<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE hibernate-mapping PUBLIC
    "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
    "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping>
    <class
        name="com.mmi.intouch.model.Issue"
        table="issue">

        <id
            name="id"
            column="issue_id"
            type="java.lang.Integer"
            unsaved-value="null">
            <generator class="increment" />
        </id>

        <property
            name="escalate"
            type="yes_no"
            update="true"
            insert="true"
            column="escalate"
        />
...

public class Issue extends BaseObject {

private Integer id;
private Boolean escalate = true;
   
    public Boolean getEscalate() {
        return escalate;
    }
    public void setEscalate(Boolean escalate) {
        this.escalate = escalate;
    }
   
    public Integer getId() {
       return id;
    }
    public void setId(Integer id) {
       this.id = id;
    }
...
}

Example ex = Example.create(issue).excludeZeroes().ignoreCase().enableLike(MatchMode.ANYWHERE);
Criteria c =  session.createCriteria(Issue.class).add(ex);
return c.list();

select [...] from issue this_ inner join citizen citizen1_ on this_.citizen_id=citizen1_.citizen_id inner join street_type streettype2_ on citizen1_.loc_street_type_id=streettype2_.street_type_id where (1=1) and this_.escalate=? and (1=1) and (streettype2_.abbreviation=?) and this_.created>? and this_.created<?
[InTouch] DEBUG [main] NullableType.nullSafeSet(59) | binding 'true' to parameter: 1
[InTouch] DEBUG [main] NullableType.nullSafeSet(59) | binding 'RD' to parameter: 2
[InTouch] DEBUG [main] NullableType.nullSafeSet(52) | binding null to parameter: 3
[InTouch] DEBUG [main] NullableType.nullSafeSet(52) | binding null to parameter: 4