Adding parsing for InternalMax and InternalMin

This commit is contained in:
Christoph Büscher 2017-04-18 17:32:09 +02:00
parent c1ba6997ff
commit 75fdc9449f
11 changed files with 243 additions and 10 deletions

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@ -448,6 +448,7 @@ public final class ObjectParser<Value, Context> extends AbstractObjectParser<Val
FLOAT(VALUE_NUMBER, VALUE_STRING),
FLOAT_OR_NULL(VALUE_NUMBER, VALUE_STRING, VALUE_NULL),
DOUBLE(VALUE_NUMBER, VALUE_STRING),
DOUBLE_OR_NULL(VALUE_NUMBER, VALUE_STRING, VALUE_NULL),
LONG(VALUE_NUMBER, VALUE_STRING),
LONG_OR_NULL(VALUE_NUMBER, VALUE_STRING, VALUE_NULL),
INT(VALUE_NUMBER, VALUE_STRING),

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@ -33,7 +33,7 @@ import java.util.Map;
*/
public abstract class ParsedAggregation implements Aggregation, ToXContent {
protected static void declareCommonFields(ObjectParser<? extends ParsedAggregation, Void> objectParser) {
protected static void declareAggregationFields(ObjectParser<? extends ParsedAggregation, Void> objectParser) {
objectParser.declareObject((parsedAgg, metadata) -> parsedAgg.metadata = Collections.unmodifiableMap(metadata),
(parser, context) -> parser.map(), InternalAggregation.CommonFields.META);
}

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@ -0,0 +1,72 @@
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.search.aggregations.metrics;
import org.elasticsearch.common.xcontent.ObjectParser;
import org.elasticsearch.common.xcontent.ObjectParser.ValueType;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.common.xcontent.XContentParser.Token;
import org.elasticsearch.search.aggregations.ParsedAggregation;
import java.io.IOException;
public abstract class ParsedSingleValueNumericMetricsAggregation extends ParsedAggregation implements NumericMetricsAggregation.SingleValue {
protected double value;
protected String valueAsString;
@Override
public String getValueAsString() {
if (valueAsString != null) {
return valueAsString;
} else {
return Double.toString(value);
}
}
@Override
public double value() {
return value;
}
protected void setValue(double value) {
this.value = value;
}
protected void setValueAsString(String valueAsString) {
this.valueAsString = valueAsString;
}
protected static double parseValue(XContentParser parser, double defaultNullValue) throws IOException {
Token currentToken = parser.currentToken();
if (currentToken == XContentParser.Token.VALUE_NUMBER || currentToken == XContentParser.Token.VALUE_STRING) {
return parser.doubleValue();
} else {
return defaultNullValue;
}
}
protected static void declareSingeValueFields(ObjectParser<? extends ParsedSingleValueNumericMetricsAggregation, Void> objectParser,
double defaultNullValue) {
declareAggregationFields(objectParser);
objectParser.declareField(ParsedSingleValueNumericMetricsAggregation::setValue,
(parser, context) -> parseValue(parser, defaultNullValue), CommonFields.VALUE, ValueType.DOUBLE_OR_NULL);
objectParser.declareString(ParsedSingleValueNumericMetricsAggregation::setValueAsString, CommonFields.VALUE_AS_STRING);
}
}

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@ -62,7 +62,7 @@ public class ParsedCardinality extends ParsedAggregation implements Cardinality
CardinalityAggregationBuilder.NAME, true, ParsedCardinality::new);
static {
declareCommonFields(PARSER);
declareAggregationFields(PARSER);
PARSER.declareLong(ParsedCardinality::setValue, CommonFields.VALUE);
}

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@ -0,0 +1,62 @@
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.search.aggregations.metrics.max;
import org.elasticsearch.common.xcontent.ObjectParser;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.search.aggregations.metrics.ParsedSingleValueNumericMetricsAggregation;
import java.io.IOException;
public class ParsedMax extends ParsedSingleValueNumericMetricsAggregation implements Max {
@Override
public double getValue() {
return value();
}
@Override
protected String getType() {
return MaxAggregationBuilder.NAME;
}
@Override
protected XContentBuilder doXContentBody(XContentBuilder builder, Params params) throws IOException {
boolean hasValue = !Double.isInfinite(value);
builder.field(CommonFields.VALUE.getPreferredName(), hasValue ? value : null);
if (hasValue && valueAsString != null) {
builder.field(CommonFields.VALUE_AS_STRING.getPreferredName(), valueAsString);
}
return builder;
}
private static final ObjectParser<ParsedMax, Void> PARSER = new ObjectParser<>(ParsedMax.class.getSimpleName(), true, ParsedMax::new);
static {
declareSingeValueFields(PARSER, Double.NEGATIVE_INFINITY);
}
public static ParsedMax fromXContent(XContentParser parser, final String name) {
ParsedMax max = PARSER.apply(parser, null);
max.setName(name);
return max;
}
}

