forked from apache/pinot
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
1 parent
8333688
commit b34e805
Showing
22 changed files
with
822 additions
and
110 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
87 changes: 87 additions & 0 deletions
87
...ava/org/apache/pinot/core/geospatial/transform/function/ConstructFromGeoJsonFunction.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| /** | ||
| * 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.pinot.core.geospatial.transform.function; | ||
|
|
||
| import com.google.common.base.Preconditions; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import org.apache.pinot.core.operator.ColumnContext; | ||
| import org.apache.pinot.core.operator.blocks.ValueBlock; | ||
| import org.apache.pinot.core.operator.transform.TransformResultMetadata; | ||
| import org.apache.pinot.core.operator.transform.function.BaseTransformFunction; | ||
| import org.apache.pinot.core.operator.transform.function.TransformFunction; | ||
| import org.apache.pinot.segment.local.utils.GeometrySerializer; | ||
| import org.apache.pinot.spi.data.FieldSpec; | ||
| import org.locationtech.jts.geom.Geometry; | ||
| import org.locationtech.jts.io.ParseException; | ||
| import org.locationtech.jts.io.geojson.GeoJsonReader; | ||
|
|
||
|
|
||
| /** | ||
| * An abstract class for implementing the geo constructor functions from GEO JSON. | ||
| */ | ||
| abstract class ConstructFromGeoJsonFunction extends BaseTransformFunction { | ||
|
|
||
| protected TransformFunction _transformFunction; | ||
| protected GeoJsonReader _reader; | ||
|
|
||
| @Override | ||
| public void init(List<TransformFunction> arguments, Map<String, ColumnContext> columnContextMap) { | ||
| super.init(arguments, columnContextMap); | ||
|
|
||
| Preconditions.checkArgument(arguments.size() == 1, | ||
| "Exactly 1 argument is required for transform function: " + getName()); | ||
|
|
||
| TransformFunction transformFunction = arguments.get(0); | ||
|
|
||
| Preconditions.checkArgument(transformFunction.getResultMetadata().isSingleValue(), | ||
| "The argument must be single-valued for transform function: " + getName()); | ||
| Preconditions.checkArgument(transformFunction.getResultMetadata().getDataType() == FieldSpec.DataType.STRING, | ||
| "The argument must be of string type"); | ||
|
|
||
| _transformFunction = transformFunction; | ||
| _reader = getGeoJsonReader(); | ||
| } | ||
|
|
||
| abstract protected GeoJsonReader getGeoJsonReader(); | ||
|
|
||
| @Override | ||
| public TransformResultMetadata getResultMetadata() { | ||
| return BYTES_SV_NO_DICTIONARY_METADATA; | ||
| } | ||
|
|
||
| @Override | ||
| public byte[][] transformToBytesValuesSV(ValueBlock valueBlock) { | ||
| int numDocs = valueBlock.getNumDocs(); | ||
| initBytesValuesSV(numDocs); | ||
| String[] argumentValues = _transformFunction.transformToStringValuesSV(valueBlock); | ||
| // use single reader instead of allocating separate instance per row | ||
| StringReader reader = new StringReader(); | ||
| for (int i = 0; i < numDocs; i++) { | ||
| try { | ||
| reader.setString(argumentValues[i]); | ||
| Geometry geometry = _reader.read(reader); | ||
| _bytesValuesSV[i] = GeometrySerializer.serialize(geometry); | ||
| } catch (ParseException e) { | ||
| throw new RuntimeException(String.format("Failed to parse geometry from string: %s", argumentValues[i])); | ||
| } | ||
| } | ||
| return _bytesValuesSV; | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.