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DefaultUUIDValueBridge.java
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DefaultUUIDValueBridge.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.mapper.pojo.bridge.builtin.impl;
import java.util.UUID;
import org.hibernate.search.engine.backend.types.converter.FromDocumentFieldValueConverter;
import org.hibernate.search.engine.backend.types.converter.runtime.FromDocumentFieldValueConvertContext;
import org.hibernate.search.engine.backend.types.dsl.StandardIndexFieldTypeContext;
import org.hibernate.search.engine.cfg.spi.ValidateUtils;
import org.hibernate.search.mapper.pojo.bridge.ValueBridge;
import org.hibernate.search.mapper.pojo.bridge.binding.ValueBridgeBindingContext;
import org.hibernate.search.mapper.pojo.bridge.runtime.ValueBridgeToIndexedValueContext;
public final class DefaultUUIDValueBridge implements ValueBridge<UUID, String> {
@Override
public String toString() {
return getClass().getSimpleName();
}
@Override
@SuppressWarnings("unchecked") // The bridge resolver performs the checks using reflection
public StandardIndexFieldTypeContext<?, String> bind(ValueBridgeBindingContext<UUID> context) {
return context.getTypeFactory().asString()
.projectionConverter( PojoDefaultUUIDFromDocumentFieldValueConverter.INSTANCE );
}
@Override
public String toIndexedValue(UUID value, ValueBridgeToIndexedValueContext context) {
return value == null ? null : value.toString();
}
@Override
public UUID cast(Object value) {
return (UUID) value;
}
@Override
public String parse(String value) {
ValidateUtils.validateUUID( value );
return value;
}
@Override
public boolean isCompatibleWith(ValueBridge<?, ?> other) {
return getClass().equals( other.getClass() );
}
private static class PojoDefaultUUIDFromDocumentFieldValueConverter
implements FromDocumentFieldValueConverter<String, UUID> {
private static final PojoDefaultUUIDFromDocumentFieldValueConverter INSTANCE = new PojoDefaultUUIDFromDocumentFieldValueConverter();
@Override
public boolean isConvertedTypeAssignableTo(Class<?> superTypeCandidate) {
return superTypeCandidate.isAssignableFrom( UUID.class );
}
@Override
public UUID convert(String value, FromDocumentFieldValueConvertContext context) {
return value == null ? null : UUID.fromString( value );
}
@Override
public boolean isCompatibleWith(FromDocumentFieldValueConverter<?, ?> other) {
return INSTANCE.equals( other );
}
}
}