| /* |
| * 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.iotdb.db.storageengine.dataregion.memtable; |
| |
| import org.apache.iotdb.db.storageengine.dataregion.wal.buffer.WALEntryValue; |
| import org.apache.iotdb.db.utils.datastructure.TVList; |
| |
| import org.apache.tsfile.enums.TSDataType; |
| import org.apache.tsfile.utils.Binary; |
| import org.apache.tsfile.utils.BitMap; |
| import org.apache.tsfile.write.chunk.IChunkWriter; |
| import org.apache.tsfile.write.schema.IMeasurementSchema; |
| |
| import java.util.List; |
| |
| public interface IWritableMemChunk extends WALEntryValue { |
| |
| void putLong(long t, long v); |
| |
| void putInt(long t, int v); |
| |
| void putFloat(long t, float v); |
| |
| void putDouble(long t, double v); |
| |
| boolean putBinaryWithFlushCheck(long t, Binary v); |
| |
| void putBoolean(long t, boolean v); |
| |
| boolean putAlignedValueWithFlushCheck(long t, Object[] v); |
| |
| void putLongs(long[] t, long[] v, BitMap bitMap, int start, int end); |
| |
| void putInts(long[] t, int[] v, BitMap bitMap, int start, int end); |
| |
| void putFloats(long[] t, float[] v, BitMap bitMap, int start, int end); |
| |
| void putDoubles(long[] t, double[] v, BitMap bitMap, int start, int end); |
| |
| boolean putBinariesWithFlushCheck(long[] t, Binary[] v, BitMap bitMap, int start, int end); |
| |
| void putBooleans(long[] t, boolean[] v, BitMap bitMap, int start, int end); |
| |
| boolean putAlignedValuesWithFlushCheck( |
| long[] t, Object[] v, BitMap[] bitMaps, int start, int end); |
| |
| boolean writeWithFlushCheck(long insertTime, Object objectValue); |
| |
| boolean writeAlignedValueWithFlushCheck( |
| long insertTime, Object[] objectValue, List<IMeasurementSchema> schemaList); |
| |
| /** |
| * write data in the range [start, end). Null value in the valueList will be replaced by the |
| * subsequent non-null value, e.g., {1, null, 3, null, 5} will be {1, 3, 5, null, 5} |
| */ |
| boolean writeWithFlushCheck( |
| long[] times, Object valueList, BitMap bitMap, TSDataType dataType, int start, int end); |
| |
| boolean writeAlignedValuesWithFlushCheck( |
| long[] times, |
| Object[] valueList, |
| BitMap[] bitMaps, |
| List<IMeasurementSchema> schemaList, |
| int start, |
| int end); |
| |
| long count(); |
| |
| IMeasurementSchema getSchema(); |
| |
| /** |
| * served for read requests. |
| * |
| * <p>if tv list has been sorted, just return reference of it |
| * |
| * <p>if tv list hasn't been sorted and has no reference, sort and return reference of it |
| * |
| * <p>if tv list hasn't been sorted and has reference we should copy and sort it, then return ths |
| * list |
| * |
| * <p>the mechanism is just like copy on write |
| * |
| * <p>This interface should be synchronized for concurrent with sortTvListForFlush |
| * |
| * @return sorted tv list |
| */ |
| TVList getSortedTvListForQuery(); |
| |
| /** |
| * served for vector read requests. |
| * |
| * <p>the mechanism is just like copy on write |
| * |
| * <p>This interface should be synchronized for concurrent with sortTvListForFlush |
| * |
| * @return sorted tv list |
| */ |
| TVList getSortedTvListForQuery(List<IMeasurementSchema> schemaList); |
| |
| /** |
| * served for flush requests. The logic is just same as getSortedTVListForQuery, but without add |
| * reference count |
| * |
| * <p>This interface should be synchronized for concurrent with getSortedTvListForQuery |
| */ |
| void sortTvListForFlush(); |
| |
| default TVList getTVList() { |
| return null; |
| } |
| |
| default long getMaxTime() { |
| return Long.MAX_VALUE; |
| } |
| |
| /** @return how many points are deleted */ |
| int delete(long lowerBound, long upperBound); |
| |
| IChunkWriter createIChunkWriter(); |
| |
| void encode(IChunkWriter chunkWriter); |
| |
| void release(); |
| |
| long getFirstPoint(); |
| |
| long getLastPoint(); |
| |
| boolean isEmpty(); |
| } |