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[Branch ~dhis2-devs-core/dhis2/trunk] Rev 15205: Tracker service code style/cleanup

 

------------------------------------------------------------
revno: 15205
committer: Lars Helge Overland <larshelge@xxxxxxxxx>
branch nick: dhis2
timestamp: Fri 2014-05-09 17:49:36 +0200
message:
  Tracker service code style/cleanup
modified:
  dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/program/hibernate/HibernateProgramInstanceStore.java
  dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/program/hibernate/HibernateProgramStageDataElementStore.java
  dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/program/hibernate/HibernateProgramStageInstanceStore.java
  dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/program/hibernate/HibernateProgramStageStore.java
  dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/program/hibernate/HibernateProgramStore.java
  dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/relationship/hibernate/HibernateRelationshipStore.java
  dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/relationship/hibernate/HibernateRelationshipTypeStore.java
  dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentity/DefaultTrackedEntityAttributeGroupService.java
  dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentity/DefaultTrackedEntityInstanceReminderService.java
  dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentity/hibernate/HibernateTrackedEntityAuditStore.java
  dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentityattributevalue/hibernate/HibernateTrackedEntityAttributeValueStore.java
  dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentitydatavalue/DefaultTrackedEntityDataValueService.java
  dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentitydatavalue/TrackedEntityDataValueDeletionHandler.java
  dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentitydatavalue/hibernate/HibernateTrackedEntityDataValueStore.java


--
lp:dhis2
https://code.launchpad.net/~dhis2-devs-core/dhis2/trunk

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=== modified file 'dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/program/hibernate/HibernateProgramInstanceStore.java'
--- dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/program/hibernate/HibernateProgramInstanceStore.java	2014-03-18 08:10:10 +0000
+++ dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/program/hibernate/HibernateProgramInstanceStore.java	2014-05-09 15:49:36 +0000
@@ -90,8 +90,10 @@
             return new ArrayList<ProgramInstance>();
         }
 
-        return getCriteria( Restrictions.in( "program", programs ) ).createAlias( "entityInstance", "entityInstance" )
-            .add( Restrictions.eq( "entityInstance.organisationUnit", organisationUnit ) ).list();
+        return getCriteria( 
+            Restrictions.in( "program", programs ) ).
+            createAlias( "entityInstance", "entityInstance" ).
+            add( Restrictions.eq( "entityInstance.organisationUnit", organisationUnit ) ).list();
     }
 
     @Override
@@ -103,9 +105,11 @@
             return new ArrayList<ProgramInstance>();
         }
 
-        return getCriteria( Restrictions.eq( "status", status ), Restrictions.in( "program", programs ) )
-            .createAlias( "entityInstance", "entityInstance" ).add( Restrictions.eq( "entityInstance.organisationUnit", organisationUnit ) )
-            .list();
+        return getCriteria( 
+            Restrictions.eq( "status", status ), 
+            Restrictions.in( "program", programs ) ).
+            createAlias( "entityInstance", "entityInstance" ).
+            add( Restrictions.eq( "entityInstance.organisationUnit", organisationUnit ) ).list();
     }
 
     @SuppressWarnings( "unchecked" )
@@ -147,14 +151,22 @@
     @SuppressWarnings( "unchecked" )
     public Collection<ProgramInstance> get( Program program, OrganisationUnit organisationUnit, Integer min, Integer max )
     {
-        Criteria criteria = getCriteria( Restrictions.eq( "program", program ), Restrictions.isNull( "endDate" ) )
-            .add( Restrictions.eq( "entityInstance.organisationUnit", organisationUnit ) ).createAlias( "entityInstance", "entityInstance" )
-            .addOrder( Order.asc( "entityInstance.id" ) );
+        Criteria criteria = getCriteria( 
+            Restrictions.eq( "program", program ), Restrictions.isNull( "endDate" ) ).
+            add( Restrictions.eq( "entityInstance.organisationUnit", organisationUnit ) ).
+            createAlias( "entityInstance", "entityInstance" ).
+            addOrder( Order.asc( "entityInstance.id" ) );
 
-        if ( min != null && max != null )
-        {
-            criteria.setFirstResult( min ).setMaxResults( max );
-        }
+        if ( min != null )
+        {
+            criteria.setFirstResult( min );
+        }
+        
+        if ( max != null )
+        {
+            criteria.setMaxResults( max );
+        }
+        
         return criteria.list();
     }
 
