| /* |
| * 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.handler; |
| |
| import org.apache.iotdb.db.utils.windowing.api.Evaluator; |
| import org.apache.iotdb.db.utils.windowing.configuration.Configuration; |
| import org.apache.iotdb.db.utils.windowing.exception.WindowingException; |
| import org.apache.iotdb.db.utils.windowing.runtime.WindowEvaluationTaskPoolManager; |
| import org.apache.iotdb.db.utils.windowing.window.EvictableBatchList; |
| |
| import org.apache.tsfile.utils.Binary; |
| import org.apache.tsfile.utils.BytesUtils; |
| |
| public abstract class SlidingWindowEvaluationHandler { |
| |
| protected static final WindowEvaluationTaskPoolManager TASK_POOL_MANAGER = |
| WindowEvaluationTaskPoolManager.getInstance(); |
| |
| protected final Configuration configuration; |
| protected final Evaluator evaluator; |
| |
| protected final EvictableBatchList data; |
| |
| private long maxTime; |
| |
| protected SlidingWindowEvaluationHandler(Configuration configuration, Evaluator evaluator) |
| throws WindowingException { |
| this.configuration = configuration; |
| this.evaluator = evaluator; |
| |
| configuration.check(); |
| |
| data = new EvictableBatchList(configuration.getDataType()); |
| |
| maxTime = Long.MIN_VALUE; |
| } |
| |
| protected abstract void createEvaluationTaskIfNecessary(long timestamp); |
| |
| public final void collect(long timestamp, int value) { |
| if (timestamp <= maxTime) { |
| return; |
| } |
| maxTime = timestamp; |
| |
| data.putInt(timestamp, value); |
| createEvaluationTaskIfNecessary(timestamp); |
| } |
| |
| public final void collect(long timestamp, long value) { |
| if (timestamp <= maxTime) { |
| return; |
| } |
| maxTime = timestamp; |
| |
| data.putLong(timestamp, value); |
| createEvaluationTaskIfNecessary(timestamp); |
| } |
| |
| public final void collect(long timestamp, float value) { |
| if (timestamp <= maxTime) { |
| return; |
| } |
| maxTime = timestamp; |
| |
| data.putFloat(timestamp, value); |
| createEvaluationTaskIfNecessary(timestamp); |
| } |
| |
| public final void collect(long timestamp, double value) { |
| if (timestamp <= maxTime) { |
| return; |
| } |
| maxTime = timestamp; |
| |
| data.putDouble(timestamp, value); |
| createEvaluationTaskIfNecessary(timestamp); |
| } |
| |
| public final void collect(long timestamp, boolean value) { |
| if (timestamp <= maxTime) { |
| return; |
| } |
| maxTime = timestamp; |
| |
| data.putBoolean(timestamp, value); |
| createEvaluationTaskIfNecessary(timestamp); |
| } |
| |
| public final void collect(long timestamp, String value) { |
| if (timestamp <= maxTime) { |
| return; |
| } |
| maxTime = timestamp; |
| |
| data.putBinary(timestamp, BytesUtils.valueOf(value)); |
| createEvaluationTaskIfNecessary(timestamp); |
| } |
| |
| public final void collect(long timestamp, Binary value) { |
| if (timestamp <= maxTime) { |
| return; |
| } |
| maxTime = timestamp; |
| |
| data.putBinary(timestamp, value); |
| createEvaluationTaskIfNecessary(timestamp); |
| } |
| } |