liran-funaro commented on a change in pull request #10335: URL: https://github.com/apache/druid/pull/10335#discussion_r501517936
########## File path: processing/src/main/java/org/apache/druid/segment/incremental/AppendableIndexBuilder.java ########## @@ -0,0 +1,128 @@ +/* + * 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.segment.incremental; + +import com.google.common.annotations.VisibleForTesting; +import org.apache.druid.java.util.common.logger.Logger; +import org.apache.druid.query.aggregation.AggregatorFactory; + +import javax.annotation.Nullable; + +public abstract class AppendableIndexBuilder +{ + @Nullable + protected IncrementalIndexSchema incrementalIndexSchema = null; + protected boolean deserializeComplexMetrics = true; + protected boolean concurrentEventAdd = false; + protected boolean sortFacts = true; + protected int maxRowCount = 0; + protected long maxBytesInMemory = 0; + + protected final Logger log = new Logger(this.getClass().getName()); + + public AppendableIndexBuilder setIndexSchema(final IncrementalIndexSchema incrementalIndexSchema) + { + this.incrementalIndexSchema = incrementalIndexSchema; + return this; + } + + /** + * A helper method to set a simple index schema with only metrics and default values for the other parameters. Note + * that this method is normally used for testing and benchmarking; it is unlikely that you would use it in + * production settings. + * + * @param metrics variable array of {@link AggregatorFactory} metrics + * + * @return this + */ + @VisibleForTesting + public AppendableIndexBuilder setSimpleTestingIndexSchema(final AggregatorFactory... metrics) + { + return setSimpleTestingIndexSchema(null, metrics); + } + + + /** + * A helper method to set a simple index schema with controllable metrics and rollup, and default values for the + * other parameters. Note that this method is normally used for testing and benchmarking; it is unlikely that you + * would use it in production settings. + * + * @param metrics variable array of {@link AggregatorFactory} metrics + * + * @return this + */ + @VisibleForTesting + public AppendableIndexBuilder setSimpleTestingIndexSchema(@Nullable Boolean rollup, final AggregatorFactory... metrics) + { + IncrementalIndexSchema.Builder builder = new IncrementalIndexSchema.Builder().withMetrics(metrics); + this.incrementalIndexSchema = rollup != null ? builder.withRollup(rollup).build() : builder.build(); + return this; + } + + public AppendableIndexBuilder setDeserializeComplexMetrics(final boolean deserializeComplexMetrics) + { + this.deserializeComplexMetrics = deserializeComplexMetrics; + return this; + } + + public AppendableIndexBuilder setConcurrentEventAdd(final boolean concurrentEventAdd) + { + this.concurrentEventAdd = concurrentEventAdd; + return this; + } + + public AppendableIndexBuilder setSortFacts(final boolean sortFacts) + { + this.sortFacts = sortFacts; + return this; + } + + public AppendableIndexBuilder setMaxRowCount(final int maxRowCount) + { + this.maxRowCount = maxRowCount; + return this; + } + + public AppendableIndexBuilder setMaxBytesInMemory(final long maxBytesInMemory) + { + this.maxBytesInMemory = maxBytesInMemory; + return this; + } + + public void validate() + { + if (maxRowCount <= 0) { + throw new IllegalArgumentException("Invalid max row count: " + maxRowCount); + } + + if (incrementalIndexSchema == null) { + throw new IllegalArgumentException("incrementIndexSchema cannot be null"); + } + } + + public final IncrementalIndex build() Review comment: Changed to DEBUG. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