@@ -162,10 +174,14 @@
     public Collection<ProgramInstance> get( Program program, OrganisationUnit organisationUnit, Date startDate,
         Date endDate )
     {
-        return getCriteria( Restrictions.eq( "program", program ), Restrictions.isNull( "endDate" ),
-            Restrictions.ge( "enrollmentDate", startDate ), Restrictions.le( "enrollmentDate", endDate ) )
-            .createAlias( "entityInstance", "entityInstance" ).add( Restrictions.eq( "entityInstance.organisationUnit", organisationUnit ) )
-            .addOrder( Order.asc( "entityInstance.id" ) ).list();
+        return getCriteria( 
+            Restrictions.eq( "program", program ), 
+            Restrictions.isNull( "endDate" ),
+            Restrictions.ge( "enrollmentDate", startDate ), 
+            Restrictions.le( "enrollmentDate", endDate ) ).
+            createAlias( "entityInstance", "entityInstance" ).
+            add( Restrictions.eq( "entityInstance.organisationUnit", organisationUnit ) ).
+            addOrder( Order.asc( "entityInstance.id" ) ).list();
     }
 
     @SuppressWarnings( "unchecked" )
@@ -177,41 +193,54 @@
             .createAlias( "entityInstance", "entityInstance" ).createAlias( "entityInstance.organisationUnit", "organisationUnit" )
             .add( Restrictions.in( "organisationUnit.id", orgunitIds ) ).addOrder( Order.asc( "entityInstance.id" ) );
 
-        if ( min != null && max != null )
-        {
-            criteria.setFirstResult( min ).setMaxResults( max );
-        }
-
+        if ( min != null )
+        {
+            criteria.setFirstResult( min );
+        }
+        
+        if ( max != null )
+        {
+            criteria.setMaxResults( max );
+        }
+        
         return criteria.list();
     }
 
     public int count( Program program, OrganisationUnit organisationUnit )
     {
-        Number rs = (Number) getCriteria( Restrictions.eq( "program", program ), Restrictions.isNull( "endDate" ) )
-            .createAlias( "entityInstance", "entityInstance" ).add( Restrictions.eq( "entityInstance.organisationUnit", organisationUnit ) )
-            .setProjection( Projections.rowCount() ).uniqueResult();
+        Number rs = (Number) getCriteria( 
+            Restrictions.eq( "program", program ), Restrictions.isNull( "endDate" ) ).
+            createAlias( "entityInstance", "entityInstance" ).
+            add( Restrictions.eq( "entityInstance.organisationUnit", organisationUnit ) ).
+            setProjection( Projections.rowCount() ).uniqueResult();
+        
         return rs != null ? rs.intValue() : 0;
     }
 
     public int count( Program program, Collection<Integer> orgunitIds, Date startDate, Date endDate )
     {
-        Number rs = (Number) getCriteria( Restrictions.eq( "program", program ),
-            Restrictions.ge( "enrollmentDate", startDate ), Restrictions.le( "enrollmentDate", endDate ) )
-            .createAlias( "entityInstance", "entityInstance" ).createAlias( "entityInstance.organisationUnit", "organisationUnit" )
-            .add( Restrictions.in( "organisationUnit.id", orgunitIds ) ).setProjection( Projections.rowCount() )
-            .uniqueResult();
+        Number rs = (Number) getCriteria( 
+            Restrictions.eq( "program", program ),
+            Restrictions.ge( "enrollmentDate", startDate ), 
+            Restrictions.le( "enrollmentDate", endDate ) ).
+            createAlias( "entityInstance", "entityInstance" ).
+            createAlias( "entityInstance.organisationUnit", "organisationUnit" ).
+            add( Restrictions.in( "organisationUnit.id", orgunitIds ) ).
+            setProjection( Projections.rowCount() ).uniqueResult();
 
