Tal Nisan has uploaded a new change for review.

Change subject: core: Added a query to return the number of VMs in a cluster
......................................................................

core: Added a query to return the number of VMs in a cluster

Change-Id: I04b7bf0c6edf4e55d0e5d7ce5e7030ba974de5e2
Signed-off-by: Tal Nisan <[email protected]>
Related-To: https://bugzilla.redhat.com/913234
---
A 
backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/GetNumberOfVmsInVdsGroupByVdsGroupIdQuery.java
M 
backend/manager/modules/common/src/main/java/org/ovirt/engine/core/common/queries/VdcQueryType.java
M 
backend/manager/modules/dal/src/main/java/org/ovirt/engine/core/dao/VdsGroupDAO.java
M 
backend/manager/modules/dal/src/main/java/org/ovirt/engine/core/dao/VdsGroupDAODbFacadeImpl.java
M packaging/dbscripts/vds_groups_sp.sql
5 files changed, 40 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.ovirt.org:29418/ovirt-engine refs/changes/58/25858/1

diff --git 
a/backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/GetNumberOfVmsInVdsGroupByVdsGroupIdQuery.java
 
b/backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/GetNumberOfVmsInVdsGroupByVdsGroupIdQuery.java
new file mode 100644
index 0000000..d2acf87
--- /dev/null
+++ 
b/backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/GetNumberOfVmsInVdsGroupByVdsGroupIdQuery.java
@@ -0,0 +1,15 @@
+package org.ovirt.engine.core.bll;
+
+import org.ovirt.engine.core.common.queries.IdQueryParameters;
+
+public class GetNumberOfVmsInVdsGroupByVdsGroupIdQuery<P extends 
IdQueryParameters> extends QueriesCommandBase<P> {
+    public GetNumberOfVmsInVdsGroupByVdsGroupIdQuery(P parameters) {
+            super(parameters);
+    }
+
+    @Override
+    protected void executeQueryCommand() {
+        Integer numOfVms = 
getDbFacade().getVdsGroupDao().getVmsCountByClusterId(getParameters().getId());
+        getQueryReturnValue().setReturnValue(numOfVms);
+    }
+}
diff --git 
a/backend/manager/modules/common/src/main/java/org/ovirt/engine/core/common/queries/VdcQueryType.java
 
b/backend/manager/modules/common/src/main/java/org/ovirt/engine/core/common/queries/VdcQueryType.java
index eea2d8f..4872854 100644
--- 
a/backend/manager/modules/common/src/main/java/org/ovirt/engine/core/common/queries/VdcQueryType.java
+++ 
b/backend/manager/modules/common/src/main/java/org/ovirt/engine/core/common/queries/VdcQueryType.java
@@ -92,6 +92,7 @@
     GetVdsGroupByName(VdcQueryAuthType.User),
     GetVdsGroupsByStoragePoolId(VdcQueryAuthType.User),
     GetNumberOfActiveVmsInVdsGroupByVdsGroupId,
+    GetNumberOfVmsInVdsGroupByVdsGroupId,
 
     // Certificate
     GetCACertificate(VdcQueryAuthType.User),
diff --git 
a/backend/manager/modules/dal/src/main/java/org/ovirt/engine/core/dao/VdsGroupDAO.java
 
b/backend/manager/modules/dal/src/main/java/org/ovirt/engine/core/dao/VdsGroupDAO.java
index 8ccccec..fbf6e98 100644
--- 
a/backend/manager/modules/dal/src/main/java/org/ovirt/engine/core/dao/VdsGroupDAO.java
+++ 
b/backend/manager/modules/dal/src/main/java/org/ovirt/engine/core/dao/VdsGroupDAO.java
@@ -176,4 +176,11 @@
      * @return
      */
     List<VDSGroup> getClustersByClusterPolicyId(Guid clusterPolicyId);
+
+    /**
+     * Retrieves the number of the VMs in the cluster
+     * @param vdsGroupId
+     * @return
+     */
+    Integer getVmsCountByClusterId(Guid vdsGroupId);
 }
diff --git 
a/backend/manager/modules/dal/src/main/java/org/ovirt/engine/core/dao/VdsGroupDAODbFacadeImpl.java
 
b/backend/manager/modules/dal/src/main/java/org/ovirt/engine/core/dao/VdsGroupDAODbFacadeImpl.java
index 142d495..f060cf3 100644
--- 
a/backend/manager/modules/dal/src/main/java/org/ovirt/engine/core/dao/VdsGroupDAODbFacadeImpl.java
+++ 
b/backend/manager/modules/dal/src/main/java/org/ovirt/engine/core/dao/VdsGroupDAODbFacadeImpl.java
@@ -160,6 +160,14 @@
         getCallsHandler().executeModification("UpdateVdsGroupEmulatedMachine", 
parameterSource);
     }
 
+    @Override
+    public Integer getVmsCountByClusterId(Guid vdsGroupId) {
+        MapSqlParameterSource parameterSource = 
getCustomMapSqlParameterSource().addValue("vds_group_id", vdsGroupId);
+        return getCallsHandler().executeRead("GetNumberOfVmsInCluster",
+                getIntegerMapper(),
+                parameterSource);
+    }
+
     public List<VDSGroup> getTrustedClusters() {
         MapSqlParameterSource parameterSource = 
getCustomMapSqlParameterSource()
                 .addValue("trusted_service", true);
diff --git a/packaging/dbscripts/vds_groups_sp.sql 
b/packaging/dbscripts/vds_groups_sp.sql
index 2972664..4f6fe89 100644
--- a/packaging/dbscripts/vds_groups_sp.sql
+++ b/packaging/dbscripts/vds_groups_sp.sql
@@ -257,3 +257,12 @@
 LANGUAGE plpgsql;
 
 
+
+Create or replace FUNCTION GetNumberOfVmsInCluster(v_vds_group_id UUID) 
RETURNS SETOF BIGINT STABLE
+   AS $procedure$
+BEGIN
+      RETURN QUERY SELECT COUNT (vms.*)
+      FROM vm_static vms
+      WHERE vms.vds_group_id = v_vds_group_id AND vms.entity_type = 'VM';;
+END; $procedure$
+LANGUAGE plpgsql;


-- 
To view, visit http://gerrit.ovirt.org/25858
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I04b7bf0c6edf4e55d0e5d7ce5e7030ba974de5e2
Gerrit-PatchSet: 1
Gerrit-Project: ovirt-engine
Gerrit-Branch: master
Gerrit-Owner: Tal Nisan <[email protected]>
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