import java.io.Serializable;
import java.util.LinkedList;
import java.util.List;
import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.OneToMany;
import javax.persistence.Table;
import javax.persistence.Version;
import org.hibernate.annotations.IndexColumn;
import org.hibernate.envers.Audited;

@Entity @Audited @org.hibernate.annotations.Entity(dynamicInsert=true,dynamicUpdate=true)
public class Customer implements Serializable{
   private static final long serialVersionUID = -4050433485259292947L;
   @Id @GeneratedValue
   private long customerId;
   public long getCustomerId() {
      return customerId;
   }
   public void setCustomerId(long customerId) {
      this.customerId = customerId;
   }
   public String getFirstName() {
      return firstName;
   }
   public void setFirstName(String firstName) {
      this.firstName = firstName;
   }
   public String getLastName() {
      return lastName;
   }
   public void setLastName(String lastName) {
      this.lastName = lastName;
   }
   private String firstName;
   private String lastName;
   @Version
   private long recordVersionNumber;
   public long getRecordVersionNumber() {
      return recordVersionNumber;
   }
   public void setRecordVersionNumber(long recordVersionNumber) {
      this.recordVersionNumber = recordVersionNumber;
   }
   
   @OneToMany(cascade = CascadeType.ALL, orphanRemoval= true)
   @JoinColumn(name = "customer_id")
   @IndexColumn(name = "indx", base = 0)
   private List<Order> orders;
   public List<Order> getOrders() {
      if(orders == null)
         orders = new LinkedList<Order>();
      return orders;
   }
   public void setOrders(List<Order> orders) {
      if(orders == null)
         orders = new LinkedList<Order>();   
      this.orders = orders;
   }
   
   @OneToMany(cascade = CascadeType.ALL, orphanRemoval= true)
   @JoinColumn(name = "customer_id")
   @IndexColumn(name = "indx", base = 0)
   private List<Address> addresses;
   public List<Address> getAddresses() {
      if(addresses == null)
         addresses = new LinkedList<Address>();
      return addresses;
   }
   public void setAddresses(List<Address> addresses) {
      if(addresses == null)
         addresses = new LinkedList<Address>();
      this.addresses = addresses;
   }

}

-----------------------------------------------------------------------------

import java.io.Serializable;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Table;
import javax.persistence.Version;
import org.hibernate.envers.Audited;
@Entity(name="Addresses") @Audited
public class Address implements Serializable{
   private static final long serialVersionUID = 4438802452890577501L;
   @Id @GeneratedValue
   private long addressId;
   public long getAddressId() {
      return addressId;
   }
   public void setAddressId(long addressId) {
      this.addressId = addressId;
   }
   public long getAppt() {
      return appt;
   }
   public void setAppt(long appt) {
      this.appt = appt;
   }
   public String getStreet() {
      return street;
   }
   public void setStreet(String street) {
      this.street = street;
   }
   public String getCity() {
      return city;
   }
   public void setCity(String city) {
      this.city = city;
   }
   public String getState() {
      return state;
   }
   public void setState(String state) {
      this.state = state;
   }
   
   private long appt;
   private String street;
   private String city;
   private String state;
   @Version
   private long recordVersionNumber;
   public long getRecordVersionNumber() {
      return recordVersionNumber;
   }
   public void setRecordVersionNumber(long recordVersionNumber) {
      this.recordVersionNumber = recordVersionNumber;
   }

}


---------------------------------------------------------------------

import java.io.Serializable;
import java.util.LinkedList;
import java.util.List;
import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.OneToMany;
import javax.persistence.Table;
import javax.persistence.Version;
import org.hibernate.annotations.IndexColumn;
import org.hibernate.annotations.Type;
import org.hibernate.envers.Audited;
import org.joda.time.DateTime;
@Entity (name="Orders") @Audited @org.hibernate.annotations.Entity(dynamicInsert=true,dynamicUpdate=true)
public class Order implements Serializable{
   private static final long serialVersionUID = -4823870377932200112L;
   @Id @GeneratedValue
   private long orderId;
   private Boolean hazmatOrder;
   @Type(type="org.joda.time.contrib.hibernate.PersistentDateTime")
   protected DateTime createdTimestamp;
   public DateTime getCreatedTimestamp() {
      return createdTimestamp;
   }
   public void setCreatedTimestamp(DateTime createdTimestamp) {
      this.createdTimestamp = createdTimestamp;
   }
   public Boolean getHazmatOrder() {
      return hazmatOrder;
   }
   public void setHazmatOrder(Boolean hazmatOrder) {
      this.hazmatOrder = hazmatOrder;
   }
   public long getOrderId() {
      return orderId;
   }
   public void setOrderId(long orderId) {
      this.orderId = orderId;
   }
   public String getOrderDesc() {
      return orderDesc;
   }
   public void setOrderDesc(String orderDesc) {
      this.orderDesc = orderDesc;
   }
   public long getRecordVersionNumber() {
      return recordVersionNumber;
   }
   public void setRecordVersionNumber(long recordVersionNumber) {
      this.recordVersionNumber = recordVersionNumber;
   }
   private String orderDesc;
   @Version
   private long recordVersionNumber;
   
