| /* |
| * 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.utils.windowing.window; |
| |
| import org.apache.iotdb.commons.utils.TestOnly; |
| |
| import org.apache.tsfile.common.conf.TSFileConfig; |
| import org.apache.tsfile.enums.TSDataType; |
| import org.apache.tsfile.read.common.BatchData; |
| import org.apache.tsfile.utils.Binary; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class EvictableBatchList { |
| |
| private static int internalBatchSize = |
| TSFileConfig.ARRAY_CAPACITY_THRESHOLD * TSFileConfig.ARRAY_CAPACITY_THRESHOLD; |
| |
| private final TSDataType dataType; |
| |
| private List<BatchData> batchList; |
| private int size; |
| |
| private int actualOuterIndexAt0; |
| |
| public EvictableBatchList(TSDataType dataType) { |
| this.dataType = dataType; |
| batchList = new ArrayList<>(); |
| size = 0; |
| actualOuterIndexAt0 = 0; |
| } |
| |
| public void putInt(long t, int v) { |
| if (size % internalBatchSize == 0) { |
| batchList.add(new BatchData(dataType)); |
| } |
| |
| batchList.get(size / internalBatchSize - actualOuterIndexAt0).putInt(t, v); |
| ++size; |
| } |
| |
| public void putLong(long t, long v) { |
| if (size % internalBatchSize == 0) { |
| batchList.add(new BatchData(dataType)); |
| } |
| |
| batchList.get(size / internalBatchSize - actualOuterIndexAt0).putLong(t, v); |
| ++size; |
| } |
| |
| public void putFloat(long t, float v) { |
| if (size % internalBatchSize == 0) { |
| batchList.add(new BatchData(dataType)); |
| } |
| |
| batchList.get(size / internalBatchSize - actualOuterIndexAt0).putFloat(t, v); |
| ++size; |
| } |
| |
| public void putDouble(long t, double v) { |
| if (size % internalBatchSize == 0) { |
| batchList.add(new BatchData(dataType)); |
| } |
| |
| batchList.get(size / internalBatchSize - actualOuterIndexAt0).putDouble(t, v); |
| ++size; |
| } |
| |
| public void putBoolean(long t, boolean v) { |
| if (size % internalBatchSize == 0) { |
| batchList.add(new BatchData(dataType)); |
| } |
| |
| batchList.get(size / internalBatchSize - actualOuterIndexAt0).putBoolean(t, v); |
| ++size; |
| } |
| |
| public void putBinary(long t, Binary v) { |
| if (size % internalBatchSize == 0) { |
| batchList.add(new BatchData(dataType)); |
| } |
| |
| batchList.get(size / internalBatchSize - actualOuterIndexAt0).putBinary(t, v); |
| ++size; |
| } |
| |
| public long getTimeByIndex(int index) { |
| return batchList |
| .get(index / internalBatchSize - actualOuterIndexAt0) |
| .getTimeByIndex(index % internalBatchSize); |
| } |
| |
| public int getIntByIndex(int index) { |
| return batchList |
| .get(index / internalBatchSize - actualOuterIndexAt0) |
| .getIntByIndex(index % internalBatchSize); |
| } |
| |
| public long getLongByIndex(int index) { |
| return batchList |
| .get(index / internalBatchSize - actualOuterIndexAt0) |
| .getLongByIndex(index % internalBatchSize); |
| } |
| |
| public float getFloatByIndex(int index) { |
| return batchList |
| .get(index / internalBatchSize - actualOuterIndexAt0) |
| .getFloatByIndex(index % internalBatchSize); |
| } |
| |
| public double getDoubleByIndex(int index) { |
| return batchList |
| .get(index / internalBatchSize - actualOuterIndexAt0) |
| .getDoubleByIndex(index % internalBatchSize); |
| } |
| |
| public boolean getBooleanByIndex(int index) { |
| return batchList |
| .get(index / internalBatchSize - actualOuterIndexAt0) |
| .getBooleanByIndex(index % internalBatchSize); |
| } |
| |
| public Binary getBinaryByIndex(int index) { |
| return batchList |
| .get(index / internalBatchSize - actualOuterIndexAt0) |
| .getBinaryByIndex(index % internalBatchSize); |
| } |
| |
| /** |
| * set the upper bound of eviction. |
| * |
| * @param evictionUpperBound valid elements [evictionUpperBound, size) |
| */ |
| public void setEvictionUpperBound(int evictionUpperBound) { |
| int outerEvictionUpperBound = evictionUpperBound / internalBatchSize; |
| if (actualOuterIndexAt0 < outerEvictionUpperBound) { |
| doEviction(outerEvictionUpperBound); |
| } |
| } |
| |
| private void doEviction(int outerEvictionUpperBound) { |
| batchList = |
| new ArrayList<>( |
| batchList.subList(outerEvictionUpperBound - actualOuterIndexAt0, batchList.size())); |
| actualOuterIndexAt0 = outerEvictionUpperBound; |
| } |
| |
| public int size() { |
| return size; |
| } |
| |
| public TSDataType getDataType() { |
| return dataType; |
| } |
| |
| @TestOnly |
| public static void setInternalBatchSize(int internalBatchSize) { |
| EvictableBatchList.internalBatchSize = internalBatchSize; |
| } |
| } |