ecological-engine/src/main/java/org/gcube/dataanalysis/ecoengine/utils/AliasToEntityOrderedMapResu...

57 lines
1.5 KiB
Java

package org.gcube.dataanalysis.ecoengine.utils;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import org.gcube.dataanalysis.ecoengine.configuration.AlgorithmConfiguration;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.transform.BasicTransformerAdapter;
public class AliasToEntityOrderedMapResultTransformer extends BasicTransformerAdapter {
public static final AliasToEntityOrderedMapResultTransformer INSTANCE = new AliasToEntityOrderedMapResultTransformer();
/**
* Disallow instantiation of AliasToEntityOrderedMapResultTransformer .
*/
private AliasToEntityOrderedMapResultTransformer () {
super();
}
/**
* {@inheritDoc}
*/
public Object transformTuple(Object[] tuple, String[] aliases) {
//linkedhashmap to get table column name in order
Map result = new LinkedHashMap(tuple.length);
for ( int i=0; i<tuple.length; i++ ) {
String alias = aliases[i];
if ( alias!=null ) {
result.put( alias, tuple[i] );
}
}
return result;
}
/**
* {@inheritDoc}
*/
public boolean isTransformedValueATupleElement(String[] aliases, int tupleLength) {
return false;
}
/**
* Serialization hook for ensuring singleton uniqueing.
*
* @return The singleton instance : {@link #INSTANCE}
*/
private Object readResolve() {
return INSTANCE;
}
}