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/*
* 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.action.admin.cluster.stats;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.cluster.metadata.MappingMetaData;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.io.stream.Writeable;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.ToXContentFragment;
import org.elasticsearch.common.xcontent.XContentBuilder;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
/**
* Statistics about analysis usage.
*/
public final class AnalysisStats implements ToXContentFragment, Writeable {
/**
* Create {@link AnalysisStats} from the given cluster state.
*/
public static AnalysisStats of(ClusterState state) {
final Map usedCharFilterTypes = new HashMap<>();
final Map usedTokenizerTypes = new HashMap<>();
final Map usedTokenFilterTypes = new HashMap<>();
final Map usedAnalyzerTypes = new HashMap<>();
final Map usedBuiltInCharFilters = new HashMap<>();
final Map usedBuiltInTokenizers = new HashMap<>();
final Map usedBuiltInTokenFilters = new HashMap<>();
final Map usedBuiltInAnalyzers = new HashMap<>();
for (IndexMetaData indexMetaData : state.metaData()) {
Set indexAnalyzers = new HashSet<>();
MappingMetaData mappingMetaData = indexMetaData.mapping();
if (mappingMetaData != null) {
MappingVisitor.visitMapping(mappingMetaData.getSourceAsMap(), fieldMapping -> {
for (String key : new String[] { "analyzer", "search_analyzer", "search_quote_analyzer" }) {
Object analyzerO = fieldMapping.get(key);
if (analyzerO != null) {
final String analyzer = analyzerO.toString();
IndexFeatureStats stats = usedBuiltInAnalyzers.computeIfAbsent(analyzer, IndexFeatureStats::new);
stats.count++;
if (indexAnalyzers.add(analyzer)) {
stats.indexCount++;
}
}
}
});
}
Set indexCharFilters = new HashSet<>();
Set indexTokenizers = new HashSet<>();
Set indexTokenFilters = new HashSet<>();
Set indexAnalyzerTypes = new HashSet<>();
Set indexCharFilterTypes = new HashSet<>();
Set indexTokenizerTypes = new HashSet<>();
Set indexTokenFilterTypes = new HashSet<>();
Settings indexSettings = indexMetaData.getSettings();
Map analyzerSettings = indexSettings.getGroups("index.analysis.analyzer");
usedBuiltInAnalyzers.keySet().removeAll(analyzerSettings.keySet());
for (Settings analyzerSetting : analyzerSettings.values()) {
final String analyzerType = analyzerSetting.get("type", "custom");
IndexFeatureStats stats = usedAnalyzerTypes.computeIfAbsent(analyzerType, IndexFeatureStats::new);
stats.count++;
if (indexAnalyzerTypes.add(analyzerType)) {
stats.indexCount++;
}
for (String charFilter : analyzerSetting.getAsList("char_filter")) {
stats = usedBuiltInCharFilters.computeIfAbsent(charFilter, IndexFeatureStats::new);
stats.count++;
if (indexCharFilters.add(charFilter)) {
stats.indexCount++;
}
}
String tokenizer = analyzerSetting.get("tokenizer");
if (tokenizer != null) {
stats = usedBuiltInTokenizers.computeIfAbsent(tokenizer, IndexFeatureStats::new);
stats.count++;
if (indexTokenizers.add(tokenizer)) {
stats.indexCount++;
}
}
for (String filter : analyzerSetting.getAsList("filter")) {
stats = usedBuiltInTokenFilters.computeIfAbsent(filter, IndexFeatureStats::new);
stats.count++;
if (indexTokenFilters.add(filter)) {
stats.indexCount++;
}
}
}
Map charFilterSettings = indexSettings.getGroups("index.analysis.char_filter");
usedBuiltInCharFilters.keySet().removeAll(charFilterSettings.keySet());
aggregateAnalysisTypes(charFilterSettings.values(), usedCharFilterTypes, indexCharFilterTypes);
Map tokenizerSettings = indexSettings.getGroups("index.analysis.tokenizer");
usedBuiltInTokenizers.keySet().removeAll(tokenizerSettings.keySet());
aggregateAnalysisTypes(tokenizerSettings.values(), usedTokenizerTypes, indexTokenizerTypes);
Map tokenFilterSettings = indexSettings.getGroups("index.analysis.filter");
usedBuiltInTokenFilters.keySet().removeAll(tokenFilterSettings.keySet());
aggregateAnalysisTypes(tokenFilterSettings.values(), usedTokenFilterTypes, indexTokenFilterTypes);
}
return new AnalysisStats(usedCharFilterTypes.values(), usedTokenizerTypes.values(), usedTokenFilterTypes.values(),
usedAnalyzerTypes.values(), usedBuiltInCharFilters.values(), usedBuiltInTokenizers.values(),
usedBuiltInTokenFilters.values(), usedBuiltInAnalyzers.values());
}
private static void aggregateAnalysisTypes(
Collection settings,
Map stats,
Set indexTypes) {
for (Settings analysisComponentSettings : settings) {
final String type = analysisComponentSettings.get("type");
if (type != null) {
IndexFeatureStats s = stats.computeIfAbsent(type, IndexFeatureStats::new);
s.count++;
if (indexTypes.add(type)) {
s.indexCount++;
}
}
}
}
private static Set sort(Collection set) {
List list = new ArrayList<>(set);
list.sort(Comparator.comparing(IndexFeatureStats::getName));
return Collections.unmodifiableSet(new LinkedHashSet<>(list));
}
private final Set usedCharFilters, usedTokenizers, usedTokenFilters, usedAnalyzers;
private final Set usedBuiltInCharFilters, usedBuiltInTokenizers, usedBuiltInTokenFilters, usedBuiltInAnalyzers;
