| /* |
| * 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.io.ByteArrayOutputStream; |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| import java.math.BigDecimal; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.carbondata.core.datastore.page.encoding.ColumnPageEncoderMeta; |
| import org.apache.carbondata.core.metadata.datatype.DataType; |
| import org.apache.carbondata.core.util.DataTypeUtil; |
| |
| public class SafeVarLengthColumnPage extends VarLengthColumnPageBase { |
| |
| // for string and decimal data |
| private List<byte[]> byteArrayData; |
| |
| SafeVarLengthColumnPage(ColumnPageEncoderMeta columnPageEncoderMeta, int pageSize) { |
| super(columnPageEncoderMeta, pageSize); |
| byteArrayData = new ArrayList<>(); |
| } |
| |
| @Override |
| public void freeMemory() { |
| byteArrayData = null; |
| super.freeMemory(); |
| } |
| |
| @Override |
| public void putBytesAtRow(int rowId, byte[] bytes) { |
| byteArrayData.add(bytes); |
| } |
| |
| @Override |
| public void putBytes(int rowId, byte[] bytes, int offset, int length) { |
| byteArrayData.add(bytes); |
| } |
| |
| @Override |
| public void putDecimal(int rowId, BigDecimal decimal) { |
| throw new UnsupportedOperationException( |
| "invalid data type: " + columnPageEncoderMeta.getStoreDataType()); |
| } |
| |
| @Override |
| public BigDecimal getDecimal(int rowId) { |
| throw new UnsupportedOperationException( |
| "invalid data type: " + columnPageEncoderMeta.getStoreDataType()); |
| } |
| |
| @Override |
| public byte[] getBytes(int rowId) { |
| return byteArrayData.get(rowId); |
| } |
| |
| @Override |
| public void setByteArrayPage(byte[][] byteArray) { |
| for (byte[] data : byteArray) { |
| byteArrayData.add(data); |
| } |
| } |
| |
| @Override |
| public byte[] getLVFlattenedBytePage() throws IOException { |
| ByteArrayOutputStream stream = new ByteArrayOutputStream(); |
| DataOutputStream out = new DataOutputStream(stream); |
| for (byte[] byteArrayDatum : byteArrayData) { |
| out.writeInt(byteArrayDatum.length); |
| out.write(byteArrayDatum); |
| } |
| return stream.toByteArray(); |
| } |
| |
| @Override |
| public byte[] getComplexChildrenLVFlattenedBytePage(DataType dataType) throws IOException { |
| ByteArrayOutputStream stream = new ByteArrayOutputStream(); |
| DataOutputStream out = new DataOutputStream(stream); |
| for (byte[] byteArrayDatum : byteArrayData) { |
| if (DataTypeUtil.isByteArrayComplexChildColumn(dataType)) { |
| out.writeInt(byteArrayDatum.length); |
| } else { |
| out.writeShort((short) byteArrayDatum.length); |
| } |
| out.write(byteArrayDatum); |
| } |
| return stream.toByteArray(); |
| } |
| |
| @Override |
| public byte[] getComplexParentFlattenedBytePage() throws IOException { |
| ByteArrayOutputStream stream = new ByteArrayOutputStream(); |
| DataOutputStream out = new DataOutputStream(stream); |
| for (byte[] byteArrayDatum : byteArrayData) { |
| out.write(byteArrayDatum); |
| } |
| return stream.toByteArray(); |
| } |
| |
| @Override |
| public byte[][] getByteArrayPage() { |
| return byteArrayData.toArray(new byte[byteArrayData.size()][]); |
| } |
| |
| @Override |
| void copyBytes(int rowId, byte[] dest, int destOffset, int length) { |
| System.arraycopy(byteArrayData.get(rowId), 0, dest, destOffset, length); |
| } |
| |
| } |