   @OneToMany(cascade = CascadeType.ALL, orphanRemoval= true)
   @JoinColumn(name = "order_id")
   @IndexColumn(name = "indx", base = 0)
   private List<OrderItems> orderItems;
   public List<OrderItems> getOrderItems() {
      if(orderItems == null)
         orderItems = new LinkedList<OrderItems>();
      return orderItems;
   }
   public void setOrderItems(List<OrderItems> orderItems) {
      if(orderItems == null)
         orderItems = new LinkedList<OrderItems>();   
      this.orderItems = orderItems;
   }
   
   @OneToMany(cascade = CascadeType.ALL, orphanRemoval= true)
   @JoinColumn(name = "order_id")
   @IndexColumn(name = "indx", base = 0)
   private List<OrderTags> orderTags;
   public List<OrderTags> getOrderTags() {
      if(orderTags == null)
         orderTags = new LinkedList<OrderTags>();
      return orderTags;
   }
   public void setOrderTags(List<OrderTags> orderTags) {
      if(orderTags == null)
         orderTags = new LinkedList<OrderTags>();   
      this.orderTags = orderTags;
   }
   

}
-----------------------------------------------------------------

import java.io.Serializable;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Table;
import javax.persistence.Version;
import org.hibernate.envers.Audited;
@Entity (name="OrderItems") @Audited @org.hibernate.annotations.Entity(dynamicInsert=true,dynamicUpdate=true)
public class OrderItems implements Serializable{
   private static final long serialVersionUID = 5033388370324454714L;
   @Id @GeneratedValue
   private long orderItemId;
   public long getOrderItemId() {
      return orderItemId;
   }
   public void setOrderItemId(long orderItemId) {
      this.orderItemId = orderItemId;
   }
   
   public long getRecordVersionNumber() {
      return recordVersionNumber;
   }
   public void setRecordVersionNumber(long recordVersionNumber) {
      this.recordVersionNumber = recordVersionNumber;
   }
   private String orderItemDesc;
   public String getOrderItemDesc() {
      return orderItemDesc;
   }
   public void setOrderItemDesc(String orderItemDesc) {
      this.orderItemDesc = orderItemDesc;
   }
   public double getOrderItemPrice() {
      return orderItemPrice;
   }
   public void setOrderItemPrice(double orderItemPrice) {
      this.orderItemPrice = orderItemPrice;
   }
   private double orderItemPrice;
   @Version
   private long recordVersionNumber;
   

}
-----------------------------------------------------------------------


import java.io.Serializable;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Table;
import javax.persistence.Version;
import org.hibernate.envers.Audited;
@Entity (name="OrderTags") @Audited @org.hibernate.annotations.Entity(dynamicInsert=true,dynamicUpdate=true)
public class OrderTags implements Serializable{
   private static final long serialVersionUID = 5033388370324454714L;
   @Id @GeneratedValue
   private long orderTagId;
   public long getOrderTagId() {
      return orderTagId;
   }
   public void setOrderTagId(long orderTagId) {
      this.orderTagId = orderTagId;
   }
   
   public long getRecordVersionNumber() {
      return recordVersionNumber;
   }
   public void setRecordVersionNumber(long recordVersionNumber) {
      this.recordVersionNumber = recordVersionNumber;
   }
   private String orderTagDesc;
   public String getOrderTagDesc() {
      return orderTagDesc;
   }
   public void setOrderTagDesc(String orderTagDesc) {
      this.orderTagDesc = orderTagDesc;
   }
   public double getOrderTagPrice() {
      return orderTagPrice;
   }
   public void setOrderTagPrice(double orderTagPrice) {
      this.orderTagPrice = orderTagPrice;
   }
   private double orderTagPrice;
   @Version
   private long recordVersionNumber;
   

}

StringBuffer queryStrBuff = new StringBuffer(" SELECT DISTINCT c FROM Customer c " +
                        " LEFT JOIN FETCH c.addresses a " +
                        " LEFT JOIN FETCH c.orders o " +
                        " LEFT JOIN FETCH o.orderItems oi " +
                        " LEFT JOIN FETCH o.orderTags ot "  +
                        "   ");

public class FindCondition{

//Search fields for customer entity
private String firstName;
private String lastName;

//Search fields for order entity
private String orderDesc;
private String orderId;

//Search fields for orderItem entity
private String orderItemDesc;
private double orderItemPrice;

//Search fields for orderTag entity
private String orderTagDesc;
private double orderTagPrice;

}