AnalysisStats(
Collection usedCharFilters,
Collection usedTokenizers,
Collection usedTokenFilters,
Collection usedAnalyzers,
Collection usedBuiltInCharFilters,
Collection usedBuiltInTokenizers,
Collection usedBuiltInTokenFilters,
Collection usedBuiltInAnalyzers) {
this.usedCharFilters = sort(usedCharFilters);
this.usedTokenizers = sort(usedTokenizers);
this.usedTokenFilters = sort(usedTokenFilters);
this.usedAnalyzers = sort(usedAnalyzers);
this.usedBuiltInCharFilters = sort(usedBuiltInCharFilters);
this.usedBuiltInTokenizers = sort(usedBuiltInTokenizers);
this.usedBuiltInTokenFilters = sort(usedBuiltInTokenFilters);
this.usedBuiltInAnalyzers = sort(usedBuiltInAnalyzers);
}
public AnalysisStats(StreamInput input) throws IOException {
usedCharFilters = Collections.unmodifiableSet(new LinkedHashSet<>(input.readList(IndexFeatureStats::new)));
usedTokenizers = Collections.unmodifiableSet(new LinkedHashSet<>(input.readList(IndexFeatureStats::new)));
usedTokenFilters = Collections.unmodifiableSet(new LinkedHashSet<>(input.readList(IndexFeatureStats::new)));
usedAnalyzers = Collections.unmodifiableSet(new LinkedHashSet<>(input.readList(IndexFeatureStats::new)));
usedBuiltInCharFilters = Collections.unmodifiableSet(new LinkedHashSet<>(input.readList(IndexFeatureStats::new)));
usedBuiltInTokenizers = Collections.unmodifiableSet(new LinkedHashSet<>(input.readList(IndexFeatureStats::new)));
usedBuiltInTokenFilters = Collections.unmodifiableSet(new LinkedHashSet<>(input.readList(IndexFeatureStats::new)));
usedBuiltInAnalyzers = Collections.unmodifiableSet(new LinkedHashSet<>(input.readList(IndexFeatureStats::new)));
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeCollection(usedCharFilters);
out.writeCollection(usedTokenizers);
out.writeCollection(usedTokenFilters);
out.writeCollection(usedAnalyzers);
out.writeCollection(usedBuiltInCharFilters);
out.writeCollection(usedBuiltInTokenizers);
out.writeCollection(usedBuiltInTokenFilters);
out.writeCollection(usedBuiltInAnalyzers);
}
/**
* Return the set of used char filters in the cluster.
*/
public Set getUsedCharFilterTypes() {
return usedCharFilters;
}
/**
* Return the set of used tokenizers in the cluster.
*/
public Set getUsedTokenizerTypes() {
return usedTokenizers;
}
/**
* Return the set of used token filters in the cluster.
*/
public Set getUsedTokenFilterTypes() {
return usedTokenFilters;
}
/**
* Return the set of used analyzers in the cluster.
*/
public Set getUsedAnalyzerTypes() {
return usedAnalyzers;
}
/**
* Return the set of used built-in char filters in the cluster.
*/
public Set getUsedBuiltInCharFilters() {
return usedBuiltInCharFilters;
}
/**
* Return the set of used built-in tokenizers in the cluster.
*/
public Set getUsedBuiltInTokenizers() {
return usedBuiltInTokenizers;
}
/**
* Return the set of used built-in token filters in the cluster.
*/
public Set getUsedBuiltInTokenFilters() {
return usedBuiltInTokenFilters;
}
/**
* Return the set of used built-in analyzers in the cluster.
*/
public Set getUsedBuiltInAnalyzers() {
return usedBuiltInAnalyzers;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
AnalysisStats that = (AnalysisStats) o;
return Objects.equals(usedCharFilters, that.usedCharFilters) &&
Objects.equals(usedTokenizers, that.usedTokenizers) &&
Objects.equals(usedTokenFilters, that.usedTokenFilters) &&
Objects.equals(usedAnalyzers, that.usedAnalyzers) &&
Objects.equals(usedBuiltInCharFilters, that.usedBuiltInCharFilters) &&
Objects.equals(usedBuiltInTokenizers, that.usedBuiltInTokenizers) &&
Objects.equals(usedBuiltInTokenFilters, that.usedBuiltInTokenFilters) &&
Objects.equals(usedBuiltInAnalyzers, that.usedBuiltInAnalyzers);
}
@Override
public int hashCode() {
return Objects.hash(usedCharFilters, usedTokenizers, usedTokenFilters, usedAnalyzers, usedBuiltInCharFilters,
usedBuiltInTokenizers, usedBuiltInTokenFilters, usedBuiltInAnalyzers);
}
private void toXContentCollection(XContentBuilder builder, Params params, String name, Collection coll)
throws IOException {
builder.startArray(name);
for (ToXContent toXContent : coll) {
toXContent.toXContent(builder, params);
}
builder.endArray();
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.startObject("analysis");
toXContentCollection(builder, params, "char_filter_types", usedCharFilters);
toXContentCollection(builder, params, "tokenizer_types", usedTokenizers);
toXContentCollection(builder, params, "filter_types", usedTokenFilters);
toXContentCollection(builder, params, "analyzer_types", usedAnalyzers);
toXContentCollection(builder, params, "built_in_char_filters", usedBuiltInCharFilters);
toXContentCollection(builder, params, "built_in_tokenizers", usedBuiltInTokenizers);
toXContentCollection(builder, params, "built_in_filters", usedBuiltInTokenFilters);
toXContentCollection(builder, params, "built_in_analyzers", usedBuiltInAnalyzers);
builder.endObject();
return builder;
}
@Override
public String toString() {
return Strings.toString(this, true, true);
}
}