         return rs != null ? rs.intValue() : 0;
     }
 
-    public int countByStatus( Integer status, Program program, Collection<Integer> orgunitIds, Date startDate,
-        Date endDate )
+    public int countByStatus( Integer status, Program program, Collection<Integer> orgunitIds, Date startDate, Date endDate )
     {
-        Number rs = (Number) getCriteria( Restrictions.eq( "program", program ),
-            Restrictions.between( "enrollmentDate", startDate, endDate ) ).createAlias( "entityInstance", "entityInstance" )
-            .createAlias( "entityInstance.organisationUnit", "organisationUnit" )
-            .add( Restrictions.in( "organisationUnit.id", orgunitIds ) ).add( Restrictions.eq( "status", status ) )
-            .setProjection( Projections.rowCount() ).uniqueResult();
+        Number rs = (Number) getCriteria( 
+            Restrictions.eq( "program", program ),
+            Restrictions.between( "enrollmentDate", startDate, endDate ) ).
+            createAlias( "entityInstance", "entityInstance" ).
+            createAlias( "entityInstance.organisationUnit", "organisationUnit" ).
+            add( Restrictions.in( "organisationUnit.id", orgunitIds ) ).
+            add( Restrictions.eq( "status", status ) ).
+            setProjection( Projections.rowCount() ).uniqueResult();
 
         return rs != null ? rs.intValue() : 0;
     }
@@ -220,12 +249,16 @@
     public Collection<ProgramInstance> getByStatus( Integer status, Program program, Collection<Integer> orgunitIds,
         Date startDate, Date endDate )
     {
-        return getCriteria( Restrictions.eq( "program", program ),
-            Restrictions.between( "enrollmentDate", startDate, endDate ) ).createAlias( "entityInstance", "entityInstance" )
-            .createAlias( "entityInstance.organisationUnit", "organisationUnit" )
-            .add( Restrictions.in( "organisationUnit.id", orgunitIds ) ).add( Restrictions.eq( "status", status ) )
-            .list();
+        return getCriteria( 
+            Restrictions.eq( "program", program ),
+            Restrictions.between( "enrollmentDate", startDate, endDate ) ).
+            createAlias( "entityInstance", "entityInstance" ).
+            createAlias( "entityInstance.organisationUnit", "organisationUnit" ).
+            add( Restrictions.in( "organisationUnit.id", orgunitIds ) ).
+            add( Restrictions.eq( "status", status ) ).list();
     }
+    
+    //TODO from here this class must be rewritten
 
     public Collection<SchedulingProgramObject> getSendMesssageEvents( String dateToCompare )
     {

=== modified file 'dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/program/hibernate/HibernateProgramStageDataElementStore.java'
--- dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/program/hibernate/HibernateProgramStageDataElementStore.java	2014-03-18 08:10:10 +0000
+++ dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/program/hibernate/HibernateProgramStageDataElementStore.java	2014-05-09 15:49:36 +0000
@@ -42,7 +42,6 @@
 
 /**
  * @author Viet Nguyen
- * @version $Id$
  */
 public class HibernateProgramStageDataElementStore
     implements ProgramStageDataElementStore

=== modified file 'dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/program/hibernate/HibernateProgramStageInstanceStore.java'
--- dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/program/hibernate/HibernateProgramStageInstanceStore.java	2014-05-07 10:09:11 +0000
+++ dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/program/hibernate/HibernateProgramStageInstanceStore.java	2014-05-09 15:49:36 +0000
@@ -86,9 +86,10 @@
     @SuppressWarnings( "unchecked" )
     public ProgramStageInstance get( ProgramInstance programInstance, ProgramStage programStage )
     {
-        List<ProgramStageInstance> list = new ArrayList<ProgramStageInstance>( getCriteria(
-            Restrictions.eq( "programInstance", programInstance ), Restrictions.eq( "programStage", programStage ) )
-            .addOrder( Order.asc( "id" ) ).list() );
+        List<ProgramStageInstance> list = getCriteria(
+            Restrictions.eq( "programInstance", programInstance ), 
+            Restrictions.eq( "programStage", programStage ) ).
+            addOrder( Order.asc( "id" ) ).list();
 
         return list.isEmpty() ? null : list.get( list.size() - 1 );
     }
@@ -97,10 +98,10 @@
     @SuppressWarnings( "unchecked" )
     public Collection<ProgramStageInstance> getAll( ProgramInstance programInstance, ProgramStage programStage )
     {
-        Criteria criteria = getCriteria( Restrictions.eq( "programInstance", programInstance ),
-            Restrictions.eq( "programStage", programStage ) ).addOrder( Order.asc( "id" ) );
-
-        return criteria.list();
+        return getCriteria( 
+            Restrictions.eq( "programInstance", programInstance ),
+            Restrictions.eq( "programStage", programStage ) )
+            .addOrder( Order.asc( "id" ) ).list();
     }
 
