname+";\n"); |
| cb.append("}\n"); |
| } |
| |
| String getType() { |
| return name; |
| } |
| |
| String getWrapperType() { |
| return wrapper; |
| } |
| |
| String getMethodSuffix() { |
| return methodSuffix; |
| } |
| |
| String getTypeIDByteString() { |
| return typeIDByteString; |
| } |
| |
| void genWriteMethod(CodeBuffer cb, String fname, String tag) { |
| cb.append(Consts.RECORD_OUTPUT + ".write"+methodSuffix + |
| "("+fname+",\""+tag+"\");\n"); |
| } |
| |
| void genReadMethod(CodeBuffer cb, String fname, String tag, boolean decl) { |
| if (decl) { |
| cb.append(name+" "+fname+";\n"); |
| } |
| cb.append(fname+"=" + Consts.RECORD_INPUT + ".read" + |
| methodSuffix+"(\""+tag+"\");\n"); |
| } |
| |
| void genCompareTo(CodeBuffer cb, String fname, String other) { |
| cb.append(Consts.RIO_PREFIX + "ret = ("+fname+" == "+other+")? 0 :(("+ |
| fname+"<"+other+")?-1:1);\n"); |
| } |
| |
| abstract void genCompareBytes(CodeBuffer cb); |
| |
| abstract void genSlurpBytes(CodeBuffer cb, String b, String s, String l); |
| |
| void genEquals(CodeBuffer cb, String fname, String peer) { |
| cb.append(Consts.RIO_PREFIX + "ret = ("+fname+"=="+peer+");\n"); |
| } |
| |
| void genHashCode(CodeBuffer cb, String fname) { |
| cb.append(Consts.RIO_PREFIX + "ret = (int)"+fname+";\n"); |
| } |
| |
| void genConstructorSet(CodeBuffer cb, String fname) { |
| cb.append("this."+fname+" = "+fname+";\n"); |
| } |
| |
| void genClone(CodeBuffer cb, String fname) { |
| cb.append(Consts.RIO_PREFIX + "other."+fname+" = this."+fname+";\n"); |
| } |
| } |
| |
| abstract class CppType { |
| private String name; |
| |
| CppType(String cppname) { |
| name = cppname; |
| } |
| |
| void genDecl(CodeBuffer cb, String fname) { |
| cb.append(name+" "+fname+";\n"); |
| } |
| |
| void genStaticTypeInfo(CodeBuffer cb, String fname) { |
| cb.append("p->addField(new ::std::string(\"" + |
| fname + "\"), " + getTypeIDObjectString() + ");\n"); |
| } |
| |
| void genGetSet(CodeBuffer cb, String fname) { |
| cb.append("virtual "+name+" get"+toCamelCase(fname)+"() const {\n"); |
| cb.append("return "+fname+";\n"); |
| cb.append("}\n"); |
| cb.append("virtual void set"+toCamelCase(fname)+"("+name+" m_) {\n"); |
| cb.append(fname+"=m_;\n"); |
| cb.append("}\n"); |
| } |
| |
| abstract String getTypeIDObjectString(); |
| |
| void genSetRTIFilter(CodeBuffer cb) { |
| // do nothing by default |
| return; |
| } |
| |
| String getType() { |
| return name; |
| } |
| } |
| |
| class CType { |
| |
| } |
| |
| abstract String getSignature(); |
| |
| void setJavaType(JavaType jType) { |
| this.javaType = jType; |
| } |
| |
| JavaType getJavaType() { |
| return javaType; |
| } |
| |
| void setCppType(CppType cppType) { |
| this.cppType = cppType; |
| } |
| |
| CppType getCppType() { |
| return cppType; |
| } |
| |
| void setCType(CType cType) { |
| this.cType = cType; |
| } |
| |
| CType getCType() { |
| return cType; |
| } |
| } |