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@ -0,0 +1,62 @@
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.search.aggregations.metrics.min;
import org.elasticsearch.common.xcontent.ObjectParser;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.search.aggregations.metrics.ParsedSingleValueNumericMetricsAggregation;
import java.io.IOException;
public class ParsedMin extends ParsedSingleValueNumericMetricsAggregation implements Min {
@Override
public double getValue() {
return value();
}
@Override
protected String getType() {
return MinAggregationBuilder.NAME;
}
@Override
protected XContentBuilder doXContentBody(XContentBuilder builder, Params params) throws IOException {
boolean hasValue = !Double.isInfinite(value);
builder.field(CommonFields.VALUE.getPreferredName(), hasValue ? value : null);
if (hasValue && valueAsString != null) {
builder.field(CommonFields.VALUE_AS_STRING.getPreferredName(), valueAsString);
}
return builder;
}
private static final ObjectParser<ParsedMin, Void> PARSER = new ObjectParser<>(ParsedMin.class.getSimpleName(), true, ParsedMin::new);
static {
declareSingeValueFields(PARSER, Double.POSITIVE_INFINITY);
}
public static ParsedMin fromXContent(XContentParser parser, final String name) {
ParsedMin min = PARSER.apply(parser, null);
min.setName(name);
return min;
}
}

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@ -120,7 +120,7 @@ public abstract class AbstractParsedPercentiles extends ParsedAggregation implem
}
protected static void declarePercentilesFields(ObjectParser<? extends AbstractParsedPercentiles, Void> objectParser) {
ParsedAggregation.declareCommonFields(objectParser);
ParsedAggregation.declareAggregationFields(objectParser);
objectParser.declareField((parser, aggregation, context) -> {
XContentParser.Token token = parser.currentToken();

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@ -35,6 +35,10 @@ import org.elasticsearch.script.ScriptService;
import org.elasticsearch.search.SearchModule;
import org.elasticsearch.search.aggregations.metrics.cardinality.CardinalityAggregationBuilder;
import org.elasticsearch.search.aggregations.metrics.cardinality.ParsedCardinality;
import org.elasticsearch.search.aggregations.metrics.max.MaxAggregationBuilder;
import org.elasticsearch.search.aggregations.metrics.max.ParsedMax;
import org.elasticsearch.search.aggregations.metrics.min.MinAggregationBuilder;
import org.elasticsearch.search.aggregations.metrics.min.ParsedMin;
import org.elasticsearch.search.aggregations.metrics.percentiles.hdr.InternalHDRPercentileRanks;
import org.elasticsearch.search.aggregations.metrics.percentiles.hdr.ParsedHDRPercentileRanks;
import org.elasticsearch.search.aggregations.metrics.percentiles.tdigest.InternalTDigestPercentileRanks;
@ -67,6 +71,8 @@ public abstract class InternalAggregationTestCase<T extends InternalAggregation>
namedXContents.put(CardinalityAggregationBuilder.NAME, (p, c) -> ParsedCardinality.fromXContent(p, (String) c));
namedXContents.put(InternalHDRPercentileRanks.NAME, (p, c) -> ParsedHDRPercentileRanks.fromXContent(p, (String) c));
namedXContents.put(InternalTDigestPercentileRanks.NAME, (p, c) -> ParsedTDigestPercentileRanks.fromXContent(p, (String) c));
namedXContents.put(MinAggregationBuilder.NAME, (p, c) -> ParsedMin.fromXContent(p, (String) c));
namedXContents.put(MaxAggregationBuilder.NAME, (p, c) -> ParsedMax.fromXContent(p, (String) c));
return namedXContents.entrySet().stream()
.map(entry -> new NamedXContentRegistry.Entry(Aggregation.class, new ParseField(entry.getKey()), entry.getValue()))

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@ -90,7 +90,7 @@ public class ParsedAggregationTests extends ESTestCase {
private static ObjectParser<TestParsedAggregation, Void> PARSER = new ObjectParser<>("testAggParser", TestParsedAggregation::new);
static {
ParsedAggregation.declareCommonFields(PARSER);
ParsedAggregation.declareAggregationFields(PARSER);
}
@Override

