From 111b780752e6dd75abdf43c8c0505134581d3ce9 Mon Sep 17 00:00:00 2001
From: miciele Ghiorghis <m.ghiorghis@antoniusziekenhuis.nl>
Date: Tue, 26 Mar 2013 15:57:04 +0100
Subject: [PATCH] jira and tim-connector: Constraints for OrderSyncInfo

---
 .../orders/daos/IOrderSyncInfoDAO.java        | 26 ++++++++++++++++
 .../orders/daos/OrderSyncInfoDAO.java         | 31 +++++++++++++++++++
 .../orders/entities/OrderSyncInfo.java        | 22 +++++++++++++
 3 files changed, 79 insertions(+)

diff --git a/libreplan-business/src/main/java/org/libreplan/business/orders/daos/IOrderSyncInfoDAO.java b/libreplan-business/src/main/java/org/libreplan/business/orders/daos/IOrderSyncInfoDAO.java
index 4b8fc7cdb..d81d7078f 100644
--- a/libreplan-business/src/main/java/org/libreplan/business/orders/daos/IOrderSyncInfoDAO.java
+++ b/libreplan-business/src/main/java/org/libreplan/business/orders/daos/IOrderSyncInfoDAO.java
@@ -82,4 +82,30 @@ public interface IOrderSyncInfoDAO extends IGenericDAO<OrderSyncInfo, Long> {
      * @return a list of OrderSyncInfo if found and null if not
      */
     List<OrderSyncInfo> findByConnectorName(String connectorName);
+
+    /**
+     * Returns true if there exists other {@link OrderSyncInfo} with the same
+     * <code>{@link OrderSyncInfo#getKey()}</code>,
+     * <code>{@link OrderSyncInfo#getOrder()}</code> and
+     * <code>{@link OrderSyncInfo#getConnectorName()}</code>
+     *
+     * @param orderSyncInfo
+     *            the <code>{@link OrderSyncInfo}</code>
+     */
+    boolean existsByKeyOrderAndConnectorNameAnotherTransaction(
+            OrderSyncInfo orderSyncInfo);
+
+    /**
+     * Returns unique {@link OrderSyncInfo} for the specified <code>key</code>,
+     * <code>order</code> and <code>connectorName</code>
+     *
+     * @param key
+     *            the key
+     * @param order
+     *            an order
+     * @param connectorName
+     *            the name of the connector
+     */
+    OrderSyncInfo findUniqueByKeyOrderAndConnectorNameAnotherTransaction(
+            String key, Order order, String connectorName);
 }
diff --git a/libreplan-business/src/main/java/org/libreplan/business/orders/daos/OrderSyncInfoDAO.java b/libreplan-business/src/main/java/org/libreplan/business/orders/daos/OrderSyncInfoDAO.java
index e13323566..eb4c916bf 100644
--- a/libreplan-business/src/main/java/org/libreplan/business/orders/daos/OrderSyncInfoDAO.java
+++ b/libreplan-business/src/main/java/org/libreplan/business/orders/daos/OrderSyncInfoDAO.java
@@ -29,6 +29,8 @@ import org.libreplan.business.orders.entities.OrderSyncInfo;
 import org.springframework.beans.factory.config.BeanDefinition;
 import org.springframework.context.annotation.Scope;
 import org.springframework.stereotype.Repository;
+import org.springframework.transaction.annotation.Propagation;
+import org.springframework.transaction.annotation.Transactional;
 
 /**
  * DAO for {@link OrderSyncInfo}
@@ -79,4 +81,33 @@ public class OrderSyncInfoDAO extends GenericDAOHibernate<OrderSyncInfo, Long>
         return criteria.list();
     }
 
+    @Override
+    @Transactional(readOnly = true, propagation = Propagation.REQUIRES_NEW)
+    public boolean existsByKeyOrderAndConnectorNameAnotherTransaction(
+            OrderSyncInfo orderSyncInfo) {
+        return existsOtherOrderSyncInfoByKeyOrderAndConnectorName(orderSyncInfo);
+    }
+
+    /**
+     * Returns true if other {@link OrderSyncInfo} which is the same
+     * as the given <code>{@link OrderSyncInfo}</code> already exists
+     *
+     * @param orderSyncInfo
+     *            the {@link OrderSyncInfo}
+     */
+    private boolean existsOtherOrderSyncInfoByKeyOrderAndConnectorName(
+            OrderSyncInfo orderSyncInfo) {
+        OrderSyncInfo found = findByKeyOrderAndConnectorName(
+                orderSyncInfo.getKey(), orderSyncInfo.getOrder(),
+                orderSyncInfo.getConnectorName());
+        return found != null && found != orderSyncInfo;
+    }
+
+    @Override
+    @Transactional(readOnly = true, propagation = Propagation.REQUIRES_NEW)
+    public OrderSyncInfo findUniqueByKeyOrderAndConnectorNameAnotherTransaction(
+            String key, Order order, String connectorName) {
+        return findByKeyOrderAndConnectorName(key, order, connectorName);
+    }
+
 }
diff --git a/libreplan-business/src/main/java/org/libreplan/business/orders/entities/OrderSyncInfo.java b/libreplan-business/src/main/java/org/libreplan/business/orders/entities/OrderSyncInfo.java
index c4efb7992..3cec95fec 100644
--- a/libreplan-business/src/main/java/org/libreplan/business/orders/entities/OrderSyncInfo.java
+++ b/libreplan-business/src/main/java/org/libreplan/business/orders/entities/OrderSyncInfo.java
@@ -21,10 +21,14 @@ package org.libreplan.business.orders.entities;
 
 import java.util.Date;
 
+import org.apache.commons.lang.StringUtils;
 import org.apache.commons.lang.Validate;
+import org.hibernate.validator.AssertTrue;
 import org.hibernate.validator.NotNull;
 import org.libreplan.business.common.BaseEntity;
+import org.libreplan.business.common.Registry;
 import org.libreplan.business.common.entities.Connector;
+import org.libreplan.business.orders.daos.IOrderSyncInfoDAO;
 
 /**
  * OrderSyncInfo entity. This entity holds order synchronization info. Each time
@@ -105,4 +109,22 @@ public class OrderSyncInfo extends BaseEntity {
     public void setOrder(Order order) {
         this.order = order;
     }
+
+    @AssertTrue(message = "project sync info is already being used")
+    public boolean checkConstraintUniqueOrderSyncInfo() {
+        if (StringUtils.isBlank(key) && order == null
+                && StringUtils.isBlank(connectorName)) {
+            return true;
+        }
+        IOrderSyncInfoDAO orderSyncInfoDAO = Registry.getOrderSyncInfoDAO();
+        if (isNewObject()) {
+            return !orderSyncInfoDAO
+                    .existsByKeyOrderAndConnectorNameAnotherTransaction(this);
+        } else {
+            OrderSyncInfo found = orderSyncInfoDAO
+                    .findUniqueByKeyOrderAndConnectorNameAnotherTransaction(
+                            key, order, connectorName);
+            return found == null || found.getId().equals(getId());
+        }
+    }
 }