Changeset 3454

Timestamp:

Jun 6, 2007, 11:24:02 PM (16 years ago)

Author:

Nicklas Nordborg

Message:

Fixes #616

Location:

trunk/src

Files:

• core/net/sf/basedb/core/AnyToAny.java (modified) (1 diff)
• test/TestAnyToAny.java (modified) (2 diffs)

trunk/src/core/net/sf/basedb/core/AnyToAny.java

@@ -282 +282 @@
   }
   
+  
+  /**
+    Check if an item has a link with a given name.
+  
+    @param dc The <code>DbControl</code> which will be used for
+      permission checking and database access.
+    @param from The item the link is linking from
+    @param name The name of the link
+    @return TRUE if the link exists, FALSE otherwise
+    @throws InvalidDataException If the from or name parameter is null
+    @throws BaseException If there is another error
+    @since 2.4
+  */
+  public static boolean exists(DbControl dc, BasicItem from, String name)
+    throws InvalidDataException, BaseException
+  {
+    if (from == null) throw new InvalidUseOfNullException("from");
+    if (name == null) throw new InvalidUseOfNullException("name");
+    org.hibernate.Query query = HibernateUtil.getPredefinedQuery(dc.getHibernateSession(), 
+      "GET_ANYTOANY_FOR_NAME");
+    /*
+      SELECT ata
+      FROM AnyToAnyData ata
+      WHERE ata.fromId = :fromId AND ata.fromType = :fromType AND ata.name = :name
+    */
+    query.setInteger("fromId", from.getId());
+    query.setInteger("fromType", from.getType().getValue());
+    query.setString("name", name);
+    AnyToAny ata = dc.getItem(AnyToAny.class, HibernateUtil.loadData(AnyToAnyData.class, query));
+    return ata != null;
+  }
+  
   /**
     Delete all links that are linking to non-existing applications. This method 

trunk/src/test/TestAnyToAny.java

@@ -56 +56 @@
     test_list_from(sampleId, 2);
     test_list_to(fileId1, 1);
+    test_exists(sampleId, "first", true);
+    test_exists(sampleId, "third", false);
+    
 
     // Extra tests:
@@ -259 +262 @@
     }
   }
+  
+  static void test_exists(int sampleId, String name, boolean expected)
+  {
+    if (sampleId == 0) return;
+    DbControl dc = null;
+    try
+    {
+      dc = TestUtil.getDbControl();
+      Sample s = Sample.getById(dc, sampleId);
+      if (AnyToAny.exists(dc, s, name) != expected)
+      {
+        throw new BaseException("Expected exists=" + expected + " for link=" + name);
+      }
+      write("--Exists any-to-any (" + name + "=" + expected + ") OK");
+    }
+    catch (Throwable ex)
+    {
+      write("--Exists any-to-any FAILED");
+      ex.printStackTrace();
+      ok = false;
+    }
+    finally
+    {
+      if (dc != null) dc.close();
+    }
+  }