     @Override
@@ -114,7 +115,8 @@
     @SuppressWarnings( "unchecked" )
     public Collection<ProgramStageInstance> get( Collection<ProgramInstance> programInstances, boolean completed )
     {
-        return getCriteria( Restrictions.in( "programInstance", programInstances ),
+        return getCriteria( 
+            Restrictions.in( "programInstance", programInstances ), 
             Restrictions.eq( "completed", completed ) ).list();
     }
 
@@ -127,6 +129,8 @@
         return getQuery( hql ).setEntity( "entityInstance", entityInstance ).setBoolean( "completed", completed ).list();
     }
 
+    // TODO this class must be re-written from here
+    
     @Override
     public void removeEmptyEvents( ProgramStage programStage, OrganisationUnit organisationUnit )
     {

=== modified file 'dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/program/hibernate/HibernateProgramStageStore.java'
--- dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/program/hibernate/HibernateProgramStageStore.java	2014-03-18 08:10:10 +0000
+++ dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/program/hibernate/HibernateProgramStageStore.java	2014-05-09 15:49:36 +0000
@@ -48,7 +48,8 @@
 
     public ProgramStage getByNameAndProgram( String name, Program program )
     {
-        return (ProgramStage) getCriteria( Restrictions.eq( "name", name ), Restrictions.eq( "program", program ) )
-            .uniqueResult();
+        return (ProgramStage) getCriteria( 
+            Restrictions.eq( "name", name ), 
+            Restrictions.eq( "program", program ) ).uniqueResult();
     }
 }

=== modified file 'dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/program/hibernate/HibernateProgramStore.java'
--- dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/program/hibernate/HibernateProgramStore.java	2014-04-06 17:03:28 +0000
+++ dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/program/hibernate/HibernateProgramStore.java	2014-05-09 15:49:36 +0000
@@ -94,6 +94,7 @@
         criteria2.add( Restrictions.eq( "orgunitMember.id", organisationUnit.getId() ) );
 
         Collection<Program> programs = new HashSet<Program>();
+        
         if ( criteria1.list() != null )
         {
             programs.addAll( criteria1.list() );

=== modified file 'dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/relationship/hibernate/HibernateRelationshipStore.java'
--- dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/relationship/hibernate/HibernateRelationshipStore.java	2014-03-18 08:10:10 +0000
+++ dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/relationship/hibernate/HibernateRelationshipStore.java	2014-05-09 15:49:36 +0000
@@ -48,7 +48,9 @@
     @SuppressWarnings( "unchecked" )
     public Collection<Relationship> getForTrackedEntityInstance( TrackedEntityInstance instance )
     {
-        return getCriteria( Restrictions.disjunction().add( Restrictions.eq( "entityInstanceA", instance ) ).add(
+        return getCriteria( 
+            Restrictions.disjunction().add( 
+            Restrictions.eq( "entityInstanceA", instance ) ).add(
             Restrictions.eq( "entityInstanceB", instance ) ) ).list();
     }
 
@@ -61,15 +63,17 @@
     @SuppressWarnings( "unchecked" )
     public Collection<Relationship> get( TrackedEntityInstance entityInstanceA, RelationshipType relationshipType )
     {
-        return getCriteria( Restrictions.eq( "entityInstanceA", entityInstanceA ),
+        return getCriteria( 
+            Restrictions.eq( "entityInstanceA", entityInstanceA ),
             Restrictions.eq( "relationshipType", relationshipType ) ).list();
     }
 
     public Relationship get( TrackedEntityInstance entityInstanceA, TrackedEntityInstance entityInstanceB, RelationshipType relationshipType )
     {
-        return (Relationship) getCriteria( Restrictions.eq( "entityInstanceA", entityInstanceA ),
-            Restrictions.eq( "entityInstanceB", entityInstanceB ), Restrictions.eq( "relationshipType", relationshipType ) )
-            .uniqueResult();
+        return (Relationship) getCriteria( 
+            Restrictions.eq( "entityInstanceA", entityInstanceA ),
+            Restrictions.eq( "entityInstanceB", entityInstanceB ), 
+            Restrictions.eq( "relationshipType", relationshipType ) ).uniqueResult();
     }
     
     public Relationship get( TrackedEntityInstance entityInstanceA, TrackedEntityInstance entityInstanceB )

