| /* |
| * 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.druid.sql.calcite.planner; |
| |
| import com.fasterxml.jackson.annotation.JsonProperty; |
| import org.apache.druid.java.util.common.IAE; |
| import org.joda.time.DateTimeZone; |
| import org.joda.time.Period; |
| |
| import java.util.Map; |
| import java.util.Objects; |
| |
| public class PlannerConfig |
| { |
| public static final String CTX_KEY_USE_APPROXIMATE_COUNT_DISTINCT = "useApproximateCountDistinct"; |
| public static final String CTX_KEY_USE_APPROXIMATE_TOPN = "useApproximateTopN"; |
| |
| @JsonProperty |
| private Period metadataRefreshPeriod = new Period("PT1M"); |
| |
| @JsonProperty |
| private int maxTopNLimit = 100000; |
| |
| @JsonProperty |
| private boolean useApproximateCountDistinct = true; |
| |
| @JsonProperty |
| private boolean useApproximateTopN = true; |
| |
| @JsonProperty |
| private boolean requireTimeCondition = false; |
| |
| @JsonProperty |
| private boolean awaitInitializationOnStart = true; |
| |
| @JsonProperty |
| private DateTimeZone sqlTimeZone = DateTimeZone.UTC; |
| |
| @JsonProperty |
| private boolean metadataSegmentCacheEnable = false; |
| |
| @JsonProperty |
| private long metadataSegmentPollPeriod = 60000; |
| |
| public long getMetadataSegmentPollPeriod() |
| { |
| return metadataSegmentPollPeriod; |
| } |
| |
| public boolean isMetadataSegmentCacheEnable() |
| { |
| return metadataSegmentCacheEnable; |
| } |
| |
| private boolean serializeComplexValues = true; |
| |
| public Period getMetadataRefreshPeriod() |
| { |
| return metadataRefreshPeriod; |
| } |
| |
| public int getMaxTopNLimit() |
| { |
| return maxTopNLimit; |
| } |
| |
| public boolean isUseApproximateCountDistinct() |
| { |
| return useApproximateCountDistinct; |
| } |
| |
| public boolean isUseApproximateTopN() |
| { |
| return useApproximateTopN; |
| } |
| |
| public boolean isRequireTimeCondition() |
| { |
| return requireTimeCondition; |
| } |
| |
| public DateTimeZone getSqlTimeZone() |
| { |
| return sqlTimeZone; |
| } |
| |
| public boolean isAwaitInitializationOnStart() |
| { |
| return awaitInitializationOnStart; |
| } |
| |
| public boolean shouldSerializeComplexValues() |
| { |
| return serializeComplexValues; |
| } |
| |
| public PlannerConfig withOverrides(final Map<String, Object> context) |
| { |
| if (context == null) { |
| return this; |
| } |
| |
| final PlannerConfig newConfig = new PlannerConfig(); |
| newConfig.metadataRefreshPeriod = getMetadataRefreshPeriod(); |
| newConfig.maxTopNLimit = getMaxTopNLimit(); |
| newConfig.useApproximateCountDistinct = getContextBoolean( |
| context, |
| CTX_KEY_USE_APPROXIMATE_COUNT_DISTINCT, |
| isUseApproximateCountDistinct() |
| ); |
| newConfig.useApproximateTopN = getContextBoolean( |
| context, |
| CTX_KEY_USE_APPROXIMATE_TOPN, |
| isUseApproximateTopN() |
| ); |
| newConfig.requireTimeCondition = isRequireTimeCondition(); |
| newConfig.sqlTimeZone = getSqlTimeZone(); |
| newConfig.awaitInitializationOnStart = isAwaitInitializationOnStart(); |
| newConfig.metadataSegmentCacheEnable = isMetadataSegmentCacheEnable(); |
| newConfig.metadataSegmentPollPeriod = getMetadataSegmentPollPeriod(); |
| newConfig.serializeComplexValues = shouldSerializeComplexValues(); |
| return newConfig; |
| } |
| |
| private static boolean getContextBoolean( |
| final Map<String, Object> context, |
| final String parameter, |
| final boolean defaultValue |
| ) |
| { |
| final Object value = context.get(parameter); |
| if (value == null) { |
| return defaultValue; |
| } else if (value instanceof String) { |
| return Boolean.parseBoolean((String) value); |
| } else if (value instanceof Boolean) { |
| return (Boolean) value; |
| } else { |
| throw new IAE("Expected parameter[%s] to be boolean", parameter); |
| } |
| } |
| |
| @Override |
| public boolean equals(final Object o) |
| { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| final PlannerConfig that = (PlannerConfig) o; |
| return maxTopNLimit == that.maxTopNLimit && |
| useApproximateCountDistinct == that.useApproximateCountDistinct && |
| useApproximateTopN == that.useApproximateTopN && |
| requireTimeCondition == that.requireTimeCondition && |
| awaitInitializationOnStart == that.awaitInitializationOnStart && |
| metadataSegmentCacheEnable == that.metadataSegmentCacheEnable && |
| metadataSegmentPollPeriod == that.metadataSegmentPollPeriod && |
| serializeComplexValues == that.serializeComplexValues && |
| Objects.equals(metadataRefreshPeriod, that.metadataRefreshPeriod) && |
| Objects.equals(sqlTimeZone, that.sqlTimeZone); |
| } |
| |
| @Override |
| public int hashCode() |
| { |
| |
| return Objects.hash( |
| metadataRefreshPeriod, |
| maxTopNLimit, |
| useApproximateCountDistinct, |
| useApproximateTopN, |
| requireTimeCondition, |
| awaitInitializationOnStart, |
| sqlTimeZone, |
| metadataSegmentCacheEnable, |
| metadataSegmentPollPeriod, |
| serializeComplexValues |
| ); |
| } |
| |
| @Override |
| public String toString() |
| { |
| return "PlannerConfig{" + |
| "metadataRefreshPeriod=" + metadataRefreshPeriod + |
| ", maxTopNLimit=" + maxTopNLimit + |
| ", useApproximateCountDistinct=" + useApproximateCountDistinct + |
| ", useApproximateTopN=" + useApproximateTopN + |
| ", requireTimeCondition=" + requireTimeCondition + |
| ", awaitInitializationOnStart=" + awaitInitializationOnStart + |
| ", metadataSegmentCacheEnable=" + metadataSegmentCacheEnable + |
| ", metadataSegmentPollPeriod=" + metadataSegmentPollPeriod + |
| ", sqlTimeZone=" + sqlTimeZone + |
| ", serializeComplexValues=" + serializeComplexValues + |
| '}'; |
| } |
| } |