BS-14187

When removing all Business objects from the bdm it now delete and
uninstall the BDM instead of having a validation error.

bundles/plugins/org.bonitasoft.studio.businessobject/messages.properties

@@ -145,4 +145,5 @@ disabledMandatoryTooltip=A multiple attribute cannot be mandatory.
 defaultValue=Default value
 defaultValueReturnTypeValidationMessage=Default value expression returns {0} but {1} is expected
 addBusinessObjectDataWindowTitle=New business variable
-defaultValueBusinessDataTooltip=Business data can be initialized with existing Business Objects using a query\nor by creating a new one using a Groovy Script and the provided dao variable (XXXDAO.newInstance()).
\ No newline at end of file
+defaultValueBusinessDataTooltip=Business data can be initialized with existing Business Objects using a query\nor by creating a new one using a Groovy Script and the provided dao variable (XXXDAO.newInstance()).
+cleaningBusinessObjects=Cleaning Business data model...
\ No newline at end of file

bundles/plugins/org.bonitasoft.studio.businessobject/src-test/java/org/bonitasoft/studio/businessobject/core/operation/DeployBDMOperationTest.java

@@ -19,6 +19,7 @@ import static org.mockito.Matchers.anyObject;
 import static org.mockito.Mockito.doNothing;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.inOrder;
+import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
@@ -83,6 +84,7 @@ public class DeployBDMOperationTest {
         when(manager.getTenantAdministrationAPI((APISession) anyObject())).thenReturn(tenantAdminAPI);
         doReturn(manager).when(operationUnderTest).getBOSEngineManagerEx();
         doNothing().when(operationUnderTest).updateDependency(any(byte[].class));
+        doNothing().when(operationUnderTest).removeDependency();
         parentFolder = new File("test");
         parentFolder.mkdirs();
         doReturn(parentFolder).when(operationUnderTest).getTargetFolder();
@@ -131,4 +133,20 @@ public class DeployBDMOperationTest {
         verify(tenantAdminAPI).getClientBDMZip();
     }
 
+    @Test
+    public void should_uninstall_bdm_from_tenant_when_bdm_is_empty() throws Exception {
+        final BusinessObjectModel emptyBom = new BusinessObjectModel();
+        doReturn(emptyBom).when(bdmFileStore).getContent();
+        doReturn(parentFolder).when(operationUnderTest).getTargetFolder();
+        operationUnderTest.run(Repository.NULL_PROGRESS_MONITOR);
+        verify(manager).loginDefaultTenant(Repository.NULL_PROGRESS_MONITOR);
+        verify(bdmFileStore).getContent();
+        final InOrder inOrder = inOrder(tenantAdminAPI);
+        inOrder.verify(tenantAdminAPI).pause();
+        inOrder.verify(tenantAdminAPI).uninstallBusinessDataModel();
+        inOrder.verify(tenantAdminAPI).resume();
+        verify(operationUnderTest).removeDependency();
+        verify(tenantAdminAPI, never()).installBusinessDataModel(any(byte[].class));
+    }
+
 }

bundles/plugins/org.bonitasoft.studio.businessobject/src/org/bonitasoft/studio/businessobject/core/operation/DeployBDMOperation.java

@@ -23,6 +23,7 @@ import java.util.zip.ZipEntry;
 import java.util.zip.ZipInputStream;
 
 import org.bonitasoft.engine.api.TenantAdministrationAPI;
+import org.bonitasoft.engine.bdm.model.BusinessObjectModel;
 import org.bonitasoft.engine.business.data.BusinessDataRepositoryDeploymentException;
 import org.bonitasoft.engine.exception.UpdateException;
 import org.bonitasoft.engine.session.APISession;
@@ -93,18 +94,20 @@ public class DeployBDMOperation implements IRunnableWithProgress {
         }
     }
 
+    private String progressMessage(BusinessObjectModel bom) {
+        return containsBusinessObjects(bom) ? Messages.deployingBusinessObjects : Messages.cleaningBusinessObjects;
+    }
+
     protected void doDeployBDM(IProgressMonitor monitor) throws InvocationTargetException {
         if (monitor == null) {
             monitor = Repository.NULL_PROGRESS_MONITOR;
         }
-        if (fileStore.getContent().getBusinessObjects().isEmpty()) {
-            return;
-        }
-        monitor.beginTask(Messages.deployingBusinessObjects, IProgressMonitor.UNKNOWN);
-        BonitaStudioLog.debug(Messages.deployingBusinessObjects, BusinessObjectPlugin.PLUGIN_ID);
 
+        final BusinessObjectModel bom = fileStore.getContent();
+        final String progressMessage = progressMessage(bom);
+        monitor.beginTask(progressMessage, IProgressMonitor.UNKNOWN);
+        BonitaStudioLog.debug(progressMessage, BusinessObjectPlugin.PLUGIN_ID);
         final BOSEngineManager engineManagerEx = getBOSEngineManagerEx();
-
         TenantAdministrationAPI tenantManagementAPI = null;
         try {
             tenantManagementAPI = engineManagerEx.getTenantAdministrationAPI(session);
@@ -120,12 +123,19 @@ public class DeployBDMOperation implements IRunnableWithProgress {
             } catch (final BusinessDataRepositoryDeploymentException bdrde) {
                 // ignore exception
             }
-            tenantManagementAPI.installBusinessDataModel(fileStore.toByteArray());
+            if (containsBusinessObjects(bom)) {
+                tenantManagementAPI.installBusinessDataModel(fileStore.toByteArray());
+            }
+
             tenantManagementAPI.resume();
 
