# In.java

    package org.codefilarete.stalactite.query.model.operator;

    import org.codefilarete.stalactite.query.model.ValuedVariable;
    import org.codefilarete.stalactite.query.api.Variable;
    import org.codefilarete.tool.collection.Arrays;
    import org.codefilarete.stalactite.query.model.ConditionalOperator;

    /**
     * Represents a "in" comparison
     *
     * @author Guillaume Mary
     */
    public class In<O> extends ConditionalOperator<O, Iterable<O>> {

    	private Variable<Iterable<O>> value;

    	public In() {
    	}

    	public In(Variable<Iterable<O>> value) {
    		this.value = value;
    	}

    	public In(Iterable<O> value) {
    		this(new ValuedVariable<>(value));
    	}

    	public In(O[] value) {
    		this(Arrays.asList(value));
    	}

    	public Variable<Iterable<O>> getValue() {
    		return value;
    	}

    	@Override
    	public void setValue(Variable<Iterable<O>> value) {
    		this.value = value;
    	}

    	@Override
    	public boolean isNull() {
    		return this.value instanceof ValuedVariable && ((ValuedVariable<Iterable<O>>) this.value).getValue() == null;
    	}

    	public InIgnoreCase ignoringCase() {
    		return new InIgnoreCase((In<String>) this);
    	}
    }