| /* |
| * 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.carbondata.core.datastore.page; |
| |
| import java.math.BigDecimal; |
| |
| import org.apache.carbondata.core.datastore.page.encoding.ColumnPageEncoderMeta; |
| import org.apache.carbondata.core.util.ByteUtil; |
| |
| /** |
| * Represent a columnar data in one page for one column of decimal data type |
| */ |
| public class SafeDecimalColumnPage extends DecimalColumnPage { |
| |
| // Only one of following fields will be used |
| private byte[] byteData; |
| private short[] shortData; |
| private int[] intData; |
| private long[] longData; |
| private byte[] shortIntData; |
| private byte[][] byteArrayData; |
| |
| SafeDecimalColumnPage(ColumnPageEncoderMeta columnPageEncoderMeta, int pageSize) { |
| super(columnPageEncoderMeta, pageSize); |
| byteArrayData = new byte[pageSize][]; |
| } |
| |
| @Override |
| public void setBytePage(byte[] byteData) { |
| this.byteData = byteData; |
| } |
| |
| @Override |
| public void setShortPage(short[] shortData) { |
| this.shortData = shortData; |
| } |
| |
| @Override |
| public void setShortIntPage(byte[] shortIntData) { |
| this.shortIntData = shortIntData; |
| } |
| |
| @Override |
| public void setIntPage(int[] intData) { |
| this.intData = intData; |
| } |
| |
| @Override |
| public void setLongPage(long[] longData) { |
| this.longData = longData; |
| } |
| |
| @Override |
| public void setByteArrayPage(byte[][] byteArray) { |
| byteArrayData = byteArray; |
| } |
| |
| /** |
| * Set byte value at rowId |
| */ |
| @Override |
| public void putByte(int rowId, byte value) { |
| byteData[rowId] = value; |
| } |
| |
| /** |
| * Set short value at rowId |
| */ |
| @Override |
| public void putShort(int rowId, short value) { |
| shortData[rowId] = value; |
| } |
| |
| /** |
| * Set integer value at rowId |
| */ |
| @Override |
| public void putInt(int rowId, int value) { |
| intData[rowId] = value; |
| } |
| |
| /** |
| * Set long value at rowId |
| */ |
| @Override |
| public void putLong(int rowId, long value) { |
| longData[rowId] = value; |
| } |
| |
| @Override |
| void putBytesAtRow(int rowId, byte[] bytes) { |
| byteArrayData[rowId] = bytes; |
| } |
| |
| @Override |
| public void putDecimal(int rowId, BigDecimal decimal) { |
| switch (decimalConverter.getDecimalConverterType()) { |
| case DECIMAL_INT: |
| if (null == intData) { |
| intData = new int[pageSize]; |
| } |
| putInt(rowId, (int) decimalConverter.convert(decimal)); |
| break; |
| case DECIMAL_LONG: |
| if (null == longData) { |
| longData = new long[pageSize]; |
| } |
| putLong(rowId, (long) decimalConverter.convert(decimal)); |
| break; |
| default: |
| putBytes(rowId, (byte[]) decimalConverter.convert(decimal)); |
| } |
| } |
| |
| @Override |
| public void putShortInt(int rowId, int value) { |
| byte[] converted = ByteUtil.to3Bytes(value); |
| System.arraycopy(converted, 0, shortIntData, rowId * 3, 3); |
| } |
| |
| @Override |
| public void putBytes(int rowId, byte[] bytes, int offset, int length) { |
| byteArrayData[rowId] = new byte[length]; |
| System.arraycopy(bytes, offset, byteArrayData[rowId], 0, length); |
| } |
| |
| @Override |
| public byte getByte(int rowId) { |
| return byteData[rowId]; |
| } |
| |
| @Override |
| public byte[] getBytes(int rowId) { |
| return byteArrayData[rowId]; |
| } |
| |
| @Override |
| public short getShort(int rowId) { |
| return shortData[rowId]; |
| } |
| |
| @Override |
| public int getShortInt(int rowId) { |
| return ByteUtil.valueOf3Bytes(shortIntData, rowId * 3); |
| } |
| |
| @Override |
| public int getInt(int rowId) { |
| return intData[rowId]; |
| } |
| |
| @Override |
| public long getLong(int rowId) { |
| return longData[rowId]; |
| } |
| |
| @Override |
| public void copyBytes(int rowId, byte[] dest, int destOffset, int length) { |
| System.arraycopy(byteArrayData[rowId], 0, dest, destOffset, length); |
| } |
| |
| @Override |
| public void convertValue(ColumnPageValueConverter codec) { |
| switch (decimalConverter.getDecimalConverterType()) { |
| case DECIMAL_INT: |
| for (int i = 0; i < pageSize; i++) { |
| codec.encode(i, intData[i]); |
| } |
| break; |
| case DECIMAL_LONG: |
| for (int i = 0; i < pageSize; i++) { |
| codec.encode(i, longData[i]); |
| } |
| break; |
| default: |
| throw new UnsupportedOperationException("not support value conversion on " |
| + columnPageEncoderMeta.getStoreDataType() + " page"); |
| } |
| } |
| |
| @Override |
| public byte[] getBytePage() { |
| return byteData; |
| } |
| |
| @Override |
| public short[] getShortPage() { |
| return shortData; |
| } |
| |
| @Override |
| public byte[] getShortIntPage() { |
| return shortIntData; |
| } |
| |
| @Override |
| public int[] getIntPage() { |
| return intData; |
| } |
| |
| @Override |
| public long[] getLongPage() { |
| return longData; |
| } |
| |
| @Override |
| public byte[][] getByteArrayPage() { |
| return byteArrayData; |
| } |
| |
| @Override |
| public void freeMemory() { |
| byteArrayData = null; |
| super.freeMemory(); |
| } |
| } |