| /* |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.flink.table.dataformat.vector; |
| |
| /** |
| * This class represents a nullable int column vector. |
| * This class will be used for operations on all int types |
| * The vector[] field is public by design for high-performance access in the inner |
| * loop of query execution. |
| */ |
| public class IntegerColumnVector extends ColumnVector { |
| private static final long serialVersionUID = -2749499358889718254L; |
| |
| public int[] vector; |
| |
| /** |
| * Don't use this except for testing purposes. |
| * |
| * @param len the number of rows |
| */ |
| public IntegerColumnVector(int len) { |
| super(len); |
| vector = new int[len]; |
| } |
| |
| @Override |
| public Object get(int index) { |
| return vector[index]; |
| } |
| |
| // Copy the current object contents into the output. Only copy selected entries, |
| // as indicated by selectedInUse and the sel array. |
| @Override |
| public void copySelected(boolean selectedInUse, int[] sel, int size, ColumnVector output) { |
| |
| // Output has nulls if and only if input has nulls. |
| output.noNulls = noNulls; |
| |
| // Copy data values over |
| if (selectedInUse) { |
| for (int j = 0; j < size; j++) { |
| int i = sel[j]; |
| ((IntegerColumnVector) output).vector[i] = vector[i]; |
| } |
| } else { |
| System.arraycopy(vector, 0, ((IntegerColumnVector) output).vector, 0, size); |
| } |
| |
| // Copy nulls over if needed |
| super.copySelected(selectedInUse, sel, size, output); |
| } |
| |
| @Override |
| public void setElement(int outElementNum, int inputElementNum, ColumnVector inputVector) { |
| if (inputVector.noNulls || !inputVector.isNull[inputElementNum]) { |
| isNull[outElementNum] = false; |
| vector[outElementNum] = ((IntegerColumnVector) inputVector).vector[inputElementNum]; |
| } else { |
| isNull[outElementNum] = true; |
| noNulls = false; |
| } |
| } |
| |
| @Override |
| public void shallowCopyTo(ColumnVector otherCv) { |
| IntegerColumnVector other = (IntegerColumnVector) otherCv; |
| super.shallowCopyTo(other); |
| other.vector = vector; |
| } |
| } |