| /** |
| * 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; |
| |
| /** |
| */ |
| public class JVector extends JCompType { |
| |
| static private int level = 0; |
| |
| static private String getId(String id) { return id+getLevel(); } |
| |
| static private String getLevel() { return Integer.toString(level); } |
| |
| static private void incrLevel() { level++; } |
| |
| static private void decrLevel() { level--; } |
| |
| private JType type; |
| |
| class JavaVector extends JavaCompType { |
| |
| private JType.JavaType element; |
| |
| JavaVector(JType.JavaType t) { |
| super("java.util.ArrayList<"+t.getWrapperType()+">", |
| "Vector", "java.util.ArrayList<"+t.getWrapperType()+">", |
| "TypeID.RIOType.VECTOR"); |
| element = t; |
| } |
| |
| String getTypeIDObjectString() { |
| return "new org.apache.hadoop.record.meta.VectorTypeID(" + |
| element.getTypeIDObjectString() + ")"; |
| } |
| |
| void genSetRTIFilter(CodeBuffer cb, Map<String, Integer> nestedStructMap) { |
| element.genSetRTIFilter(cb, nestedStructMap); |
| } |
| |
| void genCompareTo(CodeBuffer cb, String fname, String other) { |
| cb.append("{\n"); |
| incrLevel(); |
| cb.append("int "+getId(Consts.RIO_PREFIX + "len1")+" = "+fname+ |
| ".size();\n"); |
| cb.append("int "+getId(Consts.RIO_PREFIX + "len2")+" = "+other+ |
| ".size();\n"); |
| cb.append("for(int "+getId(Consts.RIO_PREFIX + "vidx")+" = 0; "+ |
| getId(Consts.RIO_PREFIX + "vidx")+"<"+getId(Consts.RIO_PREFIX + "len1")+ |
| " && "+getId(Consts.RIO_PREFIX + "vidx")+"<"+ |
| getId(Consts.RIO_PREFIX + "len2")+"; "+ |
| getId(Consts.RIO_PREFIX + "vidx")+"++) {\n"); |
| cb.append(element.getType()+" "+getId(Consts.RIO_PREFIX + "e1")+ |
| " = "+fname+ |
| ".get("+getId(Consts.RIO_PREFIX + "vidx")+");\n"); |
| cb.append(element.getType()+" "+getId(Consts.RIO_PREFIX + "e2")+ |
| " = "+other+ |
| ".get("+getId(Consts.RIO_PREFIX + "vidx")+");\n"); |
| element.genCompareTo(cb, getId(Consts.RIO_PREFIX + "e1"), |
| getId(Consts.RIO_PREFIX + "e2")); |
| cb.append("if (" + Consts.RIO_PREFIX + "ret != 0) { return " + |
| Consts.RIO_PREFIX + "ret; }\n"); |
| cb.append("}\n"); |
| cb.append(Consts.RIO_PREFIX + "ret = ("+getId(Consts.RIO_PREFIX + "len1")+ |
| " - "+getId(Consts.RIO_PREFIX + "len2")+");\n"); |
| decrLevel(); |
| cb.append("}\n"); |
| } |
| |
| void genReadMethod(CodeBuffer cb, String fname, String tag, boolean decl) { |
| if (decl) { |
| cb.append(getType()+" "+fname+";\n"); |
| } |
| cb.append("{\n"); |
| incrLevel(); |
| cb.append("org.apache.hadoop.record.Index "+ |
| getId(Consts.RIO_PREFIX + "vidx")+" = " + |
| Consts.RECORD_INPUT + ".startVector(\""+tag+"\");\n"); |
| cb.append(fname+"=new "+getType()+"();\n"); |
| cb.append("for (; !"+getId(Consts.RIO_PREFIX + "vidx")+".done(); " + |
| getId(Consts.RIO_PREFIX + "vidx")+".incr()) {\n"); |
| element.genReadMethod(cb, getId(Consts.RIO_PREFIX + "e"), |
| getId(Consts.RIO_PREFIX + "e"), true); |
| cb.append(fname+".add("+getId(Consts.RIO_PREFIX + "e")+");\n"); |
| cb.append("}\n"); |
| cb.append(Consts.RECORD_INPUT + ".endVector(\""+tag+"\");\n"); |
| decrLevel(); |
| cb.append("}\n"); |
| } |
| |
