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ElasticsearchIndexFieldType.java
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ElasticsearchIndexFieldType.java
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/*
* Hibernate Search, full-text search for your domain model
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.search.backend.elasticsearch.types.impl;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;
import org.hibernate.search.backend.elasticsearch.lowlevel.index.mapping.impl.PropertyMapping;
import org.hibernate.search.backend.elasticsearch.search.impl.ElasticsearchSearchFieldQueryElementFactory;
import org.hibernate.search.backend.elasticsearch.search.impl.ElasticsearchSearchFieldTypeContext;
import org.hibernate.search.backend.elasticsearch.search.impl.SearchQueryElementTypeKey;
import org.hibernate.search.backend.elasticsearch.types.codec.impl.ElasticsearchFieldCodec;
import org.hibernate.search.engine.backend.metamodel.IndexValueFieldTypeDescriptor;
import org.hibernate.search.engine.backend.types.IndexFieldType;
import org.hibernate.search.engine.backend.types.converter.FromDocumentFieldValueConverter;
import org.hibernate.search.engine.backend.types.converter.ToDocumentFieldValueConverter;
import org.hibernate.search.engine.backend.types.converter.spi.DslConverter;
import org.hibernate.search.engine.backend.types.converter.spi.PassThroughFromDocumentFieldValueConverter;
import org.hibernate.search.engine.backend.types.converter.spi.PassThroughToDocumentFieldValueConverter;
import org.hibernate.search.engine.backend.types.converter.spi.ProjectionConverter;
public class ElasticsearchIndexFieldType<F>
implements IndexValueFieldTypeDescriptor, IndexFieldType<F>, ElasticsearchSearchFieldTypeContext<F> {
private final Class<F> valueType;
private final DslConverter<F, F> rawDslConverter;
private final ProjectionConverter<F, F> rawProjectionConverter;
private final ElasticsearchFieldCodec<F> codec;
private final DslConverter<?, F> dslConverter;
private final ProjectionConverter<F, ?> projectionConverter;
private final boolean searchable;
private final boolean sortable;
private final boolean projectable;
private final boolean aggregable;
private final Map<SearchQueryElementTypeKey<?>, ElasticsearchSearchFieldQueryElementFactory<?, F>> queryElementFactories;
private final String analyzerName;
private final String searchAnalyzerName;
private final String normalizerName;
private final PropertyMapping mapping;
public ElasticsearchIndexFieldType(Builder<F> builder) {
this.valueType = builder.valueType;
this.rawDslConverter = builder.rawDslConverter;
this.rawProjectionConverter = builder.rawProjectionConverter;
this.codec = builder.codec;
this.dslConverter = builder.dslConverter != null ? builder.dslConverter : rawDslConverter;
this.projectionConverter = builder.projectionConverter != null ? builder.projectionConverter : rawProjectionConverter;
this.searchable = builder.searchable;
this.sortable = builder.sortable;
this.projectable = builder.projectable;
this.aggregable = builder.aggregable;
this.queryElementFactories = builder.queryElementFactories;
this.analyzerName = builder.analyzerName;
this.searchAnalyzerName = builder.searchAnalyzerName != null ? builder.searchAnalyzerName : builder.analyzerName;
this.normalizerName = builder.normalizerName;
this.mapping = builder.mapping;
}
@Override
public String toString() {
return getClass().getSimpleName() + "["
+ "mapping=" + mapping.toString()
+ ", capabilities=" + queryElementFactories.keySet()
+ "]";
}
@Override
public Class<F> valueClass() {
return valueType;
}
public ElasticsearchFieldCodec<F> codec() {
return codec;
}
@Override
public boolean searchable() {
return searchable;
}
@Override
public boolean sortable() {
return sortable;
}
@Override
public boolean projectable() {
return projectable;
}
@Override
public boolean aggregable() {
return aggregable;
}
@Override
public Class<?> dslArgumentClass() {
return dslConverter.valueType();
}
@Override
public DslConverter<?, F> dslConverter() {
return dslConverter;
}
@Override
public DslConverter<F, F> rawDslConverter() {
return rawDslConverter;
}
@Override
public Class<?> projectedValueClass() {
return projectionConverter.valueType();
}
@Override
public ProjectionConverter<F, ?> projectionConverter() {
return projectionConverter;
}
@Override
public ProjectionConverter<F, F> rawProjectionConverter() {
return rawProjectionConverter;
}
@Override
public Optional<String> analyzerName() {
return Optional.ofNullable( analyzerName );
}
@Override
public Optional<String> normalizerName() {
return Optional.ofNullable( normalizerName );
}
@Override
public boolean hasNormalizerOnAtLeastOneIndex() {
return normalizerName().isPresent();
}
@Override
public Optional<String> searchAnalyzerName() {
return Optional.ofNullable( searchAnalyzerName );
}
@SuppressWarnings("unchecked") // The cast is safe by construction; see the builder.
