| /* |
| * 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.indexstore.row; |
| |
| import org.apache.carbondata.core.indexstore.schema.CarbonRowSchema; |
| import org.apache.carbondata.core.memory.MemoryBlock; |
| |
| import static org.apache.carbondata.core.memory.CarbonUnsafe.BYTE_ARRAY_OFFSET; |
| import static org.apache.carbondata.core.memory.CarbonUnsafe.getUnsafe; |
| |
| /** |
| * Unsafe implementation of index row. |
| */ |
| public class UnsafeIndexRow extends IndexRow { |
| |
| private static final long serialVersionUID = -1156704133552046321L; |
| |
| // As it is an unsafe memory block it is not recommended to serialize. |
| // If at all required to be serialized then override writeObject methods |
| // to which should take care of clearing the unsafe memory post serialization |
| private transient MemoryBlock block; |
| |
| private int pointer; |
| |
| public UnsafeIndexRow(CarbonRowSchema[] schemas, MemoryBlock block, int pointer) { |
| super(schemas); |
| this.block = block; |
| this.pointer = pointer; |
| } |
| |
| @Override |
| public byte[] getByteArray(int ordinal) { |
| int length; |
| int currentOffset; |
| switch (schemas[ordinal].getSchemaType()) { |
| case VARIABLE_SHORT: |
| case VARIABLE_INT: |
| final int schemaOrdinal = schemas[ordinal].getBytePosition(); |
| currentOffset = getUnsafe().getInt(block.getBaseObject(), |
| block.getBaseOffset() + pointer + schemaOrdinal); |
| int nextOffset = getUnsafe().getInt(block.getBaseObject(), |
| block.getBaseOffset() + pointer + schemaOrdinal + 4); |
| length = nextOffset - currentOffset; |
| break; |
| default: |
| currentOffset = schemas[ordinal].getBytePosition(); |
| length = schemas[ordinal].getLength(); |
| } |
| byte[] data = new byte[length]; |
| getUnsafe() |
| .copyMemory(block.getBaseObject(), block.getBaseOffset() + pointer + currentOffset, data, |
| BYTE_ARRAY_OFFSET, data.length); |
| return data; |
| } |
| |
| @Override |
| public int getLengthInBytes(int ordinal) { |
| int length; |
| int schemaOrdinal = schemas[ordinal].getBytePosition(); |
| switch (schemas[ordinal].getSchemaType()) { |
| case VARIABLE_SHORT: |
| case VARIABLE_INT: |
| int currentOffset = getUnsafe().getInt(block.getBaseObject(), |
| block.getBaseOffset() + pointer + schemaOrdinal); |
| int nextOffset = getUnsafe().getInt(block.getBaseObject(), |
| block.getBaseOffset() + pointer + schemaOrdinal + 4); |
| length = nextOffset - currentOffset; |
| break; |
| default: |
| length = schemas[ordinal].getLength(); |
| } |
| return length; |
| } |
| |
| @Override |
| public void setBoolean(boolean value, int ordinal) { |
| throw new UnsupportedOperationException("Not supported to set on unsafe row"); |
| } |
| |
| @Override |
| public boolean getBoolean(int ordinal) { |
| return getUnsafe().getBoolean(block.getBaseObject(), |
| block.getBaseOffset() + pointer + schemas[ordinal].getBytePosition()); |
| } |
| |
| @Override |
| public IndexRow getRow(int ordinal) { |
| CarbonRowSchema[] childSchemas = |
| ((CarbonRowSchema.StructCarbonRowSchema) schemas[ordinal]).getChildSchemas(); |
| return new UnsafeIndexRow(childSchemas, block, pointer); |
| } |
| |
| @Override |
| public void setByteArray(byte[] byteArray, int ordinal) { |
| throw new UnsupportedOperationException("Not supported to set on unsafe row"); |
| } |
| |
| @Override |
| public int getInt(int ordinal) { |
| return getUnsafe().getInt(block.getBaseObject(), |
| block.getBaseOffset() + pointer + schemas[ordinal].getBytePosition()); |
| } |
| |
| @Override |
| public void setInt(int value, int ordinal) { |
| throw new UnsupportedOperationException("Not supported to set on unsafe row"); |
| } |
| |
| @Override |
| public void setByte(byte value, int ordinal) { |
| throw new UnsupportedOperationException("Not supported to set on unsafe row"); |
| } |
| |
| @Override |
| public byte getByte(int ordinal) { |
| return getUnsafe().getByte(block.getBaseObject(), |
| block.getBaseOffset() + pointer + schemas[ordinal].getBytePosition()); |
| } |
| |
| @Override |
| public void setShort(short value, int ordinal) { |
| throw new UnsupportedOperationException("Not supported to set on unsafe row"); |
| } |
| |
| @Override |
| public short getShort(int ordinal) { |
| return getUnsafe().getShort(block.getBaseObject(), |
| block.getBaseOffset() + pointer + schemas[ordinal].getBytePosition()); |
| } |
| |
| @Override |
| public void setLong(long value, int ordinal) { |
| throw new UnsupportedOperationException("Not supported to set on unsafe row"); |
| } |
| |
| @Override |
| public long getLong(int ordinal) { |
| return getUnsafe().getLong(block.getBaseObject(), |
| block.getBaseOffset() + pointer + schemas[ordinal].getBytePosition()); |
| } |
| |
| @Override |
| public void setFloat(float value, int ordinal) { |
| throw new UnsupportedOperationException("Not supported to set on unsafe row"); |
| } |
| |
| @Override |
| public float getFloat(int ordinal) { |
| return getUnsafe().getFloat(block.getBaseObject(), |
| block.getBaseOffset() + pointer + schemas[ordinal].getBytePosition()); |
| } |
| |
| @Override |
| public void setDouble(double value, int ordinal) { |
| throw new UnsupportedOperationException("Not supported to set on unsafe row"); |
| } |
| |
| @Override |
| public double getDouble(int ordinal) { |
| return getUnsafe().getDouble(block.getBaseObject(), |
| block.getBaseOffset() + pointer + schemas[ordinal].getBytePosition()); |
| } |
| |
| @Override |
| public void setRow(IndexRow row, int ordinal) { |
| throw new UnsupportedOperationException("Not supported to set on unsafe row"); |
| } |
| } |