| /* |
| * 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.drill.exec.vector; |
| |
| import org.apache.drill.common.types.Types; |
| import org.apache.drill.exec.expr.ClassGenerator; |
| import org.apache.drill.exec.record.TypedFieldId; |
| import org.apache.drill.exec.record.VectorAccessible; |
| import org.apache.drill.exec.record.VectorWrapper; |
| |
| import com.sun.codemodel.JExpr; |
| import com.sun.codemodel.JExpression; |
| import com.sun.codemodel.JVar; |
| |
| public class CopyUtil { |
| |
| public static void generateCopies(ClassGenerator<?> g, VectorAccessible batch, boolean hyper) { |
| // we have parallel ids for each value vector so we don't actually have to deal with managing the ids at all. |
| int fieldId = 0; |
| |
| JExpression inIndex = JExpr.direct("inIndex"); |
| JExpression outIndex = JExpr.direct("outIndex"); |
| for (VectorWrapper<?> vv : batch) { |
| String copyMethod; |
| if (!Types.isFixedWidthType(vv.getField().getType()) || |
| Types.isRepeated(vv.getField().getType()) || |
| Types.isComplex(vv.getField().getType())) { |
| copyMethod = "copyFromSafe"; |
| } else { |
| copyMethod = "copyFrom"; |
| } |
| g.rotateBlock(); |
| TypedFieldId inFieldId = new TypedFieldId.Builder().finalType(vv.getField().getType()) |
| .hyper(vv.isHyper()) |
| .addId(fieldId) |
| .build(); |
| JVar inVV = g.declareVectorValueSetupAndMember("incoming", inFieldId); |
| TypedFieldId outFieldId = new TypedFieldId.Builder().finalType(vv.getField().getType()) |
| .hyper(false) |
| .addId(fieldId) |
| .build(); |
| JVar outVV = g.declareVectorValueSetupAndMember("outgoing", outFieldId); |
| |
| if (hyper) { |
| g.getEvalBlock().add(outVV |
| .invoke(copyMethod) |
| .arg(inIndex.band(JExpr.lit((int) Character.MAX_VALUE))) |
| .arg(outIndex) |
| .arg(inVV.component(inIndex.shrz(JExpr.lit(16))))); |
| } else { |
| g.getEvalBlock().add(outVV.invoke(copyMethod).arg(inIndex).arg(outIndex).arg(inVV)); |
| } |
| |
| g.rotateBlock(); |
| fieldId++; |
| } |
| } |
| } |