=== modified file 'dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/relationship/hibernate/HibernateRelationshipTypeStore.java'
--- dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/relationship/hibernate/HibernateRelationshipTypeStore.java	2014-03-18 08:10:10 +0000
+++ dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/relationship/hibernate/HibernateRelationshipTypeStore.java	2014-05-09 15:49:36 +0000
@@ -42,7 +42,8 @@
 {
     public RelationshipType getRelationshipType( String aIsToB, String bIsToA )
     {
-        return (RelationshipType) getCriteria( Restrictions.eq( "aIsToB", aIsToB ), Restrictions.eq( "bIsToA", bIsToA ) )
-            .uniqueResult();
+        return (RelationshipType) getCriteria( 
+            Restrictions.eq( "aIsToB", aIsToB ), 
+            Restrictions.eq( "bIsToA", bIsToA ) ).uniqueResult();
     }
 }

=== modified file 'dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentity/DefaultTrackedEntityAttributeGroupService.java'
--- dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentity/DefaultTrackedEntityAttributeGroupService.java	2014-04-14 15:59:05 +0000
+++ dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentity/DefaultTrackedEntityAttributeGroupService.java	2014-05-09 15:49:36 +0000
@@ -123,8 +123,7 @@
     }
 
     @Override
-    public Collection<? extends TrackedEntityAttributeGroup> getTrackedEntityAttributeGroupsBetweenByName( String name,
-        int min, int max )
+    public Collection<? extends TrackedEntityAttributeGroup> getTrackedEntityAttributeGroupsBetweenByName( String name, int min, int max )
     {
         return attributeGroupStore.getAllLikeNameOrderedName( name, min, max );
     }

=== modified file 'dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentity/DefaultTrackedEntityInstanceReminderService.java'
--- dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentity/DefaultTrackedEntityInstanceReminderService.java	2014-03-27 23:40:38 +0000
+++ dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentity/DefaultTrackedEntityInstanceReminderService.java	2014-05-09 15:49:36 +0000
@@ -141,7 +141,6 @@
                         value = attributeValue.getValue();
                     }
                 }
-
             }
 
             templateMessage = templateMessage.replace( match, value );

=== modified file 'dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentity/hibernate/HibernateTrackedEntityAuditStore.java'
--- dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentity/hibernate/HibernateTrackedEntityAuditStore.java	2014-03-18 08:10:10 +0000
+++ dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentity/hibernate/HibernateTrackedEntityAuditStore.java	2014-05-09 15:49:36 +0000
@@ -57,8 +57,10 @@
     @Override
     public TrackedEntityAudit get( Integer entityInstanceId, String visitor, Date date, String accessedModule )
     {
-        return (TrackedEntityAudit) getCriteria( Restrictions.eq( "entityInstance.id", entityInstanceId ),
-            Restrictions.eq( "visitor", visitor ), Restrictions.eq( "date", date ),
+        return (TrackedEntityAudit) getCriteria( 
+            Restrictions.eq( "entityInstance.id", entityInstanceId ),
+            Restrictions.eq( "visitor", visitor ), 
+            Restrictions.eq( "date", date ),
             Restrictions.eq( "accessedModule", accessedModule ) ).uniqueResult();
     }
 }

=== modified file 'dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentityattributevalue/hibernate/HibernateTrackedEntityAttributeValueStore.java'
--- dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentityattributevalue/hibernate/HibernateTrackedEntityAttributeValueStore.java	2014-03-19 06:44:30 +0000
+++ dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentityattributevalue/hibernate/HibernateTrackedEntityAttributeValueStore.java	2014-05-09 15:49:36 +0000
@@ -28,6 +28,7 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+import java.util.ArrayList;
 import java.util.Collection;
 
 import org.hibernate.Query;
@@ -77,7 +78,8 @@
     @Override
     public TrackedEntityAttributeValue get( TrackedEntityInstance entityInstance, TrackedEntityAttribute attribute )
     {
-        return (TrackedEntityAttributeValue) getCriteria( Restrictions.eq( "entityInstance", entityInstance ),
+        return (TrackedEntityAttributeValue) getCriteria( 
+            Restrictions.eq( "entityInstance", entityInstance ),
             Restrictions.eq( "attribute", attribute ) ).uniqueResult();
     }
 
@@ -99,6 +101,11 @@
     @SuppressWarnings( "unchecked" )
     public Collection<TrackedEntityAttributeValue> get( Collection<TrackedEntityInstance> entityInstances )
     {
+        if ( entityInstances == null || entityInstances.isEmpty() )
+        {
+            return new ArrayList<TrackedEntityAttributeValue>();
+        }
+        
         return getCriteria( Restrictions.in( "entityInstance", entityInstances ) ).list();
     }
 