| void genWriteMethod(CodeBuffer cb, String fname, String tag) { |
| cb.append("{\n"); |
| incrLevel(); |
| cb.append(Consts.RECORD_OUTPUT + ".startVector("+fname+",\""+tag+"\");\n"); |
| cb.append("int "+getId(Consts.RIO_PREFIX + "len")+" = "+fname+".size();\n"); |
| cb.append("for(int "+getId(Consts.RIO_PREFIX + "vidx")+" = 0; " + |
| getId(Consts.RIO_PREFIX + "vidx")+"<"+getId(Consts.RIO_PREFIX + "len")+ |
| "; "+getId(Consts.RIO_PREFIX + "vidx")+"++) {\n"); |
| cb.append(element.getType()+" "+getId(Consts.RIO_PREFIX + "e")+" = "+ |
| fname+".get("+getId(Consts.RIO_PREFIX + "vidx")+");\n"); |
| element.genWriteMethod(cb, getId(Consts.RIO_PREFIX + "e"), |
| getId(Consts.RIO_PREFIX + "e")); |
| cb.append("}\n"); |
| cb.append(Consts.RECORD_OUTPUT + ".endVector("+fname+",\""+tag+"\");\n"); |
| cb.append("}\n"); |
| decrLevel(); |
| } |
| |
| void genSlurpBytes(CodeBuffer cb, String b, String s, String l) { |
| cb.append("{\n"); |
| incrLevel(); |
| cb.append("int "+getId("vi")+ |
| " = org.apache.hadoop.record.Utils.readVInt("+b+", "+s+");\n"); |
| cb.append("int "+getId("vz")+ |
| " = org.apache.hadoop.record.Utils.getVIntSize("+getId("vi")+");\n"); |
| cb.append(s+"+="+getId("vz")+"; "+l+"-="+getId("vz")+";\n"); |
| cb.append("for (int "+getId("vidx")+" = 0; "+getId("vidx")+ |
| " < "+getId("vi")+"; "+getId("vidx")+"++)"); |
| element.genSlurpBytes(cb, b, s, l); |
| decrLevel(); |
| cb.append("}\n"); |
| } |
| |
| void genCompareBytes(CodeBuffer cb) { |
| cb.append("{\n"); |
| incrLevel(); |
| cb.append("int "+getId("vi1")+ |
| " = org.apache.hadoop.record.Utils.readVInt(b1, s1);\n"); |
| cb.append("int "+getId("vi2")+ |
| " = org.apache.hadoop.record.Utils.readVInt(b2, s2);\n"); |
| cb.append("int "+getId("vz1")+ |
| " = org.apache.hadoop.record.Utils.getVIntSize("+getId("vi1")+");\n"); |
| cb.append("int "+getId("vz2")+ |
| " = org.apache.hadoop.record.Utils.getVIntSize("+getId("vi2")+");\n"); |
| cb.append("s1+="+getId("vz1")+"; s2+="+getId("vz2")+ |
| "; l1-="+getId("vz1")+"; l2-="+getId("vz2")+";\n"); |
| cb.append("for (int "+getId("vidx")+" = 0; "+getId("vidx")+ |
| " < "+getId("vi1")+" && "+getId("vidx")+" < "+getId("vi2")+ |
| "; "+getId("vidx")+"++)"); |
| element.genCompareBytes(cb); |
| cb.append("if ("+getId("vi1")+" != "+getId("vi2")+ |
| ") { return ("+getId("vi1")+"<"+getId("vi2")+")?-1:0; }\n"); |
| decrLevel(); |
| cb.append("}\n"); |
| } |
| } |
| |
| class CppVector extends CppCompType { |
| |
| private JType.CppType element; |
| |
| CppVector(JType.CppType t) { |
| super("::std::vector< "+t.getType()+" >"); |
| element = t; |
| } |
| |
| String getTypeIDObjectString() { |
| return "new ::hadoop::VectorTypeID(" + |
| element.getTypeIDObjectString() + ")"; |
| } |
| |
| void genSetRTIFilter(CodeBuffer cb) { |
| element.genSetRTIFilter(cb); |
| } |
| |
| } |
| |
| /** Creates a new instance of JVector */ |
| public JVector(JType t) { |
| type = t; |
| setJavaType(new JavaVector(t.getJavaType())); |
| setCppType(new CppVector(t.getCppType())); |
| setCType(new CCompType()); |
| } |
| |
| String getSignature() { |
| return "[" + type.getSignature() + "]"; |
| } |
| } |