@Override
public <T> ElasticsearchSearchFieldQueryElementFactory<T, F> queryElementFactory(SearchQueryElementTypeKey<T> key) {
return (ElasticsearchSearchFieldQueryElementFactory<T, F>) queryElementFactories.get( key );
}
public PropertyMapping mapping() {
return mapping;
}
public static class Builder<F> {
private final Class<F> valueType;
private final DslConverter<F, F> rawDslConverter;
private final ProjectionConverter<F, F> rawProjectionConverter;
private ElasticsearchFieldCodec<F> codec;
private DslConverter<?, F> dslConverter;
private ProjectionConverter<F, ?> projectionConverter;
private boolean searchable;
private boolean sortable;
private boolean projectable;
private boolean aggregable;
private final Map<SearchQueryElementTypeKey<?>, ElasticsearchSearchFieldQueryElementFactory<?, F>>
queryElementFactories = new HashMap<>();
private String analyzerName;
private String searchAnalyzerName;
private String normalizerName;
private final PropertyMapping mapping;
public Builder(Class<F> valueType, PropertyMapping mapping) {
this.valueType = valueType;
this.rawDslConverter = new DslConverter<>( valueType, new PassThroughToDocumentFieldValueConverter<>() );
this.rawProjectionConverter = new ProjectionConverter<>( valueType, new PassThroughFromDocumentFieldValueConverter<>() );
this.mapping = mapping;
}
public Class<F> valueType() {
return valueType;
}
public void codec(ElasticsearchFieldCodec<F> codec) {
this.codec = codec;
}
public ElasticsearchFieldCodec<F> codec() {
return codec;
}
public <V> void dslConverter(Class<V> valueType, ToDocumentFieldValueConverter<V, ? extends F> toIndexConverter) {
this.dslConverter = new DslConverter<>( valueType, toIndexConverter );
}
public <V> void projectionConverter(Class<V> valueType, FromDocumentFieldValueConverter<? super F, V> fromIndexConverter) {
this.projectionConverter = new ProjectionConverter<>( valueType, fromIndexConverter );
}
public void searchable(boolean searchable) {
this.searchable = searchable;
}
public void sortable(boolean sortable) {
this.sortable = sortable;
}
public void projectable(boolean projectable) {
this.projectable = projectable;
}
public void aggregable(boolean aggregable) {
this.aggregable = aggregable;
}
public <T> void queryElementFactory(SearchQueryElementTypeKey<T> key,
ElasticsearchSearchFieldQueryElementFactory<T, F> factory) {
queryElementFactories.put( key, factory );
}
public void analyzerName(String analyzerName) {
this.analyzerName = analyzerName;
}
public void searchAnalyzerName(String searchAnalyzerName) {
this.searchAnalyzerName = searchAnalyzerName;
}
public void normalizerName(String normalizerName) {
this.normalizerName = normalizerName;
}
public PropertyMapping mapping() {
return mapping;
}
public ElasticsearchIndexFieldType<F> build() {
return new ElasticsearchIndexFieldType<>( this );
}
}
}