Java Type.isSame方法代碼示例

import org.hibernate.type.Type; //導入方法依賴的package包/類
@Override
public boolean needsInserting(Object entry, int i, Type elemType) throws HibernateException {
	final List sn = (List) getSnapshot();
	if ( sn.size() > i && elemType.isSame( sn.get( i ), entry ) ) {
		//a shortcut if its location didn't change!
		return false;
	}
	else {
		//search for it
		//note that this code is incorrect for other than one-to-many
		for ( Object old : sn ) {
			if ( elemType.isSame( old, entry ) ) {
				return false;
			}
		}
		return true;
	}
}
 

import org.hibernate.type.Type; //導入方法依賴的package包/類
private int countOccurrences(Object element, List list, Type elementType)
		throws HibernateException {
	final Iterator iter = list.iterator();
	int result = 0;
	while ( iter.hasNext() ) {
		if ( elementType.isSame( element, iter.next() ) ) {
			result++;
		}
	}
	return result;
}
 

import org.hibernate.type.Type; //導入方法依賴的package包/類
@Override
@SuppressWarnings("unchecked")
public Iterator getDeletes(CollectionPersister persister, boolean indexIsFormula) throws HibernateException {
	final Type elementType = persister.getElementType();
	final ArrayList deletes = new ArrayList();
	final List sn = (List) getSnapshot();
	final Iterator olditer = sn.iterator();
	int i=0;
	while ( olditer.hasNext() ) {
		final Object old = olditer.next();
		final Iterator newiter = bag.iterator();
		boolean found = false;
		if ( bag.size()>i && elementType.isSame( old, bag.get( i++ ) ) ) {
		//a shortcut if its location didn't change!
			found = true;
		}
		else {
			//search for it
			//note that this code is incorrect for other than one-to-many
			while ( newiter.hasNext() ) {
				if ( elementType.isSame( old, newiter.next() ) ) {
					found = true;
					break;
				}
			}
		}
		if ( !found ) {
			deletes.add( old );
		}
	}
	return deletes.iterator();
}