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@ -22,18 +22,21 @@ package org.elasticsearch.search.aggregations.metrics;
import org.elasticsearch.common.io.stream.Writeable.Reader;
import org.elasticsearch.search.DocValueFormat;
import org.elasticsearch.search.aggregations.InternalAggregationTestCase;
import org.elasticsearch.search.aggregations.ParsedAggregation;
import org.elasticsearch.search.aggregations.metrics.max.InternalMax;
import org.elasticsearch.search.aggregations.metrics.max.ParsedMax;
import org.elasticsearch.search.aggregations.pipeline.PipelineAggregator;
import java.util.List;
import java.util.Map;
public class InternalMaxTests extends InternalAggregationTestCase<InternalMax> {
@Override
protected InternalMax createTestInstance(String name, List<PipelineAggregator> pipelineAggregators, Map<String, Object> metaData) {
return new InternalMax(name, randomDouble(),
randomFrom(DocValueFormat.BOOLEAN, DocValueFormat.GEOHASH, DocValueFormat.IP, DocValueFormat.RAW), pipelineAggregators,
metaData);
double value = frequently() ? randomDouble() : randomFrom(new Double[] { Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY });
DocValueFormat formatter = randomFrom(new DocValueFormat.Decimal("###.##"), DocValueFormat.BOOLEAN, DocValueFormat.RAW);
return new InternalMax(name, value, formatter, pipelineAggregators, metaData);
}
@Override
@ -45,4 +48,17 @@ public class InternalMaxTests extends InternalAggregationTestCase<InternalMax> {
protected void assertReduced(InternalMax reduced, List<InternalMax> inputs) {
assertEquals(inputs.stream().mapToDouble(InternalMax::value).max().getAsDouble(), reduced.value(), 0);
}
@Override
protected void assertFromXContent(InternalMax max, ParsedAggregation parsedAggregation) {
ParsedMax parsed = ((ParsedMax) parsedAggregation);
if (Double.isInfinite(max.getValue()) == false) {
assertEquals(max.getValue(), parsed.getValue(), Double.MIN_VALUE);
assertEquals(max.getValueAsString(), parsed.getValueAsString());
} else {
// we write Double.NEGATIVE_INFINITY and Double.POSITIVE_INFINITY to xContent as 'null', so we
// cannot differentiate between them. Also we cannot recreate the exact String representation
assertEquals(parsed.getValue(), Double.NEGATIVE_INFINITY, 0);
}
}
}

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@ -22,6 +22,7 @@ package org.elasticsearch.search.aggregations.metrics.min;
import org.elasticsearch.common.io.stream.Writeable.Reader;
import org.elasticsearch.search.DocValueFormat;
import org.elasticsearch.search.aggregations.InternalAggregationTestCase;
import org.elasticsearch.search.aggregations.ParsedAggregation;
import org.elasticsearch.search.aggregations.pipeline.PipelineAggregator;
import java.util.List;
@ -30,9 +31,9 @@ import java.util.Map;
public class InternalMinTests extends InternalAggregationTestCase<InternalMin> {
@Override
protected InternalMin createTestInstance(String name, List<PipelineAggregator> pipelineAggregators, Map<String, Object> metaData) {
return new InternalMin(name, randomDouble(),
randomFrom(DocValueFormat.BOOLEAN, DocValueFormat.GEOHASH, DocValueFormat.IP, DocValueFormat.RAW), pipelineAggregators,
metaData);
double value = frequently() ? randomDouble() : randomFrom(new Double[] { Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY });
DocValueFormat formatter = randomFrom(new DocValueFormat.Decimal("###.##"), DocValueFormat.BOOLEAN, DocValueFormat.RAW);
return new InternalMin(name, value, formatter, pipelineAggregators, metaData);
}
@Override
@ -44,4 +45,17 @@ public class InternalMinTests extends InternalAggregationTestCase<InternalMin> {
protected void assertReduced(InternalMin reduced, List<InternalMin> inputs) {
assertEquals(inputs.stream().mapToDouble(InternalMin::value).min().getAsDouble(), reduced.value(), 0);
}
@Override
protected void assertFromXContent(InternalMin min, ParsedAggregation parsedAggregation) {
ParsedMin parsed = ((ParsedMin) parsedAggregation);
if (Double.isInfinite(min.getValue()) == false) {
assertEquals(min.getValue(), parsed.getValue(), Double.MIN_VALUE);
assertEquals(min.getValueAsString(), parsed.getValueAsString());
} else {
// we write Double.NEGATIVE_INFINITY and Double.POSITIVE_INFINITY to xContent as 'null', so we
// cannot differentiate between them. Also we cannot recreate the exact String representation
assertEquals(parsed.getValue(), Double.POSITIVE_INFINITY, 0);
}
}
}