@@ -106,7 +113,8 @@
     @SuppressWarnings( "unchecked" )
     public Collection<TrackedEntityAttributeValue> searchByValue( TrackedEntityAttribute attribute, String searchText )
     {
-        return getCriteria( Restrictions.eq( "attribute", attribute ),
+        return getCriteria( 
+            Restrictions.eq( "attribute", attribute ),
             Restrictions.ilike( "value", "%" + searchText + "%" ) ).list();
     }
 
@@ -115,8 +123,9 @@
     public Collection<TrackedEntityInstance> getTrackedEntityInstances( TrackedEntityAttribute attribute, String value )
     {
         return getCriteria(
-            Restrictions.and( Restrictions.eq( "attribute", attribute ), Restrictions.eq( "value", value ) ) )
-            .setProjection( Projections.property( "entityInstance" ) ).list();
+            Restrictions.and( Restrictions.eq( "attribute", attribute ), 
+            Restrictions.eq( "value", value ) ) ).
+            setProjection( Projections.property( "entityInstance" ) ).list();
     }
 
     @Override

=== modified file 'dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentitydatavalue/DefaultTrackedEntityDataValueService.java'
--- dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentitydatavalue/DefaultTrackedEntityDataValueService.java	2014-03-18 08:10:10 +0000
+++ dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentitydatavalue/DefaultTrackedEntityDataValueService.java	2014-05-09 15:49:36 +0000
@@ -41,7 +41,6 @@
 
 /**
  * @author Abyot Asalefew Gizaw
- * @version $Id$
  */
 @Transactional
 public class DefaultTrackedEntityDataValueService
@@ -108,8 +107,7 @@
         return dataValueStore.get( programStageInstance, dataElements );
     }
 
-    public Collection<TrackedEntityDataValue> getTrackedEntityDataValues(
-        Collection<ProgramStageInstance> programStageInstances )
+    public Collection<TrackedEntityDataValue> getTrackedEntityDataValues( Collection<ProgramStageInstance> programStageInstances )
     {
         return dataValueStore.get( programStageInstances );
     }

=== modified file 'dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentitydatavalue/TrackedEntityDataValueDeletionHandler.java'
--- dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentitydatavalue/TrackedEntityDataValueDeletionHandler.java	2014-03-18 08:10:10 +0000
+++ dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentitydatavalue/TrackedEntityDataValueDeletionHandler.java	2014-05-09 15:49:36 +0000
@@ -38,8 +38,6 @@
 
 /**
  * @author Chau Thu Tran
- * @version $ TrackedEntityDataValueDeletionHandler.java Jun 24, 2011 1:10:46 PM $
- * 
  */
 public class TrackedEntityDataValueDeletionHandler
     extends DeletionHandler

=== modified file 'dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentitydatavalue/hibernate/HibernateTrackedEntityDataValueStore.java'
--- dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentitydatavalue/hibernate/HibernateTrackedEntityDataValueStore.java	2014-03-18 08:10:10 +0000
+++ dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentitydatavalue/hibernate/HibernateTrackedEntityDataValueStore.java	2014-05-09 15:49:36 +0000
@@ -71,6 +71,11 @@
     public Collection<TrackedEntityDataValue> get( ProgramStageInstance programStageInstance,
         Collection<DataElement> dataElements )
     {
+        if ( dataElements == null || dataElements.isEmpty() )
+        {
+            return new ArrayList<TrackedEntityDataValue>();
+        }
+        
         String hql = "from TrackedEntityDataValue pdv where pdv.dataElement in ( :dataElements ) "
             + "and pdv.programStageInstance = :programStageInstance";
 
@@ -99,6 +104,11 @@
     public Collection<TrackedEntityDataValue> get( TrackedEntityInstance entityInstance, Collection<DataElement> dataElements, Date startDate,
         Date endDate )
     {
+        if ( dataElements == null || dataElements.isEmpty() )
+        {
+            return new ArrayList<TrackedEntityDataValue>();
+        }
+        
         String hql = "from TrackedEntityDataValue pdv where pdv.dataElement in ( :dataElements ) "
             + "and pdv.programStageInstance.programInstance.entityInstance = :entityInstance "
             + "and pdv.programStageInstance.executionDate >= :startDate and pdv.programStageInstance.executionDate <= :endDate ";