CollectionBridge.java

package fi.otavanopisto.pyramus.persistence.search;

import java.util.Collection;

import org.apache.lucene.document.Document;
import org.hibernate.search.bridge.FieldBridge;
import org.hibernate.search.bridge.LuceneOptions;

public class CollectionBridge implements FieldBridge {

  public CollectionBridge() {
  }

  @Override
  public void set(String name, Object value, Document document, LuceneOptions luceneOptions) {
    if (value == null) {
      return;
    }
    
    if (!(value instanceof Collection)) {
      throw new IllegalArgumentException("This FieldBridge only supports Collection<String>.");
    }
    
    @SuppressWarnings("unchecked")
    Collection<String> objects = (Collection<String>) value;

    for (String object : objects) {
      luceneOptions.addFieldToDocument(name, object, document); 
    }
  }

}