# Where.java

    package org.codefilarete.stalactite.query.model;

    import org.codefilarete.stalactite.query.api.Selectable;
    import org.codefilarete.tool.collection.Iterables;

    /**
     * @author Guillaume Mary
     */
    public class Where extends Criteria<Where> {

    	public Where() {
    	}

    	public Where(Selectable<?> column, String condition) {
    		super(column, condition);
    	}

    	public <O> Where(Selectable<O> column, ConditionalOperator<? super O, ?> condition) {
    		super(column, condition);
    	}

    	public Where(Iterable<AbstractCriterion> conditions) {
    		if (!Iterables.isEmpty(conditions)) {    // prevents from empty where causing malformed SQL
    			add(conditions);
    		}
    	}

    	public Where(Object... columns) {
    		super(columns);
    	}
    }