/*
* 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.test.engine;
import org.apache.lucene.document.Document;
import org.apache.lucene.index.IndexableField;
import org.hibernate.search.bridge.LuceneOptions;
import org.hibernate.search.bridge.TwoWayFieldBridge;
/**
* Assumes values are strings containing integer pairs in the form "12;34"
* (strongly assumes valid format)
*/
public class CoordinatesPairFieldBridge implements TwoWayFieldBridge {
@Override
public void set(String name, Object value, Document document, LuceneOptions luceneOptions) {
String[] coordinates = value.toString().split( ";" );
Double x = Double.parseDouble( coordinates[0] );
Double y = Double.parseDouble( coordinates[1] );
luceneOptions.addNumericFieldToDocument( getXFieldName( name ), x, document );
luceneOptions.addNumericFieldToDocument( getYFieldName( name ), y, document );
}
@Override
public Object get(String name, Document document) {
StringBuilder sb = new StringBuilder( 7 );
IndexableField xFieldable = document.getField( getXFieldName( name ) );
IndexableField yFieldable = document.getField( getYFieldName( name ) );
appendValue( xFieldable, sb );
sb.append( ';' );
appendValue( yFieldable, sb );
return sb.toString();
}
private void appendValue(final IndexableField field, final StringBuilder sb) {
if ( field != null ) {
sb.append( field.stringValue() );
}
else {
sb.append( '0' );
}
}
@Override
public String objectToString(Object object) {
return object.toString();
}
private String getYFieldName(final String name) {
return name + "_y";
}
private String getXFieldName(final String name) {
return name + "_x";
}
}