| /* |
| * 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.kylin.stream.core.util; |
| |
| import java.util.Collection; |
| import java.util.Set; |
| |
| import org.apache.kylin.common.util.Pair; |
| import org.apache.kylin.dimension.TimeDerivedColumnType; |
| import org.apache.kylin.metadata.filter.CompareTupleFilter; |
| |
| /** |
| * check the time related filter is in a specify time range or not |
| */ |
| public class CompareFilterTimeRangeChecker { |
| public enum CheckResult { |
| INCLUDED, EXCLUDED, OVERLAP; |
| |
| public CheckResult or(CheckResult other) { |
| if (this == INCLUDED || other == INCLUDED) { |
| return INCLUDED; |
| } |
| if (this == EXCLUDED && other == EXCLUDED) { |
| return EXCLUDED; |
| } |
| return OVERLAP; |
| } |
| } |
| |
| protected long timeStart; |
| protected long timeEnd; |
| private boolean endClose; |
| |
| public CompareFilterTimeRangeChecker(long timeStart, long timeEnd) { |
| this(timeStart, timeEnd, false); |
| } |
| |
| public CompareFilterTimeRangeChecker(long timeStart, long timeEnd, boolean endClose) { |
| this.timeStart = timeStart; |
| this.timeEnd = timeEnd; |
| this.endClose = endClose; |
| } |
| |
| public CheckResult check(CompareTupleFilter compFilter, TimeDerivedColumnType timeDerivedColumnType, long timezoneOffset) { |
| Object timestampValue = compFilter.getFirstValue(); |
| Set conditionValues = compFilter.getValues(); |
| Pair<Long, Long> timeUnitRange; |
| if (timeDerivedColumnType != TimeDerivedColumnType.MINUTE_START |
| && timeDerivedColumnType != TimeDerivedColumnType.HOUR_START) { |
| timeUnitRange = timezoneOffset == 0 ? timeDerivedColumnType.getTimeUnitRange(timestampValue) |
| : timeDerivedColumnType.getTimeUnitRangeTimezoneAware(timestampValue, timezoneOffset); |
| } else { |
| timeUnitRange = timeDerivedColumnType.getTimeUnitRange(timestampValue); |
| } |
| switch (compFilter.getOperator()) { |
| case EQ: |
| return checkForEqValue(timeUnitRange); |
| case NEQ: |
| if (timeUnitRange.getFirst() <= timeStart && timeUnitRange.getSecond() >= timeEnd) { |
| return CheckResult.EXCLUDED; |
| } |
| if (timeUnitRange.getSecond() <= timeStart || timeUnitRange.getFirst() >= timeEnd) { |
| return CheckResult.INCLUDED; |
| } |
| return CheckResult.OVERLAP; |
| case LT: |
| if ((!endClose && timeUnitRange.getFirst() >= timeEnd) || (endClose && timeUnitRange.getFirst() > timeEnd)) { |
| return CheckResult.INCLUDED; |
| } |
| if (timeUnitRange.getFirst() <= timeStart) { |
| return CheckResult.EXCLUDED; |
| } |
| return CheckResult.OVERLAP; |
| case LTE: |
| if (timeUnitRange.getFirst() >= timeEnd) { |
| return CheckResult.INCLUDED; |
| } |
| if (timeUnitRange.getSecond() < timeStart) { |
| return CheckResult.EXCLUDED; |
| } |
| return CheckResult.OVERLAP; |
| case GT: |
| if (timeUnitRange.getSecond() < timeStart) { |
| return CheckResult.INCLUDED; |
| } |
| if (timeUnitRange.getFirst() >= timeEnd) { |
| return CheckResult.EXCLUDED; |
| } |
| return CheckResult.OVERLAP; |
| case GTE: |
| if (timeUnitRange.getFirst() <= timeStart) { |
| return CheckResult.INCLUDED; |
| } |
| if ((!endClose && timeUnitRange.getFirst() >= timeEnd) || (endClose && timeUnitRange.getFirst() > timeEnd)) { |
| return CheckResult.EXCLUDED; |
| } |
| return CheckResult.OVERLAP; |
| case IN: |
| return checkForInValues(timeDerivedColumnType, conditionValues, timezoneOffset); |
| default: |
| return CheckResult.OVERLAP; |
| } |
| } |
| |
| private CheckResult checkForEqValue(Pair<Long, Long> timeUnitRange) { |
| if (timeUnitRange.getFirst() <= timeStart && timeUnitRange.getSecond() >= timeEnd) { |
| return CheckResult.INCLUDED; |
| } |
| if (timeUnitRange.getSecond() <= timeStart || timeUnitRange.getFirst() >= timeEnd) { |
| return CheckResult.EXCLUDED; |
| } |
| return CheckResult.OVERLAP; |
| } |
| |
| private CheckResult checkForInValues(TimeDerivedColumnType timeDerivedColumnType, Collection<Object> values, long timezoneOffset) { |
| CheckResult result = null; |
| for (Object timestampValue : values) { |
| Pair<Long, Long> timeUnitRange = timeDerivedColumnType.getTimeUnitRangeTimezoneAware(timestampValue, timezoneOffset); |
| CheckResult checkResult = checkForEqValue(timeUnitRange); |
| if (result == null) { |
| result = checkResult; |
| } else { |
| result = result.or(checkResult); |
| } |
| } |
| return result; |
| } |
| |
| } |