-            final byte[] zipContent = tenantManagementAPI.getClientBDMZip();
-            final byte[] jarContent = retrieveModelJarContent(zipContent);
-            updateDependency(jarContent);
+            if (containsBusinessObjects(bom)) {
+                final byte[] zipContent = tenantManagementAPI.getClientBDMZip();
+                final byte[] jarContent = retrieveModelJarContent(zipContent);
+                updateDependency(jarContent);
+            } else {
+                removeDependency();
+            }
         } catch (final Exception e) {
             BonitaStudioLog.error(e);
             try {
@@ -150,6 +160,19 @@ public class DeployBDMOperation implements IRunnableWithProgress {
         }
     }
 
+    protected void removeDependency() {
+        final DependencyRepositoryStore dependencyRepositoryStore = RepositoryManager.getInstance()
+                .getRepositoryStore(DependencyRepositoryStore.class);
+        final DependencyFileStore bdmFileStore = dependencyRepositoryStore.getChild(BusinessObjectModelFileStore.DEFAULT_BDM_FILENAME);
+        if (bdmFileStore != null) {
+            bdmFileStore.delete();
+        }
+    }
+
+    private boolean containsBusinessObjects(final BusinessObjectModel bom) {
+        return bom != null && !bom.getBusinessObjects().isEmpty();
+    }
+
     protected boolean dropDBOnInstall() {
         final IPreferenceStore preferenceStore = EnginePlugin.getDefault().getPreferenceStore();
         return preferenceStore.getBoolean(EnginePreferenceConstants.DROP_BUSINESS_DATA_DB_ON_INSTALL);

bundles/plugins/org.bonitasoft.studio.businessobject/src/org/bonitasoft/studio/businessobject/i18n/Messages.java

@@ -314,6 +314,7 @@ public class Messages extends NLS {
     public static String addBusinessObjectDataWindowTitle;
     public static String editBusinessObjectDataWindowTitle;
     public static String defaultValueBusinessDataTooltip;
+    public static String cleaningBusinessObjects;
 
     private Messages() {
     }

bundles/plugins/org.bonitasoft.studio.businessobject/src/org/bonitasoft/studio/businessobject/ui/wizard/ManageBusinessDataModelWizard.java

@@ -107,30 +107,33 @@ public class ManageBusinessDataModelWizard extends Wizard {
         return false;
     }
 
+
     private boolean validateAndSaveBDM() {
         try {
             getContainer().run(true, false, new IRunnableWithProgress() {
 
                 @Override
                 public void run(final IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
-                    monitor.beginTask(Messages.validatingBDM, IProgressMonitor.UNKNOWN);
                     if (businessObjectModel.getBusinessObjects().isEmpty()) {
-                        throw new InvocationTargetException(new Exception(Messages.atLeastOneBusinessObjectShouldExists));
-                    }
-                    for (final BusinessObject bo : businessObjectModel.getBusinessObjects()) {
-                        if (bo.getFields().isEmpty()) {
-                            throw new InvocationTargetException(new Exception(Messages.bind(Messages.atLeastOneAttributeShouldExists,
-                                    NamingUtils.getSimpleName(bo.getQualifiedName()))));
-                        }
-                        for (final Index index : bo.getIndexes()) {
-                            validateIndex(index, bo);
-                        }
-                        for (final UniqueConstraint uc : bo.getUniqueConstraints()) {
-                            validateUniqueConstraint(uc, bo);
+                        fStore.delete();
+                    } else {
+                        monitor.beginTask(Messages.validatingBDM, IProgressMonitor.UNKNOWN);
+                        for (final BusinessObject bo : businessObjectModel.getBusinessObjects()) {
+                            if (bo.getFields().isEmpty()) {
+                                throw new InvocationTargetException(new Exception(Messages.bind(Messages.atLeastOneAttributeShouldExists,
+                                        NamingUtils.getSimpleName(bo.getQualifiedName()))));
+                            }
+                            for (final Index index : bo.getIndexes()) {
+                                validateIndex(index, bo);
+                            }
+                            for (final UniqueConstraint uc : bo.getUniqueConstraints()) {
+                                validateUniqueConstraint(uc, bo);
+                            }
                         }
+                        monitor.setTaskName(Messages.saving);
+                        fStore.save(businessObjectModel);
+                        monitor.done();
                     }
-                    monitor.beginTask(Messages.saving, IProgressMonitor.UNKNOWN);
-                    fStore.save(businessObjectModel);
                 }
             });
         } catch (final InvocationTargetException e) {
@@ -155,7 +158,7 @@ public class ManageBusinessDataModelWizard extends Wizard {
         } catch (final InvocationTargetException e) {
             new BonitaErrorDialog(Display.getDefault().getActiveShell(), Messages.installFailedTitle, Messages.installFailedMessage,
                     handleTargetExceptionStacktrace(e))
-                    .open();
+            .open();
             return false;
         } catch (final InterruptedException e) {
             return false;